diff --git a/benchmarks/Main.hs b/benchmarks/Main.hs
new file mode 100644
index 0000000..8713db4
--- /dev/null
+++ b/benchmarks/Main.hs
@@ -0,0 +1,10 @@
+module Main where
+
+import Criterion.Main
+
+import qualified ParserBench
+
+main :: IO ()
+main = defaultMain
+  [ ParserBench.benchmarks
+  ]
diff --git a/benchmarks/ParserBench.hs b/benchmarks/ParserBench.hs
new file mode 100644
index 0000000..659778e
--- /dev/null
+++ b/benchmarks/ParserBench.hs
@@ -0,0 +1,20 @@
+module ParserBench (benchmarks) where
+
+import Nix.Parser
+
+import Control.Applicative
+import Criterion
+
+benchFile :: FilePath -> Benchmark
+benchFile = bench <*> whnfIO . parseNixFile . ("data/" ++)
+
+benchmarks :: Benchmark
+benchmarks = bgroup "Parser"
+  [ benchFile "nixpkgs-all-packages.nix"
+  , benchFile "nixpkgs-all-packages-pretty.nix"
+  , benchFile "let-comments.nix"
+  , benchFile "let-comments-multiline.nix"
+  , benchFile "let.nix"
+  , benchFile "simple.nix"
+  , benchFile "simple-pretty.nix"
+  ]
diff --git a/data/let-comments-multiline.nix b/data/let-comments-multiline.nix
new file mode 100644
index 0000000..1f54a41
--- /dev/null
+++ b/data/let-comments-multiline.nix
@@ -0,0 +1,13 @@
+let
+  b.a = 3; /*
+   this is a multiline comment
+   /* we can also nest these comments
+    */ /*
+   */
+  */
+  b.c = { e = {}; };
+  /* just some more comments
+   */
+  b.c.e.f = 4;
+/* this file is documented really well */
+in b /* todo */
\ No newline at end of file
diff --git a/data/let-comments.nix b/data/let-comments.nix
new file mode 100644
index 0000000..224aa9d
--- /dev/null
+++ b/data/let-comments.nix
@@ -0,0 +1,13 @@
+let
+  b.a = 3;
+   # this is a oneline comment
+   # we can also nest these comments
+    # #
+   #
+  #
+  b.c = { e = {}; };
+  # just some more comments
+   #
+  b.c.e.f = 4;
+# this file is documented really well
+in b # todo
\ No newline at end of file
diff --git a/data/let.nix b/data/let.nix
new file mode 100644
index 0000000..f319f85
--- /dev/null
+++ b/data/let.nix
@@ -0,0 +1,5 @@
+let
+  b.a = 3;
+  b.c = { e = {}; };
+  b.c.e.f = 4;
+in b
\ No newline at end of file
diff --git a/data/nixpkgs-all-packages-pretty.nix b/data/nixpkgs-all-packages-pretty.nix
new file mode 100644
index 0000000..e2b7f0c
--- /dev/null
+++ b/data/nixpkgs-all-packages-pretty.nix
@@ -0,0 +1,10835 @@
+{ bootStdenv ? null, config ? null, crossSystem ? null, gccWithCC ? true, gccWithProfiling ? true, noSysDirs ? system != "x86_64-darwin" && system != "x86_64-freebsd" && system != "i686-freebsd" && system != "x86_64-kfreebsd-gnu", platform ? null, system ? builtins.currentSystem }:
+let
+  config_ = config;
+  platform_ = platform;
+  in let
+    lib = import ../../lib;
+    config = let
+      toPath = builtins.toPath;
+      getEnv = x: if builtins ? getEnv
+        then builtins.getEnv x
+        else "";
+      pathExists = name:
+      builtins ? pathExists && builtins.pathExists (toPath name);
+      configFile = getEnv "NIXPKGS_CONFIG";
+      homeDir = getEnv "HOME";
+      configFile2 = homeDir + "/.nixpkgs/config.nix";
+      configExpr = if config_ != null
+        then config_
+        else if configFile != "" && pathExists configFile
+          then import (toPath configFile)
+          else if homeDir != "" && pathExists configFile2
+            then import (toPath configFile2)
+            else { };
+      in if builtins.isFunction configExpr
+        then configExpr {
+          inherit pkgs;
+        }
+        else configExpr;
+    platformAuto = let
+      platforms = import ./platforms.nix;
+      in if system == "armv6l-linux"
+        then platforms.raspberrypi
+        else if system == "armv5tel-linux"
+          then platforms.sheevaplug
+          else if system == "mips64el-linux"
+            then platforms.fuloong2f_n32
+            else if system == "x86_64-linux"
+              then platforms.pc64
+              else if system == "i686-linux"
+                then platforms.pc32
+                else platforms.pcBase;
+    platform = if platform_ != null
+      then platform_
+      else config.platform or platformAuto;
+    helperFunctions = stdenvAdapters // import ../build-support/trivial-builders.nix {
+      inherit (pkgs) stdenv;
+      inherit (pkgs.xorg) lndir;
+    };
+    stdenvAdapters = import ../stdenv/adapters.nix pkgs;
+    pkgs = applyGlobalOverrides (config.packageOverrides or pkgs:
+    { });
+    applyGlobalOverrides = overrider:
+    let
+      overrides = overrider pkgsOrig // lib.optionalAttrs (pkgsOrig.stdenv ? overrides && crossSystem == null) (pkgsOrig.stdenv.overrides pkgsOrig);
+      pkgsOrig = pkgsFun pkgs { };
+      pkgs = pkgsFun pkgs overrides;
+      in pkgs;
+    pkgsFun = pkgs: overrides:
+    with helperFunctions; let
+      defaultScope = pkgs // pkgs.xorg;
+      self = self_ // overrides;
+      self_ = with self; helperFunctions // {
+        inherit system platform;
+        inherit pkgs;
+        callPackage = newScope { };
+        newScope = extra:
+        lib.callPackageWith (defaultScope // extra);
+        forceSystem = system: kernel:
+        import ./all-packages.nix {
+          inherit system;
+          platform = platform // {
+            kernelArch = kernel;
+          };
+          inherit bootStdenv noSysDirs
+          gccWithCC gccWithProfiling
+          config crossSystem;
+        };
+        pkgsi686Linux = forceSystem "i686-linux" "i386";
+        callPackage_i686 = lib.callPackageWith (pkgsi686Linux // pkgsi686Linux.xorg);
+        path = ../..;
+        x11 = xlibsWrapper;
+        xlibs = xorg // {
+          xlibs = xlibsWrapper;
+        };
+        inherit lib config
+        stdenvAdapters;
+        inherit (lib) lowPrio hiPrio
+        appendToName makeOverridable;
+        inherit (misc) versionedDerivation;
+        recurseIntoAttrs = attrs:
+        attrs // {
+          recurseForDerivations = true;
+        };
+        builderDefs = lib.composedArgsAndFun (import ../build-support/builder-defs/builder-defs.nix) {
+          inherit stringsWithDeps lib
+          stdenv writeScript fetchurl
+          fetchmtn fetchgit;
+        };
+        builderDefsPackage = builderDefs.builderDefsPackage builderDefs;
+        stringsWithDeps = lib.stringsWithDeps;
+        nix-generate-from-cpan = callPackage ../../maintainers/scripts/nix-generate-from-cpan.nix {
+        };
+        nixpkgs-lint = callPackage ../../maintainers/scripts/nixpkgs-lint.nix {
+        };
+        allStdenvs = import ../stdenv {
+          inherit system platform config;
+          allPackages = args:
+          import ./all-packages.nix ({
+            inherit config system;
+          } // args);
+        };
+        defaultStdenv = allStdenvs.stdenv // {
+          inherit platform;
+        };
+        stdenvCross = lowPrio (makeStdenvCross defaultStdenv crossSystem binutilsCross gccCrossStageFinal);
+        stdenv = if bootStdenv != null
+          then bootStdenv // {
+            inherit platform;
+          }
+          else if crossSystem != null
+            then stdenvCross
+            else let
+              changer = config.replaceStdenv or null;
+              in if changer != null
+                then changer {
+                  pkgs = import ./all-packages.nix {
+                    config = removeAttrs config [
+                      "replaceStdenv"
+                    ];
+                  };
+                }
+                else defaultStdenv;
+        stdenvApple = stdenvAdapters.overrideGCC allStdenvs.stdenvNative gccApple;
+        forceNativeDrv = drv:
+        if crossSystem == null
+          then drv
+          else drv // {
+            crossDrv = drv.nativeDrv;
+          };
+        stdenv_32bit = lowPrio (if system == "x86_64-linux"
+          then overrideGCC stdenv gcc48_multi
+          else stdenv);
+        attrSetToDir = arg:
+        import ../build-support/upstream-updater/attrset-to-dir.nix {
+          inherit writeTextFile stdenv
+          lib;
+          theAttrSet = arg;
+        };
+        autoreconfHook = makeSetupHook {
+          substitutions = {
+            inherit autoconf automake
+            libtool;
+          };
+        } ../build-support/setup-hooks/autoreconf.sh;
+        buildEnv = import ../build-support/buildenv {
+          inherit (pkgs) runCommand perl;
+        };
+        buildFHSChrootEnv = import ../build-support/build-fhs-chrootenv {
+          inherit stdenv glibc
+          glibcLocales gcc coreutils
+          diffutils findutils;
+          inherit gnused gnugrep gnutar
+          gzip bzip2 bashInteractive xz
+          shadow gawk;
+          inherit less buildEnv;
+        };
+        dotnetenv = import ../build-support/dotnetenv {
+          inherit stdenv;
+          dotnetfx = dotnetfx40;
+        };
+        scatterOutputHook = makeSetupHook {
+        } ../build-support/setup-hooks/scatter_output.sh;
+        vsenv = callPackage ../build-support/vsenv {
+          vs = vs90wrapper;
+        };
+        fetchbower = import ../build-support/fetchbower {
+          inherit stdenv git;
+          inherit (nodePackages) fetch-bower;
+        };
+        fetchbzr = import ../build-support/fetchbzr {
+          inherit stdenv bazaar;
+        };
+        fetchcvs = import ../build-support/fetchcvs {
+          inherit stdenv cvs;
+        };
+        fetchdarcs = import ../build-support/fetchdarcs {
+          inherit stdenv darcs nix;
+        };
+        fetchgit = import ../build-support/fetchgit {
+          inherit stdenv git cacert;
+        };
+        fetchgitPrivate = import ../build-support/fetchgit/private.nix {
+          inherit fetchgit writeScript
+          openssh stdenv;
+        };
+        fetchgitrevision = import ../build-support/fetchgitrevision runCommand git;
+        fetchmtn = callPackage ../build-support/fetchmtn (config.fetchmtn or {
+        });
+        packer = callPackage ../development/tools/packer {
+        };
+        fetchpatch = callPackage ../build-support/fetchpatch {
+        };
+        fetchsvn = import ../build-support/fetchsvn {
+          inherit stdenv subversion
+          openssh;
+          sshSupport = true;
+        };
+        fetchsvnrevision = import ../build-support/fetchsvnrevision runCommand subversion;
+        fetchsvnssh = import ../build-support/fetchsvnssh {
+          inherit stdenv subversion
+          openssh expect;
+          sshSupport = true;
+        };
+        fetchhg = import ../build-support/fetchhg {
+          inherit stdenv mercurial nix;
+        };
+        fetchurl = import ../build-support/fetchurl {
+          inherit curl stdenv;
+        };
+        fetchurlGnome = callPackage ../build-support/fetchurl/gnome.nix {
+        };
+        fetchurlBoot = stdenv.fetchurlBoot;
+        fetchzip = import ../build-support/fetchzip {
+          inherit lib fetchurl unzip;
+        };
+        fetchFromGitHub = { owner, repo, rev, sha256 }:
+        fetchzip {
+          name = "${repo}-${rev}-src";
+          url = "https://github.com/${owner}/${repo}/archive/${rev}.tar.gz";
+          inherit sha256;
+        };
+        resolveMirrorURLs = { url }:
+        fetchurl {
+          showURLs = true;
+          inherit url;
+        };
+        libredirect = callPackage ../build-support/libredirect {
+        };
+        makeDesktopItem = import ../build-support/make-desktopitem {
+          inherit stdenv;
+        };
+        makeAutostartItem = import ../build-support/make-startupitem {
+          inherit stdenv;
+          inherit lib;
+        };
+        makeInitrd = { compressor ? "gzip -9", contents }:
+        import ../build-support/kernel/make-initrd.nix {
+          inherit stdenv perl
+          perlArchiveCpio cpio contents
+          ubootChooser compressor;
+        };
+        makeWrapper = makeSetupHook {
+        } ../build-support/setup-hooks/make-wrapper.sh;
+        makeModulesClosure = { allowMissing ? false, kernel, rootModules }:
+        import ../build-support/kernel/modules-closure.nix {
+          inherit stdenv kmod kernel
+          nukeReferences rootModules
+          allowMissing;
+        };
+        pathsFromGraph = ../build-support/kernel/paths-from-graph.pl;
+        srcOnly = args:
+        import ../build-support/src-only ({
+          inherit stdenv;
+        } // args);
+        substituteAll = import ../build-support/substitute/substitute-all.nix {
+          inherit stdenv;
+        };
+        replaceDependency = import ../build-support/replace-dependency.nix {
+          inherit runCommand nix lib;
+        };
+        nukeReferences = callPackage ../build-support/nuke-references/default.nix {
+        };
+        vmTools = import ../build-support/vm/default.nix {
+          inherit pkgs;
+        };
+        releaseTools = import ../build-support/release/default.nix {
+          inherit pkgs;
+        };
+        composableDerivation = import ../../lib/composable-derivation.nix {
+          inherit pkgs lib;
+        };
+        platforms = import ./platforms.nix;
+        setJavaClassPath = makeSetupHook {
+        } ../build-support/setup-hooks/set-java-classpath.sh;
+        fixDarwinDylibNames = makeSetupHook {
+        } ../build-support/setup-hooks/fix-darwin-dylib-names.sh;
+        keepBuildTree = makeSetupHook {
+        } ../build-support/setup-hooks/keep-build-tree.sh;
+        enableGCOVInstrumentation = makeSetupHook {
+        } ../build-support/setup-hooks/enable-coverage-instrumentation.sh;
+        makeGCOVReport = makeSetupHook {
+          deps = [
+            pkgs.lcov
+            pkgs.enableGCOVInstrumentation
+          ];
+        } ../build-support/setup-hooks/make-coverage-analysis-report.sh;
+        abduco = callPackage ../tools/misc/abduco {
+        };
+        acct = callPackage ../tools/system/acct {
+        };
+        acoustidFingerprinter = callPackage ../tools/audio/acoustid-fingerprinter {
+          ffmpeg = ffmpeg_1;
+        };
+        actdiag = pythonPackages.actdiag;
+        adom = callPackage ../games/adom {
+        };
+        aefs = callPackage ../tools/filesystems/aefs {
+        };
+        aegisub = callPackage ../applications/video/aegisub {
+          wxGTK = wxGTK30;
+          lua = lua5_1;
+        };
+        aespipe = callPackage ../tools/security/aespipe {
+        };
+        aescrypt = callPackage ../tools/misc/aescrypt {
+        };
+        ahcpd = callPackage ../tools/networking/ahcpd {
+        };
+        aircrackng = callPackage ../tools/networking/aircrack-ng {
+        };
+        analog = callPackage ../tools/admin/analog {
+        };
+        apktool = callPackage ../development/tools/apktool {
+          buildTools = androidenv.buildTools;
+        };
+        apt-offline = callPackage ../tools/misc/apt-offline {
+        };
+        archivemount = callPackage ../tools/filesystems/archivemount {
+        };
+        arandr = callPackage ../tools/X11/arandr {
+        };
+        arcanist = callPackage ../development/tools/misc/arcanist {
+        };
+        arduino_core = callPackage ../development/arduino/arduino-core {
+          jdk = jdk;
+          jre = jdk;
+        };
+        argyllcms = callPackage ../tools/graphics/argyllcms {
+        };
+        arp-scan = callPackage ../tools/misc/arp-scan {
+        };
+        ascii = callPackage ../tools/text/ascii {
+        };
+        asymptote = builderDefsPackage ../tools/graphics/asymptote {
+          inherit freeglut ghostscriptX
+          imagemagick fftw boehmgc mesa
+          ncurses readline gsl libsigsegv
+          python zlib perl texinfo xz;
+          texLive = texLiveAggregationFun {
+            paths = [
+              texLive
+              texLiveExtra
+              texLiveCMSuper
+            ];
+          };
+        };
+        awscli = callPackage ../tools/admin/awscli {
+        };
+        ec2_api_tools = callPackage ../tools/virtualization/ec2-api-tools {
+        };
+        ec2_ami_tools = callPackage ../tools/virtualization/ec2-ami-tools {
+        };
+        altermime = callPackage ../tools/networking/altermime {
+        };
+        amule = callPackage ../tools/networking/p2p/amule {
+        };
+        amuleDaemon = appendToName "daemon" (amule.override {
+          monolithic = false;
+          daemon = true;
+        });
+        amuleGui = appendToName "gui" (amule.override {
+          monolithic = false;
+          client = true;
+        });
+        androidenv = import ../development/mobile/androidenv {
+          inherit pkgs;
+          pkgs_i686 = pkgsi686Linux;
+        };
+        apg = callPackage ../tools/security/apg {
+        };
+        grc = callPackage ../tools/misc/grc {
+        };
+        otool = callPackage ../os-specific/darwin/otool {
+        };
+        pass = callPackage ../tools/security/pass {
+          gnupg = gnupg1compat;
+        };
+        setfile = callPackage ../os-specific/darwin/setfile {
+        };
+        install_name_tool = callPackage ../os-specific/darwin/install_name_tool {
+        };
+        xcodeenv = callPackage ../development/mobile/xcodeenv {
+        };
+        titaniumenv = callPackage ../development/mobile/titaniumenv {
+          inherit pkgs;
+          pkgs_i686 = pkgsi686Linux;
+        };
+        inherit (androidenv) androidsdk_4_1;
+        aria2 = callPackage ../tools/networking/aria2 {
+        };
+        aria = aria2;
+        at = callPackage ../tools/system/at {
+        };
+        atftp = callPackage ../tools/networking/atftp {
+        };
+        autogen = callPackage ../development/tools/misc/autogen {
+        };
+        autojump = callPackage ../tools/misc/autojump {
+        };
+        autorandr = callPackage ../tools/misc/autorandr {
+          inherit (xorg) xrandr xdpyinfo;
+        };
+        avahi = callPackage ../development/libraries/avahi {
+          qt4Support = config.avahi.qt4Support or false;
+        };
+        aws = callPackage ../tools/virtualization/aws {
+        };
+        aws_mturk_clt = callPackage ../tools/misc/aws-mturk-clt {
+        };
+        axel = callPackage ../tools/networking/axel {
+        };
+        azureus = callPackage ../tools/networking/p2p/azureus {
+        };
+        basex = callPackage ../tools/text/xml/basex {
+        };
+        babeld = callPackage ../tools/networking/babeld {
+        };
+        badvpn = callPackage ../tools/networking/badvpn {
+        };
+        banner = callPackage ../games/banner {
+        };
+        barcode = callPackage ../tools/graphics/barcode {
+        };
+        bc = callPackage ../tools/misc/bc {
+        };
+        bcache-tools = callPackage ../tools/filesystems/bcache-tools {
+        };
+        bchunk = callPackage ../tools/cd-dvd/bchunk {
+        };
+        bfr = callPackage ../tools/misc/bfr {
+        };
+        bindfs = callPackage ../tools/filesystems/bindfs {
+        };
+        bitbucket-cli = pythonPackages.bitbucket-cli;
+        blockdiag = pythonPackages.blockdiag;
+        bmon = callPackage ../tools/misc/bmon {
+        };
+        bochs = callPackage ../applications/virtualization/bochs {
+          wxSupport = false;
+        };
+        boomerang = callPackage ../development/tools/boomerang {
+        };
+        bootchart = callPackage ../tools/system/bootchart {
+        };
+        bro = callPackage ../applications/networking/ids/bro {
+        };
+        bsod = callPackage ../misc/emulators/bsod {
+        };
+        btrfsProgs = callPackage ../tools/filesystems/btrfsprogs {
+        };
+        bwm_ng = callPackage ../tools/networking/bwm-ng {
+        };
+        byobu = callPackage ../tools/misc/byobu {
+        };
+        capstone = callPackage ../development/libraries/capstone {
+        };
+        catdoc = callPackage ../tools/text/catdoc {
+        };
+        ccnet = callPackage ../tools/networking/ccnet {
+        };
+        consul = callPackage ../servers/consul {
+        };
+        consul_ui = callPackage ../servers/consul/ui.nix {
+        };
+        chntpw = callPackage ../tools/security/chntpw {
+        };
+        coprthr = callPackage ../development/libraries/coprthr {
+          flex = flex_2_5_35;
+        };
+        crawl = callPackage ../games/crawl {
+          lua = lua5;
+        };
+        cv = callPackage ../tools/misc/cv {
+        };
+        direnv = callPackage ../tools/misc/direnv {
+        };
+        ditaa = callPackage ../tools/graphics/ditaa {
+        };
+        dlx = callPackage ../misc/emulators/dlx {
+        };
+        eggdrop = callPackage ../tools/networking/eggdrop {
+        };
+        enca = callPackage ../tools/text/enca {
+        };
+        fasd = callPackage ../tools/misc/fasd {
+          inherit (haskellPackages) pandoc;
+        };
+        fop = callPackage ../tools/typesetting/fop {
+        };
+        mcrl = callPackage ../tools/misc/mcrl {
+        };
+        mcrl2 = callPackage ../tools/misc/mcrl2 {
+        };
+        mpdcron = callPackage ../tools/audio/mpdcron {
+        };
+        syslogng = callPackage ../tools/system/syslog-ng {
+        };
+        syslogng_incubator = callPackage ../tools/system/syslog-ng-incubator {
+        };
+        rsyslog = callPackage ../tools/system/rsyslog {
+        };
+        mcrypt = callPackage ../tools/misc/mcrypt {
+        };
+        mcelog = callPackage ../os-specific/linux/mcelog {
+        };
+        apparix = callPackage ../tools/misc/apparix {
+        };
+        appdata-tools = callPackage ../tools/misc/appdata-tools {
+        };
+        asciidoc = callPackage ../tools/typesetting/asciidoc {
+          inherit (pythonPackages) matplotlib
+          numpy aafigure
+          recursivePthLoader;
+          enableStandardFeatures = false;
+        };
+        asciidoc-full = appendToName "full" (asciidoc.override {
+          inherit (pythonPackages) pygments;
+          enableStandardFeatures = true;
+        });
+        autossh = callPackage ../tools/networking/autossh {
+        };
+        bacula = callPackage ../tools/backup/bacula {
+        };
+        beanstalkd = callPackage ../servers/beanstalkd {
+        };
+        bgs = callPackage ../tools/X11/bgs {
+        };
+        biber = callPackage ../tools/typesetting/biber {
+          inherit (perlPackages) autovivification
+          BusinessISBN BusinessISMN
+          BusinessISSN ConfigAutoConf
+          DataCompare DataDump DateSimple
+          EncodeEUCJPASCII EncodeHanExtra
+          EncodeJIS2K ExtUtilsLibBuilder
+          FileSlurp IPCRun3 Log4Perl
+          LWPProtocolHttps ListAllUtils
+          ListMoreUtils ModuleBuild
+          MozillaCA ReadonlyXS
+          RegexpCommon TextBibTeX
+          UnicodeCollate UnicodeLineBreak
+          URI XMLLibXMLSimple XMLLibXSLT
+          XMLWriter;
+        };
+        bibtextools = callPackage ../tools/typesetting/bibtex-tools {
+          inherit (strategoPackages016) strategoxt
+          sdf;
+        };
+        bittorrent = callPackage ../tools/networking/p2p/bittorrent {
+          gui = true;
+        };
+        bittornado = callPackage ../tools/networking/p2p/bit-tornado {
+        };
+        blueman = callPackage ../tools/bluetooth/blueman {
+          inherit (pythonPackages) notify;
+        };
+        bmrsa = builderDefsPackage (import ../tools/security/bmrsa/11.nix) {
+          inherit unzip;
+        };
+        bogofilter = callPackage ../tools/misc/bogofilter {
+        };
+        bsdiff = callPackage ../tools/compression/bsdiff {
+        };
+        btar = callPackage ../tools/backup/btar {
+        };
+        bud = callPackage ../tools/networking/bud {
+          inherit (pythonPackages) gyp;
+        };
+        bup = callPackage ../tools/backup/bup {
+          inherit (pythonPackages) pyxattr
+          pylibacl setuptools fuse;
+          inherit (haskellPackages) pandoc;
+          par2Support = config.bup.par2Support or false;
+        };
+        ori = callPackage ../tools/backup/ori {
+        };
+        atool = callPackage ../tools/archivers/atool {
+        };
+        bzip2 = callPackage ../tools/compression/bzip2 {
+        };
+        cabextract = callPackage ../tools/archivers/cabextract {
+        };
+        cadaver = callPackage ../tools/networking/cadaver {
+        };
+        cantata = callPackage ../applications/audio/cantata {
+        };
+        can-utils = callPackage ../os-specific/linux/can-utils {
+        };
+        ccid = callPackage ../tools/security/ccid {
+        };
+        ccrypt = callPackage ../tools/security/ccrypt {
+        };
+        cdecl = callPackage ../development/tools/cdecl {
+        };
+        cdrdao = callPackage ../tools/cd-dvd/cdrdao {
+        };
+        cdrkit = callPackage ../tools/cd-dvd/cdrkit {
+        };
+        ceph = callPackage ../tools/filesystems/ceph {
+        };
+        cfdg = builderDefsPackage ../tools/graphics/cfdg {
+          inherit libpng bison flex
+          ffmpeg;
+        };
+        checkinstall = callPackage ../tools/package-management/checkinstall {
+        };
+        cheetahTemplate = builderDefsPackage (import ../tools/text/cheetah-template/2.0.1.nix) {
+          inherit makeWrapper python;
+        };
+        chkrootkit = callPackage ../tools/security/chkrootkit {
+        };
+        chrony = callPackage ../tools/networking/chrony {
+        };
+        chunkfs = callPackage ../tools/filesystems/chunkfs {
+        };
+        chunksync = callPackage ../tools/backup/chunksync {
+        };
+        cjdns = callPackage ../tools/networking/cjdns {
+        };
+        cksfv = callPackage ../tools/networking/cksfv {
+        };
+        clementine = callPackage ../applications/audio/clementine {
+        };
+        ciopfs = callPackage ../tools/filesystems/ciopfs {
+        };
+        colord = callPackage ../tools/misc/colord {
+        };
+        colord-gtk = callPackage ../tools/misc/colord-gtk {
+        };
+        colordiff = callPackage ../tools/text/colordiff {
+        };
+        concurrencykit = callPackage ../development/libraries/concurrencykit {
+        };
+        connect = callPackage ../tools/networking/connect {
+        };
+        conspy = callPackage ../os-specific/linux/conspy {
+        };
+        connman = callPackage ../tools/networking/connman {
+        };
+        connmanui = callPackage ../tools/networking/connmanui {
+        };
+        convertlit = callPackage ../tools/text/convertlit {
+        };
+        collectd = callPackage ../tools/system/collectd {
+        };
+        colormake = callPackage ../development/tools/build-managers/colormake {
+        };
+        cowsay = callPackage ../tools/misc/cowsay {
+        };
+        cpuminer = callPackage ../tools/misc/cpuminer {
+        };
+        cuetools = callPackage ../tools/cd-dvd/cuetools {
+        };
+        unifdef = callPackage ../development/tools/misc/unifdef {
+        };
+        "unionfs-fuse" = callPackage ../tools/filesystems/unionfs-fuse {
+        };
+        usb_modeswitch = callPackage ../development/tools/misc/usb-modeswitch {
+        };
+        biosdevname = callPackage ../tools/networking/biosdevname {
+        };
+        clamav = callPackage ../tools/security/clamav {
+        };
+        cloc = callPackage ../tools/misc/cloc {
+          inherit (perlPackages) perl
+          AlgorithmDiff RegexpCommon;
+        };
+        cloog = callPackage ../development/libraries/cloog {
+        };
+        cloogppl = callPackage ../development/libraries/cloog-ppl {
+        };
+        convmv = callPackage ../tools/misc/convmv {
+        };
+        cool-old-term = callPackage ../applications/misc/cool-old-term {
+        };
+        coreutils = callPackage ../tools/misc/coreutils {
+          aclSupport = crossSystem == null && stdenv.isLinux;
+        };
+        cpio = callPackage ../tools/archivers/cpio {
+        };
+        cromfs = callPackage ../tools/archivers/cromfs {
+        };
+        cron = callPackage ../tools/system/cron {
+        };
+        cudatoolkit5 = callPackage ../development/compilers/cudatoolkit/5.5.nix {
+          python = python26;
+        };
+        cudatoolkit6 = callPackage ../development/compilers/cudatoolkit/6.0.nix {
+          python = python26;
+        };
+        cudatoolkit = cudatoolkit5;
+        curl = callPackage ../tools/networking/curl rec {
+          fetchurl = fetchurlBoot;
+          zlibSupport = true;
+          sslSupport = zlibSupport;
+          scpSupport = zlibSupport && !stdenv.isSunOS && !stdenv.isCygwin;
+        };
+        curl3 = callPackage ../tools/networking/curl/7.15.nix rec {
+          zlibSupport = true;
+          sslSupport = zlibSupport;
+        };
+        cunit = callPackage ../tools/misc/cunit {
+        };
+        curlftpfs = callPackage ../tools/filesystems/curlftpfs {
+        };
+        cutter = callPackage ../tools/networking/cutter {
+        };
+        dadadodo = builderDefsPackage (import ../tools/text/dadadodo) {
+        };
+        daq = callPackage ../applications/networking/ids/daq {
+        };
+        dar = callPackage ../tools/archivers/dar {
+        };
+        davfs2 = callPackage ../tools/filesystems/davfs2 {
+        };
+        dbench = callPackage ../development/tools/misc/dbench {
+        };
+        dcraw = callPackage ../tools/graphics/dcraw {
+        };
+        debian_devscripts = callPackage ../tools/misc/debian-devscripts {
+          inherit (perlPackages) CryptSSLeay
+          LWP TimeDate DBFile
+          FileDesktopEntry;
+        };
+        debootstrap = callPackage ../tools/misc/debootstrap {
+        };
+        detox = callPackage ../tools/misc/detox {
+        };
+        ddclient = callPackage ../tools/networking/ddclient {
+        };
+        dd_rescue = callPackage ../tools/system/dd_rescue {
+        };
+        ddrescue = callPackage ../tools/system/ddrescue {
+        };
+        deluge = pythonPackages.deluge;
+        desktop_file_utils = callPackage ../tools/misc/desktop-file-utils {
+        };
+        despotify = callPackage ../development/libraries/despotify {
+        };
+        dev86 = callPackage ../development/compilers/dev86 {
+        };
+        dnsmasq = callPackage ../tools/networking/dnsmasq {
+        };
+        dnstop = callPackage ../tools/networking/dnstop {
+        };
+        dhcp = callPackage ../tools/networking/dhcp {
+        };
+        dhcpcd = callPackage ../tools/networking/dhcpcd {
+        };
+        diffstat = callPackage ../tools/text/diffstat {
+        };
+        diffutils = callPackage ../tools/text/diffutils {
+        };
+        wgetpaste = callPackage ../tools/text/wgetpaste {
+        };
+        dirmngr = callPackage ../tools/security/dirmngr {
+        };
+        disper = callPackage ../tools/misc/disper {
+        };
+        dmd = callPackage ../development/compilers/dmd {
+        };
+        dmg2img = callPackage ../tools/misc/dmg2img {
+        };
+        docbook2odf = callPackage ../tools/typesetting/docbook2odf {
+          inherit (perlPackages) PerlMagick;
+        };
+        docbook2x = callPackage ../tools/typesetting/docbook2x {
+          inherit (perlPackages) XMLSAX
+          XMLParser XMLNamespaceSupport;
+        };
+        dosfstools = callPackage ../tools/filesystems/dosfstools {
+        };
+        dotnetfx35 = callPackage ../development/libraries/dotnetfx35 {
+        };
+        dotnetfx40 = callPackage ../development/libraries/dotnetfx40 {
+        };
+        dropbear = callPackage ../tools/networking/dropbear {
+        };
+        dtach = callPackage ../tools/misc/dtach {
+        };
+        duo-unix = callPackage ../tools/security/duo-unix {
+        };
+        duplicity = callPackage ../tools/backup/duplicity {
+          inherit (pythonPackages) boto
+          lockfile;
+          gnupg = gnupg1;
+        };
+        duply = callPackage ../tools/backup/duply {
+        };
+        dvdplusrwtools = callPackage ../tools/cd-dvd/dvd+rw-tools {
+        };
+        dvgrab = callPackage ../tools/video/dvgrab {
+        };
+        dvtm = callPackage ../tools/misc/dvtm {
+        };
+        e2fsprogs = callPackage ../tools/filesystems/e2fsprogs {
+        };
+        easyrsa = callPackage ../tools/networking/easyrsa {
+        };
+        ebook_tools = callPackage ../tools/text/ebook-tools {
+        };
+        ecryptfs = callPackage ../tools/security/ecryptfs {
+        };
+        editres = callPackage ../tools/graphics/editres {
+          inherit (xlibs) libXt libXaw;
+          inherit (xorg) utilmacros;
+        };
+        edk2 = callPackage ../development/compilers/edk2 {
+        };
+        efibootmgr = callPackage ../tools/system/efibootmgr {
+        };
+        efivar = callPackage ../tools/system/efivar {
+        };
+        evemu = callPackage ../tools/system/evemu {
+        };
+        elasticsearch = callPackage ../servers/search/elasticsearch {
+        };
+        elasticsearchPlugins = recurseIntoAttrs (callPackage ../servers/search/elasticsearch/plugins.nix {
+        });
+        emv = callPackage ../tools/misc/emv {
+        };
+        enblendenfuse = callPackage ../tools/graphics/enblend-enfuse {
+        };
+        encfs = callPackage ../tools/filesystems/encfs {
+        };
+        enscript = callPackage ../tools/text/enscript {
+        };
+        ethtool = callPackage ../tools/misc/ethtool {
+        };
+        ettercap = callPackage ../applications/networking/sniffers/ettercap {
+        };
+        euca2ools = callPackage ../tools/virtualization/euca2ools {
+          pythonPackages = python26Packages;
+        };
+        evtest = callPackage ../applications/misc/evtest {
+        };
+        exempi = callPackage ../development/libraries/exempi {
+        };
+        execline = callPackage ../tools/misc/execline {
+        };
+        exercism = callPackage ../development/tools/exercism {
+        };
+        exif = callPackage ../tools/graphics/exif {
+        };
+        exiftags = callPackage ../tools/graphics/exiftags {
+        };
+        extundelete = callPackage ../tools/filesystems/extundelete {
+        };
+        expect = callPackage ../tools/misc/expect {
+        };
+        f2fs-tools = callPackage ../tools/filesystems/f2fs-tools {
+        };
+        fabric = pythonPackages.fabric;
+        fail2ban = callPackage ../tools/security/fail2ban {
+          systemd = systemd.override {
+            pythonSupport = true;
+          };
+        };
+        fakeroot = callPackage ../tools/system/fakeroot {
+        };
+        fakechroot = callPackage ../tools/system/fakechroot {
+        };
+        fcitx = callPackage ../tools/inputmethods/fcitx {
+        };
+        fcron = callPackage ../tools/system/fcron {
+        };
+        fdm = callPackage ../tools/networking/fdm {
+        };
+        figlet = callPackage ../tools/misc/figlet {
+        };
+        file = callPackage ../tools/misc/file {
+        };
+        filegive = callPackage ../tools/networking/filegive {
+        };
+        fileschanged = callPackage ../tools/misc/fileschanged {
+        };
+        findutils = callPackage ../tools/misc/findutils {
+        };
+        finger_bsd = callPackage ../tools/networking/bsd-finger {
+        };
+        fio = callPackage ../tools/system/fio {
+        };
+        flashtool = callPackage_i686 ../development/mobile/flashtool {
+          platformTools = androidenv.platformTools;
+        };
+        flpsed = callPackage ../applications/editors/flpsed {
+        };
+        flvstreamer = callPackage ../tools/networking/flvstreamer {
+        };
+        libbsd = callPackage ../development/libraries/libbsd {
+        };
+        lprof = callPackage ../tools/graphics/lprof {
+        };
+        fdk_aac = callPackage ../development/libraries/fdk-aac {
+        };
+        flvtool2 = callPackage ../tools/video/flvtool2 {
+        };
+        fontforge = lowPrio (callPackage ../tools/misc/fontforge {
+        });
+        fontforgeX = callPackage ../tools/misc/fontforge {
+          withX11 = true;
+        };
+        forktty = callPackage ../os-specific/linux/forktty {
+        };
+        fortune = callPackage ../tools/misc/fortune {
+        };
+        fox = callPackage ../development/libraries/fox/default.nix {
+          libpng = libpng12;
+        };
+        fox_1_6 = callPackage ../development/libraries/fox/fox-1.6.nix {
+        };
+        fping = callPackage ../tools/networking/fping {
+        };
+        fprot = callPackage ../tools/security/fprot {
+        };
+        freeipmi = callPackage ../tools/system/freeipmi {
+        };
+        freetalk = callPackage ../applications/networking/instant-messengers/freetalk {
+          guile = guile_1_8;
+        };
+        freetds = callPackage ../development/libraries/freetds {
+        };
+        ftgl = callPackage ../development/libraries/ftgl {
+        };
+        ftgl212 = callPackage ../development/libraries/ftgl/2.1.2.nix {
+        };
+        fuppes = callPackage ../tools/networking/fuppes {
+          ffmpeg = ffmpeg_0_6_90;
+        };
+        fsfs = callPackage ../tools/filesystems/fsfs {
+        };
+        fuse_zip = callPackage ../tools/filesystems/fuse-zip {
+        };
+        fuse_exfat = callPackage ../tools/filesystems/fuse-exfat {
+        };
+        dos2unix = callPackage ../tools/text/dos2unix {
+        };
+        uni2ascii = callPackage ../tools/text/uni2ascii {
+        };
+        g500-control = callPackage ../tools/misc/g500-control {
+        };
+        galculator = callPackage ../applications/misc/galculator {
+          gtk = gtk3;
+        };
+        gawk = callPackage ../tools/text/gawk {
+        };
+        gawkInteractive = appendToName "interactive" (gawk.override {
+          readlineSupport = true;
+        });
+        gbdfed = callPackage ../tools/misc/gbdfed {
+          gtk = gtk2;
+        };
+        gdmap = callPackage ../tools/system/gdmap {
+        };
+        genext2fs = callPackage ../tools/filesystems/genext2fs {
+        };
+        gengetopt = callPackage ../development/tools/misc/gengetopt {
+        };
+        getmail = callPackage ../tools/networking/getmail {
+        };
+        getopt = callPackage ../tools/misc/getopt {
+        };
+        gftp = callPackage ../tools/networking/gftp {
+        };
+        gifsicle = callPackage ../tools/graphics/gifsicle {
+        };
+        glusterfs = callPackage ../tools/filesystems/glusterfs {
+        };
+        glmark2 = callPackage ../tools/graphics/glmark2 {
+        };
+        glxinfo = callPackage ../tools/graphics/glxinfo {
+        };
+        gmvault = callPackage ../tools/networking/gmvault {
+        };
+        gnokii = builderDefsPackage (import ../tools/misc/gnokii) {
+          inherit intltool perl gettext
+          libusb pkgconfig bluez readline
+          pcsclite libical gtk glib;
+          inherit (xorg) libXpm;
+        };
+        gnufdisk = callPackage ../tools/system/fdisk {
+          guile = guile_1_8;
+        };
+        gnugrep = callPackage ../tools/text/gnugrep {
+          libiconv = libiconvOrNull;
+        };
+        gnulib = callPackage ../development/tools/gnulib {
+        };
+        gnupatch = callPackage ../tools/text/gnupatch {
+        };
+        gnupg1orig = callPackage ../tools/security/gnupg1 {
+        };
+        gnupg1compat = callPackage ../tools/security/gnupg1compat {
+        };
+        gnupg1 = gnupg1compat;
+        gnupg = callPackage ../tools/security/gnupg {
+          libusb = libusb1;
+        };
+        gnupg2_1 = lowPrio (callPackage ../tools/security/gnupg/git.nix {
+          libassuan = libassuan2_1;
+        });
+        gnuplot = callPackage ../tools/graphics/gnuplot {
+        };
+        gnuplot_qt = gnuplot.override {
+          withQt = true;
+        };
+        gnuplot_aquaterm = gnuplot.override {
+          aquaterm = true;
+        };
+        gnused = callPackage ../tools/text/gnused {
+        };
+        gnutar = callPackage ../tools/archivers/gnutar {
+        };
+        gnuvd = callPackage ../tools/misc/gnuvd {
+        };
+        goaccess = callPackage ../tools/misc/goaccess {
+        };
+        googleAuthenticator = callPackage ../os-specific/linux/google-authenticator {
+        };
+        gource = callPackage ../applications/version-management/gource {
+        };
+        gpodder = callPackage ../applications/audio/gpodder {
+        };
+        gptfdisk = callPackage ../tools/system/gptfdisk {
+        };
+        grafana = callPackage ../development/tools/misc/grafana {
+        };
+        grafx2 = callPackage ../applications/graphics/grafx2 {
+        };
+        graphviz = callPackage ../tools/graphics/graphviz {
+        };
+        graphviz_2_0 = callPackage ../tools/graphics/graphviz/2.0.nix {
+        };
+        grive = callPackage ../tools/filesystems/grive {
+          json_c = json-c-0-11;
+        };
+        groff = callPackage ../tools/text/groff {
+          ghostscript = null;
+        };
+        grub = callPackage_i686 ../tools/misc/grub {
+          buggyBiosCDSupport = config.grub.buggyBiosCDSupport or true;
+        };
+        grub2 = callPackage ../tools/misc/grub/2.0x.nix {
+          libusb = libusb1;
+          flex = flex_2_5_35;
+        };
+        grub2_efi = grub2.override {
+          EFIsupport = true;
+        };
+        gssdp = callPackage ../development/libraries/gssdp {
+          inherit (gnome) libsoup;
+        };
+        gt5 = callPackage ../tools/system/gt5 {
+        };
+        gtest = callPackage ../development/libraries/gtest {
+        };
+        gtkdatabox = callPackage ../development/libraries/gtkdatabox {
+        };
+        gtkgnutella = callPackage ../tools/networking/p2p/gtk-gnutella {
+        };
+        gtkvnc = callPackage ../tools/admin/gtk-vnc {
+        };
+        gtmess = callPackage ../applications/networking/instant-messengers/gtmess {
+        };
+        gummiboot = callPackage ../tools/misc/gummiboot {
+        };
+        gupnp = callPackage ../development/libraries/gupnp {
+          inherit (gnome) libsoup;
+        };
+        gupnp_av = callPackage ../development/libraries/gupnp-av {
+        };
+        gupnp_igd = callPackage ../development/libraries/gupnp-igd {
+        };
+        gupnptools = callPackage ../tools/networking/gupnp-tools {
+        };
+        gvpe = builderDefsPackage ../tools/networking/gvpe {
+          inherit openssl gmp nettools
+          iproute;
+        };
+        gvolicon = callPackage ../tools/audio/gvolicon {
+        };
+        gzip = callPackage ../tools/compression/gzip {
+        };
+        gzrt = callPackage ../tools/compression/gzrt {
+        };
+        partclone = callPackage ../tools/backup/partclone {
+        };
+        partimage = callPackage ../tools/backup/partimage {
+        };
+        pigz = callPackage ../tools/compression/pigz {
+        };
+        haproxy = callPackage ../tools/networking/haproxy {
+        };
+        haveged = callPackage ../tools/security/haveged {
+        };
+        hardlink = callPackage ../tools/system/hardlink {
+        };
+        hashcat = callPackage ../tools/security/hashcat {
+        };
+        halibut = callPackage ../tools/typesetting/halibut {
+        };
+        hddtemp = callPackage ../tools/misc/hddtemp {
+        };
+        hdf5 = callPackage ../tools/misc/hdf5 {
+          szip = null;
+        };
+        heimdall = callPackage ../tools/misc/heimdall {
+        };
+        hevea = callPackage ../tools/typesetting/hevea {
+        };
+        highlight = callPackage ../tools/text/highlight {
+          lua = lua5;
+        };
+        host = callPackage ../tools/networking/host {
+        };
+        hping = callPackage ../tools/networking/hping {
+        };
+        httpie = callPackage ../tools/networking/httpie {
+        };
+        httpfs2 = callPackage ../tools/filesystems/httpfs {
+        };
+        iasl = callPackage ../development/compilers/iasl {
+        };
+        icecast = callPackage ../servers/icecast {
+        };
+        icoutils = callPackage ../tools/graphics/icoutils {
+        };
+        idutils = callPackage ../tools/misc/idutils {
+        };
+        idle3tools = callPackage ../tools/system/idle3tools {
+        };
+        iftop = callPackage ../tools/networking/iftop {
+        };
+        imapproxy = callPackage ../tools/networking/imapproxy {
+        };
+        imapsync = callPackage ../tools/networking/imapsync {
+          inherit (perlPackages) MailIMAPClient;
+        };
+        inadyn = callPackage ../tools/networking/inadyn {
+        };
+        inetutils = callPackage ../tools/networking/inetutils {
+        };
+        ioping = callPackage ../tools/system/ioping {
+        };
+        iodine = callPackage ../tools/networking/iodine {
+        };
+        iperf = callPackage ../tools/networking/iperf {
+        };
+        ipmitool = callPackage ../tools/system/ipmitool {
+          static = false;
+        };
+        ipmiutil = callPackage ../tools/system/ipmiutil {
+        };
+        ised = callPackage ../tools/misc/ised {
+        };
+        isl = callPackage ../development/libraries/isl {
+        };
+        isl_0_12 = callPackage ../development/libraries/isl/0.12.2.nix {
+        };
+        isync = callPackage ../tools/networking/isync {
+        };
+        jd-gui = callPackage_i686 ../tools/security/jd-gui {
+        };
+        jdiskreport = callPackage ../tools/misc/jdiskreport {
+        };
+        jfsrec = callPackage ../tools/filesystems/jfsrec {
+          boost = boost144;
+        };
+        jfsutils = callPackage ../tools/filesystems/jfsutils {
+        };
+        jhead = callPackage ../tools/graphics/jhead {
+        };
+        jing = callPackage ../tools/text/xml/jing {
+        };
+        jmtpfs = callPackage ../tools/filesystems/jmtpfs {
+        };
+        jnettop = callPackage ../tools/networking/jnettop {
+        };
+        jq = callPackage ../development/tools/jq {
+        };
+        jscoverage = callPackage ../development/tools/misc/jscoverage {
+        };
+        jwhois = callPackage ../tools/networking/jwhois {
+        };
+        kazam = callPackage ../applications/video/kazam {
+        };
+        kalibrate-rtl = callPackage ../tools/misc/kalibrate-rtl {
+        };
+        kexectools = callPackage ../os-specific/linux/kexectools {
+        };
+        keychain = callPackage ../tools/misc/keychain {
+        };
+        kismet = callPackage ../applications/networking/sniffers/kismet {
+        };
+        less = callPackage ../tools/misc/less {
+        };
+        lockfileProgs = callPackage ../tools/misc/lockfile-progs {
+        };
+        logstash = callPackage ../tools/misc/logstash {
+        };
+        logstash-forwarder = callPackage ../tools/misc/logstash-forwarder {
+        };
+        kippo = callPackage ../servers/kippo {
+        };
+        klavaro = callPackage ../games/klavaro {
+        };
+        kzipmix = callPackage_i686 ../tools/compression/kzipmix {
+        };
+        minidlna = callPackage ../tools/networking/minidlna {
+          ffmpeg = ffmpeg_0_10;
+        };
+        mmv = callPackage ../tools/misc/mmv {
+        };
+        most = callPackage ../tools/misc/most {
+        };
+        multitail = callPackage ../tools/misc/multitail {
+        };
+        netperf = callPackage ../applications/networking/netperf {
+        };
+        ninka = callPackage ../development/tools/misc/ninka {
+        };
+        nodejs = callPackage ../development/web/nodejs {
+        };
+        nodePackages = recurseIntoAttrs (import ./node-packages.nix {
+          inherit pkgs stdenv nodejs
+          fetchurl fetchgit;
+          neededNatives = [
+            python
+          ] ++ lib.optional (lib.elem system lib.platforms.linux) utillinux;
+          self = pkgs.nodePackages;
+        });
+        ldapvi = callPackage ../tools/misc/ldapvi {
+        };
+        ldns = callPackage ../development/libraries/ldns {
+        };
+        lftp = callPackage ../tools/networking/lftp {
+        };
+        libconfig = callPackage ../development/libraries/libconfig {
+        };
+        libee = callPackage ../development/libraries/libee {
+        };
+        libestr = callPackage ../development/libraries/libestr {
+        };
+        libevdev = callPackage ../development/libraries/libevdev {
+        };
+        liboauth = callPackage ../development/libraries/liboauth {
+        };
+        libtirpc = callPackage ../development/libraries/ti-rpc {
+        };
+        libshout = callPackage ../development/libraries/libshout {
+        };
+        libqmi = callPackage ../development/libraries/libqmi {
+        };
+        libmbim = callPackage ../development/libraries/libmbim {
+        };
+        libtorrent = callPackage ../tools/networking/p2p/libtorrent {
+        };
+        logcheck = callPackage ../tools/system/logcheck {
+          inherit (perlPackages) mimeConstruct;
+        };
+        logrotate = callPackage ../tools/system/logrotate {
+        };
+        logstalgia = callPackage ../tools/graphics/logstalgia {
+        };
+        lout = callPackage ../tools/typesetting/lout {
+        };
+        lrzip = callPackage ../tools/compression/lrzip {
+        };
+        lsh = lowPrio (callPackage ../tools/networking/lsh {
+        });
+        lshw = callPackage ../tools/system/lshw {
+        };
+        lxc = callPackage ../os-specific/linux/lxc {
+        };
+        lzip = callPackage ../tools/compression/lzip {
+        };
+        lzma = xz;
+        xz = callPackage ../tools/compression/xz {
+        };
+        lzop = callPackage ../tools/compression/lzop {
+        };
+        maildrop = callPackage ../tools/networking/maildrop {
+        };
+        mailpile = callPackage ../applications/networking/mailreaders/mailpile {
+        };
+        mailutils = callPackage ../tools/networking/mailutils {
+          guile = guile_1_8;
+        };
+        mairix = callPackage ../tools/text/mairix {
+        };
+        makemkv = callPackage ../applications/video/makemkv {
+        };
+        man = callPackage ../tools/misc/man {
+        };
+        man_db = callPackage ../tools/misc/man-db {
+        };
+        memtest86 = callPackage ../tools/misc/memtest86 {
+        };
+        memtest86plus = callPackage ../tools/misc/memtest86+ {
+        };
+        meo = callPackage ../tools/security/meo {
+        };
+        mc = callPackage ../tools/misc/mc {
+        };
+        mcabber = callPackage ../applications/networking/instant-messengers/mcabber {
+        };
+        mcron = callPackage ../tools/system/mcron {
+          guile = guile_1_8;
+        };
+        mdbtools = callPackage ../tools/misc/mdbtools {
+        };
+        mdbtools_git = callPackage ../tools/misc/mdbtools/git.nix {
+          inherit (gnome) scrollkeeper;
+        };
+        mednafen = callPackage ../misc/emulators/mednafen {
+        };
+        mednafen-server = callPackage ../misc/emulators/mednafen/server.nix {
+        };
+        megacli = callPackage ../tools/misc/megacli {
+        };
+        megatools = callPackage ../tools/networking/megatools {
+        };
+        mfcuk = callPackage ../tools/security/mfcuk {
+        };
+        minecraft = callPackage ../games/minecraft {
+        };
+        minecraft-server = callPackage ../games/minecraft-server {
+        };
+        minetest = callPackage ../games/minetest {
+          libpng = libpng12;
+        };
+        miniupnpc = callPackage ../tools/networking/miniupnpc {
+        };
+        miniupnpd = callPackage ../tools/networking/miniupnpd {
+        };
+        minixml = callPackage ../development/libraries/minixml {
+        };
+        mjpegtools = callPackage ../tools/video/mjpegtools {
+        };
+        mkcue = callPackage ../tools/cd-dvd/mkcue {
+        };
+        mkpasswd = callPackage ../tools/security/mkpasswd {
+        };
+        mktemp = callPackage ../tools/security/mktemp {
+        };
+        mktorrent = callPackage ../tools/misc/mktorrent {
+        };
+        modemmanager = callPackage ../tools/networking/modemmanager {
+        };
+        monit = callPackage ../tools/system/monit {
+        };
+        mosh = callPackage ../tools/networking/mosh {
+          boost = boostHeaders;
+          inherit (perlPackages) IOTty;
+        };
+        mpage = callPackage ../tools/text/mpage {
+        };
+        mr = callPackage ../applications/version-management/mr {
+        };
+        mscgen = callPackage ../tools/graphics/mscgen {
+        };
+        msf = builderDefsPackage (import ../tools/security/metasploit/3.1.nix) {
+          inherit ruby makeWrapper;
+        };
+        mssys = callPackage ../tools/misc/mssys {
+        };
+        mtdutils = callPackage ../tools/filesystems/mtdutils {
+        };
+        mtools = callPackage ../tools/filesystems/mtools {
+        };
+        mtr = callPackage ../tools/networking/mtr {
+        };
+        multitran = recurseIntoAttrs (let
+          callPackage = newScope pkgs.multitran;
+          in rec {
+            multitrandata = callPackage ../tools/text/multitran/data {
+            };
+            libbtree = callPackage ../tools/text/multitran/libbtree {
+            };
+            libmtsupport = callPackage ../tools/text/multitran/libmtsupport {
+            };
+            libfacet = callPackage ../tools/text/multitran/libfacet {
+            };
+            libmtquery = callPackage ../tools/text/multitran/libmtquery {
+            };
+            mtutils = callPackage ../tools/text/multitran/mtutils {
+            };
+          });
+        munge = callPackage ../tools/security/munge {
+        };
+        muscleframework = callPackage ../tools/security/muscleframework {
+        };
+        muscletool = callPackage ../tools/security/muscletool {
+        };
+        mysql2pgsql = callPackage ../tools/misc/mysql2pgsql {
+        };
+        namazu = callPackage ../tools/text/namazu {
+        };
+        nbd = callPackage ../tools/networking/nbd {
+        };
+        ndjbdns = callPackage ../tools/networking/ndjbdns {
+        };
+        netatalk = callPackage ../tools/filesystems/netatalk {
+        };
+        netcdf = callPackage ../development/libraries/netcdf {
+        };
+        nc6 = callPackage ../tools/networking/nc6 {
+        };
+        ncat = callPackage ../tools/networking/ncat {
+        };
+        ncftp = callPackage ../tools/networking/ncftp {
+        };
+        ncompress = callPackage ../tools/compression/ncompress {
+        };
+        ndisc6 = callPackage ../tools/networking/ndisc6 {
+        };
+        netboot = callPackage ../tools/networking/netboot {
+        };
+        netcat = callPackage ../tools/networking/netcat {
+        };
+        netcat-openbsd = callPackage ../tools/networking/netcat-openbsd {
+        };
+        nethogs = callPackage ../tools/networking/nethogs {
+        };
+        netkittftp = callPackage ../tools/networking/netkit/tftp {
+        };
+        netpbm = callPackage ../tools/graphics/netpbm {
+        };
+        netrw = callPackage ../tools/networking/netrw {
+        };
+        netselect = callPackage ../tools/networking/netselect {
+        };
+        networkmanager = callPackage ../tools/networking/network-manager {
+        };
+        networkmanager_openvpn = callPackage ../tools/networking/network-manager/openvpn.nix {
+        };
+        networkmanager_pptp = callPackage ../tools/networking/network-manager/pptp.nix {
+        };
+        networkmanager_vpnc = callPackage ../tools/networking/network-manager/vpnc.nix {
+        };
+        networkmanager_openconnect = callPackage ../tools/networking/network-manager/openconnect.nix {
+        };
+        networkmanagerapplet = newScope gnome ../tools/networking/network-manager-applet {
+          dconf = gnome3.dconf;
+        };
+        newsbeuter = callPackage ../applications/networking/feedreaders/newsbeuter {
+        };
+        newsbeuter-dev = callPackage ../applications/networking/feedreaders/newsbeuter/dev.nix {
+        };
+        ngrep = callPackage ../tools/networking/ngrep {
+        };
+        ngrok = callPackage ../tools/misc/ngrok {
+        };
+        mpack = callPackage ../tools/networking/mpack {
+        };
+        pa_applet = callPackage ../tools/audio/pa-applet {
+        };
+        pnmixer = callPackage ../tools/audio/pnmixer {
+        };
+        nifskope = callPackage ../tools/graphics/nifskope {
+        };
+        nilfs_utils = callPackage ../tools/filesystems/nilfs-utils {
+        };
+        nitrogen = callPackage ../tools/X11/nitrogen {
+        };
+        nlopt = callPackage ../development/libraries/nlopt {
+        };
+        npapi_sdk = callPackage ../development/libraries/npapi-sdk {
+        };
+        npth = callPackage ../development/libraries/npth {
+        };
+        nmap = callPackage ../tools/security/nmap {
+        };
+        nmap_graphical = callPackage ../tools/security/nmap {
+          inherit (pythonPackages) pysqlite;
+          graphicalSupport = true;
+        };
+        notbit = callPackage ../applications/networking/notbit {
+        };
+        nox = callPackage ../tools/package-management/nox {
+          pythonPackages = python3Packages;
+          nix = nixUnstable;
+        };
+        nss_pam_ldapd = callPackage ../tools/networking/nss-pam-ldapd {
+        };
+        ntfs3g = callPackage ../tools/filesystems/ntfs-3g {
+        };
+        ntfsprogs = pkgs.ntfs3g;
+        ntop = callPackage ../tools/networking/ntop {
+        };
+        ntopng = callPackage ../tools/networking/ntopng {
+        };
+        ntp = callPackage ../tools/networking/ntp {
+        };
+        numdiff = callPackage ../tools/text/numdiff {
+        };
+        nssmdns = callPackage ../tools/networking/nss-mdns {
+        };
+        nwdiag = pythonPackages.nwdiag;
+        nylon = callPackage ../tools/networking/nylon {
+        };
+        nzbget = callPackage ../tools/networking/nzbget {
+        };
+        oathToolkit = callPackage ../tools/security/oath-toolkit {
+        };
+        obex_data_server = callPackage ../tools/bluetooth/obex-data-server {
+        };
+        obexd = callPackage ../tools/bluetooth/obexd {
+        };
+        obexfs = callPackage ../tools/bluetooth/obexfs {
+        };
+        obexftp = callPackage ../tools/bluetooth/obexftp {
+        };
+        obnam = callPackage ../tools/backup/obnam {
+        };
+        odt2txt = callPackage ../tools/text/odt2txt {
+        };
+        offlineimap = callPackage ../tools/networking/offlineimap {
+          inherit (pythonPackages) sqlite3;
+        };
+        opendbx = callPackage ../development/libraries/opendbx {
+        };
+        opendkim = callPackage ../development/libraries/opendkim {
+        };
+        opendylan = callPackage ../development/compilers/opendylan {
+          opendylan-bootstrap = opendylan_bin;
+        };
+        opendylan_bin = callPackage ../development/compilers/opendylan/bin.nix {
+        };
+        openjade = callPackage ../tools/text/sgml/openjade {
+        };
+        openobex = callPackage ../tools/bluetooth/openobex {
+        };
+        openopc = callPackage ../tools/misc/openopc {
+          pythonFull = python27Full.override {
+            extraLibs = [
+              python27Packages.pyro3
+            ];
+          };
+        };
+        openresolv = callPackage ../tools/networking/openresolv {
+        };
+        opensc = callPackage ../tools/security/opensc {
+        };
+        opensc_dnie_wrapper = callPackage ../tools/security/opensc-dnie-wrapper {
+        };
+        openssh = callPackage ../tools/networking/openssh {
+          hpnSupport = false;
+          withKerberos = false;
+          etcDir = "/etc/ssh";
+          pam = if stdenv.isLinux
+            then pam
+            else null;
+        };
+        openssh_hpn = pkgs.appendToName "with-hpn" (openssh.override {
+          hpnSupport = true;
+        });
+        openssh_with_kerberos = pkgs.appendToName "with-kerberos" (openssh.override {
+          withKerberos = true;
+        });
+        opensp = callPackage ../tools/text/sgml/opensp {
+        };
+        spCompat = callPackage ../tools/text/sgml/opensp/compat.nix {
+        };
+        openvpn = callPackage ../tools/networking/openvpn {
+        };
+        openvpn_learnaddress = callPackage ../tools/networking/openvpn/openvpn_learnaddress.nix {
+        };
+        optipng = callPackage ../tools/graphics/optipng {
+          libpng = libpng12;
+        };
+        oslrd = callPackage ../tools/networking/oslrd {
+        };
+        ossec = callPackage ../tools/security/ossec {
+        };
+        otpw = callPackage ../os-specific/linux/otpw {
+        };
+        p7zip = callPackage ../tools/archivers/p7zip {
+        };
+        pal = callPackage ../tools/misc/pal {
+        };
+        panomatic = callPackage ../tools/graphics/panomatic {
+        };
+        par2cmdline = callPackage ../tools/networking/par2cmdline {
+        };
+        parallel = callPackage ../tools/misc/parallel {
+        };
+        parcellite = callPackage ../tools/misc/parcellite {
+        };
+        patchutils = callPackage ../tools/text/patchutils {
+        };
+        parted = callPackage ../tools/misc/parted {
+          hurd = null;
+        };
+        pitivi = callPackage ../applications/video/pitivi {
+          gst = gst_all_1;
+          clutter-gtk = clutter_gtk;
+          inherit (gnome3) gnome_icon_theme
+          gnome_icon_theme_symbolic;
+        };
+        p0f = callPackage ../tools/security/p0f {
+        };
+        pngout = callPackage ../tools/graphics/pngout {
+        };
+        hurdPartedCross = if crossSystem != null && crossSystem.config == "i586-pc-gnu"
+          then makeOverridable ({ hurd }:
+          (parted.override {
+            inherit hurd;
+            enableStatic = true;
+            gettext = null;
+            readline = null;
+            devicemapper = null;
+          }).crossDrv) {
+            hurd = gnu.hurdCrossIntermediate;
+          }
+          else null;
+        ipsecTools = callPackage ../os-specific/linux/ipsec-tools {
+          flex = flex_2_5_35;
+        };
+        patch = gnupatch;
+        pbzip2 = callPackage ../tools/compression/pbzip2 {
+        };
+        pciutils = callPackage ../tools/system/pciutils {
+        };
+        pcsclite = callPackage ../tools/security/pcsclite {
+        };
+        pdf2djvu = callPackage ../tools/typesetting/pdf2djvu {
+        };
+        pdfjam = callPackage ../tools/typesetting/pdfjam {
+        };
+        jbig2enc = callPackage ../tools/graphics/jbig2enc {
+        };
+        pdfread = callPackage ../tools/graphics/pdfread {
+        };
+        briss = callPackage ../tools/graphics/briss {
+        };
+        bully = callPackage ../tools/networking/bully {
+        };
+        pdnsd = callPackage ../tools/networking/pdnsd {
+        };
+        peco = callPackage ../tools/text/peco {
+        };
+        pg_top = callPackage ../tools/misc/pg_top {
+        };
+        pdsh = callPackage ../tools/networking/pdsh {
+          rsh = true;
+          ssh = openssh;
+        };
+        pfstools = callPackage ../tools/graphics/pfstools {
+        };
+        philter = callPackage ../tools/networking/philter {
+        };
+        pinentry = callPackage ../tools/security/pinentry {
+        };
+        pius = callPackage ../tools/security/pius {
+        };
+        pk2cmd = callPackage ../tools/misc/pk2cmd {
+        };
+        plantuml = callPackage ../tools/misc/plantuml {
+        };
+        plan9port = callPackage ../tools/system/plan9port {
+        };
+        ploticus = callPackage ../tools/graphics/ploticus {
+          libpng = libpng12;
+        };
+        plotutils = callPackage ../tools/graphics/plotutils {
+        };
+        plowshare = callPackage ../tools/misc/plowshare {
+        };
+        pngcrush = callPackage ../tools/graphics/pngcrush {
+        };
+        pngnq = callPackage ../tools/graphics/pngnq {
+        };
+        pngtoico = callPackage ../tools/graphics/pngtoico {
+          libpng = libpng12;
+        };
+        pngquant = callPackage ../tools/graphics/pngquant {
+        };
+        podiff = callPackage ../tools/text/podiff {
+        };
+        poedit = callPackage ../tools/text/poedit {
+        };
+        polipo = callPackage ../servers/polipo {
+        };
+        polkit_gnome = callPackage ../tools/security/polkit-gnome {
+        };
+        ponysay = callPackage ../tools/misc/ponysay {
+        };
+        povray = callPackage ../tools/graphics/povray {
+        };
+        ppl = callPackage ../development/libraries/ppl {
+        };
+        ppp = callPackage ../tools/networking/ppp {
+        };
+        pptp = callPackage ../tools/networking/pptp {
+        };
+        prey-bash-client = callPackage ../tools/security/prey {
+        };
+        projectm = callPackage ../applications/audio/projectm {
+        };
+        proxychains = callPackage ../tools/networking/proxychains {
+        };
+        proxytunnel = callPackage ../tools/misc/proxytunnel {
+        };
+        cntlm = callPackage ../tools/networking/cntlm {
+        };
+        pastebinit = callPackage ../tools/misc/pastebinit {
+        };
+        psmisc = callPackage ../os-specific/linux/psmisc {
+        };
+        pstoedit = callPackage ../tools/graphics/pstoedit {
+        };
+        pv = callPackage ../tools/misc/pv {
+        };
+        pwgen = callPackage ../tools/security/pwgen {
+        };
+        pwnat = callPackage ../tools/networking/pwnat {
+        };
+        pycangjie = callPackage ../development/python-modules/pycangjie {
+        };
+        pydb = callPackage ../development/tools/pydb {
+        };
+        pystringtemplate = callPackage ../development/python-modules/stringtemplate {
+        };
+        pythonDBus = dbus_python;
+        pythonIRClib = builderDefsPackage (import ../development/python-modules/irclib) {
+          inherit python;
+        };
+        pythonSexy = builderDefsPackage (import ../development/python-modules/libsexy) {
+          inherit python libsexy pkgconfig
+          libxml2 pygtk pango gtk glib;
+        };
+        openmpi = callPackage ../development/libraries/openmpi {
+        };
+        qhull = callPackage ../development/libraries/qhull {
+        };
+        qjoypad = callPackage ../tools/misc/qjoypad {
+        };
+        qshowdiff = callPackage ../tools/text/qshowdiff {
+        };
+        quilt = callPackage ../development/tools/quilt {
+        };
+        radvd = callPackage ../tools/networking/radvd {
+        };
+        ranger = callPackage ../applications/misc/ranger {
+        };
+        privateer = callPackage ../games/privateer {
+        };
+        rtmpdump = callPackage ../tools/video/rtmpdump {
+        };
+        reaverwps = callPackage ../tools/networking/reaver-wps {
+        };
+        recutils = callPackage ../tools/misc/recutils {
+        };
+        recoll = callPackage ../applications/search/recoll {
+        };
+        reiser4progs = callPackage ../tools/filesystems/reiser4progs {
+        };
+        reiserfsprogs = callPackage ../tools/filesystems/reiserfsprogs {
+        };
+        relfs = callPackage ../tools/filesystems/relfs {
+          inherit (gnome) gnome_vfs GConf;
+        };
+        remarkjs = callPackage ../development/web/remarkjs {
+        };
+        remind = callPackage ../tools/misc/remind {
+        };
+        remmina = callPackage ../applications/networking/remote/remmina {
+        };
+        renameutils = callPackage ../tools/misc/renameutils {
+        };
+        replace = callPackage ../tools/text/replace {
+        };
+        reptyr = callPackage ../os-specific/linux/reptyr {
+        };
+        rdiff_backup = callPackage ../tools/backup/rdiff-backup {
+        };
+        rdmd = callPackage ../development/compilers/rdmd {
+        };
+        rhash = callPackage ../tools/security/rhash {
+        };
+        riemann_c_client = callPackage ../tools/misc/riemann-c-client {
+        };
+        ripmime = callPackage ../tools/networking/ripmime {
+        };
+        rkflashtool = callPackage ../tools/misc/rkflashtool {
+        };
+        rmlint = callPackage ../tools/misc/rmlint {
+        };
+        rng_tools = callPackage ../tools/security/rng-tools {
+        };
+        rsnapshot = callPackage ../tools/backup/rsnapshot {
+          logger = inetutils;
+        };
+        rlwrap = callPackage ../tools/misc/rlwrap {
+        };
+        rockbox_utility = callPackage ../tools/misc/rockbox-utility {
+        };
+        rpPPPoE = builderDefsPackage (import ../tools/networking/rp-pppoe) {
+          inherit ppp;
+        };
+        rpm = callPackage ../tools/package-management/rpm {
+        };
+        rrdtool = callPackage ../tools/misc/rrdtool {
+        };
+        rtorrent = callPackage ../tools/networking/p2p/rtorrent {
+        };
+        rubber = callPackage ../tools/typesetting/rubber {
+        };
+        rxp = callPackage ../tools/text/xml/rxp {
+        };
+        rzip = callPackage ../tools/compression/rzip {
+        };
+        s3backer = callPackage ../tools/filesystems/s3backer {
+        };
+        s3cmd = callPackage ../tools/networking/s3cmd {
+        };
+        s3cmd_15_pre_81e3842f7a = lowPrio (callPackage ../tools/networking/s3cmd/git.nix {
+        });
+        s3sync = callPackage ../tools/networking/s3sync {
+          ruby = ruby18;
+        };
+        sablotron = callPackage ../tools/text/xml/sablotron {
+        };
+        safecopy = callPackage ../tools/system/safecopy {
+        };
+        salut_a_toi = callPackage ../applications/networking/instant-messengers/salut-a-toi {
+        };
+        samplicator = callPackage ../tools/networking/samplicator {
+        };
+        screen = callPackage ../tools/misc/screen {
+        };
+        scrot = callPackage ../tools/graphics/scrot {
+        };
+        scrypt = callPackage ../tools/security/scrypt {
+        };
+        sdcv = callPackage ../applications/misc/sdcv {
+        };
+        sec = callPackage ../tools/admin/sec {
+        };
+        seccure = callPackage ../tools/security/seccure {
+        };
+        setserial = builderDefsPackage (import ../tools/system/setserial) {
+          inherit groff;
+        };
+        seqdiag = pythonPackages.seqdiag;
+        screenfetch = callPackage ../tools/misc/screenfetch {
+        };
+        sg3_utils = callPackage ../tools/system/sg3_utils {
+        };
+        sharutils = callPackage ../tools/archivers/sharutils {
+        };
+        shotwell = callPackage ../applications/graphics/shotwell {
+        };
+        shebangfix = callPackage ../tools/misc/shebangfix {
+        };
+        shellinabox = callPackage ../servers/shellinabox {
+        };
+        siege = callPackage ../tools/networking/siege {
+        };
+        silc_client = callPackage ../applications/networking/instant-messengers/silc-client {
+        };
+        silc_server = callPackage ../servers/silc-server {
+        };
+        silver-searcher = callPackage ../tools/text/silver-searcher {
+        };
+        simplescreenrecorder = callPackage ../applications/video/simplescreenrecorder {
+        };
+        sleuthkit = callPackage ../tools/system/sleuthkit {
+        };
+        slimrat = callPackage ../tools/networking/slimrat {
+          inherit (perlPackages) WWWMechanize
+          LWP;
+        };
+        slsnif = callPackage ../tools/misc/slsnif {
+        };
+        smartmontools = callPackage ../tools/system/smartmontools {
+        };
+        smbldaptools = callPackage ../tools/networking/smbldaptools {
+          inherit (perlPackages) NetLDAP
+          CryptSmbHash DigestSHA1;
+        };
+        smbnetfs = callPackage ../tools/filesystems/smbnetfs {
+        };
+        snort = callPackage ../applications/networking/ids/snort {
+        };
+        snx = callPackage_i686 ../tools/networking/snx {
+          inherit (pkgsi686Linux) pam
+          gcc33;
+          inherit (pkgsi686Linux.xlibs) libX11;
+        };
+        solr = callPackage ../servers/search/solr {
+        };
+        sparsehash = callPackage ../development/libraries/sparsehash {
+        };
+        spiped = callPackage ../tools/networking/spiped {
+        };
+        sproxy = haskellPackages.callPackage ../tools/networking/sproxy {
+        };
+        sproxy-web = haskellPackages.callPackage ../tools/networking/sproxy-web {
+        };
+        stardict = callPackage ../applications/misc/stardict/stardict.nix {
+          inherit (gnome) libgnomeui
+          scrollkeeper;
+        };
+        storebrowse = callPackage ../tools/system/storebrowse {
+        };
+        fusesmb = callPackage ../tools/filesystems/fusesmb {
+        };
+        sl = callPackage ../tools/misc/sl {
+        };
+        socat = callPackage ../tools/networking/socat {
+        };
+        socat2pre = lowPrio (callPackage ../tools/networking/socat/2.x.nix {
+        });
+        sourceHighlight = callPackage ../tools/text/source-highlight {
+          boost = boost149;
+        };
+        spaceFM = callPackage ../applications/misc/spacefm {
+        };
+        squashfsTools = callPackage ../tools/filesystems/squashfs {
+        };
+        sshfsFuse = callPackage ../tools/filesystems/sshfs-fuse {
+        };
+        sshuttle = callPackage ../tools/security/sshuttle {
+        };
+        sudo = callPackage ../tools/security/sudo {
+        };
+        suidChroot = builderDefsPackage (import ../tools/system/suid-chroot) {
+        };
+        super = callPackage ../tools/security/super {
+        };
+        ssdeep = callPackage ../tools/security/ssdeep {
+        };
+        ssmtp = callPackage ../tools/networking/ssmtp {
+          tlsSupport = true;
+        };
+        ssss = callPackage ../tools/security/ssss {
+        };
+        storeBackup = callPackage ../tools/backup/store-backup {
+        };
+        stow = callPackage ../tools/misc/stow {
+        };
+        stun = callPackage ../tools/networking/stun {
+        };
+        stunnel = callPackage ../tools/networking/stunnel {
+        };
+        su = shadow.su;
+        surfraw = callPackage ../tools/networking/surfraw {
+        };
+        swec = callPackage ../tools/networking/swec {
+          inherit (perlPackages) LWP URI
+          HTMLParser HTTPServerSimple
+          Parent;
+        };
+        svnfs = callPackage ../tools/filesystems/svnfs {
+        };
+        sysbench = callPackage ../development/tools/misc/sysbench {
+        };
+        system_config_printer = callPackage ../tools/misc/system-config-printer {
+          libxml2 = libxml2Python;
+        };
+        sitecopy = callPackage ../tools/networking/sitecopy {
+        };
+        stricat = callPackage ../tools/security/stricat {
+        };
+        privoxy = callPackage ../tools/networking/privoxy {
+        };
+        t1utils = callPackage ../tools/misc/t1utils {
+        };
+        tarsnap = callPackage ../tools/backup/tarsnap {
+        };
+        tcpcrypt = callPackage ../tools/security/tcpcrypt {
+        };
+        tboot = callPackage ../tools/security/tboot {
+        };
+        tcpdump = callPackage ../tools/networking/tcpdump {
+        };
+        tcpflow = callPackage ../tools/networking/tcpflow {
+        };
+        teamviewer = callPackage_i686 ../applications/networking/remote/teamviewer {
+        };
+        teamviewer8 = lowPrio (callPackage_i686 ../applications/networking/remote/teamviewer/8.nix {
+        });
+        telnet = callPackage ../tools/networking/telnet {
+        };
+        texmacs = callPackage ../applications/editors/texmacs {
+          tex = texLive;
+          extraFonts = true;
+          guile = guile_1_8;
+        };
+        texmaker = callPackage ../applications/editors/texmaker {
+        };
+        texstudio = callPackage ../applications/editors/texstudio {
+        };
+        tiled-qt = callPackage ../applications/editors/tiled-qt {
+          qt = qt4;
+        };
+        tinc = callPackage ../tools/networking/tinc {
+        };
+        tiny8086 = callPackage ../applications/virtualization/8086tiny {
+        };
+        tmpwatch = callPackage ../tools/misc/tmpwatch {
+        };
+        tmux = callPackage ../tools/misc/tmux {
+        };
+        tor = callPackage ../tools/security/tor {
+        };
+        torbutton = callPackage ../tools/security/torbutton {
+        };
+        torbrowser = callPackage ../tools/security/tor/torbrowser.nix {
+        };
+        torsocks = callPackage ../tools/security/tor/torsocks.nix {
+        };
+        tpm-quote-tools = callPackage ../tools/security/tpm-quote-tools {
+        };
+        tpm-tools = callPackage ../tools/security/tpm-tools {
+        };
+        trickle = callPackage ../tools/networking/trickle {
+        };
+        trousers = callPackage ../tools/security/trousers {
+        };
+        ttf2pt1 = callPackage ../tools/misc/ttf2pt1 {
+        };
+        ttysnoop = callPackage ../os-specific/linux/ttysnoop {
+        };
+        twitterBootstrap = callPackage ../development/web/twitter-bootstrap {
+        };
+        txt2man = callPackage ../tools/misc/txt2man {
+        };
+        ucl = callPackage ../development/libraries/ucl {
+        };
+        ucspi-tcp = callPackage ../tools/networking/ucspi-tcp {
+        };
+        udftools = callPackage ../tools/filesystems/udftools {
+        };
+        udptunnel = callPackage ../tools/networking/udptunnel {
+        };
+        ufraw = callPackage ../applications/graphics/ufraw {
+        };
+        unetbootin = callPackage ../tools/cd-dvd/unetbootin {
+        };
+        unfs3 = callPackage ../servers/unfs3 {
+        };
+        unoconv = callPackage ../tools/text/unoconv {
+        };
+        upx = callPackage ../tools/compression/upx {
+        };
+        urlview = callPackage ../applications/misc/urlview {
+        };
+        usbmuxd = callPackage ../tools/misc/usbmuxd {
+        };
+        vacuum = callPackage ../applications/networking/instant-messengers/vacuum {
+        };
+        volatility = callPackage ../tools/security/volatility {
+        };
+        vidalia = callPackage ../tools/security/vidalia {
+        };
+        vbetool = builderDefsPackage ../tools/system/vbetool {
+          inherit pciutils libx86 zlib;
+        };
+        vde2 = callPackage ../tools/networking/vde2 {
+        };
+        vboot_reference = callPackage ../tools/system/vboot_reference {
+        };
+        vcsh = callPackage ../applications/version-management/vcsh {
+        };
+        verilog = callPackage ../applications/science/electronics/verilog {
+        };
+        vfdecrypt = callPackage ../tools/misc/vfdecrypt {
+        };
+        vifm = callPackage ../applications/misc/vifm {
+        };
+        viking = callPackage ../applications/misc/viking {
+          inherit (gnome) scrollkeeper;
+        };
+        vnc2flv = callPackage ../tools/video/vnc2flv {
+        };
+        vncrec = builderDefsPackage ../tools/video/vncrec {
+          inherit (xlibs) imake libX11
+          xproto gccmakedep libXt libXmu
+          libXaw libXext xextproto libSM
+          libICE libXpm libXp;
+        };
+        vobcopy = callPackage ../tools/cd-dvd/vobcopy {
+        };
+        vobsub2srt = callPackage ../tools/cd-dvd/vobsub2srt {
+        };
+        vorbisgain = callPackage ../tools/misc/vorbisgain {
+        };
+        vpnc = callPackage ../tools/networking/vpnc {
+        };
+        openconnect = callPackage ../tools/networking/openconnect.nix {
+        };
+        vtun = callPackage ../tools/networking/vtun {
+        };
+        wal_e = callPackage ../tools/backup/wal-e {
+        };
+        watchman = callPackage ../development/tools/watchman {
+        };
+        wbox = callPackage ../tools/networking/wbox {
+        };
+        welkin = callPackage ../tools/graphics/welkin {
+        };
+        testdisk = callPackage ../tools/misc/testdisk {
+        };
+        htmlTidy = callPackage ../tools/text/html-tidy {
+        };
+        html-xml-utils = callPackage ../tools/text/xml/html-xml-utils {
+        };
+        tftp_hpa = callPackage ../tools/networking/tftp-hpa {
+        };
+        tigervnc = callPackage ../tools/admin/tigervnc {
+          fontDirectories = [
+            xorg.fontadobe75dpi
+            xorg.fontmiscmisc
+            xorg.fontcursormisc
+            xorg.fontbhlucidatypewriter75dpi
+          ];
+          inherit (xorg) xorgserver;
+          fltk = fltk13;
+        };
+        tightvnc = callPackage ../tools/admin/tightvnc {
+          fontDirectories = [
+            xorg.fontadobe75dpi
+            xorg.fontmiscmisc
+            xorg.fontcursormisc
+            xorg.fontbhlucidatypewriter75dpi
+          ];
+        };
+        time = callPackage ../tools/misc/time {
+        };
+        tkabber = callPackage ../applications/networking/instant-messengers/tkabber {
+        };
+        qfsm = callPackage ../applications/science/electronics/qfsm {
+        };
+        tkgate = callPackage ../applications/science/electronics/tkgate/1.x.nix {
+          inherit (xlibs) libX11 imake
+          xproto gccmakedep;
+        };
+        tkgate2 = lowPrio (callPackage ../applications/science/electronics/tkgate/2.x.nix {
+          inherit (xlibs) libX11;
+        });
+        tm = callPackage ../tools/system/tm {
+        };
+        trang = callPackage ../tools/text/xml/trang {
+        };
+        tre = callPackage ../development/libraries/tre {
+        };
+        ts = callPackage ../tools/system/ts {
+        };
+        transfig = callPackage ../tools/graphics/transfig {
+          libpng = libpng12;
+        };
+        truecrypt = callPackage ../applications/misc/truecrypt {
+          wxGUI = config.truecrypt.wxGUI or true;
+        };
+        ttmkfdir = callPackage ../tools/misc/ttmkfdir {
+        };
+        unclutter = callPackage ../tools/misc/unclutter {
+        };
+        unbound = callPackage ../tools/networking/unbound {
+        };
+        units = callPackage ../tools/misc/units {
+        };
+        unrar = callPackage ../tools/archivers/unrar {
+        };
+        xarchive = callPackage ../tools/archivers/xarchive {
+        };
+        xarchiver = callPackage ../tools/archivers/xarchiver {
+        };
+        xcruiser = callPackage ../applications/misc/xcruiser {
+        };
+        unarj = callPackage ../tools/archivers/unarj {
+        };
+        unshield = callPackage ../tools/archivers/unshield {
+        };
+        unzip = callPackage ../tools/archivers/unzip {
+        };
+        unzipNLS = lowPrio (unzip.override {
+          enableNLS = true;
+        });
+        uptimed = callPackage ../tools/system/uptimed {
+        };
+        varnish = callPackage ../servers/varnish {
+        };
+        varnish2 = callPackage ../servers/varnish/2.1.nix {
+        };
+        venus = callPackage ../tools/misc/venus {
+          python = python27;
+        };
+        vlan = callPackage ../tools/networking/vlan {
+        };
+        wakelan = callPackage ../tools/networking/wakelan {
+        };
+        wavemon = callPackage ../tools/networking/wavemon {
+        };
+        w3cCSSValidator = callPackage ../tools/misc/w3c-css-validator {
+          tomcat = tomcat6;
+        };
+        wdfs = callPackage ../tools/filesystems/wdfs {
+        };
+        wdiff = callPackage ../tools/text/wdiff {
+        };
+        webalizer = callPackage ../tools/networking/webalizer {
+        };
+        webdruid = builderDefsPackage ../tools/admin/webdruid {
+          inherit zlib libpng freetype gd
+          which libxml2 geoip;
+        };
+        weighttp = callPackage ../tools/networking/weighttp {
+        };
+        wget = callPackage ../tools/networking/wget {
+          inherit (perlPackages) LWP;
+        };
+        which = callPackage ../tools/system/which {
+        };
+        wicd = callPackage ../tools/networking/wicd {
+        };
+        wkhtmltopdf = callPackage ../tools/graphics/wkhtmltopdf {
+        };
+        wv = callPackage ../tools/misc/wv {
+        };
+        wv2 = callPackage ../tools/misc/wv2 {
+        };
+        x86info = callPackage ../os-specific/linux/x86info {
+        };
+        x11_ssh_askpass = callPackage ../tools/networking/x11-ssh-askpass {
+        };
+        xbursttools = assert stdenv ? glibc; import ../tools/misc/xburst-tools {
+          inherit stdenv fetchgit autoconf
+          automake confuse pkgconfig
+          libusb libusb1;
+          gccCross = let
+            pkgsCross = import ./all-packages.nix {
+              inherit system;
+              inherit bootStdenv noSysDirs
+              gccWithCC gccWithProfiling
+              config;
+              crossSystem = {
+                config = "mipsel-unknown-linux";
+                bigEndian = true;
+                arch = "mips";
+                float = "soft";
+                withTLS = true;
+                libc = "uclibc";
+                platform = {
+                  name = "ben_nanonote";
+                  kernelMajor = "2.6";
+                  kernelHeadersBaseConfig = "bcm47xx_defconfig";
+                  kernelArch = "mips";
+                };
+                gcc = { arch = "mips32"; };
+              };
+            };
+            in pkgsCross.gccCrossStageStatic;
+        };
+        xclip = callPackage ../tools/misc/xclip {
+        };
+        xtitle = callPackage ../tools/misc/xtitle {
+        };
+        xdelta = callPackage ../tools/compression/xdelta {
+        };
+        xdummy = callPackage ../tools/misc/xdummy {
+        };
+        xfsprogs = callPackage ../tools/filesystems/xfsprogs {
+        };
+        xmlroff = callPackage ../tools/typesetting/xmlroff {
+          inherit (gnome) libgnomeprint;
+        };
+        xmlstarlet = callPackage ../tools/text/xml/xmlstarlet {
+        };
+        xmlto = callPackage ../tools/typesetting/xmlto {
+        };
+        xmltv = callPackage ../tools/misc/xmltv {
+        };
+        xmpppy = builderDefsPackage (import ../development/python-modules/xmpppy) {
+          inherit python setuptools;
+        };
+        xorriso = callPackage ../tools/cd-dvd/xorriso {
+        };
+        xpf = callPackage ../tools/text/xml/xpf {
+          libxml2 = libxml2Python;
+        };
+        xsel = callPackage ../tools/misc/xsel {
+        };
+        xtreemfs = callPackage ../tools/filesystems/xtreemfs {
+        };
+        xvfb_run = callPackage ../tools/misc/xvfb-run {
+          inherit (texFunctions) fontsConf;
+        };
+        youtubeDL = callPackage ../tools/misc/youtube-dl {
+        };
+        zbar = callPackage ../tools/graphics/zbar {
+          pygtk = lib.overrideDerivation pygtk (x:
+          { gtk = gtk2; });
+        };
+        zdelta = callPackage ../tools/compression/zdelta {
+        };
+        zfstools = callPackage ../tools/filesystems/zfstools {
+          zfs = linuxPackages.zfs;
+        };
+        zile = callPackage ../applications/editors/zile {
+        };
+        zip = callPackage ../tools/archivers/zip {
+        };
+        zpaq = callPackage ../tools/archivers/zpaq {
+        };
+        zpaqd = callPackage ../tools/archivers/zpaq/zpaqd.nix {
+        };
+        zsync = callPackage ../tools/compression/zsync {
+        };
+        bash = lowPrio (callPackage ../shells/bash {
+          texinfo = null;
+        });
+        bashInteractive = appendToName "interactive" (callPackage ../shells/bash {
+          interactive = true;
+          readline = readline63;
+        });
+        bashCompletion = callPackage ../shells/bash-completion {
+        };
+        dash = callPackage ../shells/dash {
+        };
+        fish = callPackage ../shells/fish {
+          python = python27Full;
+        };
+        tcsh = callPackage ../shells/tcsh {
+        };
+        rush = callPackage ../shells/rush {
+        };
+        zsh = callPackage ../shells/zsh {
+        };
+        abc = abcPatchable [ ];
+        abcPatchable = patches:
+        import ../development/compilers/abc/default.nix {
+          inherit stdenv fetchurl patches
+          jre apacheAnt;
+          javaCup = callPackage ../development/libraries/java/cup {
+          };
+        };
+        aldor = callPackage ../development/compilers/aldor {
+        };
+        aliceml = callPackage ../development/compilers/aliceml {
+        };
+        aspectj = callPackage ../development/compilers/aspectj {
+        };
+        ats = callPackage ../development/compilers/ats {
+        };
+        ats2 = callPackage ../development/compilers/ats2 {
+        };
+        avra = callPackage ../development/compilers/avra {
+        };
+        bigloo = callPackage ../development/compilers/bigloo {
+        };
+        chicken = callPackage ../development/compilers/chicken {
+        };
+        ccl = builderDefsPackage ../development/compilers/ccl {
+        };
+        clang = wrapClang llvmPackages.clang;
+        clang_34 = wrapClang llvmPackages_34.clang;
+        clang_33 = wrapClang (clangUnwrapped llvm_33 ../development/compilers/llvm/3.3/clang.nix);
+        clangAnalyzer = callPackage ../development/tools/analysis/clang-analyzer {
+          clang = clang_34;
+          llvmPackages = llvmPackages_34;
+        };
+        clangUnwrapped = llvm: pkg:
+        callPackage pkg {
+          stdenv = if stdenv.isDarwin
+            then stdenvApple
+            else stdenv;
+          inherit llvm;
+        };
+        clangSelf = clangWrapSelf llvmPackagesSelf.clang;
+        clangWrapSelf = build:
+        import ../build-support/clang-wrapper {
+          clang = build;
+          stdenv = clangStdenv;
+          libc = glibc;
+          binutils = binutils;
+          shell = bash;
+          inherit libcxx coreutils zlib;
+          nativeTools = false;
+          nativeLibc = false;
+        };
+        clangStdenv = lowPrio (stdenvAdapters.overrideGCC stdenv clang);
+        libcxxStdenv = stdenvAdapters.overrideGCC stdenv (clangWrapSelf llvmPackages.clang);
+        clean = callPackage ../development/compilers/clean {
+        };
+        closurecompiler = callPackage ../development/compilers/closure {
+        };
+        cmucl_binary = callPackage ../development/compilers/cmucl/binary.nix {
+        };
+        compcert = callPackage ../development/compilers/compcert {
+        };
+        cryptol1 = lowPrio (callPackage ../development/compilers/cryptol/1.8.x.nix {
+        });
+        cryptol2 = with haskellPackages_ghc763; callPackage ../development/compilers/cryptol/2.0.x.nix {
+          Cabal = Cabal_1_18_1_3;
+          cabalInstall = cabalInstall_1_18_0_3;
+          process = process_1_2_0_0;
+        };
+        cython = pythonPackages.cython;
+        cython3 = python3Packages.cython;
+        dylan = callPackage ../development/compilers/gwydion-dylan {
+          dylan = callPackage ../development/compilers/gwydion-dylan/binary.nix {
+          };
+        };
+        ecl = callPackage ../development/compilers/ecl {
+        };
+        eql = callPackage ../development/compilers/eql {
+        };
+        adobe_flex_sdk = callPackage ../development/compilers/adobe-flex-sdk {
+        };
+        fpc = callPackage ../development/compilers/fpc {
+        };
+        fpc_2_4_0 = callPackage ../development/compilers/fpc/2.4.0.nix {
+        };
+        gambit = callPackage ../development/compilers/gambit {
+        };
+        gcc = gcc48;
+        gcc33 = wrapGCC (import ../development/compilers/gcc/3.3 {
+          inherit fetchurl stdenv
+          noSysDirs;
+        });
+        gcc34 = wrapGCC (import ../development/compilers/gcc/3.4 {
+          inherit fetchurl stdenv
+          noSysDirs;
+        });
+        gcc48_realCross = lib.addMetaAttrs {
+          hydraPlatforms = [ ];
+        } (callPackage ../development/compilers/gcc/4.8 {
+          inherit noSysDirs;
+          binutilsCross = binutilsCross;
+          libcCross = libcCross;
+          profiledCompiler = false;
+          enableMultilib = false;
+          crossStageStatic = false;
+          cross = assert crossSystem != null; crossSystem;
+        });
+        gcc_realCross = gcc48_realCross;
+        gccCrossStageStatic = let
+          libcCross1 = if stdenv.cross.libc == "msvcrt"
+            then windows.mingw_w64_headers
+            else if stdenv.cross.libc == "libSystem"
+              then darwin.xcode
+              else null;
+          in wrapGCCCross {
+            gcc = forceNativeDrv (lib.addMetaAttrs {
+              hydraPlatforms = [ ];
+            } (gcc_realCross.override {
+              crossStageStatic = true;
+              langCC = false;
+              libcCross = libcCross1;
+              enableShared = false;
+            }));
+            libc = libcCross1;
+            binutils = binutilsCross;
+            cross = assert crossSystem != null; crossSystem;
+          };
+        gccCrossMingw2 = wrapGCCCross {
+          gcc = gccCrossStageStatic.gcc;
+          libc = windows.mingw_headers2;
+          binutils = binutilsCross;
+          cross = assert crossSystem != null; crossSystem;
+        };
+        gccCrossStageFinal = wrapGCCCross {
+          gcc = forceNativeDrv (gcc_realCross.override {
+            libpthreadCross = if crossSystem != null && crossSystem.config == "i586-pc-gnu"
+              then gnu.libpthreadCross
+              else null;
+            langCC = crossSystem == null || crossSystem.config != "i686-pc-mingw32";
+          });
+          libc = libcCross;
+          binutils = binutilsCross;
+          cross = assert crossSystem != null; crossSystem;
+        };
+        gcc44 = lowPrio (wrapGCC (makeOverridable (import ../development/compilers/gcc/4.4) {
+          inherit fetchurl stdenv gmp mpfr
+          gettext which noSysDirs;
+          texinfo = texinfo4;
+          profiledCompiler = true;
+        }));
+        gcc45 = lowPrio (wrapGCC (callPackage ../development/compilers/gcc/4.5 {
+          inherit fetchurl stdenv gmp mpfr
+          mpc libelf zlib perl gettext
+          which noSysDirs;
+          texinfo = texinfo4;
+          ppl = null;
+          cloogppl = null;
+          profiledCompiler = !stdenv.isArm;
+          cross = null;
+          libcCross = if crossSystem != null
+            then libcCross
+            else null;
+          libpthreadCross = if crossSystem != null && crossSystem.config == "i586-pc-gnu"
+            then gnu.libpthreadCross
+            else null;
+        }));
+        gcc46 = lowPrio (wrapGCC (callPackage ../development/compilers/gcc/4.6 {
+          inherit noSysDirs;
+          ppl = null;
+          cloog = null;
+          profiledCompiler = false;
+          cross = null;
+          libcCross = if crossSystem != null
+            then libcCross
+            else null;
+          libpthreadCross = if crossSystem != null && crossSystem.config == "i586-pc-gnu"
+            then gnu.libpthreadCross
+            else null;
+          texinfo = texinfo413;
+        }));
+        gcc48 = lowPrio (wrapGCC (callPackage ../development/compilers/gcc/4.8 {
+          inherit noSysDirs;
+          profiledCompiler = with stdenv; !isDarwin && (isi686 || isx86_64);
+          cross = null;
+          libcCross = if crossSystem != null
+            then libcCross
+            else null;
+          libpthreadCross = if crossSystem != null && crossSystem.config == "i586-pc-gnu"
+            then gnu.libpthreadCross
+            else null;
+        }));
+        gcc48_multi = if system == "x86_64-linux"
+          then lowPrio (wrapGCCWith (import ../build-support/gcc-wrapper) glibc_multi (gcc48.gcc.override {
+            stdenv = overrideGCC stdenv (wrapGCCWith (import ../build-support/gcc-wrapper) glibc_multi gcc.gcc);
+            profiledCompiler = false;
+            enableMultilib = true;
+          }))
+          else throw "Multilib gcc not supported on ‘${system}’";
+        gcc48_debug = lowPrio (wrapGCC (callPackage ../development/compilers/gcc/4.8 {
+          stripped = false;
+          inherit noSysDirs;
+          cross = null;
+          libcCross = null;
+          binutilsCross = null;
+        }));
+        gcc49 = lowPrio (wrapGCC (callPackage ../development/compilers/gcc/4.9 {
+          inherit noSysDirs;
+          profiledCompiler = with stdenv; !isDarwin && (isi686 || isx86_64);
+          cross = null;
+          libcCross = if crossSystem != null
+            then libcCross
+            else null;
+          libpthreadCross = if crossSystem != null && crossSystem.config == "i586-pc-gnu"
+            then gnu.libpthreadCross
+            else null;
+        }));
+        gccApple = assert stdenv.isDarwin; wrapGCC (makeOverridable (import ../development/compilers/gcc/4.2-apple64) {
+          inherit fetchurl noSysDirs;
+          profiledCompiler = true;
+          stdenv = allStdenvs.stdenvNative;
+        });
+        gfortran = gfortran48;
+        gfortran48 = wrapGCC (gcc48.gcc.override {
+          name = "gfortran";
+          langFortran = true;
+          langCC = false;
+          langC = false;
+          profiledCompiler = false;
+        });
+        gcj = gcj48;
+        gcj48 = wrapGCC (gcc48.gcc.override {
+          name = "gcj";
+          langJava = true;
+          langFortran = false;
+          langCC = false;
+          langC = false;
+          profiledCompiler = false;
+          inherit zip unzip zlib boehmgc
+          gettext pkgconfig perl;
+          inherit gtk;
+          inherit (gnome) libart_lgpl;
+          inherit (xlibs) libX11 libXt
+          libSM libICE libXtst libXi
+          libXrender libXrandr xproto
+          renderproto xextproto inputproto
+          randrproto;
+        });
+        gnat = gnat45;
+        gnat45 = wrapGCC (gcc45.gcc.override {
+          name = "gnat";
+          langCC = false;
+          langC = true;
+          langAda = true;
+          profiledCompiler = false;
+          inherit gnatboot;
+          cloogppl = null;
+          ppl = null;
+        });
+        gnat46 = wrapGCC (gcc46.gcc.override {
+          name = "gnat";
+          langCC = false;
+          langC = true;
+          langAda = true;
+          profiledCompiler = false;
+          gnatboot = gnat45;
+          ppl = null;
+          cloog = null;
+        });
+        gnatboot = wrapGCC (import ../development/compilers/gnatboot {
+          inherit fetchurl stdenv;
+        });
+        gccgo = gccgo48;
+        gccgo48 = wrapGCC (gcc48.gcc.override {
+          name = "gccgo";
+          langCC = true;
+          langC = true;
+          langGo = true;
+        });
+        ghdl = wrapGCC (import ../development/compilers/gcc/4.3 {
+          inherit stdenv fetchurl gmp mpfr
+          noSysDirs gnat;
+          texinfo = texinfo4;
+          name = "ghdl";
+          langVhdl = true;
+          langCC = false;
+          langC = false;
+          profiledCompiler = false;
+          enableMultilib = false;
+        });
+        ghdl_mcode = callPackage ../development/compilers/ghdl {
+        };
+        gcl = builderDefsPackage ../development/compilers/gcl {
+          inherit mpfr m4 binutils
+          fetchcvs emacs zlib which
+          texinfo;
+          gmp = gmp4;
+          inherit (xlibs) libX11 xproto
+          inputproto libXi libXext
+          xextproto libXt libXaw libXmu;
+          inherit stdenv;
+          texLive = texLiveAggregationFun {
+            paths = [
+              texLive
+              texLiveExtra
+            ];
+          };
+        };
+        jhc = callPackage ../development/compilers/jhc {
+          inherit (haskellPackages_ghc763) ghc
+          binary zlib utf8String readline
+          fgl regexCompat HsSyck random;
+        };
+        gcc-arm-embedded-4_7 = callPackage_i686 ../development/compilers/gcc-arm-embedded {
+          version = "4.7-2013q3-20130916";
+          releaseType = "update";
+          sha256 = "1bd9bi9q80xn2rpy0rn1vvj70rh15kb7dmah0qs4q2rv78fqj40d";
+        };
+        gcc-arm-embedded-4_8 = callPackage_i686 ../development/compilers/gcc-arm-embedded {
+          version = "4.8-2014q1-20140314";
+          releaseType = "update";
+          sha256 = "ce92859550819d4a3d1a6e2672ea64882b30afa2c08cf67fa8e1d93788c2c577";
+        };
+        gcc-arm-embedded = gcc-arm-embedded-4_8;
+        haskell = let
+          pkgs_ = pkgs // {
+            gmp = gmp.override {
+              withStatic = true;
+            };
+          };
+          callPackage = newScope pkgs_;
+          newScope = extra:
+          lib.callPackageWith (pkgs_ // pkgs_.xorg // extra);
+          in callPackage ./haskell-defaults.nix {
+            pkgs = pkgs_;
+            inherit callPackage newScope;
+          };
+        ghc = recurseIntoAttrs (lib.mapAttrs' (name:
+        value:
+        lib.nameValuePair (builtins.substring (builtins.stringLength "packages_") (builtins.stringLength name) name) value.ghc) (lib.filterAttrs (name:
+        value:
+        builtins.substring 0 (builtins.stringLength "packages_") name == "packages_") haskell));
+        haskellPackages = haskellPackages_ghc783;
+        haskellPlatform = haskellPlatformPackages."2013_2_0_0";
+        haskellPackages_ghc6104 = haskell.packages_ghc6104;
+        haskellPackages_ghc6123 = haskell.packages_ghc6123;
+        haskellPackages_ghc704 = haskell.packages_ghc704;
+        haskellPackages_ghc722 = haskell.packages_ghc722;
+        haskellPackages_ghc742 = haskell.packages_ghc742;
+        haskellPackages_ghc763 = haskell.packages_ghc763;
+        haskellPackages_ghc783_no_profiling = recurseIntoAttrs haskell.packages_ghc783.noProfiling;
+        haskellPackages_ghc783_profiling = recurseIntoAttrs haskell.packages_ghc783.profiling;
+        haskellPackages_ghc783 = recurseIntoAttrs haskell.packages_ghc783.highPrio;
+        haskellPackages_ghcHEAD = haskell.packages_ghcHEAD;
+        haskellPlatformPackages = recurseIntoAttrs (import ../development/libraries/haskell/haskell-platform {
+          inherit pkgs;
+        });
+        haxe = callPackage ../development/compilers/haxe {
+        };
+        hhvm = callPackage ../development/compilers/hhvm {
+        };
+        hiphopvm = hhvm;
+        falcon = builderDefsPackage (import ../development/interpreters/falcon) {
+          inherit cmake;
+        };
+        fsharp = callPackage ../development/compilers/fsharp {
+        };
+        go_1_0 = callPackage ../development/compilers/go {
+        };
+        go_1_1 = if stdenv.isDarwin
+          then callPackage ../development/compilers/go/1.1-darwin.nix {
+          }
+          else callPackage ../development/compilers/go/1.1.nix {
+          };
+        go_1_2 = callPackage ../development/compilers/go/1.2.nix {
+        };
+        go_1_3 = callPackage ../development/compilers/go/1.3.nix {
+        };
+        go = go_1_3;
+        gox = callPackage ../development/compilers/go/gox.nix {
+        };
+        gprolog = callPackage ../development/compilers/gprolog {
+        };
+        gwt240 = callPackage ../development/compilers/gwt/2.4.0.nix {
+        };
+        icedtea7_jdk = callPackage ../development/compilers/icedtea rec {
+          jdk = openjdk;
+          jdkPath = "${openjdk}/lib/openjdk";
+        } // { outputs = [ "out" ]; };
+        icedtea7_jre = lib.setName "icedtea7-${lib.getVersion pkgs.icedtea7_jdk.jre}" (lib.addMetaAttrs {
+          description = "Free Java runtime environment based on OpenJDK 7.0 and the IcedTea project";
+        } pkgs.icedtea7_jdk.jre) // {
+          outputs = [ "jre" ];
+        };
+        icedtea7_web = callPackage ../development/compilers/icedtea-web {
+          jdk = "${icedtea7_jdk}/lib/icedtea";
+        };
+        ikarus = callPackage ../development/compilers/ikarus {
+        };
+        hugs = callPackage ../development/compilers/hugs {
+        };
+        path64 = callPackage ../development/compilers/path64 {
+        };
+        openjdk = if stdenv.isDarwin
+          then callPackage ../development/compilers/openjdk-darwin {
+          }
+          else let
+            openjdkBootstrap = callPackage ../development/compilers/openjdk/bootstrap.nix {
+            };
+            in callPackage ../development/compilers/openjdk {
+              jdk = openjdkBootstrap;
+            } // { outputs = [ "out" ]; };
+        openjre = lib.setName "openjre-${lib.getVersion pkgs.openjdk.jre}" (lib.addMetaAttrs {
+          description = "The open-source Java Runtime Environment";
+        } pkgs.openjdk.jre) // {
+          outputs = [ "jre" ];
+        };
+        jdk = if stdenv.isDarwin || stdenv.system == "i686-linux" || stdenv.system == "x86_64-linux"
+          then pkgs.openjdk
+          else pkgs.oraclejdk;
+        jre = if stdenv.isDarwin || stdenv.system == "i686-linux" || stdenv.system == "x86_64-linux"
+          then pkgs.openjre
+          else pkgs.oraclejre;
+        oraclejdk = pkgs.jdkdistro true false;
+        oraclejdk7 = pkgs.oraclejdk7distro true false;
+        oraclejdk8 = pkgs.oraclejdk8distro true false;
+        oraclejre = lowPrio (pkgs.jdkdistro false false);
+        oraclejre7 = lowPrio (pkgs.oraclejdk7distro false false);
+        oraclejre8 = lowPrio (pkgs.oraclejdk8distro false false);
+        jrePlugin = lowPrio (pkgs.jdkdistro false true);
+        supportsJDK = system == "i686-linux" || system == "x86_64-linux";
+        jdkdistro = installjdk:
+        pluginSupport:
+        assert supportsJDK; (if pluginSupport
+          then appendToName "with-plugin"
+          else x:
+          x) (callPackage ../development/compilers/oraclejdk/jdk6-linux.nix {
+        });
+        oraclejdk7distro = installjdk:
+        pluginSupport:
+        assert supportsJDK; (if pluginSupport
+          then appendToName "with-plugin"
+          else x:
+          x) (callPackage ../development/compilers/oraclejdk/jdk7-linux.nix {
+          inherit installjdk;
+        });
+        oraclejdk8distro = installjdk:
+        pluginSupport:
+        assert supportsJDK; (if pluginSupport
+          then appendToName "with-plugin"
+          else x:
+          x) (callPackage ../development/compilers/oraclejdk/jdk8-linux.nix {
+          inherit installjdk;
+        });
+        jikes = callPackage ../development/compilers/jikes {
+        };
+        juliaGit = callPackage ../development/compilers/julia/git-20131013.nix {
+          liblapack = liblapack.override {
+            shared = true;
+          };
+          llvm = llvm_33;
+        };
+        julia021 = callPackage ../development/compilers/julia/0.2.1.nix {
+          liblapack = liblapack.override {
+            shared = true;
+          };
+          llvm = llvm_33;
+        };
+        julia030 = let
+          liblapack = liblapack_3_5_0.override {
+            shared = true;
+          };
+          in callPackage ../development/compilers/julia/0.3.0.nix {
+            inherit liblapack;
+            suitesparse = suitesparse.override {
+              inherit liblapack;
+            };
+            openblas = openblas_0_2_10;
+            llvm = llvm_34;
+          };
+        julia = julia021;
+        lazarus = builderDefsPackage (import ../development/compilers/fpc/lazarus.nix) {
+          inherit makeWrapper gtk glib
+          pango atk gdk_pixbuf;
+          inherit (xlibs) libXi inputproto
+          libX11 xproto libXext xextproto;
+          fpc = fpc;
+        };
+        lessc = callPackage ../development/compilers/lessc {
+        };
+        llvm = llvmPackages.llvm;
+        llvm_34 = llvmPackages_34.llvm;
+        llvm_33 = llvm_v ../development/compilers/llvm/3.3/llvm.nix;
+        llvm_v = path:
+        callPackage path {
+          stdenv = if stdenv.isDarwin
+            then stdenvApple
+            else stdenv;
+        };
+        llvmPackages = if !stdenv.isDarwin
+          then llvmPackages_34
+          else llvmPackages_34 // {
+            llvm = llvm_33;
+            clang = clang_33;
+          };
+        llvmPackages_34 = recurseIntoAttrs (import ../development/compilers/llvm/3.4 {
+          inherit stdenv newScope
+          fetchurl;
+          isl = isl_0_12;
+        });
+        llvmPackagesSelf = import ../development/compilers/llvm/3.4 {
+          inherit newScope fetchurl;
+          isl = isl_0_12;
+          stdenv = libcxxStdenv;
+        };
+        manticore = callPackage ../development/compilers/manticore {
+        };
+        mentorToolchains = recurseIntoAttrs (callPackage_i686 ../development/compilers/mentor {
+        });
+        mercury = callPackage ../development/compilers/mercury {
+        };
+        mitscheme = callPackage ../development/compilers/mit-scheme {
+        };
+        mlton = callPackage ../development/compilers/mlton {
+        };
+        mono = callPackage ../development/compilers/mono {
+          inherit (xlibs) libX11;
+        };
+        monoDLLFixer = callPackage ../build-support/mono-dll-fixer {
+        };
+        mozart = callPackage ../development/compilers/mozart {
+        };
+        neko = callPackage ../development/compilers/neko {
+        };
+        nasm = callPackage ../development/compilers/nasm {
+        };
+        nvidia_cg_toolkit = callPackage ../development/compilers/nvidia-cg-toolkit {
+        };
+        ocaml = ocamlPackages.ocaml;
+        ocaml_3_08_0 = callPackage ../development/compilers/ocaml/3.08.0.nix {
+        };
+        ocaml_3_10_0 = callPackage ../development/compilers/ocaml/3.10.0.nix {
+        };
+        ocaml_3_11_2 = callPackage ../development/compilers/ocaml/3.11.2.nix {
+        };
+        ocaml_3_12_1 = callPackage ../development/compilers/ocaml/3.12.1.nix {
+        };
+        ocaml_4_00_1 = callPackage ../development/compilers/ocaml/4.00.1.nix {
+        };
+        ocaml_4_01_0 = callPackage ../development/compilers/ocaml/4.01.0.nix {
+        };
+        orc = callPackage ../development/compilers/orc {
+        };
+        metaocaml_3_09 = callPackage ../development/compilers/ocaml/metaocaml-3.09.nix {
+        };
+        ber_metaocaml_003 = callPackage ../development/compilers/ocaml/ber-metaocaml-003.nix {
+        };
+        mkOcamlPackages = ocaml: self:
+        let
+          callPackage = newScope self;
+          in rec {
+            inherit ocaml;
+            camlidl = callPackage ../development/tools/ocaml/camlidl {
+            };
+            camlp5_5_strict = callPackage ../development/tools/ocaml/camlp5/5.15.nix {
+            };
+            camlp5_5_transitional = callPackage ../development/tools/ocaml/camlp5/5.15.nix {
+              transitional = true;
+            };
+            camlp5_6_strict = callPackage ../development/tools/ocaml/camlp5 {
+            };
+            camlp5_6_transitional = callPackage ../development/tools/ocaml/camlp5 {
+              transitional = true;
+            };
+            camlp5_strict = camlp5_6_strict;
+            camlp5_transitional = camlp5_6_transitional;
+            camlzip = callPackage ../development/ocaml-modules/camlzip {
+            };
+            camomile_0_8_2 = callPackage ../development/ocaml-modules/camomile/0.8.2.nix {
+            };
+            camomile = callPackage ../development/ocaml-modules/camomile {
+            };
+            camlimages = callPackage ../development/ocaml-modules/camlimages {
+              libpng = libpng12;
+              giflib = giflib_4_1;
+            };
+            biniou = callPackage ../development/ocaml-modules/biniou {
+            };
+            ocaml_cairo = callPackage ../development/ocaml-modules/ocaml-cairo {
+            };
+            cppo = callPackage ../development/tools/ocaml/cppo {
+            };
+            cryptokit = callPackage ../development/ocaml-modules/cryptokit {
+            };
+            csv = callPackage ../development/ocaml-modules/csv {
+            };
+            deriving = callPackage ../development/tools/ocaml/deriving {
+            };
+            easy-format = callPackage ../development/ocaml-modules/easy-format {
+            };
+            findlib = callPackage ../development/tools/ocaml/findlib {
+            };
+            javalib = callPackage ../development/ocaml-modules/javalib {
+              extlib = ocaml_extlib_maximal;
+            };
+            dypgen = callPackage ../development/ocaml-modules/dypgen {
+            };
+            patoline = callPackage ../tools/typesetting/patoline {
+            };
+            gmetadom = callPackage ../development/ocaml-modules/gmetadom {
+            };
+            lablgl = callPackage ../development/ocaml-modules/lablgl {
+            };
+            lablgtk = callPackage ../development/ocaml-modules/lablgtk {
+              inherit (gnome) libgnomecanvas
+              libglade gtksourceview;
+            };
+            lablgtkmathview = callPackage ../development/ocaml-modules/lablgtkmathview {
+              gtkmathview = callPackage ../development/libraries/gtkmathview {
+              };
+            };
+            menhir = callPackage ../development/ocaml-modules/menhir {
+            };
+            merlin = callPackage ../development/tools/ocaml/merlin {
+            };
+            mldonkey = callPackage ../applications/networking/p2p/mldonkey {
+            };
+            mlgmp = callPackage ../development/ocaml-modules/mlgmp {
+            };
+            ocaml_batteries = callPackage ../development/ocaml-modules/batteries {
+            };
+            ocaml_cryptgps = callPackage ../development/ocaml-modules/cryptgps {
+            };
+            ocaml_data_notation = callPackage ../development/ocaml-modules/odn {
+            };
+            ocaml_expat = callPackage ../development/ocaml-modules/expat {
+            };
+            ocamlgraph = callPackage ../development/ocaml-modules/ocamlgraph {
+            };
+            ocaml_http = callPackage ../development/ocaml-modules/http {
+            };
+            ocamlify = callPackage ../development/tools/ocaml/ocamlify {
+            };
+            ocaml_lwt = callPackage ../development/ocaml-modules/lwt {
+            };
+            ocamlmod = callPackage ../development/tools/ocaml/ocamlmod {
+            };
+            ocaml_mysql = callPackage ../development/ocaml-modules/mysql {
+            };
+            ocamlnet = callPackage ../development/ocaml-modules/ocamlnet {
+            };
+            ocaml_oasis = callPackage ../development/tools/ocaml/oasis {
+            };
+            ocaml_pcre = callPackage ../development/ocaml-modules/pcre {
+              inherit pcre;
+            };
+            ocaml_react = callPackage ../development/ocaml-modules/react {
+            };
+            ocamlsdl = callPackage ../development/ocaml-modules/ocamlsdl {
+            };
+            ocaml_sqlite3 = callPackage ../development/ocaml-modules/sqlite3 {
+            };
+            ocaml_ssl = callPackage ../development/ocaml-modules/ssl {
+            };
+            ounit = callPackage ../development/ocaml-modules/ounit {
+            };
+            ulex = callPackage ../development/ocaml-modules/ulex {
+            };
+            ulex08 = callPackage ../development/ocaml-modules/ulex/0.8 {
+              camlp5 = camlp5_transitional;
+            };
+            ocaml_typeconv = callPackage ../development/ocaml-modules/typeconv {
+            };
+            ocaml_typeconv_3_0_5 = callPackage ../development/ocaml-modules/typeconv/3.0.5.nix {
+            };
+            ocaml_sexplib = callPackage ../development/ocaml-modules/sexplib {
+            };
+            ocaml_extlib = callPackage ../development/ocaml-modules/extlib {
+            };
+            ocaml_extlib_maximal = callPackage ../development/ocaml-modules/extlib {
+              minimal = false;
+            };
+            pycaml = callPackage ../development/ocaml-modules/pycaml {
+            };
+            opam_1_0_0 = callPackage ../development/tools/ocaml/opam/1.0.0.nix {
+            };
+            opam_1_1 = callPackage ../development/tools/ocaml/opam/1.1.nix {
+            };
+            opam = opam_1_1;
+            sawja = callPackage ../development/ocaml-modules/sawja {
+            };
+            uucd = callPackage ../development/ocaml-modules/uucd {
+            };
+            uunf = callPackage ../development/ocaml-modules/uunf {
+            };
+            uutf = callPackage ../development/ocaml-modules/uutf {
+            };
+            xmlm = callPackage ../development/ocaml-modules/xmlm {
+            };
+            yojson = callPackage ../development/ocaml-modules/yojson {
+            };
+            zarith = callPackage ../development/ocaml-modules/zarith {
+            };
+          };
+        ocamlPackages = recurseIntoAttrs ocamlPackages_4_01_0;
+        ocamlPackages_3_10_0 = mkOcamlPackages ocaml_3_10_0 pkgs.ocamlPackages_3_10_0;
+        ocamlPackages_3_11_2 = mkOcamlPackages ocaml_3_11_2 pkgs.ocamlPackages_3_11_2;
+        ocamlPackages_3_12_1 = mkOcamlPackages ocaml_3_12_1 pkgs.ocamlPackages_3_12_1;
+        ocamlPackages_4_00_1 = mkOcamlPackages ocaml_4_00_1 pkgs.ocamlPackages_4_00_1;
+        ocamlPackages_4_01_0 = mkOcamlPackages ocaml_4_01_0 pkgs.ocamlPackages_4_01_0;
+        ocamlPackages_latest = ocamlPackages_4_01_0;
+        ocaml_make = callPackage ../development/ocaml-modules/ocamlmake {
+        };
+        opa = let
+          callPackage = newScope pkgs.ocamlPackages_4_00_1;
+          in callPackage ../development/compilers/opa {
+          };
+        ocamlnat = let
+          callPackage = newScope pkgs.ocamlPackages_3_12_1;
+          in callPackage ../development/ocaml-modules/ocamlnat {
+          };
+        qcmm = callPackage ../development/compilers/qcmm {
+          lua = lua4;
+          ocaml = ocaml_3_08_0;
+        };
+        roadsend = callPackage ../development/compilers/roadsend {
+        };
+        rustc = callPackage ../development/compilers/rustc/0.11.nix {
+        };
+        rustcMaster = callPackage ../development/compilers/rustc/head.nix {
+        };
+        rust = rustc;
+        sbclBootstrap = callPackage ../development/compilers/sbcl/bootstrap.nix {
+        };
+        sbcl = callPackage ../development/compilers/sbcl {
+          clisp = clisp;
+        };
+        scala_2_9 = callPackage ../development/compilers/scala/2.9.nix {
+        };
+        scala_2_10 = callPackage ../development/compilers/scala/2.10.nix {
+        };
+        scala_2_11 = callPackage ../development/compilers/scala {
+        };
+        scala = scala_2_11;
+        sdcc = callPackage ../development/compilers/sdcc {
+        };
+        smlnjBootstrap = callPackage ../development/compilers/smlnj/bootstrap.nix {
+        };
+        smlnj = callPackage_i686 ../development/compilers/smlnj {
+        };
+        stalin = callPackage ../development/compilers/stalin {
+        };
+        strategoPackages = recurseIntoAttrs strategoPackages018;
+        strategoPackages016 = callPackage ../development/compilers/strategoxt/0.16.nix {
+          stdenv = overrideInStdenv stdenv [
+            gnumake380
+          ];
+        };
+        strategoPackages017 = callPackage ../development/compilers/strategoxt/0.17.nix {
+          readline = readline5;
+        };
+        strategoPackages018 = callPackage ../development/compilers/strategoxt/0.18.nix {
+          readline = readline5;
+        };
+        metaBuildEnv = callPackage ../development/compilers/meta-environment/meta-build-env {
+        };
+        swiProlog = callPackage ../development/compilers/swi-prolog {
+        };
+        tbb = callPackage ../development/libraries/tbb {
+        };
+        tinycc = callPackage ../development/compilers/tinycc {
+        };
+        urweb = callPackage ../development/compilers/urweb {
+        };
+        vala = callPackage ../development/compilers/vala/default.nix {
+        };
+        visualcpp = callPackage ../development/compilers/visual-c++ {
+        };
+        vs90wrapper = callPackage ../development/compilers/vs90wrapper {
+        };
+        webdsl = callPackage ../development/compilers/webdsl {
+        };
+        win32hello = callPackage ../development/compilers/visual-c++/test {
+        };
+        wrapGCCWith = gccWrapper: glibc:
+        baseGCC: gccWrapper {
+          nativeTools = stdenv ? gcc && stdenv.gcc.nativeTools;
+          nativeLibc = stdenv ? gcc && stdenv.gcc.nativeLibc;
+          nativePrefix = if stdenv ? gcc
+            then stdenv.gcc.nativePrefix
+            else "";
+          gcc = baseGCC;
+          libc = glibc;
+          shell = bash;
+          inherit stdenv binutils
+          coreutils zlib;
+        };
+        wrapClangWith = clangWrapper:
+        glibc: baseClang: clangWrapper {
+          nativeTools = stdenv.gcc.nativeTools or false;
+          nativeLibc = stdenv.gcc.nativeLibc or false;
+          nativePrefix = stdenv.gcc.nativePrefix or "";
+          clang = baseClang;
+          libc = glibc;
+          shell = bash;
+          binutils = stdenv.gcc.binutils;
+          inherit stdenv coreutils zlib;
+        };
+        wrapClang = wrapClangWith (makeOverridable (import ../build-support/clang-wrapper)) glibc;
+        wrapGCC = wrapGCCWith (makeOverridable (import ../build-support/gcc-wrapper)) glibc;
+        wrapGCCCross = { binutils, cross, gcc, libc, name ? "gcc-cross-wrapper", shell ? "" }:
+        forceNativeDrv (import ../build-support/gcc-cross-wrapper {
+          nativeTools = false;
+          nativeLibc = false;
+          noLibc = libc == null;
+          inherit stdenv gcc binutils libc
+          shell name cross;
+        });
+        yap = callPackage ../development/compilers/yap {
+        };
+        yasm = callPackage ../development/compilers/yasm {
+        };
+        acl2 = builderDefsPackage ../development/interpreters/acl2 {
+          inherit sbcl;
+        };
+        angelscript = callPackage ../development/interpreters/angelscript {
+        };
+        clisp = callPackage ../development/interpreters/clisp {
+        };
+        clisp_2_44_1 = callPackage ../development/interpreters/clisp/2.44.1.nix {
+          libsigsegv = libsigsegv_25;
+        };
+        clojure = callPackage ../development/interpreters/clojure {
+        };
+        clooj = callPackage ../development/interpreters/clojure/clooj.nix {
+        };
+        erlangR14 = callPackage ../development/interpreters/erlang/R14.nix {
+        };
+        erlangR15 = callPackage ../development/interpreters/erlang/R15.nix {
+        };
+        erlangR16 = callPackage ../development/interpreters/erlang/R16.nix {
+        };
+        erlangR17 = callPackage ../development/interpreters/erlang/R17.nix {
+        };
+        erlang = erlangR17;
+        rebar = callPackage ../development/tools/build-managers/rebar {
+        };
+        elixir = callPackage ../development/interpreters/elixir {
+        };
+        groovy = callPackage ../development/interpreters/groovy {
+        };
+        guile_1_8 = callPackage ../development/interpreters/guile/1.8.nix {
+        };
+        guile_2_0 = callPackage ../development/interpreters/guile {
+        };
+        guile = guile_2_0;
+        hadoop = callPackage ../applications/networking/cluster/hadoop {
+        };
+        io = callPackage ../development/interpreters/io {
+        };
+        j = callPackage ../development/interpreters/j {
+        };
+        jmeter = callPackage ../applications/networking/jmeter {
+        };
+        davmail = callPackage ../applications/networking/davmail {
+        };
+        lxappearance = callPackage ../applications/misc/lxappearance {
+        };
+        kona = callPackage ../development/interpreters/kona {
+        };
+        love = callPackage ../development/interpreters/love {
+          lua = lua5;
+        };
+        love_luajit = callPackage ../development/interpreters/love {
+          lua = luajit;
+        };
+        love_0_9 = callPackage ../development/interpreters/love/0.9.nix {
+        };
+        lua4 = callPackage ../development/interpreters/lua-4 {
+        };
+        lua5_0 = callPackage ../development/interpreters/lua-5/5.0.3.nix {
+        };
+        lua5_1 = callPackage ../development/interpreters/lua-5/5.1.nix {
+        };
+        lua5_2 = callPackage ../development/interpreters/lua-5/5.2.nix {
+        };
+        lua5_2_compat = callPackage ../development/interpreters/lua-5/5.2.nix {
+          compat = true;
+        };
+        lua5 = lua5_1;
+        lua = lua5;
+        lua5_sockets = callPackage ../development/interpreters/lua-5/sockets.nix {
+        };
+        lua5_expat = callPackage ../development/interpreters/lua-5/expat.nix {
+        };
+        lua5_filesystem = callPackage ../development/interpreters/lua-5/filesystem.nix {
+        };
+        lua5_sec = callPackage ../development/interpreters/lua-5/sec.nix {
+        };
+        luarocks = callPackage ../development/tools/misc/luarocks {
+          lua = lua5;
+        };
+        luajit = callPackage ../development/interpreters/luajit {
+        };
+        lush2 = callPackage ../development/interpreters/lush {
+        };
+        maude = callPackage ../development/interpreters/maude {
+          bison = bison2;
+          flex = flex_2_5_35;
+        };
+        mesos = callPackage ../applications/networking/cluster/mesos {
+          sasl = cyrus_sasl;
+          automake = automake114x;
+          inherit (pythonPackages) python
+          boto setuptools distutils-cfg
+          wrapPython;
+          pythonProtobuf = pythonPackages.protobuf;
+        };
+        octave = callPackage ../development/interpreters/octave {
+          fltk = fltk13;
+          qt = null;
+          ghostscript = null;
+          llvm = null;
+          hdf5 = null;
+          glpk = null;
+          suitesparse = null;
+          openjdk = null;
+          gnuplot = null;
+          readline = readline63;
+        };
+        octaveFull = lowPrio (callPackage ../development/interpreters/octave {
+          fltk = fltk13;
+          qt = qt4;
+        });
+        octaveHG = callPackage ../development/interpreters/octave/hg.nix {
+        };
+        ocropus = callPackage ../applications/misc/ocropus {
+        };
+        perl514 = callPackage ../development/interpreters/perl/5.14 {
+        };
+        perl516 = callPackage ../development/interpreters/perl/5.16 {
+          fetchurl = fetchurlBoot;
+        };
+        perl520 = callPackage ../development/interpreters/perl/5.20 {
+        };
+        perl = if system != "i686-cygwin"
+          then perl516
+          else sysPerl;
+        php = php54;
+        phpPackages = recurseIntoAttrs (import ./php-packages.nix {
+          inherit php pkgs;
+        });
+        php53 = callPackage ../development/interpreters/php/5.3.nix {
+        };
+        php_fpm53 = callPackage ../development/interpreters/php/5.3.nix {
+          config = config // {
+            php = (config.php or { }) // {
+              fpm = true;
+              apxs2 = false;
+            };
+          };
+        };
+        php54 = callPackage ../development/interpreters/php/5.4.nix {
+        };
+        picolisp = callPackage ../development/interpreters/picolisp {
+        };
+        pltScheme = racket;
+        polyml = callPackage ../development/compilers/polyml {
+        };
+        pure = callPackage ../development/interpreters/pure {
+          llvm = llvm_33;
+        };
+        python = python2;
+        python2 = python27;
+        python3 = python34;
+        pythonPackages = python2Packages;
+        python2Packages = python27Packages;
+        python3Packages = python34Packages;
+        pythonFull = python2Full;
+        python2Full = python27Full;
+        python26 = callPackage ../development/interpreters/python/2.6 {
+          db = db47;
+        };
+        python27 = callPackage ../development/interpreters/python/2.7 {
+        };
+        python32 = callPackage ../development/interpreters/python/3.2 {
+        };
+        python33 = callPackage ../development/interpreters/python/3.3 {
+        };
+        python34 = hiPrio (callPackage ../development/interpreters/python/3.4 {
+        });
+        pypy = callPackage ../development/interpreters/pypy/2.3 {
+        };
+        python26Full = callPackage ../development/interpreters/python/wrapper.nix {
+          extraLibs = [ ];
+          postBuild = "";
+          python = python26;
+          inherit (python26Packages) recursivePthLoader;
+        };
+        python27Full = callPackage ../development/interpreters/python/wrapper.nix {
+          extraLibs = [ ];
+          postBuild = "";
+          python = python27;
+          inherit (python27Packages) recursivePthLoader;
+        };
+        pythonDocs = recurseIntoAttrs (import ../development/interpreters/python/docs {
+          inherit stdenv fetchurl lib;
+        });
+        pythonLinkmeWrapper = callPackage ../development/interpreters/python/python-linkme-wrapper.nix {
+        };
+        pypi2nix = python27Packages.pypi2nix;
+        pyrex = pyrex095;
+        pyrex095 = callPackage ../development/interpreters/pyrex/0.9.5.nix {
+        };
+        pyrex096 = callPackage ../development/interpreters/pyrex/0.9.6.nix {
+        };
+        qi = callPackage ../development/compilers/qi {
+        };
+        racket = callPackage ../development/interpreters/racket {
+        };
+        rakudo = callPackage ../development/interpreters/rakudo {
+        };
+        rascal = callPackage ../development/interpreters/rascal {
+        };
+        regina = callPackage ../development/interpreters/regina {
+        };
+        renpy = callPackage ../development/interpreters/renpy {
+          wrapPython = pythonPackages.wrapPython;
+        };
+        ruby18 = callPackage ../development/interpreters/ruby/ruby-18.nix {
+        };
+        ruby19 = callPackage ../development/interpreters/ruby/ruby-19.nix {
+        };
+        ruby2 = lowPrio (callPackage ../development/interpreters/ruby/ruby-2.0.nix {
+        });
+        ruby = ruby19;
+        rubyLibs = recurseIntoAttrs (callPackage ../development/interpreters/ruby/libs.nix {
+        });
+        rake = rubyLibs.rake;
+        rubySqlite3 = callPackage ../development/ruby-modules/sqlite3 {
+        };
+        rubygemsFun = ruby:
+        builderDefsPackage (import ../development/interpreters/ruby/rubygems.nix) {
+          inherit ruby makeWrapper;
+        };
+        rubygems = hiPrio (rubygemsFun ruby);
+        rq = callPackage ../applications/networking/cluster/rq {
+        };
+        scsh = callPackage ../development/interpreters/scsh {
+        };
+        scheme48 = callPackage ../development/interpreters/scheme48 {
+        };
+        spark = callPackage ../applications/networking/cluster/spark {
+        };
+        spidermonkey = callPackage ../development/interpreters/spidermonkey {
+        };
+        spidermonkey_1_8_0rc1 = callPackage ../development/interpreters/spidermonkey/1.8.0-rc1.nix {
+        };
+        spidermonkey_185 = callPackage ../development/interpreters/spidermonkey/185-1.0.0.nix {
+        };
+        spidermonkey_17 = callPackage ../development/interpreters/spidermonkey/17.0.nix {
+        };
+        spidermonkey_24 = callPackage ../development/interpreters/spidermonkey/24.2.nix {
+        };
+        supercollider = callPackage ../development/interpreters/supercollider {
+          qt = qt4;
+          fftw = fftwSinglePrec;
+        };
+        supercollider_scel = supercollider.override {
+          useSCEL = true;
+        };
+        sysPerl = callPackage ../development/interpreters/perl/sys-perl {
+        };
+        tcl = callPackage ../development/interpreters/tcl {
+        };
+        xulrunner = callPackage ../development/interpreters/xulrunner {
+          inherit (gnome) libIDL;
+          inherit (pythonPackages) pysqlite;
+        };
+        xulrunner_30 = firefox30Pkgs.xulrunner;
+        amdadlsdk = callPackage ../development/misc/amdadl-sdk {
+        };
+        amdappsdk26 = callPackage ../development/misc/amdapp-sdk {
+          version = "2.6";
+        };
+        amdappsdk27 = callPackage ../development/misc/amdapp-sdk {
+          version = "2.7";
+        };
+        amdappsdk28 = callPackage ../development/misc/amdapp-sdk {
+          version = "2.8";
+        };
+        amdappsdk = amdappsdk28;
+        amdappsdkFull = callPackage ../development/misc/amdapp-sdk {
+          version = "2.8";
+          samples = true;
+        };
+        avrgcclibc = callPackage ../development/misc/avr-gcc-with-avr-libc {
+          gcc = gcc46;
+          stdenv = overrideGCC stdenv gcc46;
+        };
+        avr8burnomat = callPackage ../development/misc/avr8-burn-omat {
+        };
+        sourceFromHead = import ../build-support/source-from-head-fun.nix {
+          inherit config;
+        };
+        ecj = callPackage ../development/eclipse/ecj {
+        };
+        jdtsdk = callPackage ../development/eclipse/jdt-sdk {
+        };
+        jruby165 = callPackage ../development/interpreters/jruby {
+        };
+        guileCairo = callPackage ../development/guile-modules/guile-cairo {
+        };
+        guileGnome = callPackage ../development/guile-modules/guile-gnome {
+          gconf = gnome.GConf;
+          inherit (gnome) gnome_vfs
+          libglade libgnome libgnomecanvas
+          libgnomeui;
+        };
+        guile_lib = callPackage ../development/guile-modules/guile-lib {
+        };
+        guile_ncurses = callPackage ../development/guile-modules/guile-ncurses {
+        };
+        guile-xcb = callPackage ../development/guile-modules/guile-xcb {
+        };
+        pharo-vm = callPackage_i686 ../development/pharo/vm {
+        };
+        srecord = callPackage ../development/tools/misc/srecord {
+        };
+        windowssdk = import ../development/misc/windows-sdk {
+          inherit fetchurl stdenv
+          cabextract;
+        };
+        ansible = callPackage ../tools/system/ansible {
+        };
+        antlr = callPackage ../development/tools/parsing/antlr/2.7.7.nix {
+        };
+        antlr3 = callPackage ../development/tools/parsing/antlr {
+        };
+        ant = apacheAnt;
+        apacheAnt = callPackage ../development/tools/build-managers/apache-ant {
+        };
+        astyle = callPackage ../development/tools/misc/astyle {
+        };
+        autobuild = callPackage ../development/tools/misc/autobuild {
+        };
+        autoconf = callPackage ../development/tools/misc/autoconf {
+        };
+        autoconf213 = callPackage ../development/tools/misc/autoconf/2.13.nix {
+        };
+        autocutsel = callPackage ../tools/X11/autocutsel {
+        };
+        automake = automake112x;
+        automake111x = callPackage ../development/tools/misc/automake/automake-1.11.x.nix {
+        };
+        automake112x = callPackage ../development/tools/misc/automake/automake-1.12.x.nix {
+        };
+        automake113x = callPackage ../development/tools/misc/automake/automake-1.13.x.nix {
+        };
+        automake114x = callPackage ../development/tools/misc/automake/automake-1.14.x.nix {
+        };
+        automoc4 = callPackage ../development/tools/misc/automoc4 {
+        };
+        avrdude = callPackage ../development/tools/misc/avrdude {
+        };
+        avarice = callPackage ../development/tools/misc/avarice {
+        };
+        babeltrace = callPackage ../development/tools/misc/babeltrace {
+        };
+        bam = callPackage ../development/tools/build-managers/bam {
+        };
+        binutils = callPackage ../development/tools/misc/binutils {
+          inherit noSysDirs;
+        };
+        binutils_nogold = lowPrio (callPackage ../development/tools/misc/binutils {
+          inherit noSysDirs;
+          gold = false;
+        });
+        binutilsCross = if crossSystem != null && crossSystem.libc == "libSystem"
+          then darwin.cctools
+          else lowPrio (forceNativeDrv (import ../development/tools/misc/binutils {
+            inherit stdenv fetchurl zlib
+            bison;
+            noSysDirs = true;
+            cross = assert crossSystem != null; crossSystem;
+          }));
+        bison2 = callPackage ../development/tools/parsing/bison/2.x.nix {
+        };
+        bison3 = callPackage ../development/tools/parsing/bison/3.x.nix {
+        };
+        bison = bison3;
+        buildbot = callPackage ../development/tools/build-managers/buildbot {
+          inherit (pythonPackages) twisted
+          jinja2 sqlalchemy
+          sqlalchemy_migrate;
+          dateutil = pythonPackages.dateutil_1_5;
+        };
+        buildbotSlave = callPackage ../development/tools/build-managers/buildbot-slave {
+          inherit (pythonPackages) twisted;
+        };
+        byacc = callPackage ../development/tools/parsing/byacc {
+        };
+        casperjs = callPackage ../development/tools/casperjs {
+        };
+        cbrowser = callPackage ../development/tools/misc/cbrowser {
+        };
+        ccache = callPackage ../development/tools/misc/ccache {
+        };
+        ccacheWrapper = makeOverridable ({ extraConfig ? "" }:
+        wrapGCC (ccache.links extraConfig)) {
+        };
+        ccacheStdenv = lowPrio (overrideGCC stdenv ccacheWrapper);
+        cccc = callPackage ../development/tools/analysis/cccc {
+        };
+        cgdb = callPackage ../development/tools/misc/cgdb {
+        };
+        chromedriver = callPackage ../development/tools/selenium/chromedriver {
+          gconf = gnome.GConf;
+        };
+        chrpath = callPackage ../development/tools/misc/chrpath {
+        };
+        "cl-launch" = callPackage ../development/tools/misc/cl-launch {
+        };
+        complexity = callPackage ../development/tools/misc/complexity {
+        };
+        ctags = callPackage ../development/tools/misc/ctags {
+        };
+        ctagsWrapped = import ../development/tools/misc/ctags/wrapped.nix {
+          inherit pkgs ctags
+          writeScriptBin;
+        };
+        cmake = callPackage ../development/tools/build-managers/cmake {
+        };
+        cmake264 = callPackage ../development/tools/build-managers/cmake/264.nix {
+        };
+        cmakeCurses = cmake.override {
+          useNcurses = true;
+        };
+        cmakeWithGui = cmakeCurses.override {
+          useQt4 = true;
+        };
+        coccinelle = callPackage ../development/tools/misc/coccinelle {
+        };
+        framac = callPackage ../development/tools/analysis/frama-c {
+        };
+        cppi = callPackage ../development/tools/misc/cppi {
+        };
+        cproto = callPackage ../development/tools/misc/cproto {
+        };
+        cflow = callPackage ../development/tools/misc/cflow {
+        };
+        cov-build = callPackage ../development/tools/analysis/cov-build {
+        };
+        cppcheck = callPackage ../development/tools/analysis/cppcheck {
+        };
+        cscope = callPackage ../development/tools/misc/cscope {
+        };
+        csslint = callPackage ../development/web/csslint {
+        };
+        libcxx = callPackage ../development/libraries/libc++ {
+          stdenv = pkgs.clangStdenv;
+        };
+        libcxxabi = callPackage ../development/libraries/libc++abi {
+          stdenv = pkgs.clangStdenv;
+        };
+        libsigrok = callPackage ../development/tools/libsigrok {
+        };
+        libsigrokdecode = callPackage ../development/tools/libsigrokdecode {
+        };
+        dejagnu = callPackage ../development/tools/misc/dejagnu {
+        };
+        dfeet = callPackage ../development/tools/misc/d-feet {
+          inherit (pythonPackages) pep8;
+        };
+        dfu-programmer = callPackage ../development/tools/misc/dfu-programmer {
+        };
+        ddd = callPackage ../development/tools/misc/ddd {
+        };
+        distcc = callPackage ../development/tools/misc/distcc {
+        };
+        distccWrapper = makeOverridable ({ extraConfig ? "" }:
+        wrapGCC (distcc.links extraConfig)) {
+        };
+        distccStdenv = lowPrio (overrideGCC stdenv distccWrapper);
+        distccMasquerade = callPackage ../development/tools/misc/distcc/masq.nix {
+          gccRaw = gcc.gcc;
+          binutils = binutils;
+        };
+        docutils = builderDefsPackage (import ../development/tools/documentation/docutils) {
+          inherit python pil makeWrapper;
+        };
+        doxygen = callPackage ../development/tools/documentation/doxygen {
+          qt4 = null;
+        };
+        doxygen_gui = lowPrio (doxygen.override {
+          inherit qt4;
+        });
+        drush = callPackage ../development/tools/misc/drush {
+        };
+        eggdbus = callPackage ../development/tools/misc/eggdbus {
+        };
+        elfutils = callPackage ../development/tools/misc/elfutils {
+        };
+        epm = callPackage ../development/tools/misc/epm {
+        };
+        emma = callPackage ../development/tools/analysis/emma {
+        };
+        findbugs = callPackage ../development/tools/analysis/findbugs {
+        };
+        pmd = callPackage ../development/tools/analysis/pmd {
+        };
+        jdepend = callPackage ../development/tools/analysis/jdepend {
+        };
+        checkstyle = callPackage ../development/tools/analysis/checkstyle {
+        };
+        flex_2_5_35 = callPackage ../development/tools/parsing/flex/2.5.35.nix {
+        };
+        flex_2_5_39 = callPackage ../development/tools/parsing/flex/2.5.39.nix {
+        };
+        flex = flex_2_5_39;
+        m4 = gnum4;
+        global = callPackage ../development/tools/misc/global {
+        };
+        gnome_doc_utils = callPackage ../development/tools/documentation/gnome-doc-utils {
+        };
+        gnum4 = callPackage ../development/tools/misc/gnum4 {
+        };
+        gnumake380 = callPackage ../development/tools/build-managers/gnumake/3.80 {
+        };
+        gnumake381 = callPackage ../development/tools/build-managers/gnumake/3.81 {
+        };
+        gnumake382 = callPackage ../development/tools/build-managers/gnumake/3.82 {
+        };
+        gnumake40 = callPackage ../development/tools/build-managers/gnumake/4.0 {
+        };
+        gnumake = gnumake382;
+        gob2 = callPackage ../development/tools/misc/gob2 {
+        };
+        gradle = callPackage ../development/tools/build-managers/gradle {
+        };
+        gperf = callPackage ../development/tools/misc/gperf {
+        };
+        gtk_doc = callPackage ../development/tools/documentation/gtk-doc {
+        };
+        gtkdialog = callPackage ../development/tools/misc/gtkdialog {
+        };
+        guileLint = callPackage ../development/tools/guile/guile-lint {
+        };
+        gwrap = callPackage ../development/tools/guile/g-wrap {
+        };
+        help2man = callPackage ../development/tools/misc/help2man {
+          inherit (perlPackages) LocaleGettext;
+        };
+        hyenae = callPackage ../tools/networking/hyenae {
+        };
+        ibus = callPackage ../development/libraries/ibus {
+        };
+        iconnamingutils = callPackage ../development/tools/misc/icon-naming-utils {
+          inherit (perlPackages) XMLSimple;
+        };
+        indent = callPackage ../development/tools/misc/indent {
+        };
+        ino = callPackage ../development/arduino/ino {
+        };
+        inotifyTools = callPackage ../development/tools/misc/inotify-tools {
+        };
+        intel-gpu-tools = callPackage ../development/tools/misc/intel-gpu-tools {
+          inherit (xorg) libpciaccess
+          dri2proto libX11 libXext libXv
+          libXrandr;
+        };
+        ired = callPackage ../development/tools/analysis/radare/ired.nix {
+        };
+        itstool = callPackage ../development/tools/misc/itstool {
+        };
+        jam = callPackage ../development/tools/build-managers/jam {
+        };
+        jikespg = callPackage ../development/tools/parsing/jikespg {
+        };
+        jenkins = callPackage ../development/tools/continuous-integration/jenkins {
+        };
+        lcov = callPackage ../development/tools/analysis/lcov {
+        };
+        leiningen = callPackage ../development/tools/build-managers/leiningen {
+        };
+        libtool = libtool_2;
+        libtool_1_5 = callPackage ../development/tools/misc/libtool {
+        };
+        libtool_2 = callPackage ../development/tools/misc/libtool/libtool2.nix {
+        };
+        lsof = callPackage ../development/tools/misc/lsof {
+        };
+        ltrace = callPackage ../development/tools/misc/ltrace {
+        };
+        lttng-tools = callPackage ../development/tools/misc/lttng-tools {
+        };
+        lttng-ust = callPackage ../development/tools/misc/lttng-ust {
+        };
+        lttv = callPackage ../development/tools/misc/lttv {
+        };
+        mk = callPackage ../development/tools/build-managers/mk {
+        };
+        neoload = callPackage ../development/tools/neoload {
+          licenseAccepted = config.neoload.accept_license or false;
+        };
+        ninja = callPackage ../development/tools/build-managers/ninja {
+        };
+        nixbang = callPackage ../development/tools/misc/nixbang {
+          pythonPackages = python3Packages;
+        };
+        node_webkit = callPackage ../development/tools/node-webkit {
+          gconf = pkgs.gnome.GConf;
+        };
+        noweb = callPackage ../development/tools/literate-programming/noweb {
+        };
+        omake = callPackage ../development/tools/ocaml/omake {
+        };
+        omake_rc1 = callPackage ../development/tools/ocaml/omake/0.9.8.6-rc1.nix {
+        };
+        opengrok = callPackage ../development/tools/misc/opengrok {
+        };
+        openocd = callPackage ../development/tools/misc/openocd {
+        };
+        oprofile = callPackage ../development/tools/profiling/oprofile {
+        };
+        patchelf = callPackage ../development/tools/misc/patchelf {
+        };
+        peg = callPackage ../development/tools/parsing/peg {
+        };
+        phantomjs = callPackage ../development/tools/phantomjs {
+          stdenv = if stdenv.isDarwin
+            then overrideGCC stdenv gccApple
+            else stdenv;
+        };
+        pmccabe = callPackage ../development/tools/misc/pmccabe {
+        };
+        pkgconfig = forceNativeDrv (callPackage ../development/tools/misc/pkgconfig {
+        });
+        pkgconfigUpstream = lowPrio (pkgconfig.override {
+          vanilla = true;
+        });
+        prelink = callPackage ../development/tools/misc/prelink {
+        };
+        premake3 = callPackage ../development/tools/misc/premake/3.nix {
+        };
+        premake4 = callPackage ../development/tools/misc/premake {
+        };
+        premake = premake4;
+        pstack = callPackage ../development/tools/misc/gdb/pstack.nix {
+        };
+        radare = callPackage ../development/tools/analysis/radare {
+          inherit (gnome) vte;
+          lua = lua5;
+          useX11 = config.radare.useX11 or false;
+          pythonBindings = config.radare.pythonBindings or false;
+          rubyBindings = config.radare.rubyBindings or false;
+          luaBindings = config.radare.luaBindings or false;
+        };
+        ragel = callPackage ../development/tools/parsing/ragel {
+        };
+        re2c = callPackage ../development/tools/parsing/re2c {
+        };
+        remake = callPackage ../development/tools/build-managers/remake {
+        };
+        saleae-logic = callPackage ../development/tools/misc/saleae-logic {
+        };
+        seleniumRCBin = callPackage ../development/tools/selenium/remote-control {
+          jre = jdk;
+        };
+        selenium-server-standalone = callPackage ../development/tools/selenium/server {
+        };
+        scons = callPackage ../development/tools/build-managers/scons {
+        };
+        simpleBuildTool = callPackage ../development/tools/build-managers/simple-build-tool {
+        };
+        sigrok-cli = callPackage ../development/tools/sigrok-cli {
+        };
+        slimerjs = callPackage ../development/tools/slimerjs {
+        };
+        sloccount = callPackage ../development/tools/misc/sloccount {
+        };
+        smatch = callPackage ../development/tools/analysis/smatch {
+          buildllvmsparse = false;
+          buildc2xml = false;
+        };
+        smc = callPackage ../tools/misc/smc {
+        };
+        sparse = callPackage ../development/tools/analysis/sparse {
+        };
+        speedtest_cli = callPackage ../tools/networking/speedtest-cli {
+        };
+        spin = callPackage ../development/tools/analysis/spin {
+        };
+        splint = callPackage ../development/tools/analysis/splint {
+          flex = flex_2_5_35;
+        };
+        stm32flash = callPackage ../development/tools/misc/stm32flash {
+        };
+        strace = callPackage ../development/tools/misc/strace {
+        };
+        swig = callPackage ../development/tools/misc/swig {
+        };
+        swig2 = callPackage ../development/tools/misc/swig/2.x.nix {
+        };
+        swig3 = callPackage ../development/tools/misc/swig/3.x.nix {
+        };
+        swigWithJava = swig;
+        swfmill = callPackage ../tools/video/swfmill {
+        };
+        swftools = callPackage ../tools/video/swftools {
+        };
+        tcptrack = callPackage ../development/tools/misc/tcptrack {
+        };
+        teensy-loader = callPackage ../development/tools/misc/teensy {
+        };
+        texinfo413 = callPackage ../development/tools/misc/texinfo/4.13a.nix {
+        };
+        texinfo5 = callPackage ../development/tools/misc/texinfo/5.2.nix {
+        };
+        texinfo4 = texinfo413;
+        texinfo = texinfo5;
+        texinfoInteractive = appendToName "interactive" (texinfo.override {
+          interactive = true;
+        });
+        texi2html = callPackage ../development/tools/misc/texi2html {
+        };
+        uhd = callPackage ../development/tools/misc/uhd {
+        };
+        uisp = callPackage ../development/tools/misc/uisp {
+        };
+        uncrustify = callPackage ../development/tools/misc/uncrustify {
+        };
+        vagrant = callPackage ../development/tools/vagrant {
+          ruby = ruby2;
+        };
+        gdb = callPackage ../development/tools/misc/gdb {
+          hurd = gnu.hurdCross;
+          readline = readline63;
+          inherit (gnu) mig;
+        };
+        gdbCross = lowPrio (callPackage ../development/tools/misc/gdb {
+          target = crossSystem;
+        });
+        valgrind = callPackage ../development/tools/analysis/valgrind {
+          stdenv = if stdenv.isDarwin
+            then overrideGCC stdenv gccApple
+            else stdenv;
+        };
+        valkyrie = callPackage ../development/tools/analysis/valkyrie {
+        };
+        xc3sprog = callPackage ../development/tools/misc/xc3sprog {
+        };
+        xmlindent = callPackage ../development/web/xmlindent {
+        };
+        xpwn = callPackage ../development/mobile/xpwn {
+        };
+        xxdiff = callPackage ../development/tools/misc/xxdiff {
+          bison = bison2;
+        };
+        yacc = bison;
+        yodl = callPackage ../development/tools/misc/yodl {
+        };
+        a52dec = callPackage ../development/libraries/a52dec {
+        };
+        aacskeys = callPackage ../development/libraries/aacskeys {
+        };
+        aalib = callPackage ../development/libraries/aalib {
+        };
+        accountsservice = callPackage ../development/libraries/accountsservice {
+        };
+        acl = callPackage ../development/libraries/acl {
+        };
+        activemq = callPackage ../development/libraries/apache-activemq {
+        };
+        adns = callPackage ../development/libraries/adns {
+        };
+        afflib = callPackage ../development/libraries/afflib {
+        };
+        agg = callPackage ../development/libraries/agg {
+        };
+        allegro = callPackage ../development/libraries/allegro {
+        };
+        allegro5 = callPackage ../development/libraries/allegro/5.nix {
+        };
+        allegro5unstable = callPackage ../development/libraries/allegro/5-unstable.nix {
+        };
+        amrnb = callPackage ../development/libraries/amrnb {
+        };
+        amrwb = callPackage ../development/libraries/amrwb {
+        };
+        apr = callPackage ../development/libraries/apr {
+        };
+        aprutil = callPackage ../development/libraries/apr-util {
+          bdbSupport = true;
+        };
+        asio = callPackage ../development/libraries/asio {
+        };
+        aspell = callPackage ../development/libraries/aspell {
+        };
+        aspellDicts = recurseIntoAttrs (import ../development/libraries/aspell/dictionaries.nix {
+          inherit fetchurl stdenv aspell
+          which;
+        });
+        aterm = aterm25;
+        aterm25 = callPackage ../development/libraries/aterm/2.5.nix {
+        };
+        aterm28 = lowPrio (callPackage ../development/libraries/aterm/2.8.nix {
+        });
+        attica = callPackage ../development/libraries/attica {
+        };
+        attr = callPackage ../development/libraries/attr {
+        };
+        at_spi2_core = callPackage ../development/libraries/at-spi2-core {
+        };
+        at_spi2_atk = callPackage ../development/libraries/at-spi2-atk {
+        };
+        aqbanking = callPackage ../development/libraries/aqbanking {
+        };
+        aubio = callPackage ../development/libraries/aubio {
+        };
+        audiofile = callPackage ../development/libraries/audiofile {
+        };
+        axis = callPackage ../development/libraries/axis {
+        };
+        babl_0_0_22 = callPackage ../development/libraries/babl/0_0_22.nix {
+        };
+        babl = callPackage ../development/libraries/babl {
+        };
+        beecrypt = callPackage ../development/libraries/beecrypt {
+        };
+        boehmgc = callPackage ../development/libraries/boehm-gc {
+        };
+        boolstuff = callPackage ../development/libraries/boolstuff {
+        };
+        boost144 = callPackage ../development/libraries/boost/1.44.nix {
+        };
+        boost149 = callPackage ../development/libraries/boost/1.49.nix {
+        };
+        boost155 = callPackage ../development/libraries/boost/1.55.nix {
+        };
+        boost = boost155;
+        boostHeaders = callPackage ../development/libraries/boost/header-only-wrapper.nix {
+        };
+        botan = callPackage ../development/libraries/botan {
+        };
+        botanUnstable = callPackage ../development/libraries/botan/unstable.nix {
+        };
+        box2d = callPackage ../development/libraries/box2d {
+        };
+        box2d_2_0_1 = callPackage ../development/libraries/box2d/2.0.1.nix {
+        };
+        buddy = callPackage ../development/libraries/buddy {
+        };
+        bwidget = callPackage ../development/libraries/bwidget {
+        };
+        c-ares = callPackage ../development/libraries/c-ares {
+          fetchurl = fetchurlBoot;
+        };
+        caelum = callPackage ../development/libraries/caelum {
+        };
+        capnproto = callPackage ../development/libraries/capnproto {
+        };
+        scmccid = callPackage ../development/libraries/scmccid {
+        };
+        ccrtp = callPackage ../development/libraries/ccrtp {
+        };
+        ccrtp_1_8 = callPackage ../development/libraries/ccrtp/1.8.nix {
+        };
+        celt = callPackage ../development/libraries/celt {
+        };
+        celt_0_7 = callPackage ../development/libraries/celt/0.7.nix {
+        };
+        celt_0_5_1 = callPackage ../development/libraries/celt/0.5.1.nix {
+        };
+        cgal = callPackage ../development/libraries/CGAL {
+        };
+        cgui = callPackage ../development/libraries/cgui {
+        };
+        check = callPackage ../development/libraries/check {
+        };
+        chipmunk = builderDefsPackage (import ../development/libraries/chipmunk) {
+          inherit cmake freeglut mesa;
+          inherit (xlibs) libX11 xproto
+          inputproto libXi libXmu;
+        };
+        chmlib = callPackage ../development/libraries/chmlib {
+        };
+        chromaprint = callPackage ../development/libraries/chromaprint {
+        };
+        cil = callPackage ../development/libraries/cil {
+        };
+        cilaterm = callPackage ../development/libraries/cil-aterm {
+          stdenv = overrideInStdenv stdenv [
+            gnumake380
+          ];
+        };
+        clanlib = callPackage ../development/libraries/clanlib {
+        };
+        classads = callPackage ../development/libraries/classads {
+        };
+        classpath = callPackage ../development/libraries/java/classpath {
+          javac = gcj;
+          jvm = gcj;
+          gconf = gnome.GConf;
+        };
+        clearsilver = callPackage ../development/libraries/clearsilver {
+        };
+        cln = callPackage ../development/libraries/cln {
+        };
+        clppcre = builderDefsPackage (import ../development/libraries/cl-ppcre) {
+        };
+        clucene_core_2 = callPackage ../development/libraries/clucene-core/2.x.nix {
+        };
+        clucene_core_1 = callPackage ../development/libraries/clucene-core {
+        };
+        clucene_core = clucene_core_1;
+        clutter = callPackage ../development/libraries/clutter {
+        };
+        clutter_1_18 = callPackage ../development/libraries/clutter/1.18.nix {
+          cogl = cogl_1_18;
+        };
+        clutter-gst = callPackage ../development/libraries/clutter-gst {
+        };
+        clutter_gtk = callPackage ../development/libraries/clutter-gtk {
+        };
+        clutter_gtk_0_10 = callPackage ../development/libraries/clutter-gtk/0.10.8.nix {
+        };
+        cminpack = callPackage ../development/libraries/cminpack {
+        };
+        cogl = callPackage ../development/libraries/cogl {
+        };
+        cogl_1_18 = callPackage ../development/libraries/cogl/1.18.nix {
+        };
+        coin3d = callPackage ../development/libraries/coin3d {
+        };
+        commoncpp2 = callPackage ../development/libraries/commoncpp2 {
+        };
+        confuse = callPackage ../development/libraries/confuse {
+        };
+        coredumper = callPackage ../development/libraries/coredumper {
+        };
+        ctl = callPackage ../development/libraries/ctl {
+        };
+        cpp-netlib = callPackage ../development/libraries/cpp-netlib {
+        };
+        cppunit = callPackage ../development/libraries/cppunit {
+        };
+        cppnetlib = callPackage ../development/libraries/cppnetlib {
+          boost = boostHeaders;
+        };
+        cracklib = callPackage ../development/libraries/cracklib {
+        };
+        cryptopp = callPackage ../development/libraries/crypto++ {
+        };
+        cyrus_sasl = callPackage ../development/libraries/cyrus-sasl {
+        };
+        db = db5;
+        db4 = db48;
+        db44 = callPackage ../development/libraries/db/db-4.4.nix {
+        };
+        db45 = callPackage ../development/libraries/db/db-4.5.nix {
+        };
+        db47 = callPackage ../development/libraries/db/db-4.7.nix {
+        };
+        db48 = callPackage ../development/libraries/db/db-4.8.nix {
+        };
+        db5 = db53;
+        db53 = callPackage ../development/libraries/db/db-5.3.nix {
+        };
+        db6 = db60;
+        db60 = callPackage ../development/libraries/db/db-6.0.nix {
+        };
+        dbus = callPackage ../development/libraries/dbus {
+        };
+        dbus_cplusplus = callPackage ../development/libraries/dbus-cplusplus {
+        };
+        dbus_glib = callPackage ../development/libraries/dbus-glib {
+        };
+        dbus_java = callPackage ../development/libraries/java/dbus-java {
+        };
+        dbus_python = callPackage ../development/python-modules/dbus {
+        };
+        dbus_tools = pkgs.dbus.tools;
+        dbus_libs = pkgs.dbus.libs;
+        dbus_daemon = pkgs.dbus.daemon;
+        dhex = callPackage ../applications/editors/dhex {
+        };
+        dclib = callPackage ../development/libraries/dclib {
+        };
+        dillo = callPackage ../applications/networking/browsers/dillo {
+          fltk = fltk13;
+        };
+        directfb = callPackage ../development/libraries/directfb {
+        };
+        dotconf = callPackage ../development/libraries/dotconf {
+        };
+        dssi = callPackage ../development/libraries/dssi {
+        };
+        dragonegg = llvmPackages.dragonegg;
+        dxflib = callPackage ../development/libraries/dxflib {
+        };
+        eigen = callPackage ../development/libraries/eigen {
+        };
+        eigen2 = callPackage ../development/libraries/eigen/2.0.nix {
+        };
+        enchant = callPackage ../development/libraries/enchant {
+        };
+        enet = callPackage ../development/libraries/enet {
+        };
+        enginepkcs11 = callPackage ../development/libraries/enginepkcs11 {
+        };
+        epoxy = callPackage ../development/libraries/epoxy {
+          inherit (xorg) utilmacros
+          libX11;
+        };
+        esdl = callPackage ../development/libraries/esdl {
+        };
+        exiv2 = callPackage ../development/libraries/exiv2 {
+        };
+        expat = callPackage ../development/libraries/expat {
+        };
+        extremetuxracer = builderDefsPackage (import ../games/extremetuxracer) {
+          inherit mesa tcl freeglut SDL
+          SDL_mixer pkgconfig gettext
+          intltool;
+          inherit (xlibs) libX11 xproto
+          libXi inputproto libXmu libXext
+          xextproto libXt libSM libICE;
+          libpng = libpng12;
+        };
+        eventlog = callPackage ../development/libraries/eventlog {
+        };
+        facile = callPackage ../development/libraries/facile {
+        };
+        faac = callPackage ../development/libraries/faac {
+        };
+        faad2 = callPackage ../development/libraries/faad2 {
+        };
+        farsight2 = callPackage ../development/libraries/farsight2 {
+        };
+        farstream = callPackage ../development/libraries/farstream {
+          inherit (gst_all_1) gstreamer
+          gst-plugins-base gst-python
+          gst-plugins-good gst-plugins-bad
+          gst-libav;
+        };
+        fcgi = callPackage ../development/libraries/fcgi {
+        };
+        ffmpeg_0_6 = callPackage ../development/libraries/ffmpeg/0.6.nix {
+          vpxSupport = !stdenv.isMips;
+        };
+        ffmpeg_0_6_90 = callPackage ../development/libraries/ffmpeg/0.6.90.nix {
+          vpxSupport = !stdenv.isMips;
+        };
+        ffmpeg_0_10 = callPackage ../development/libraries/ffmpeg/0.10.nix {
+          vpxSupport = !stdenv.isMips;
+          stdenv = if stdenv.isDarwin
+            then overrideGCC stdenv gccApple
+            else stdenv;
+        };
+        ffmpeg_1 = callPackage ../development/libraries/ffmpeg/1.x.nix {
+          vpxSupport = !stdenv.isMips;
+        };
+        ffmpeg_2 = callPackage ../development/libraries/ffmpeg/2.x.nix {
+        };
+        ffmpeg = ffmpeg_2;
+        ffms = callPackage ../development/libraries/ffms {
+        };
+        fftw = callPackage ../development/libraries/fftw {
+        };
+        fftwSinglePrec = fftw.override {
+          precision = "single";
+        };
+        fftwFloat = fftwSinglePrec;
+        flann = callPackage ../development/libraries/flann {
+        };
+        flite = callPackage ../development/libraries/flite {
+        };
+        fltk13 = callPackage ../development/libraries/fltk/fltk13.nix {
+        };
+        fltk20 = callPackage ../development/libraries/fltk {
+        };
+        fmod = callPackage ../development/libraries/fmod {
+        };
+        freeimage = callPackage ../development/libraries/freeimage {
+        };
+        freetts = callPackage ../development/libraries/freetts {
+        };
+        cfitsio = callPackage ../development/libraries/cfitsio {
+        };
+        fontconfig = callPackage ../development/libraries/fontconfig {
+        };
+        makeFontsConf = let
+          fontconfig_ = fontconfig;
+          in { fontDirectories, fontconfig ? fontconfig_ }:
+          import ../development/libraries/fontconfig/make-fonts-conf.nix {
+            inherit runCommand libxslt
+            fontconfig fontDirectories;
+          };
+        freealut = callPackage ../development/libraries/freealut {
+        };
+        freeglut = callPackage ../development/libraries/freeglut {
+        };
+        freetype = callPackage ../development/libraries/freetype {
+        };
+        frei0r = callPackage ../development/libraries/frei0r {
+        };
+        fribidi = callPackage ../development/libraries/fribidi {
+        };
+        funambol = callPackage ../development/libraries/funambol {
+        };
+        fam = gamin;
+        gamin = callPackage ../development/libraries/gamin {
+        };
+        ganv = callPackage ../development/libraries/ganv {
+        };
+        gav = callPackage ../games/gav {
+        };
+        gsb = callPackage ../games/gsb {
+        };
+        gdome2 = callPackage ../development/libraries/gdome2 {
+          inherit (gnome) gtkdoc;
+        };
+        gdbm = callPackage ../development/libraries/gdbm {
+        };
+        gegl = callPackage ../development/libraries/gegl {
+        };
+        gegl_0_0_22 = callPackage ../development/libraries/gegl/0_0_22.nix {
+          libpng = libpng12;
+        };
+        geoclue = callPackage ../development/libraries/geoclue {
+        };
+        geoclue2 = callPackage ../development/libraries/geoclue/2.0.nix {
+        };
+        geoip = callPackage ../development/libraries/geoip {
+        };
+        geoipjava = callPackage ../development/libraries/java/geoipjava {
+        };
+        geos = callPackage ../development/libraries/geos {
+        };
+        gettext = gettext_0_18;
+        gettext_0_17 = callPackage ../development/libraries/gettext/0.17.nix {
+        };
+        gettext_0_18 = callPackage ../development/libraries/gettext {
+        };
+        gd = callPackage ../development/libraries/gd {
+        };
+        gdal = callPackage ../development/libraries/gdal {
+        };
+        ggz_base_libs = callPackage ../development/libraries/ggz_base_libs {
+        };
+        giblib = callPackage ../development/libraries/giblib {
+        };
+        libgit2 = callPackage ../development/libraries/git2 {
+        };
+        glew = callPackage ../development/libraries/glew {
+        };
+        glfw = glfw3;
+        glfw2 = callPackage ../development/libraries/glfw/2.x.nix {
+        };
+        glfw3 = callPackage ../development/libraries/glfw/3.x.nix {
+        };
+        glibc = callPackage ../development/libraries/glibc/2.19 {
+          kernelHeaders = linuxHeaders;
+          installLocales = config.glibc.locales or false;
+          machHeaders = null;
+          hurdHeaders = null;
+          gccCross = null;
+        };
+        glibc_memusage = callPackage ../development/libraries/glibc/2.19 {
+          kernelHeaders = linuxHeaders;
+          installLocales = false;
+          withGd = true;
+        };
+        glibcCross = forceNativeDrv (makeOverridable (import ../development/libraries/glibc/2.19) (let
+          crossGNU = crossSystem != null && crossSystem.config == "i586-pc-gnu";
+          in {
+            inherit stdenv fetchurl;
+            gccCross = gccCrossStageStatic;
+            kernelHeaders = if crossGNU
+              then gnu.hurdHeaders
+              else linuxHeadersCross;
+            installLocales = config.glibc.locales or false;
+          } // lib.optionalAttrs crossGNU {
+            inherit (gnu) machHeaders
+            hurdHeaders libpthreadHeaders
+            mig;
+            inherit fetchgit;
+          }));
+        libcCrossChooser = name:
+        if name == "glibc"
+          then glibcCross
+          else if name == "uclibc"
+            then uclibcCross
+            else if name == "msvcrt"
+              then windows.mingw_w64
+              else if name == "libSystem"
+                then darwin.xcode
+                else throw "Unknown libc";
+        libcCross = assert crossSystem != null; libcCrossChooser crossSystem.libc;
+        eglibc = callPackage ../development/libraries/eglibc {
+          kernelHeaders = linuxHeaders;
+          installLocales = config.glibc.locales or false;
+        };
+        glibcLocales = callPackage ../development/libraries/glibc/2.19/locales.nix {
+        };
+        glibcInfo = callPackage ../development/libraries/glibc/2.19/info.nix {
+        };
+        glibc_multi = runCommand "${glibc.name}-multi" {
+          glibc64 = glibc;
+          glibc32 = (import ./all-packages.nix {
+            system = "i686-linux";
+          }).glibc;
+        } ''
+          mkdir -p ''$out
+          ln -s ''$glibc64/* ''$out/
+          
+          rm ''$out/lib ''$out/lib64
+          mkdir -p ''$out/lib
+          ln -s ''$glibc64/lib/* ''$out/lib
+          ln -s ''$glibc32/lib ''$out/lib/32
+          ln -s lib ''$out/lib64
+          
+          # fixing ldd RLTDLIST
+          rm ''$out/bin
+          cp -rs ''$glibc64/bin ''$out
+          chmod u+w ''$out/bin
+          rm ''$out/bin/ldd
+          sed -e "s|^RTLDLIST=.*''$|RTLDLIST=\"''$out/lib/ld-2.19.so ''$out/lib/32/ld-linux.so.2\"|g" \
+              ''$glibc64/bin/ldd > ''$out/bin/ldd
+          chmod 555 ''$out/bin/ldd
+          
+          rm ''$out/include
+          cp -rs ''$glibc32/include ''$out
+          chmod -R u+w ''$out/include
+          cp -rsf ''$glibc64/include ''$out
+        '';
+        glm = callPackage ../development/libraries/glm {
+        };
+        glog = callPackage ../development/libraries/glog {
+        };
+        gloox = callPackage ../development/libraries/gloox {
+        };
+        glpk = callPackage ../development/libraries/glpk {
+        };
+        glsurf = callPackage ../applications/science/math/glsurf {
+          inherit (ocamlPackages) lablgl
+          findlib camlimages ocaml_mysql
+          mlgmp;
+          libpng = libpng12;
+          giflib = giflib_4_1;
+        };
+        gmime = callPackage ../development/libraries/gmime {
+        };
+        gmm = callPackage ../development/libraries/gmm {
+        };
+        gmp = gmp5;
+        gmp5 = gmp51;
+        gmpxx = appendToName "with-cxx" (gmp.override {
+          cxx = true;
+        });
+        gmp4 = callPackage ../development/libraries/gmp/4.3.2.nix {
+        };
+        gmp51 = callPackage ../development/libraries/gmp/5.1.x.nix {
+        };
+        mpfr = callPackage ../development/libraries/mpfr/default.nix {
+        };
+        gobjectIntrospection = callPackage ../development/libraries/gobject-introspection {
+        };
+        goocanvas = callPackage ../development/libraries/goocanvas {
+        };
+        google-gflags = callPackage ../development/libraries/google-gflags {
+        };
+        gperftools = callPackage ../development/libraries/gperftools {
+        };
+        gst_all_1 = recurseIntoAttrs (callPackage ../development/libraries/gstreamer {
+          callPackage = pkgs.newScope (pkgs // {
+            libav = pkgs.libav_10;
+          });
+        });
+        gst_all = {
+          inherit (pkgs) gstreamer gnonlin
+          gst_python qt_gstreamer;
+          gstPluginsBase = pkgs.gst_plugins_base;
+          gstPluginsBad = pkgs.gst_plugins_bad;
+          gstPluginsGood = pkgs.gst_plugins_good;
+          gstPluginsUgly = pkgs.gst_plugins_ugly;
+          gstFfmpeg = pkgs.gst_ffmpeg;
+        };
+        gstreamer = callPackage ../development/libraries/gstreamer/legacy/gstreamer {
+          bison = bison2;
+        };
+        gst_plugins_base = callPackage ../development/libraries/gstreamer/legacy/gst-plugins-base {
+        };
+        gst_plugins_good = callPackage ../development/libraries/gstreamer/legacy/gst-plugins-good {
+        };
+        gst_plugins_bad = callPackage ../development/libraries/gstreamer/legacy/gst-plugins-bad {
+        };
+        gst_plugins_ugly = callPackage ../development/libraries/gstreamer/legacy/gst-plugins-ugly {
+        };
+        gst_ffmpeg = callPackage ../development/libraries/gstreamer/legacy/gst-ffmpeg {
+          ffmpeg = ffmpeg_0_10;
+        };
+        gst_python = callPackage ../development/libraries/gstreamer/legacy/gst-python {
+        };
+        gstreamermm = callPackage ../development/libraries/gstreamer/legacy/gstreamermm {
+        };
+        gnonlin = callPackage ../development/libraries/gstreamer/legacy/gnonlin {
+        };
+        gusb = callPackage ../development/libraries/gusb {
+          inherit (gnome) gtkdoc;
+        };
+        qt_gstreamer = callPackage ../development/libraries/gstreamer/legacy/qt-gstreamer {
+        };
+        gnet = callPackage ../development/libraries/gnet {
+        };
+        gnu-efi = callPackage ../development/libraries/gnu-efi {
+        };
+        gnutls = gnutls32;
+        gnutls31 = callPackage ../development/libraries/gnutls/3.1.nix {
+          guileBindings = config.gnutls.guile or false;
+        };
+        gnutls32 = callPackage ../development/libraries/gnutls/3.2.nix {
+          guileBindings = config.gnutls.guile or false;
+        };
+        gnutls_with_guile = lowPrio (gnutls.override {
+          guileBindings = true;
+        });
+        gpac = callPackage ../applications/video/gpac {
+        };
+        gpgme = callPackage ../development/libraries/gpgme {
+          gnupg1 = gnupg1orig;
+        };
+        grantlee = callPackage ../development/libraries/grantlee {
+        };
+        gsasl = callPackage ../development/libraries/gsasl {
+        };
+        gsl = callPackage ../development/libraries/gsl {
+        };
+        gsm = callPackage ../development/libraries/gsm {
+        };
+        gsoap = callPackage ../development/libraries/gsoap {
+        };
+        gss = callPackage ../development/libraries/gss {
+        };
+        gtkimageview = callPackage ../development/libraries/gtkimageview {
+        };
+        gtkmathview = callPackage ../development/libraries/gtkmathview {
+        };
+        gtkLibs = {
+          inherit (pkgs) glib glibmm atk
+          atkmm cairo pango pangomm
+          gdk_pixbuf gtk gtkmm;
+        };
+        glib = callPackage ../development/libraries/glib {
+        };
+        glib-tested = glib.override {
+          doCheck = true;
+        };
+        glibmm = callPackage ../development/libraries/glibmm {
+        };
+        glib_networking = callPackage ../development/libraries/glib-networking {
+        };
+        atk = callPackage ../development/libraries/atk {
+        };
+        atkmm = callPackage ../development/libraries/atkmm {
+        };
+        pixman = callPackage ../development/libraries/pixman {
+        };
+        cairo = callPackage ../development/libraries/cairo {
+          glSupport = config.cairo.gl or stdenv.isLinux && !stdenv.isArm && !stdenv.isMips;
+        };
+        cairomm = callPackage ../development/libraries/cairomm {
+        };
+        pango = callPackage ../development/libraries/pango {
+        };
+        pangomm = callPackage ../development/libraries/pangomm {
+        };
+        pangox_compat = callPackage ../development/libraries/pangox-compat {
+        };
+        gdk_pixbuf = callPackage ../development/libraries/gdk-pixbuf {
+          stdenv = if stdenv.isDarwin
+            then clangStdenv
+            else stdenv;
+        };
+        gtk2 = callPackage ../development/libraries/gtk+/2.x.nix {
+          cupsSupport = config.gtk2.cups or stdenv.isLinux;
+        };
+        gtk3 = callPackage ../development/libraries/gtk+/3.x.nix {
+        };
+        gtk = pkgs.gtk2;
+        gtkmm = callPackage ../development/libraries/gtkmm/2.x.nix {
+        };
+        gtkmm3 = callPackage ../development/libraries/gtkmm/3.x.nix {
+        };
+        gtkmozembedsharp = callPackage ../development/libraries/gtkmozembed-sharp {
+          gtksharp = gtksharp2;
+        };
+        gtksharp1 = callPackage ../development/libraries/gtk-sharp-1 {
+          inherit (gnome) libglade
+          libgtkhtml gtkhtml
+          libgnomecanvas libgnomeui
+          libgnomeprint libgnomeprintui
+          GConf;
+        };
+        gtksharp2 = callPackage ../development/libraries/gtk-sharp-2 {
+          inherit (gnome) libglade
+          libgtkhtml gtkhtml
+          libgnomecanvas libgnomeui
+          libgnomeprint libgnomeprintui
+          GConf gnomepanel;
+        };
+        gtksourceviewsharp = callPackage ../development/libraries/gtksourceview-sharp {
+          inherit (gnome) gtksourceview;
+          gtksharp = gtksharp2;
+        };
+        gtkspell = callPackage ../development/libraries/gtkspell {
+        };
+        gtkspell3 = callPackage ../development/libraries/gtkspell/3.nix {
+        };
+        gts = callPackage ../development/libraries/gts {
+        };
+        gvfs = callPackage ../development/libraries/gvfs {
+          gconf = gnome.GConf;
+        };
+        gwenhywfar = callPackage ../development/libraries/gwenhywfar {
+        };
+        hamlib = callPackage ../development/libraries/hamlib {
+        };
+        kerberos = heimdal;
+        heimdal = callPackage ../development/libraries/kerberos/heimdal.nix {
+        };
+        harfbuzz = callPackage ../development/libraries/harfbuzz {
+        };
+        hawknl = callPackage ../development/libraries/hawknl {
+        };
+        herqq = callPackage ../development/libraries/herqq {
+        };
+        hspell = callPackage ../development/libraries/hspell {
+        };
+        hspellDicts = callPackage ../development/libraries/hspell/dicts.nix {
+        };
+        hsqldb = callPackage ../development/libraries/java/hsqldb {
+        };
+        http-parser = callPackage ../development/libraries/http-parser {
+          inherit (pythonPackages) gyp;
+        };
+        hunspell = callPackage ../development/libraries/hunspell {
+        };
+        hwloc = callPackage ../development/libraries/hwloc {
+          inherit (xlibs) libX11;
+        };
+        hydraAntLogger = callPackage ../development/libraries/java/hydra-ant-logger {
+        };
+        icu = callPackage ../development/libraries/icu {
+        };
+        id3lib = callPackage ../development/libraries/id3lib {
+        };
+        iksemel = callPackage ../development/libraries/iksemel {
+        };
+        ilbc = callPackage ../development/libraries/ilbc {
+        };
+        ilixi = callPackage ../development/libraries/ilixi {
+        };
+        ilmbase = callPackage ../development/libraries/ilmbase {
+        };
+        imlib = callPackage ../development/libraries/imlib {
+          libpng = libpng12;
+        };
+        imlib2 = callPackage ../development/libraries/imlib2 {
+        };
+        incrtcl = callPackage ../development/libraries/incrtcl {
+        };
+        indilib = callPackage ../development/libraries/indilib {
+        };
+        iniparser = callPackage ../development/libraries/iniparser {
+        };
+        intltool = callPackage ../development/tools/misc/intltool {
+        };
+        irrlicht3843 = callPackage ../development/libraries/irrlicht {
+        };
+        isocodes = callPackage ../development/libraries/iso-codes {
+        };
+        itk = callPackage ../development/libraries/itk {
+        };
+        jamp = builderDefsPackage ../games/jamp {
+          inherit mesa SDL SDL_image
+          SDL_mixer;
+        };
+        jasper = callPackage ../development/libraries/jasper {
+        };
+        jama = callPackage ../development/libraries/jama {
+        };
+        jansson = callPackage ../development/libraries/jansson {
+        };
+        jbig2dec = callPackage ../development/libraries/jbig2dec {
+        };
+        jetty_gwt = callPackage ../development/libraries/java/jetty-gwt {
+        };
+        jetty_util = callPackage ../development/libraries/java/jetty-util {
+        };
+        json_glib = callPackage ../development/libraries/json-glib {
+        };
+        json-c-0-11 = callPackage ../development/libraries/json-c/0.11.nix {
+        };
+        json_c = callPackage ../development/libraries/json-c {
+        };
+        jsoncpp = callPackage ../development/libraries/jsoncpp {
+        };
+        libjson = callPackage ../development/libraries/libjson {
+        };
+        judy = callPackage ../development/libraries/judy {
+        };
+        keybinder = callPackage ../development/libraries/keybinder {
+          automake = automake111x;
+          lua = lua5_1;
+        };
+        keybinder3 = callPackage ../development/libraries/keybinder3 {
+          automake = automake111x;
+          lua = lua5_1;
+        };
+        krb5 = callPackage ../development/libraries/kerberos/krb5.nix {
+        };
+        lcms = lcms1;
+        lcms1 = callPackage ../development/libraries/lcms {
+        };
+        lcms2 = callPackage ../development/libraries/lcms2 {
+        };
+        lensfun = callPackage ../development/libraries/lensfun {
+        };
+        lesstif = callPackage ../development/libraries/lesstif {
+        };
+        lesstif93 = callPackage ../development/libraries/lesstif-0.93 {
+        };
+        leveldb = callPackage ../development/libraries/leveldb {
+        };
+        levmar = callPackage ../development/libraries/levmar {
+        };
+        leptonica = callPackage ../development/libraries/leptonica {
+          libpng = libpng12;
+        };
+        lgi = callPackage ../development/libraries/lgi {
+          lua = lua5_1;
+        };
+        lib3ds = callPackage ../development/libraries/lib3ds {
+        };
+        libaacs = callPackage ../development/libraries/libaacs {
+        };
+        libaal = callPackage ../development/libraries/libaal {
+        };
+        libao = callPackage ../development/libraries/libao {
+          usePulseAudio = config.pulseaudio or true;
+        };
+        libarchive = callPackage ../development/libraries/libarchive {
+        };
+        libass = callPackage ../development/libraries/libass {
+        };
+        libassuan1 = callPackage ../development/libraries/libassuan1 {
+        };
+        libassuan = callPackage ../development/libraries/libassuan {
+        };
+        libassuan2_1 = callPackage ../development/libraries/libassuan/git.nix {
+        };
+        libatomic_ops = callPackage ../development/libraries/libatomic_ops {
+        };
+        libav = libav_10;
+        libav_all = callPackage ../development/libraries/libav {
+        };
+        inherit (libav_all) libav_0_8
+        libav_9 libav_10;
+        libavc1394 = callPackage ../development/libraries/libavc1394 {
+        };
+        libbluedevil = callPackage ../development/libraries/libbluedevil {
+        };
+        libbluray = callPackage ../development/libraries/libbluray {
+        };
+        libbs2b = callPackage ../development/libraries/audio/libbs2b {
+        };
+        libcaca = callPackage ../development/libraries/libcaca {
+        };
+        libcanberra = callPackage ../development/libraries/libcanberra {
+        };
+        libcanberra_gtk3 = libcanberra.override {
+          gtk = gtk3;
+        };
+        libcanberra_kde = if config.kde_runtime.libcanberraWithoutGTK or true
+          then libcanberra.override {
+            gtk = null;
+          }
+          else libcanberra;
+        libcello = callPackage ../development/libraries/libcello {
+        };
+        libcdaudio = callPackage ../development/libraries/libcdaudio {
+        };
+        libcddb = callPackage ../development/libraries/libcddb {
+        };
+        libcdio = callPackage ../development/libraries/libcdio {
+        };
+        libcdio082 = callPackage ../development/libraries/libcdio/0.82.nix {
+        };
+        libcdr = callPackage ../development/libraries/libcdr {
+          lcms = lcms2;
+        };
+        libchamplain = callPackage ../development/libraries/libchamplain {
+          inherit (gnome) libsoup;
+        };
+        libchamplain_0_6 = callPackage ../development/libraries/libchamplain/0.6.nix {
+        };
+        libchop = callPackage ../development/libraries/libchop {
+        };
+        libcm = callPackage ../development/libraries/libcm {
+        };
+        inherit (gnome3) libcroco;
+        libcangjie = callPackage ../development/libraries/libcangjie {
+        };
+        libcredis = callPackage ../development/libraries/libcredis {
+        };
+        libctemplate = callPackage ../development/libraries/libctemplate {
+        };
+        libcue = callPackage ../development/libraries/libcue {
+        };
+        libdaemon = callPackage ../development/libraries/libdaemon {
+        };
+        libdbi = callPackage ../development/libraries/libdbi {
+        };
+        libdbiDriversBase = callPackage ../development/libraries/libdbi-drivers {
+          mysql = null;
+          sqlite = null;
+        };
+        libdbiDrivers = libdbiDriversBase.override {
+          inherit sqlite mysql;
+        };
+        libdbusmenu_qt = callPackage ../development/libraries/libdbusmenu-qt {
+        };
+        libdc1394 = callPackage ../development/libraries/libdc1394 {
+        };
+        libdc1394avt = callPackage ../development/libraries/libdc1394avt {
+        };
+        libdevil = callPackage ../development/libraries/libdevil {
+        };
+        libdiscid = callPackage ../development/libraries/libdiscid {
+        };
+        libdivsufsort = callPackage ../development/libraries/libdivsufsort {
+        };
+        libdmtx = callPackage ../development/libraries/libdmtx {
+        };
+        libdnet = callPackage ../development/libraries/libdnet {
+        };
+        libdrm = callPackage ../development/libraries/libdrm {
+          inherit fetchurl stdenv
+          pkgconfig;
+          inherit (xorg) libpthreadstubs;
+        };
+        libdv = callPackage ../development/libraries/libdv {
+        };
+        libdvbpsi = callPackage ../development/libraries/libdvbpsi {
+        };
+        libdwg = callPackage ../development/libraries/libdwg {
+        };
+        libdvdcss = callPackage ../development/libraries/libdvdcss {
+        };
+        libdvdnav = callPackage ../development/libraries/libdvdnav {
+        };
+        libdvdread = callPackage ../development/libraries/libdvdread {
+        };
+        libdwarf = callPackage ../development/libraries/libdwarf {
+        };
+        libeatmydata = callPackage ../development/libraries/libeatmydata {
+        };
+        libebml = callPackage ../development/libraries/libebml {
+        };
+        libedit = callPackage ../development/libraries/libedit {
+        };
+        libelf = callPackage ../development/libraries/libelf {
+        };
+        libfm = callPackage ../development/libraries/libfm {
+        };
+        libgadu = callPackage ../development/libraries/libgadu {
+        };
+        libgdata = gnome3.libgdata;
+        libgig = callPackage ../development/libraries/libgig {
+        };
+        libgnome_keyring = callPackage ../development/libraries/libgnome-keyring {
+        };
+        libgnome_keyring3 = gnome3.libgnome_keyring;
+        libgnurl = callPackage ../development/libraries/libgnurl {
+        };
+        libseccomp = callPackage ../development/libraries/libseccomp {
+        };
+        libsecret = callPackage ../development/libraries/libsecret {
+        };
+        libserialport = callPackage ../development/libraries/libserialport {
+        };
+        libgtop = callPackage ../development/libraries/libgtop {
+        };
+        liblo = callPackage ../development/libraries/liblo {
+        };
+        liblrdf = librdf;
+        liblscp = callPackage ../development/libraries/liblscp {
+        };
+        libe-book = callPackage ../development/libraries/libe-book {
+        };
+        libe-book_00 = callPackage ../development/libraries/libe-book/0.0.nix {
+        };
+        libev = builderDefsPackage ../development/libraries/libev {
+        };
+        libevent14 = callPackage ../development/libraries/libevent/1.4.nix {
+        };
+        libevent = callPackage ../development/libraries/libevent {
+        };
+        libewf = callPackage ../development/libraries/libewf {
+        };
+        libexif = callPackage ../development/libraries/libexif {
+        };
+        libexosip = callPackage ../development/libraries/exosip {
+        };
+        libexosip_3 = callPackage ../development/libraries/exosip/3.x.nix {
+          libosip = libosip_3;
+        };
+        libextractor = callPackage ../development/libraries/libextractor {
+          libmpeg2 = mpeg2dec;
+        };
+        libexttextcat = callPackage ../development/libraries/libexttextcat {
+        };
+        libf2c = callPackage ../development/libraries/libf2c {
+        };
+        libfixposix = callPackage ../development/libraries/libfixposix {
+        };
+        libffcall = builderDefsPackage (import ../development/libraries/libffcall) {
+          inherit fetchcvs;
+        };
+        libffi = callPackage ../development/libraries/libffi {
+        };
+        libftdi = callPackage ../development/libraries/libftdi {
+        };
+        libftdi1 = callPackage ../development/libraries/libftdi/1.x.nix {
+        };
+        libgcrypt = callPackage ../development/libraries/libgcrypt {
+        };
+        libgcrypt_1_6 = lowPrio (callPackage ../development/libraries/libgcrypt/1.6.nix {
+        });
+        libgdiplus = callPackage ../development/libraries/libgdiplus {
+        };
+        libgksu = callPackage ../development/libraries/libgksu {
+        };
+        libgpgerror = callPackage ../development/libraries/libgpg-error {
+        };
+        libgphoto2 = callPackage ../development/libraries/libgphoto2 {
+        };
+        libgphoto2_4 = callPackage ../development/libraries/libgphoto2/2.4.nix {
+        };
+        libgpod = callPackage ../development/libraries/libgpod {
+          inherit (pkgs.pythonPackages) mutagen;
+        };
+        libharu = callPackage ../development/libraries/libharu {
+        };
+        libical = callPackage ../development/libraries/libical {
+        };
+        libicns = callPackage ../development/libraries/libicns {
+        };
+        libimobiledevice = callPackage ../development/libraries/libimobiledevice {
+        };
+        libiodbc = callPackage ../development/libraries/libiodbc {
+          useGTK = config.libiodbc.gtk or false;
+        };
+        libivykis = callPackage ../development/libraries/libivykis {
+        };
+        liblastfmSF = callPackage ../development/libraries/liblastfmSF {
+        };
+        liblastfm = callPackage ../development/libraries/liblastfm {
+        };
+        liblqr1 = callPackage ../development/libraries/liblqr-1 {
+        };
+        liblockfile = callPackage ../development/libraries/liblockfile {
+        };
+        liblogging = callPackage ../development/libraries/liblogging {
+        };
+        libmcrypt = callPackage ../development/libraries/libmcrypt {
+        };
+        libmhash = callPackage ../development/libraries/libmhash {
+        };
+        libmodbus = callPackage ../development/libraries/libmodbus {
+        };
+        libmtp = callPackage ../development/libraries/libmtp {
+        };
+        libmsgpack = callPackage ../development/libraries/libmsgpack {
+        };
+        libnatspec = callPackage ../development/libraries/libnatspec {
+        };
+        libnfc = callPackage ../development/libraries/libnfc {
+        };
+        libnfsidmap = callPackage ../development/libraries/libnfsidmap {
+        };
+        libnice = callPackage ../development/libraries/libnice {
+        };
+        liboping = callPackage ../development/libraries/liboping {
+        };
+        libplist = callPackage ../development/libraries/libplist {
+        };
+        libQGLViewer = callPackage ../development/libraries/libqglviewer {
+        };
+        libre = callPackage ../development/libraries/libre {
+        };
+        librem = callPackage ../development/libraries/librem {
+        };
+        libresample = callPackage ../development/libraries/libresample {
+        };
+        librevenge = callPackage ../development/libraries/librevenge {
+        };
+        librevisa = callPackage ../development/libraries/librevisa {
+        };
+        libsamplerate = callPackage ../development/libraries/libsamplerate {
+        };
+        libspectre = callPackage ../development/libraries/libspectre {
+        };
+        libgsf = callPackage ../development/libraries/libgsf {
+        };
+        libiconv = callPackage ../development/libraries/libiconv {
+        };
+        libiconvOrEmpty = if libiconvOrNull == null
+          then [ ]
+          else [ libiconv ];
+        libiconvOrNull = if gcc.libc or null != null || stdenv.isGlibc
+          then null
+          else libiconv;
+        libiconvOrLibc = if libiconvOrNull == null
+          then gcc.libc
+          else libiconv;
+        libintlOrEmpty = stdenv.lib.optional (!stdenv.isLinux) gettext;
+        libid3tag = callPackage ../development/libraries/libid3tag {
+        };
+        libidn = callPackage ../development/libraries/libidn {
+        };
+        libiec61883 = callPackage ../development/libraries/libiec61883 {
+        };
+        libinfinity = callPackage ../development/libraries/libinfinity {
+          inherit (gnome) gtkdoc;
+        };
+        libiptcdata = callPackage ../development/libraries/libiptcdata {
+        };
+        libjpeg_original = callPackage ../development/libraries/libjpeg {
+        };
+        libjpeg_turbo = callPackage ../development/libraries/libjpeg-turbo {
+        };
+        libjpeg = if stdenv.isLinux
+          then libjpeg_turbo
+          else libjpeg_original;
+        libjpeg62 = callPackage ../development/libraries/libjpeg/62.nix {
+          libtool = libtool_1_5;
+        };
+        libjson_rpc_cpp = callPackage ../development/libraries/libjson-rpc-cpp {
+        };
+        libkate = callPackage ../development/libraries/libkate {
+        };
+        libksba = callPackage ../development/libraries/libksba {
+        };
+        libmad = callPackage ../development/libraries/libmad {
+        };
+        libmatchbox = callPackage ../development/libraries/libmatchbox {
+        };
+        libmatthew_java = callPackage ../development/libraries/java/libmatthew-java {
+        };
+        libmatroska = callPackage ../development/libraries/libmatroska {
+        };
+        libmcs = callPackage ../development/libraries/libmcs {
+        };
+        libmemcached = callPackage ../development/libraries/libmemcached {
+        };
+        libmicrohttpd = callPackage ../development/libraries/libmicrohttpd {
+        };
+        libmikmod = callPackage ../development/libraries/libmikmod {
+          stdenv = if stdenv.isDarwin
+            then overrideGCC stdenv gccApple
+            else stdenv;
+        };
+        libmilter = callPackage ../development/libraries/libmilter {
+        };
+        libmkv = callPackage ../development/libraries/libmkv {
+        };
+        libmms = callPackage ../development/libraries/libmms {
+        };
+        libmowgli = callPackage ../development/libraries/libmowgli {
+        };
+        libmng = callPackage ../development/libraries/libmng {
+        };
+        libmnl = callPackage ../development/libraries/libmnl {
+        };
+        libmodplug = callPackage ../development/libraries/libmodplug {
+        };
+        libmpcdec = callPackage ../development/libraries/libmpcdec {
+        };
+        libmp3splt = callPackage ../development/libraries/libmp3splt {
+        };
+        libmrss = callPackage ../development/libraries/libmrss {
+        };
+        libmsn = callPackage ../development/libraries/libmsn {
+        };
+        libmspack = callPackage ../development/libraries/libmspack {
+        };
+        libmusclecard = callPackage ../development/libraries/libmusclecard {
+        };
+        libmusicbrainz2 = callPackage ../development/libraries/libmusicbrainz/2.x.nix {
+        };
+        libmusicbrainz3 = callPackage ../development/libraries/libmusicbrainz {
+        };
+        libmusicbrainz5 = callPackage ../development/libraries/libmusicbrainz/5.x.nix {
+        };
+        libmusicbrainz = libmusicbrainz3;
+        libmwaw = callPackage ../development/libraries/libmwaw {
+        };
+        libmwaw_02 = callPackage ../development/libraries/libmwaw/0.2.nix {
+        };
+        libmx = callPackage ../development/libraries/libmx {
+        };
+        libnet = callPackage ../development/libraries/libnet {
+        };
+        libnetfilter_conntrack = callPackage ../development/libraries/libnetfilter_conntrack {
+        };
+        libnetfilter_queue = callPackage ../development/libraries/libnetfilter_queue {
+        };
+        libnfnetlink = callPackage ../development/libraries/libnfnetlink {
+        };
+        libnftnl = callPackage ../development/libraries/libnftnl {
+        };
+        libnih = callPackage ../development/libraries/libnih {
+        };
+        libnova = callPackage ../development/libraries/libnova {
+        };
+        libnxml = callPackage ../development/libraries/libnxml {
+        };
+        libodfgen = callPackage ../development/libraries/libodfgen {
+        };
+        libofa = callPackage ../development/libraries/libofa {
+        };
+        libofx = callPackage ../development/libraries/libofx {
+        };
+        libogg = callPackage ../development/libraries/libogg {
+        };
+        liboggz = callPackage ../development/libraries/liboggz {
+        };
+        liboil = callPackage ../development/libraries/liboil {
+        };
+        liboop = callPackage ../development/libraries/liboop {
+        };
+        libopus = callPackage ../development/libraries/libopus {
+        };
+        libosinfo = callPackage ../development/libraries/libosinfo {
+        };
+        libosip = callPackage ../development/libraries/osip {
+        };
+        libosip_3 = callPackage ../development/libraries/osip/3.nix {
+        };
+        libotr = callPackage ../development/libraries/libotr {
+          libgcrypt = libgcrypt_1_6;
+        };
+        libotr_3_2 = callPackage ../development/libraries/libotr/3.2.nix {
+        };
+        libp11 = callPackage ../development/libraries/libp11 {
+        };
+        libpar2 = callPackage ../development/libraries/libpar2 {
+        };
+        libpcap = callPackage ../development/libraries/libpcap {
+        };
+        libpipeline = callPackage ../development/libraries/libpipeline {
+        };
+        libpng = callPackage ../development/libraries/libpng {
+        };
+        libpng_apng = libpng.override {
+          apngSupport = true;
+        };
+        libpng12 = callPackage ../development/libraries/libpng/12.nix {
+        };
+        libpng15 = callPackage ../development/libraries/libpng/15.nix {
+        };
+        libpaper = callPackage ../development/libraries/libpaper {
+        };
+        libproxy = callPackage ../development/libraries/libproxy {
+          stdenv = if stdenv.isDarwin
+            then overrideGCC stdenv gcc
+            else stdenv;
+        };
+        libpseudo = callPackage ../development/libraries/libpseudo {
+        };
+        libpwquality = callPackage ../development/libraries/libpwquality {
+        };
+        libqalculate = callPackage ../development/libraries/libqalculate {
+        };
+        librsvg = callPackage ../development/libraries/librsvg {
+          gtk2 = null;
+          gtk3 = null;
+        };
+        librsync = callPackage ../development/libraries/librsync {
+        };
+        libsearpc = callPackage ../development/libraries/libsearpc {
+        };
+        libsigcxx = callPackage ../development/libraries/libsigcxx {
+        };
+        libsigcxx12 = callPackage ../development/libraries/libsigcxx/1.2.nix {
+        };
+        libsigsegv = callPackage ../development/libraries/libsigsegv {
+        };
+        libsigsegv_25 = callPackage ../development/libraries/libsigsegv/2.5.nix {
+        };
+        libsndfile = callPackage ../development/libraries/libsndfile {
+        };
+        libsodium = callPackage ../development/libraries/libsodium {
+        };
+        libsoup = callPackage ../development/libraries/libsoup {
+        };
+        libssh = callPackage ../development/libraries/libssh {
+        };
+        libssh2 = callPackage ../development/libraries/libssh2 {
+        };
+        libstartup_notification = callPackage ../development/libraries/startup-notification {
+        };
+        libspatialindex = callPackage ../development/libraries/libspatialindex {
+        };
+        libspatialite = callPackage ../development/libraries/libspatialite {
+        };
+        libtar = callPackage ../development/libraries/libtar {
+        };
+        libtasn1 = callPackage ../development/libraries/libtasn1 {
+        };
+        libtheora = callPackage ../development/libraries/libtheora {
+        };
+        libtiff = callPackage ../development/libraries/libtiff {
+        };
+        libtiger = callPackage ../development/libraries/libtiger {
+        };
+        libtommath = callPackage ../development/libraries/libtommath {
+        };
+        libtorrentRasterbar = callPackage ../development/libraries/libtorrent-rasterbar {
+          stdenv = if stdenv.isDarwin
+            then clangStdenv
+            else stdenv;
+        };
+        libtoxcore = callPackage ../development/libraries/libtoxcore {
+        };
+        libtsm = callPackage ../development/libraries/libtsm {
+        };
+        libtunepimp = callPackage ../development/libraries/libtunepimp {
+        };
+        libtxc_dxtn = callPackage ../development/libraries/libtxc_dxtn {
+        };
+        libtxc_dxtn_s2tc = callPackage ../development/libraries/libtxc_dxtn_s2tc {
+        };
+        libgeotiff = callPackage ../development/libraries/libgeotiff {
+        };
+        libunistring = callPackage ../development/libraries/libunistring {
+        };
+        libupnp = callPackage ../development/libraries/pupnp {
+        };
+        giflib = callPackage ../development/libraries/giflib {
+        };
+        giflib_4_1 = callPackage ../development/libraries/giflib/4.1.nix {
+        };
+        libungif = callPackage ../development/libraries/giflib/libungif.nix {
+        };
+        libunibreak = callPackage ../development/libraries/libunibreak {
+        };
+        libunique = callPackage ../development/libraries/libunique/default.nix {
+        };
+        liburcu = callPackage ../development/libraries/liburcu {
+        };
+        libusb = callPackage ../development/libraries/libusb {
+        };
+        libusb1 = callPackage ../development/libraries/libusb1 {
+          stdenv = if stdenv.isDarwin
+            then clangStdenv
+            else stdenv;
+        };
+        libunwind = callPackage ../development/libraries/libunwind {
+        };
+        libuvVersions = callPackage ../development/libraries/libuv {
+        };
+        libv4l = lowPrio (v4l_utils.override {
+          withQt4 = false;
+        });
+        libva = callPackage ../development/libraries/libva {
+        };
+        libvdpau = callPackage ../development/libraries/libvdpau {
+        };
+        libvirt = callPackage ../development/libraries/libvirt {
+        };
+        libvirt-glib = callPackage ../development/libraries/libvirt-glib {
+        };
+        libvisio = callPackage ../development/libraries/libvisio {
+        };
+        libvisual = callPackage ../development/libraries/libvisual {
+        };
+        libvncserver = callPackage ../development/libraries/libvncserver {
+        };
+        libviper = callPackage ../development/libraries/libviper {
+        };
+        libvpx = callPackage ../development/libraries/libvpx {
+        };
+        libvterm = callPackage ../development/libraries/libvterm {
+        };
+        libvorbis = callPackage ../development/libraries/libvorbis {
+        };
+        libwebp = callPackage ../development/libraries/libwebp {
+        };
+        libwmf = callPackage ../development/libraries/libwmf {
+        };
+        libwnck = libwnck2;
+        libwnck2 = callPackage ../development/libraries/libwnck {
+        };
+        libwnck3 = callPackage ../development/libraries/libwnck/3.x.nix {
+        };
+        libwpd = callPackage ../development/libraries/libwpd {
+        };
+        libwpd_08 = callPackage ../development/libraries/libwpd/0.8.nix {
+        };
+        libwpg = callPackage ../development/libraries/libwpg {
+        };
+        libx86 = builderDefsPackage ../development/libraries/libx86 {
+        };
+        libxdg_basedir = callPackage ../development/libraries/libxdg-basedir {
+        };
+        libxkbcommon = callPackage ../development/libraries/libxkbcommon {
+        };
+        libxklavier = callPackage ../development/libraries/libxklavier {
+        };
+        libxmi = callPackage ../development/libraries/libxmi {
+        };
+        libxml2 = callPackage ../development/libraries/libxml2 {
+          pythonSupport = false;
+        };
+        libxml2Python = lowPrio (libxml2.override {
+          pythonSupport = true;
+        });
+        libxmlxx = callPackage ../development/libraries/libxmlxx {
+        };
+        libxmp = callPackage ../development/libraries/libxmp {
+        };
+        libxslt = callPackage ../development/libraries/libxslt {
+        };
+        libixp_for_wmii = lowPrio (import ../development/libraries/libixp_for_wmii {
+          inherit fetchurl stdenv;
+        });
+        libyaml = callPackage ../development/libraries/libyaml {
+        };
+        libyamlcpp = callPackage ../development/libraries/libyaml-cpp {
+        };
+        libyamlcpp03 = callPackage ../development/libraries/libyaml-cpp/0.3.x.nix {
+        };
+        libyubikey = callPackage ../development/libraries/libyubikey {
+        };
+        libzip = callPackage ../development/libraries/libzip {
+        };
+        libzdb = callPackage ../development/libraries/libzdb {
+        };
+        libzrtpcpp = callPackage ../development/libraries/libzrtpcpp {
+        };
+        libzrtpcpp_1_6 = callPackage ../development/libraries/libzrtpcpp/1.6.nix {
+          ccrtp = ccrtp_1_8;
+        };
+        libwacom = callPackage ../development/libraries/libwacom {
+        };
+        lightning = callPackage ../development/libraries/lightning {
+        };
+        lirc = callPackage ../development/libraries/lirc {
+        };
+        liquidwar = builderDefsPackage ../games/liquidwar {
+          inherit (xlibs) xproto libX11
+          libXrender;
+          inherit gmp mesa libjpeg expat
+          gettext perl SDL SDL_image
+          SDL_mixer SDL_ttf curl sqlite
+          libogg libvorbis libcaca csound
+          cunit;
+          guile = guile_1_8;
+          libpng = libpng15;
+        };
+        log4cpp = callPackage ../development/libraries/log4cpp {
+        };
+        log4cxx = callPackage ../development/libraries/log4cxx {
+        };
+        log4cplus = callPackage ../development/libraries/log4cplus {
+        };
+        loudmouth = callPackage ../development/libraries/loudmouth {
+        };
+        lzo = callPackage ../development/libraries/lzo {
+        };
+        mdds_0_7_1 = callPackage ../development/libraries/mdds/0.7.1.nix {
+        };
+        mdds = callPackage ../development/libraries/mdds {
+        };
+        mediastreamer = callPackage ../development/libraries/mediastreamer {
+        };
+        menu-cache = callPackage ../development/libraries/menu-cache {
+        };
+        mesaSupported = lib.elem system lib.platforms.mesaPlatforms;
+        mesaDarwinOr = alternative:
+        if stdenv.isDarwin
+          then callPackage ../development/libraries/mesa-darwin {
+          }
+          else alternative;
+        mesa_noglu = mesaDarwinOr (callPackage ../development/libraries/mesa {
+          grsecEnabled = true;
+        });
+        mesa_glu = mesaDarwinOr (callPackage ../development/libraries/mesa-glu {
+        });
+        mesa_drivers = mesaDarwinOr (let
+          mo = mesa_noglu.override {
+            grsecEnabled = config.grsecurity or false;
+          };
+          in mo.drivers);
+        mesa = mesaDarwinOr (buildEnv {
+          name = "mesa-${mesa_noglu.version}";
+          paths = [ mesa_noglu mesa_glu ];
+        });
+        metaEnvironment = recurseIntoAttrs (let
+          callPackage = newScope pkgs.metaEnvironment;
+          in rec {
+            sdfLibrary = callPackage ../development/libraries/sdf-library {
+              aterm = aterm28;
+            };
+            toolbuslib = callPackage ../development/libraries/toolbuslib {
+              aterm = aterm28;
+              inherit (windows) w32api;
+            };
+            cLibrary = callPackage ../development/libraries/c-library {
+              aterm = aterm28;
+            };
+            errorSupport = callPackage ../development/libraries/error-support {
+              aterm = aterm28;
+            };
+            ptSupport = callPackage ../development/libraries/pt-support {
+              aterm = aterm28;
+            };
+            ptableSupport = callPackage ../development/libraries/ptable-support {
+              aterm = aterm28;
+            };
+            configSupport = callPackage ../development/libraries/config-support {
+              aterm = aterm28;
+            };
+            asfSupport = callPackage ../development/libraries/asf-support {
+              aterm = aterm28;
+            };
+            tideSupport = callPackage ../development/libraries/tide-support {
+              aterm = aterm28;
+            };
+            rstoreSupport = callPackage ../development/libraries/rstore-support {
+              aterm = aterm28;
+            };
+            sdfSupport = callPackage ../development/libraries/sdf-support {
+              aterm = aterm28;
+            };
+            sglr = callPackage ../development/libraries/sglr {
+              aterm = aterm28;
+            };
+            ascSupport = callPackage ../development/libraries/asc-support {
+              aterm = aterm28;
+            };
+            pgen = callPackage ../development/libraries/pgen {
+              aterm = aterm28;
+            };
+          });
+        ming = callPackage ../development/libraries/ming {
+        };
+        minizip = callPackage ../development/libraries/minizip {
+        };
+        minmay = callPackage ../development/libraries/minmay {
+        };
+        miro = callPackage ../applications/video/miro {
+          inherit (pythonPackages) pywebkitgtk
+          pysqlite pycurl mutagen;
+        };
+        mkvtoolnix = callPackage ../applications/video/mkvtoolnix {
+        };
+        mlt-qt4 = callPackage ../development/libraries/mlt {
+          qt = qt4;
+          SDL = SDL_pulseaudio;
+        };
+        mlt-qt5 = callPackage ../development/libraries/mlt {
+          qt = qt5;
+          SDL = SDL_pulseaudio;
+        };
+        movit = callPackage ../development/libraries/movit {
+        };
+        mps = callPackage ../development/libraries/mps {
+        };
+        libmpeg2 = callPackage ../development/libraries/libmpeg2 {
+        };
+        mpeg2dec = libmpeg2;
+        msilbc = callPackage ../development/libraries/msilbc {
+        };
+        mp4v2 = callPackage ../development/libraries/mp4v2 {
+        };
+        mpc = callPackage ../development/libraries/mpc {
+        };
+        mpich2 = callPackage ../development/libraries/mpich2 {
+        };
+        mtdev = callPackage ../development/libraries/mtdev {
+        };
+        mtpfs = callPackage ../tools/filesystems/mtpfs {
+        };
+        mu = callPackage ../tools/networking/mu {
+          texinfo = texinfo4;
+        };
+        muparser = callPackage ../development/libraries/muparser {
+        };
+        mygpoclient = callPackage ../development/python-modules/mygpoclient {
+        };
+        mygui = callPackage ../development/libraries/mygui {
+        };
+        myguiSvn = callPackage ../development/libraries/mygui/svn.nix {
+        };
+        mysocketw = callPackage ../development/libraries/mysocketw {
+        };
+        mythes = callPackage ../development/libraries/mythes {
+        };
+        nanomsg = callPackage ../development/libraries/nanomsg {
+        };
+        ncurses = callPackage ../development/libraries/ncurses {
+          unicode = system != "i686-cygwin";
+        };
+        neon = callPackage ../development/libraries/neon {
+          compressionSupport = true;
+          sslSupport = true;
+        };
+        nethack = builderDefsPackage (import ../games/nethack) {
+          inherit ncurses flex bison;
+        };
+        nettle = callPackage ../development/libraries/nettle {
+        };
+        newt = callPackage ../development/libraries/newt {
+        };
+        nix-plugins = callPackage ../development/libraries/nix-plugins {
+          nix = pkgs.nixUnstable;
+        };
+        nspr = callPackage ../development/libraries/nspr {
+        };
+        nss = lowPrio (callPackage ../development/libraries/nss {
+        });
+        nssTools = callPackage ../development/libraries/nss {
+          includeTools = true;
+        };
+        ntrack = callPackage ../development/libraries/ntrack {
+        };
+        nvidia-texture-tools = callPackage ../development/libraries/nvidia-texture-tools {
+        };
+        ode = builderDefsPackage (import ../development/libraries/ode) {
+        };
+        ogre = callPackage ../development/libraries/ogre {
+        };
+        ogrepaged = callPackage ../development/libraries/ogrepaged {
+        };
+        oniguruma = callPackage ../development/libraries/oniguruma {
+        };
+        openal = callPackage ../development/libraries/openal {
+        };
+        openalSoft = callPackage ../development/libraries/openal-soft {
+        };
+        openbabel = callPackage ../development/libraries/openbabel {
+        };
+        opencascade = callPackage ../development/libraries/opencascade {
+        };
+        opencascade_6_5 = callPackage ../development/libraries/opencascade/6.5.nix {
+          automake = automake111x;
+          ftgl = ftgl212;
+        };
+        opencascade_oce = callPackage ../development/libraries/opencascade/oce.nix {
+        };
+        opencsg = callPackage ../development/libraries/opencsg {
+        };
+        openct = callPackage ../development/libraries/openct {
+        };
+        opencv = callPackage ../development/libraries/opencv {
+        };
+        opencv_2_1 = callPackage ../development/libraries/opencv/2.1.nix {
+          libpng = libpng12;
+        };
+        openexr_ctl = callPackage ../development/libraries/openexr_ctl {
+        };
+        openexr = callPackage ../development/libraries/openexr {
+        };
+        openldap = callPackage ../development/libraries/openldap {
+        };
+        openlierox = callPackage ../games/openlierox {
+        };
+        libopensc_dnie = callPackage ../development/libraries/libopensc-dnie {
+        };
+        opencolorio = callPackage ../development/libraries/opencolorio {
+        };
+        ois = callPackage ../development/libraries/ois {
+        };
+        opal = callPackage ../development/libraries/opal {
+        };
+        openjpeg = callPackage ../development/libraries/openjpeg {
+          lcms = lcms2;
+        };
+        openscenegraph = callPackage ../development/libraries/openscenegraph {
+          giflib = giflib_4_1;
+          ffmpeg = ffmpeg_0_10;
+        };
+        openspades = callPackage ../games/openspades {
+        };
+        libressl = callPackage ../development/libraries/libressl {
+        };
+        boringssl = callPackage ../development/libraries/boringssl {
+        };
+        openssl = callPackage ../development/libraries/openssl {
+          fetchurl = fetchurlBoot;
+          cryptodevHeaders = linuxPackages.cryptodev.override {
+            fetchurl = fetchurlBoot;
+            onlyHeaders = true;
+          };
+        };
+        ortp = callPackage ../development/libraries/ortp {
+          srtp = srtp_linphone;
+        };
+        p11_kit = callPackage ../development/libraries/p11-kit {
+        };
+        paperkey = callPackage ../tools/security/paperkey {
+        };
+        pangoxsl = callPackage ../development/libraries/pangoxsl {
+        };
+        pcl = callPackage ../development/libraries/pcl {
+          vtk = vtkWithQt4;
+        };
+        pcre = callPackage ../development/libraries/pcre {
+          unicodeSupport = config.pcre.unicode or true;
+        };
+        pdf2xml = callPackage ../development/libraries/pdf2xml {
+        };
+        phonon = callPackage ../development/libraries/phonon {
+        };
+        phonon_backend_gstreamer = callPackage ../development/libraries/phonon-backend-gstreamer {
+        };
+        phonon_backend_vlc = callPackage ../development/libraries/phonon-backend-vlc {
+        };
+        physfs = callPackage ../development/libraries/physfs {
+        };
+        pkcs11helper = callPackage ../development/libraries/pkcs11helper {
+        };
+        plib = callPackage ../development/libraries/plib {
+        };
+        pocketsphinx = callPackage ../development/libraries/pocketsphinx {
+        };
+        podofo = callPackage ../development/libraries/podofo {
+        };
+        polkit = callPackage ../development/libraries/polkit {
+          spidermonkey = spidermonkey_185;
+        };
+        polkit_qt_1 = callPackage ../development/libraries/polkit-qt-1 {
+        };
+        policykit = callPackage ../development/libraries/policykit {
+        };
+        poppler = callPackage ../development/libraries/poppler {
+          lcms = lcms2;
+        };
+        popplerQt4 = poppler.poppler_qt4;
+        popt = callPackage ../development/libraries/popt {
+        };
+        portaudio = callPackage ../development/libraries/portaudio {
+          stdenv = if stdenv.isDarwin
+            then clangStdenv
+            else stdenv;
+        };
+        portaudioSVN = callPackage ../development/libraries/portaudio/svn-head.nix {
+        };
+        portmidi = callPackage ../development/libraries/portmidi {
+        };
+        prison = callPackage ../development/libraries/prison {
+        };
+        proj = callPackage ../development/libraries/proj {
+        };
+        postgis = callPackage ../development/libraries/postgis {
+        };
+        protobuf = callPackage ../development/libraries/protobuf {
+        };
+        protobufc = callPackage ../development/libraries/protobufc {
+        };
+        pth = callPackage ../development/libraries/pth {
+        };
+        ptlib = callPackage ../development/libraries/ptlib {
+        };
+        re2 = callPackage ../development/libraries/re2 {
+        };
+        qca2 = callPackage ../development/libraries/qca2 {
+        };
+        qca2_ossl = callPackage ../development/libraries/qca2/ossl.nix {
+        };
+        qimageblitz = callPackage ../development/libraries/qimageblitz {
+        };
+        qjson = callPackage ../development/libraries/qjson {
+        };
+        qoauth = callPackage ../development/libraries/qoauth {
+        };
+        qt3 = callPackage ../development/libraries/qt-3 {
+          openglSupport = mesaSupported;
+          libpng = libpng12;
+        };
+        qt4 = pkgs.kde4.qt4;
+        qt48 = callPackage ../development/libraries/qt-4.x/4.8 {
+          mesa = mesa_noglu;
+          inherit (pkgs.gnome) libgnomeui
+          GConf gnome_vfs;
+          cups = if stdenv.isLinux
+            then cups
+            else null;
+          stdenv = if stdenv.isDarwin
+            then clangStdenv
+            else stdenv;
+        };
+        qt48Full = qt48.override {
+          docs = true;
+          demos = true;
+          examples = true;
+          developerBuild = true;
+        };
+        qt4SDK = qtcreator.override {
+          sdkBuild = true;
+          qtLib = qt48Full;
+        };
+        qt53Full = qt53.override {
+          buildDocs = true;
+          buildExamples = true;
+          buildTests = true;
+          developerBuild = true;
+        };
+        qt53 = callPackage ../development/libraries/qt-5/qt-5.3.nix {
+          mesa = mesa_noglu;
+          cups = if stdenv.isLinux
+            then cups
+            else null;
+          inherit (gnome) libgnomeui GConf
+          gnome_vfs;
+          bison = bison2;
+        };
+        qt5 = callPackage ../development/libraries/qt-5 {
+          mesa = mesa_noglu;
+          cups = if stdenv.isLinux
+            then cups
+            else null;
+          inherit (gnome) libgnomeui GConf
+          gnome_vfs;
+          bison = bison2;
+        };
+        qt5Full = qt5.override {
+          buildDocs = true;
+          buildExamples = true;
+          buildTests = true;
+          developerBuild = true;
+        };
+        qt5SDK = qtcreator.override {
+          sdkBuild = true;
+          qtLib = qt5Full;
+        };
+        qtcreator = callPackage ../development/qtcreator {
+          qtLib = qt48.override {
+            developerBuild = true;
+          };
+        };
+        qtscriptgenerator = callPackage ../development/libraries/qtscriptgenerator {
+        };
+        quesoglc = callPackage ../development/libraries/quesoglc {
+        };
+        qwt = callPackage ../development/libraries/qwt {
+        };
+        qwt6 = callPackage ../development/libraries/qwt/6.nix {
+        };
+        rabbitmq-c = callPackage ../development/libraries/rabbitmq-c {
+        };
+        rabbitmq-java-client = callPackage ../development/libraries/rabbitmq-java-client {
+        };
+        raul = callPackage ../development/libraries/audio/raul {
+        };
+        readline = readline6;
+        readline4 = callPackage ../development/libraries/readline/readline4.nix {
+        };
+        readline5 = callPackage ../development/libraries/readline/readline5.nix {
+        };
+        readline6 = callPackage ../development/libraries/readline/readline6.nix {
+        };
+        readline63 = callPackage ../development/libraries/readline/readline6.3.nix {
+        };
+        librdf_raptor = callPackage ../development/libraries/librdf/raptor.nix {
+        };
+        librdf_raptor2 = callPackage ../development/libraries/librdf/raptor2.nix {
+        };
+        librdf_rasqal = callPackage ../development/libraries/librdf/rasqal.nix {
+        };
+        librdf_redland = callPackage ../development/libraries/librdf/redland.nix {
+        };
+        librdf = callPackage ../development/libraries/librdf {
+        };
+        lilv = callPackage ../development/libraries/audio/lilv {
+        };
+        lv2 = callPackage ../development/libraries/audio/lv2 {
+        };
+        lvtk = callPackage ../development/libraries/audio/lvtk {
+        };
+        qrupdate = callPackage ../development/libraries/qrupdate {
+        };
+        redland = pkgs.librdf_redland;
+        rhino = callPackage ../development/libraries/java/rhino {
+          javac = gcj;
+          jvm = gcj;
+        };
+        rlog = callPackage ../development/libraries/rlog {
+        };
+        rubberband = callPackage ../development/libraries/rubberband {
+          fftw = fftwSinglePrec;
+          inherit (vamp) vampSDK;
+        };
+        sbc = callPackage ../development/libraries/sbc {
+        };
+        schroedinger = callPackage ../development/libraries/schroedinger {
+        };
+        SDL = callPackage ../development/libraries/SDL {
+          openglSupport = mesaSupported;
+          alsaSupport = !stdenv.isDarwin;
+          x11Support = true;
+          pulseaudioSupport = stdenv.isDarwin;
+          stdenv = if stdenv.isDarwin
+            then clangStdenv
+            else stdenv;
+        };
+        SDL_pulseaudio = SDL.override {
+          pulseaudioSupport = true;
+        };
+        SDL_gfx = callPackage ../development/libraries/SDL_gfx {
+        };
+        SDL_image = callPackage ../development/libraries/SDL_image {
+          stdenv = if stdenv.isDarwin
+            then clangStdenv
+            else stdenv;
+        };
+        SDL_mixer = callPackage ../development/libraries/SDL_mixer {
+        };
+        SDL_net = callPackage ../development/libraries/SDL_net {
+        };
+        SDL_sound = callPackage ../development/libraries/SDL_sound {
+        };
+        SDL_ttf = callPackage ../development/libraries/SDL_ttf {
+        };
+        SDL2 = callPackage ../development/libraries/SDL2 {
+          openglSupport = mesaSupported;
+          alsaSupport = true;
+          x11Support = true;
+          pulseaudioSupport = false;
+        };
+        SDL2_image = callPackage ../development/libraries/SDL2_image {
+        };
+        SDL2_mixer = callPackage ../development/libraries/SDL2_mixer {
+        };
+        SDL2_net = callPackage ../development/libraries/SDL2_net {
+        };
+        SDL2_gfx = callPackage ../development/libraries/SDL2_gfx {
+        };
+        serd = callPackage ../development/libraries/serd {
+        };
+        serf = callPackage ../development/libraries/serf {
+        };
+        silgraphite = callPackage ../development/libraries/silgraphite {
+        };
+        graphite2 = callPackage ../development/libraries/silgraphite/graphite2.nix {
+        };
+        simgear = callPackage ../development/libraries/simgear {
+        };
+        sfml_git = callPackage ../development/libraries/sfml {
+        };
+        skalibs = callPackage ../development/libraries/skalibs {
+        };
+        slang = callPackage ../development/libraries/slang {
+        };
+        slibGuile = callPackage ../development/libraries/slib {
+          scheme = guile_1_8;
+          texinfo = texinfo4;
+        };
+        smpeg = callPackage ../development/libraries/smpeg {
+        };
+        snack = callPackage ../development/libraries/snack {
+        };
+        snappy = callPackage ../development/libraries/snappy {
+        };
+        sodium = callPackage ../development/libraries/sodium {
+        };
+        sofia_sip = callPackage ../development/libraries/sofia-sip {
+        };
+        soprano = callPackage ../development/libraries/soprano {
+        };
+        soqt = callPackage ../development/libraries/soqt {
+        };
+        sord = callPackage ../development/libraries/sord {
+        };
+        spandsp = callPackage ../development/libraries/spandsp {
+        };
+        speechd = callPackage ../development/libraries/speechd {
+        };
+        speech_tools = callPackage ../development/libraries/speech-tools {
+        };
+        speex = callPackage ../development/libraries/speex {
+        };
+        sphinxbase = callPackage ../development/libraries/sphinxbase {
+        };
+        spice = callPackage ../development/libraries/spice {
+          celt = celt_0_5_1;
+          inherit (xlibs) libXrandr
+          libXfixes libXext libXrender
+          libXinerama;
+          inherit (pythonPackages) pyparsing;
+        };
+        spice_gtk = callPackage ../development/libraries/spice-gtk {
+        };
+        spice_protocol = callPackage ../development/libraries/spice-protocol {
+        };
+        sratom = callPackage ../development/libraries/audio/sratom {
+        };
+        srtp = callPackage ../development/libraries/srtp {
+        };
+        srtp_linphone = callPackage ../development/libraries/srtp/linphone.nix {
+        };
+        sqlite = lowPrio (callPackage ../development/libraries/sqlite {
+          readline = null;
+          ncurses = null;
+        });
+        sqliteInteractive = appendToName "interactive" (sqlite.override {
+          inherit readline ncurses;
+        });
+        sqlcipher = lowPrio (callPackage ../development/libraries/sqlcipher {
+          readline = null;
+          ncurses = null;
+        });
+        stfl = callPackage ../development/libraries/stfl {
+          stdenv = if stdenv.isDarwin
+            then overrideGCC stdenv gccApple
+            else stdenv;
+        };
+        stlink = callPackage ../development/tools/misc/stlink {
+        };
+        steghide = callPackage ../tools/security/steghide {
+        };
+        stepmania = callPackage ../games/stepmania {
+        };
+        stlport = callPackage ../development/libraries/stlport {
+        };
+        strigi = callPackage ../development/libraries/strigi {
+          clucene_core = clucene_core_2;
+        };
+        subtitleeditor = callPackage ../applications/video/subtitleeditor {
+        };
+        suil = callPackage ../development/libraries/audio/suil {
+        };
+        suitesparse = callPackage ../development/libraries/suitesparse {
+        };
+        sutils = callPackage ../tools/misc/sutils {
+        };
+        sword = callPackage ../development/libraries/sword {
+        };
+        szip = callPackage ../development/libraries/szip {
+        };
+        t1lib = callPackage ../development/libraries/t1lib {
+        };
+        taglib = callPackage ../development/libraries/taglib {
+        };
+        taglib_extras = callPackage ../development/libraries/taglib-extras {
+        };
+        talloc = callPackage ../development/libraries/talloc {
+        };
+        tclap = callPackage ../development/libraries/tclap {
+        };
+        tclgpg = callPackage ../development/libraries/tclgpg {
+        };
+        tcllib = callPackage ../development/libraries/tcllib {
+        };
+        tcltls = callPackage ../development/libraries/tcltls {
+        };
+        tdb = callPackage ../development/libraries/tdb {
+        };
+        tecla = callPackage ../development/libraries/tecla {
+        };
+        telepathy_glib = callPackage ../development/libraries/telepathy/glib {
+        };
+        telepathy_farstream = callPackage ../development/libraries/telepathy/farstream {
+        };
+        telepathy_qt = callPackage ../development/libraries/telepathy/qt {
+        };
+        thrift = callPackage ../development/libraries/thrift {
+        };
+        tinyxml = tinyxml2;
+        tinyxml2 = callPackage ../development/libraries/tinyxml/2.6.2.nix {
+        };
+        tk = callPackage ../development/libraries/tk {
+        };
+        tnt = callPackage ../development/libraries/tnt {
+        };
+        tokyocabinet = callPackage ../development/libraries/tokyo-cabinet {
+        };
+        tokyotyrant = callPackage ../development/libraries/tokyo-tyrant {
+        };
+        tremor = callPackage ../development/libraries/tremor {
+        };
+        unicap = callPackage ../development/libraries/unicap {
+        };
+        tsocks = callPackage ../development/libraries/tsocks {
+        };
+        unixODBC = callPackage ../development/libraries/unixODBC {
+        };
+        unixODBCDrivers = recurseIntoAttrs (import ../development/libraries/unixODBCDrivers {
+          inherit fetchurl stdenv unixODBC
+          glibc libtool openssl zlib;
+          inherit postgresql mysql sqlite;
+        });
+        urt = callPackage ../development/libraries/urt {
+        };
+        ustr = callPackage ../development/libraries/ustr {
+        };
+        usbredir = callPackage ../development/libraries/usbredir {
+          libusb = libusb1;
+        };
+        ucommon = callPackage ../development/libraries/ucommon {
+        };
+        v8 = callPackage ../development/libraries/v8 {
+          inherit (pythonPackages) gyp;
+        };
+        vaapiIntel = callPackage ../development/libraries/vaapi-intel {
+        };
+        vaapiVdpau = callPackage ../development/libraries/vaapi-vdpau {
+        };
+        vamp = callPackage ../development/libraries/audio/vamp {
+        };
+        vcdimager = callPackage ../development/libraries/vcdimager {
+        };
+        vigra = callPackage ../development/libraries/vigra {
+          inherit (pkgs.pythonPackages) numpy;
+        };
+        vlock = callPackage ../misc/screensavers/vlock {
+        };
+        vmime = callPackage ../development/libraries/vmime {
+        };
+        vrpn = callPackage ../development/libraries/vrpn {
+        };
+        vtk = callPackage ../development/libraries/vtk {
+        };
+        vtkWithQt4 = vtk.override {
+          qtLib = qt4;
+        };
+        vxl = callPackage ../development/libraries/vxl {
+          libpng = libpng12;
+        };
+        wayland = callPackage ../development/libraries/wayland {
+        };
+        webkit = webkitgtk;
+        webkitgtk = callPackage ../development/libraries/webkitgtk {
+          harfbuzz = harfbuzz.override {
+            withIcu = true;
+          };
+          gst-plugins-base = gst_all_1.gst-plugins-base;
+        };
+        webkitgtk2 = webkitgtk.override {
+          withGtk2 = true;
+          enableIntrospection = false;
+        };
+        wildmidi = callPackage ../development/libraries/wildmidi {
+        };
+        wvstreams = callPackage ../development/libraries/wvstreams {
+        };
+        wxGTK = wxGTK28;
+        wxGTK28 = callPackage ../development/libraries/wxGTK-2.8 {
+          inherit (gnome) GConf;
+          withMesa = lib.elem system lib.platforms.mesaPlatforms;
+        };
+        wxGTK29 = callPackage ../development/libraries/wxGTK-2.9/default.nix {
+          inherit (gnome) GConf;
+          withMesa = lib.elem system lib.platforms.mesaPlatforms;
+          stdenv = if stdenv.isDarwin
+            then clangStdenv
+            else stdenv;
+        };
+        wxGTK30 = callPackage ../development/libraries/wxGTK-3.0/default.nix {
+          inherit (gnome) GConf;
+          withMesa = lib.elem system lib.platforms.mesaPlatforms;
+          stdenv = if stdenv.isDarwin
+            then clangStdenv
+            else stdenv;
+        };
+        wtk = callPackage ../development/libraries/wtk {
+        };
+        x264 = callPackage ../development/libraries/x264 {
+        };
+        xapian = callPackage ../development/libraries/xapian {
+        };
+        xapianBindings = callPackage ../development/libraries/xapian/bindings {
+        };
+        xapian10 = callPackage ../development/libraries/xapian/1.0.x.nix {
+        };
+        xapianBindings10 = callPackage ../development/libraries/xapian/bindings/1.0.x.nix {
+        };
+        Xaw3d = callPackage ../development/libraries/Xaw3d {
+        };
+        xbase = callPackage ../development/libraries/xbase {
+        };
+        xcb-util-cursor = callPackage ../development/libraries/xcb-util-cursor {
+        };
+        xdo = callPackage ../tools/misc/xdo {
+        };
+        xineLib = callPackage ../development/libraries/xine-lib {
+          ffmpeg = ffmpeg_1;
+        };
+        xautolock = callPackage ../misc/screensavers/xautolock {
+        };
+        xercesc = callPackage ../development/libraries/xercesc {
+        };
+        xlibsWrapper = callPackage ../development/libraries/xlibs-wrapper {
+          packages = [
+            freetype
+            fontconfig
+            xlibs.xproto
+            xlibs.libX11
+            xlibs.libXt
+            xlibs.libXft
+            xlibs.libXext
+            xlibs.libSM
+            xlibs.libICE
+            xlibs.xextproto
+          ];
+        };
+        xmlrpc_c = callPackage ../development/libraries/xmlrpc-c {
+        };
+        xmlsec = callPackage ../development/libraries/xmlsec {
+        };
+        xvidcore = callPackage ../development/libraries/xvidcore {
+        };
+        xylib = callPackage ../development/libraries/xylib {
+        };
+        yajl = callPackage ../development/libraries/yajl {
+        };
+        zangband = builderDefsPackage (import ../games/zangband) {
+          inherit ncurses flex bison
+          autoconf automake m4 coreutils;
+        };
+        zeitgeist = callPackage ../development/libraries/zeitgeist {
+        };
+        zlib = callPackage ../development/libraries/zlib {
+          fetchurl = fetchurlBoot;
+        };
+        zlibStatic = lowPrio (appendToName "static" (callPackage ../development/libraries/zlib {
+          static = true;
+        }));
+        zeromq2 = callPackage ../development/libraries/zeromq/2.x.nix {
+        };
+        zeromq3 = callPackage ../development/libraries/zeromq/3.x.nix {
+        };
+        zeromq4 = callPackage ../development/libraries/zeromq/4.x.nix {
+        };
+        zziplib = callPackage ../development/libraries/zziplib {
+        };
+        atermjava = callPackage ../development/libraries/java/aterm {
+          stdenv = overrideInStdenv stdenv [
+            gnumake380
+          ];
+        };
+        commonsFileUpload = callPackage ../development/libraries/java/jakarta-commons/file-upload {
+        };
+        fastjar = callPackage ../development/tools/java/fastjar {
+        };
+        httpunit = callPackage ../development/libraries/java/httpunit {
+        };
+        gwtdragdrop = callPackage ../development/libraries/java/gwt-dragdrop {
+        };
+        gwtwidgets = callPackage ../development/libraries/java/gwt-widgets {
+        };
+        jakartabcel = callPackage ../development/libraries/java/jakarta-bcel {
+          regexp = jakartaregexp;
+        };
+        jakartaregexp = callPackage ../development/libraries/java/jakarta-regexp {
+        };
+        javaCup = callPackage ../development/libraries/java/cup {
+        };
+        javasvn = callPackage ../development/libraries/java/javasvn {
+        };
+        jclasslib = callPackage ../development/tools/java/jclasslib {
+        };
+        jdom = callPackage ../development/libraries/java/jdom {
+        };
+        jflex = callPackage ../development/libraries/java/jflex {
+        };
+        jjtraveler = callPackage ../development/libraries/java/jjtraveler {
+          stdenv = overrideInStdenv stdenv [
+            gnumake380
+          ];
+        };
+        junit = callPackage ../development/libraries/java/junit {
+          antBuild = releaseTools.antBuild;
+        };
+        junixsocket = callPackage ../development/libraries/java/junixsocket {
+        };
+        jzmq = callPackage ../development/libraries/java/jzmq {
+        };
+        lucene = callPackage ../development/libraries/java/lucene {
+        };
+        mockobjects = callPackage ../development/libraries/java/mockobjects {
+        };
+        saxon = callPackage ../development/libraries/java/saxon {
+        };
+        saxonb = callPackage ../development/libraries/java/saxon/default8.nix {
+        };
+        sharedobjects = callPackage ../development/libraries/java/shared-objects {
+          stdenv = overrideInStdenv stdenv [
+            gnumake380
+          ];
+        };
+        smack = callPackage ../development/libraries/java/smack {
+        };
+        swt = callPackage ../development/libraries/java/swt {
+          inherit (gnome) libsoup;
+        };
+        jquery_ui = callPackage ../development/libraries/javascript/jquery-ui {
+        };
+        yuicompressor = callPackage ../development/tools/yuicompressor {
+        };
+        asdf = callPackage ../development/lisp-modules/asdf {
+          texLive = null;
+        };
+        clwrapperFunction = callPackage ../development/lisp-modules/clwrapper;
+        wrapLisp = lisp:
+        clwrapperFunction {
+          inherit lisp;
+        };
+        lispPackagesFor = clwrapper:
+        callPackage ../development/lisp-modules/lisp-packages.nix {
+          inherit clwrapper;
+        };
+        lispPackagesClisp = lispPackagesFor (wrapLisp clisp);
+        lispPackagesSBCL = lispPackagesFor (wrapLisp sbcl);
+        lispPackages = recurseIntoAttrs lispPackagesSBCL;
+        buildPerlPackage = import ../development/perl-modules/generic perl;
+        perlPackages = recurseIntoAttrs (import ./perl-packages.nix {
+          inherit pkgs;
+          overrides = (config.perlPackageOverrides or p:
+          { }) pkgs;
+        });
+        perl514Packages = import ./perl-packages.nix {
+          pkgs = pkgs // {
+            perl = perl514;
+            buildPerlPackage = import ../development/perl-modules/generic perl514;
+          };
+          overrides = (config.perl514PackageOverrides or p:
+          { }) pkgs;
+        };
+        perlXMLParser = perlPackages.XMLParser;
+        ack = perlPackages.ack;
+        perlArchiveCpio = perlPackages.ArchiveCpio;
+        perlcritic = perlPackages.PerlCritic;
+        planetary_annihilation = callPackage ../games/planetaryannihilation {
+        };
+        buildPythonPackage = pythonPackages.buildPythonPackage;
+        python26Packages = import ./python-packages.nix {
+          inherit pkgs;
+          python = python26;
+        };
+        python27Packages = lib.hiPrioSet (recurseIntoAttrs (import ./python-packages.nix {
+          inherit pkgs;
+          python = python27;
+        }));
+        python32Packages = import ./python-packages.nix {
+          inherit pkgs;
+          python = python32;
+        };
+        python33Packages = recurseIntoAttrs (import ./python-packages.nix {
+          inherit pkgs;
+          python = python33;
+        });
+        python34Packages = recurseIntoAttrs (import ./python-packages.nix {
+          inherit pkgs;
+          python = python34;
+        });
+        pypyPackages = recurseIntoAttrs (import ./python-packages.nix {
+          inherit pkgs;
+          python = pypy;
+        });
+        foursuite = callPackage ../development/python-modules/4suite {
+        };
+        bsddb3 = callPackage ../development/python-modules/bsddb3 {
+        };
+        ecdsa = callPackage ../development/python-modules/ecdsa {
+        };
+        numeric = callPackage ../development/python-modules/numeric {
+        };
+        pil = pythonPackages.pil;
+        psyco = callPackage ../development/python-modules/psyco {
+        };
+        pycairo = pythonPackages.pycairo;
+        pycapnp = pythonPackages.pycapnp;
+        pycrypto = pythonPackages.pycrypto;
+        pycups = callPackage ../development/python-modules/pycups {
+        };
+        pyexiv2 = callPackage ../development/python-modules/pyexiv2 {
+        };
+        pygame = callPackage ../development/python-modules/pygame {
+        };
+        pygobject = pythonPackages.pygobject;
+        pygobject3 = pythonPackages.pygobject3;
+        pygtk = pythonPackages.pygtk;
+        pyGtkGlade = pythonPackages.pyGtkGlade;
+        pylint = callPackage ../development/python-modules/pylint {
+        };
+        pyopenssl = builderDefsPackage (import ../development/python-modules/pyopenssl) {
+          inherit python openssl;
+        };
+        rhpl = callPackage ../development/python-modules/rhpl {
+        };
+        sip = callPackage ../development/python-modules/sip {
+        };
+        pyqt4 = callPackage ../development/python-modules/pyqt/4.x.nix {
+          stdenv = if stdenv.isDarwin
+            then clangStdenv
+            else stdenv;
+        };
+        pysideApiextractor = callPackage ../development/python-modules/pyside/apiextractor.nix {
+        };
+        pysideGeneratorrunner = callPackage ../development/python-modules/pyside/generatorrunner.nix {
+        };
+        pyside = callPackage ../development/python-modules/pyside {
+        };
+        pysideTools = callPackage ../development/python-modules/pyside/tools.nix {
+        };
+        pysideShiboken = callPackage ../development/python-modules/pyside/shiboken.nix {
+        };
+        pyx = callPackage ../development/python-modules/pyx {
+        };
+        pyxml = callPackage ../development/python-modules/pyxml {
+        };
+        rbtools = callPackage ../development/python-modules/rbtools {
+        };
+        setuptools = pythonPackages.setuptools;
+        slowaes = callPackage ../development/python-modules/slowaes {
+        };
+        wxPython = pythonPackages.wxPython;
+        wxPython28 = pythonPackages.wxPython28;
+        twisted = pythonPackages.twisted;
+        ZopeInterface = pythonPackages.zope_interface;
+        R = callPackage ../applications/science/math/R {
+          inherit (xlibs) libX11 libXt;
+          texLive = texLiveAggregationFun {
+            paths = [
+              texLive
+              texLiveExtra
+            ];
+          };
+          withRecommendedPackages = false;
+        };
+        rWrapper = callPackage ../development/r-modules/wrapper.nix {
+          recommendedPackages = with rPackages; [
+            MASS
+            lattice
+            Matrix
+            nlme
+            survival
+            boot
+            cluster
+            codetools
+            foreign
+            KernSmooth
+            rpart
+            class
+            nnet
+            spatial
+            mgcv
+          ];
+          packages = [ ];
+        };
+        rPackages = import ../development/r-modules/cran-packages.nix {
+          inherit pkgs;
+          overrides = (config.rPackageOverrides or p:
+          { }) pkgs;
+        };
+        rdf4store = callPackage ../servers/http/4store {
+        };
+        apacheHttpd = pkgs.apacheHttpd_2_2;
+        apacheHttpd_2_2 = callPackage ../servers/http/apache-httpd/2.2.nix {
+          sslSupport = true;
+        };
+        apacheHttpd_2_4 = lowPrio (callPackage ../servers/http/apache-httpd/2.4.nix {
+          sslSupport = true;
+        });
+        apcupsd = callPackage ../servers/apcupsd {
+        };
+        sabnzbd = callPackage ../servers/sabnzbd {
+        };
+        bind = callPackage ../servers/dns/bind {
+        };
+        bird = callPackage ../servers/bird {
+        };
+        couchdb = callPackage ../servers/http/couchdb {
+          spidermonkey = spidermonkey_185;
+          python = python27;
+          sphinx = python27Packages.sphinx;
+          erlang = erlangR16;
+        };
+        dico = callPackage ../servers/dico {
+        };
+        dict = callPackage ../servers/dict {
+          libmaa = callPackage ../servers/dict/libmaa.nix {
+          };
+        };
+        dictdDBs = recurseIntoAttrs (import ../servers/dict/dictd-db.nix {
+          inherit builderDefs;
+        });
+        dictDBCollector = import ../servers/dict/dictd-db-collector.nix {
+          inherit stdenv lib dict;
+        };
+        dictdWiktionary = callPackage ../servers/dict/dictd-wiktionary.nix {
+        };
+        dictdWordnet = callPackage ../servers/dict/dictd-wordnet.nix {
+        };
+        diod = callPackage ../servers/diod {
+        };
+        dovecot = dovecot21;
+        dovecot21 = callPackage ../servers/mail/dovecot {
+        };
+        dovecot22 = callPackage ../servers/mail/dovecot/2.2.x.nix {
+        };
+        dovecot_pigeonhole = callPackage ../servers/mail/dovecot-pigeonhole {
+        };
+        etcd = callPackage ../servers/etcd {
+        };
+        ejabberd = callPackage ../servers/xmpp/ejabberd {
+          erlang = erlangR16;
+        };
+        elasticmq = callPackage ../servers/elasticmq {
+        };
+        etcdctl = callPackage ../development/tools/etcdctl {
+        };
+        fcgiwrap = callPackage ../servers/fcgiwrap {
+        };
+        felix = callPackage ../servers/felix {
+        };
+        felix_remoteshell = callPackage ../servers/felix/remoteshell.nix {
+        };
+        fingerd_bsd = callPackage ../servers/fingerd/bsd-fingerd {
+        };
+        firebird = callPackage ../servers/firebird {
+          icu = null;
+        };
+        firebirdSuper = callPackage ../servers/firebird {
+          superServer = true;
+        };
+        fleet = callPackage ../servers/fleet {
+        };
+        freepops = callPackage ../servers/mail/freepops {
+        };
+        freeswitch = callPackage ../servers/sip/freeswitch {
+        };
+        ghostOne = callPackage ../servers/games/ghost-one {
+          boost = boost144.override {
+            taggedLayout = true;
+          };
+        };
+        ircdHybrid = callPackage ../servers/irc/ircd-hybrid {
+        };
+        jboss = callPackage ../servers/http/jboss {
+        };
+        jboss_mysql_jdbc = callPackage ../servers/http/jboss/jdbc/mysql {
+        };
+        jetty = callPackage ../servers/http/jetty {
+        };
+        jetty61 = callPackage ../servers/http/jetty/6.1 {
+        };
+        joseki = callPackage ../servers/http/joseki {
+        };
+        leafnode = callPackage ../servers/news/leafnode {
+        };
+        lighttpd = callPackage ../servers/http/lighttpd {
+        };
+        mailman = callPackage ../servers/mail/mailman {
+        };
+        mediatomb = callPackage ../servers/mediatomb {
+        };
+        memcached = callPackage ../servers/memcached {
+        };
+        mod_dnssd = callPackage ../servers/http/apache-modules/mod_dnssd/default.nix {
+        };
+        mod_evasive = callPackage ../servers/http/apache-modules/mod_evasive {
+        };
+        mod_python = callPackage ../servers/http/apache-modules/mod_python {
+        };
+        mod_fastcgi = callPackage ../servers/http/apache-modules/mod_fastcgi {
+        };
+        mod_wsgi = callPackage ../servers/http/apache-modules/mod_wsgi {
+        };
+        mpd = callPackage ../servers/mpd {
+          aacSupport = config.mpd.aacSupport or true;
+          ffmpegSupport = config.mpd.ffmpegSupport or true;
+        };
+        mpd_clientlib = callPackage ../servers/mpd/clientlib.nix {
+        };
+        miniHttpd = callPackage ../servers/http/mini-httpd {
+        };
+        mlmmj = callPackage ../servers/mail/mlmmj {
+        };
+        myserver = callPackage ../servers/http/myserver {
+        };
+        nginx = callPackage ../servers/http/nginx {
+          rtmp = true;
+          fullWebDAV = true;
+          syslog = true;
+          moreheaders = true;
+        };
+        ngircd = callPackage ../servers/irc/ngircd {
+        };
+        nix-binary-cache = callPackage ../servers/http/nix-binary-cache {
+        };
+        nsd = callPackage ../servers/dns/nsd {
+        };
+        nsq = callPackage ../servers/nsq {
+        };
+        openresty = callPackage ../servers/http/openresty {
+        };
+        opensmtpd = callPackage ../servers/mail/opensmtpd {
+        };
+        petidomo = callPackage ../servers/mail/petidomo {
+        };
+        popa3d = callPackage ../servers/mail/popa3d {
+        };
+        postfix = callPackage ../servers/mail/postfix {
+        };
+        postfix211 = callPackage ../servers/mail/postfix/2.11.nix {
+        };
+        pulseaudio = callPackage ../servers/pulseaudio {
+          gconf = gnome.GConf;
+          bluez = null;
+          avahi = null;
+        };
+        pulseaudioFull = pulseaudio.override {
+          bluez = bluez5;
+          avahi = avahi;
+          jackaudioSupport = true;
+          x11Support = true;
+        };
+        tomcat_connectors = callPackage ../servers/http/apache-modules/tomcat-connectors {
+        };
+        pies = callPackage ../servers/pies {
+        };
+        portmap = callPackage ../servers/portmap {
+        };
+        rpcbind = callPackage ../servers/rpcbind {
+        };
+        mariadb = callPackage ../servers/sql/mariadb {
+        };
+        mongodb = callPackage ../servers/nosql/mongodb {
+        };
+        riak = callPackage ../servers/nosql/riak/1.3.1.nix {
+        };
+        influxdb = callPackage ../servers/nosql/influxdb {
+        };
+        mysql51 = import ../servers/sql/mysql/5.1.x.nix {
+          inherit fetchurl ncurses zlib
+          perl openssl stdenv;
+          ps = procps;
+        };
+        mysql55 = callPackage ../servers/sql/mysql/5.5.x.nix {
+        };
+        mysql = mysql51;
+        mysql_jdbc = callPackage ../servers/sql/mysql/jdbc {
+        };
+        nagios = callPackage ../servers/monitoring/nagios {
+        };
+        munin = callPackage ../servers/monitoring/munin {
+        };
+        nagiosPluginsOfficial = callPackage ../servers/monitoring/nagios/plugins/official-2.x.nix {
+        };
+        neo4j = callPackage ../servers/nosql/neo4j {
+        };
+        net_snmp = callPackage ../servers/monitoring/net-snmp {
+        };
+        riemann = callPackage ../servers/monitoring/riemann {
+        };
+        oidentd = callPackage ../servers/identd/oidentd {
+        };
+        openfire = callPackage ../servers/xmpp/openfire {
+        };
+        oracleXE = callPackage ../servers/sql/oracle-xe {
+        };
+        OVMF = callPackage ../applications/virtualization/OVMF {
+        };
+        postgresql = postgresql92;
+        postgresql84 = callPackage ../servers/sql/postgresql/8.4.x.nix {
+        };
+        postgresql90 = callPackage ../servers/sql/postgresql/9.0.x.nix {
+        };
+        postgresql91 = callPackage ../servers/sql/postgresql/9.1.x.nix {
+        };
+        postgresql92 = callPackage ../servers/sql/postgresql/9.2.x.nix {
+        };
+        postgresql93 = callPackage ../servers/sql/postgresql/9.3.x.nix {
+        };
+        postgresql_jdbc = callPackage ../servers/sql/postgresql/jdbc {
+        };
+        psqlodbc = callPackage ../servers/sql/postgresql/psqlodbc {
+        };
+        pyIRCt = builderDefsPackage (import ../servers/xmpp/pyIRCt) {
+          inherit xmpppy pythonIRClib
+          python makeWrapper;
+        };
+        pyMAILt = builderDefsPackage (import ../servers/xmpp/pyMAILt) {
+          inherit xmpppy python
+          makeWrapper fetchcvs;
+        };
+        qpid-cpp = callPackage ../servers/amqp/qpid-cpp {
+        };
+        rabbitmq_server = callPackage ../servers/amqp/rabbitmq-server {
+        };
+        radius = callPackage ../servers/radius {
+        };
+        redis = callPackage ../servers/nosql/redis {
+        };
+        redstore = callPackage ../servers/http/redstore {
+        };
+        restund = callPackage ../servers/restund {
+        };
+        rethinkdb = callPackage ../servers/nosql/rethinkdb {
+        };
+        rippled = callPackage ../servers/rippled {
+        };
+        s6 = callPackage ../servers/s6 {
+        };
+        spamassassin = callPackage ../servers/mail/spamassassin {
+          inherit (perlPackages) HTMLParser
+          NetDNS NetAddrIP DBFile HTTPDate
+          MailDKIM LWP IOSocketSSL;
+        };
+        samba = callPackage ../servers/samba {
+        };
+        samba_light = lowPrio (callPackage ../servers/samba {
+          pam = null;
+          fam = null;
+          cups = null;
+          acl = null;
+          openldap = null;
+          libunwind = null;
+        });
+        serfdom = callPackage ../servers/serfdom {
+        };
+        seyren = callPackage ../servers/monitoring/seyren {
+        };
+        shishi = callPackage ../servers/shishi {
+        };
+        sipwitch = callPackage ../servers/sip/sipwitch {
+        };
+        spawn_fcgi = callPackage ../servers/http/spawn-fcgi {
+        };
+        squids = recurseIntoAttrs (import ../servers/squid/squids.nix {
+          inherit fetchurl stdenv perl lib
+          composableDerivation openldap
+          pam db cyrus_sasl kerberos
+          libcap expat libxml2 libtool
+          openssl;
+        });
+        squid = squids.squid31;
+        thttpd = callPackage ../servers/http/thttpd {
+        };
+        storm = callPackage ../servers/computing/storm {
+        };
+        tomcat5 = callPackage ../servers/http/tomcat/5.0.nix {
+        };
+        tomcat6 = callPackage ../servers/http/tomcat/6.0.nix {
+        };
+        tomcat_mysql_jdbc = callPackage ../servers/http/tomcat/jdbc/mysql {
+        };
+        axis2 = callPackage ../servers/http/tomcat/axis2 {
+        };
+        unifi = callPackage ../servers/unifi {
+        };
+        virtuoso6 = callPackage ../servers/sql/virtuoso/6.x.nix {
+        };
+        virtuoso7 = callPackage ../servers/sql/virtuoso/7.x.nix {
+        };
+        virtuoso = virtuoso6;
+        vsftpd = callPackage ../servers/ftp/vsftpd {
+        };
+        winstone = callPackage ../servers/http/winstone {
+        };
+        xinetd = callPackage ../servers/xinetd {
+        };
+        xquartz = callPackage ../servers/x11/xquartz {
+        };
+        quartz-wm = callPackage ../servers/x11/quartz-wm {
+          stdenv = clangStdenv;
+        };
+        xorg = recurseIntoAttrs (import ../servers/x11/xorg/default.nix {
+          inherit clangStdenv fetchurl
+          fetchgit fetchpatch stdenv
+          pkgconfig intltool freetype
+          fontconfig libxslt expat libpng
+          zlib perl mesa_drivers
+          spice_protocol dbus libuuid
+          openssl gperf m4 autoconf
+          automake libtool xmlto asciidoc
+          flex bison python mtdev pixman;
+          mesa = mesa_noglu;
+          udev = if stdenv.isLinux
+            then udev
+            else null;
+          libdrm = if stdenv.isLinux
+            then libdrm
+            else null;
+        } // {
+          xf86videointel-testing = callPackage ../servers/x11/xorg/xf86-video-intel-testing.nix {
+          };
+        });
+        xorgReplacements = callPackage ../servers/x11/xorg/replacements.nix {
+        };
+        xorgVideoUnichrome = callPackage ../servers/x11/xorg/unichrome/default.nix {
+        };
+        yaws = callPackage ../servers/http/yaws {
+        };
+        zabbix = recurseIntoAttrs (import ../servers/monitoring/zabbix {
+          inherit fetchurl stdenv
+          pkgconfig postgresql curl
+          openssl zlib;
+        });
+        zabbix20 = callPackage ../servers/monitoring/zabbix/2.0.nix {
+        };
+        zabbix22 = callPackage ../servers/monitoring/zabbix/2.2.nix {
+        };
+        afuse = callPackage ../os-specific/linux/afuse {
+        };
+        amdUcode = callPackage ../os-specific/linux/microcode/amd.nix {
+        };
+        autofs5 = callPackage ../os-specific/linux/autofs/autofs-v5.nix {
+        };
+        _915resolution = callPackage ../os-specific/linux/915resolution {
+        };
+        nfsUtils = callPackage ../os-specific/linux/nfs-utils {
+        };
+        acpi = callPackage ../os-specific/linux/acpi {
+        };
+        acpid = callPackage ../os-specific/linux/acpid {
+        };
+        acpitool = callPackage ../os-specific/linux/acpitool {
+        };
+        alienfx = callPackage ../os-specific/linux/alienfx {
+        };
+        alsaLib = callPackage ../os-specific/linux/alsa-lib {
+        };
+        alsaPlugins = callPackage ../os-specific/linux/alsa-plugins {
+          jack2 = null;
+        };
+        alsaPluginWrapper = callPackage ../os-specific/linux/alsa-plugins/wrapper.nix {
+        };
+        alsaUtils = callPackage ../os-specific/linux/alsa-utils {
+        };
+        alsaOss = callPackage ../os-specific/linux/alsa-oss {
+        };
+        microcode2ucode = callPackage ../os-specific/linux/microcode/converter.nix {
+        };
+        microcodeIntel = callPackage ../os-specific/linux/microcode/intel.nix {
+        };
+        apparmor = callPackage ../os-specific/linux/apparmor {
+          inherit (perlPackages) LocaleGettext
+          TermReadKey RpcXML;
+          bison = bison2;
+        };
+        atop = callPackage ../os-specific/linux/atop {
+        };
+        audit = callPackage ../os-specific/linux/audit {
+        };
+        b43Firmware_5_1_138 = callPackage ../os-specific/linux/firmware/b43-firmware/5.1.138.nix {
+        };
+        b43FirmwareCutter = callPackage ../os-specific/linux/firmware/b43-firmware-cutter {
+        };
+        batctl = callPackage ../os-specific/linux/batman-adv/batctl.nix {
+        };
+        bluez4 = callPackage ../os-specific/linux/bluez {
+          pygobject = pygobject3;
+        };
+        bluez5 = lowPrio (callPackage ../os-specific/linux/bluez/bluez5.nix {
+        });
+        bluez = bluez4;
+        inherit (pythonPackages) bedup;
+        beret = callPackage ../games/beret {
+        };
+        bridge_utils = callPackage ../os-specific/linux/bridge-utils {
+        };
+        busybox = callPackage ../os-specific/linux/busybox {
+        };
+        checkpolicy = callPackage ../os-specific/linux/checkpolicy {
+        };
+        checksec = callPackage ../os-specific/linux/checksec {
+        };
+        cifs_utils = callPackage ../os-specific/linux/cifs-utils {
+        };
+        conky = callPackage ../os-specific/linux/conky {
+          mpdSupport = config.conky.mpdSupport or true;
+          x11Support = config.conky.x11Support or false;
+          xdamage = config.conky.xdamage or false;
+          wireless = config.conky.wireless or false;
+          luaSupport = config.conky.luaSupport or false;
+          rss = config.conky.rss or false;
+          weatherMetar = config.conky.weatherMetar or false;
+          weatherXoap = config.conky.weatherXoap or false;
+        };
+        cpufrequtils = callPackage ../os-specific/linux/cpufrequtils {
+        };
+        cryopid = callPackage ../os-specific/linux/cryopid {
+        };
+        criu = callPackage ../os-specific/linux/criu {
+        };
+        cryptsetup = callPackage ../os-specific/linux/cryptsetup {
+        };
+        cramfsswap = callPackage ../os-specific/linux/cramfsswap {
+        };
+        darwin = rec {
+          cctools = forceNativeDrv (callPackage ../os-specific/darwin/cctools-port {
+            cross = assert crossSystem != null; crossSystem;
+            inherit maloader;
+            xctoolchain = xcode.toolchain;
+          });
+          maloader = callPackage ../os-specific/darwin/maloader {
+            inherit opencflite;
+          };
+          opencflite = callPackage ../os-specific/darwin/opencflite {
+          };
+          xcode = callPackage ../os-specific/darwin/xcode {
+          };
+        };
+        devicemapper = lvm2;
+        disk_indicator = callPackage ../os-specific/linux/disk-indicator {
+        };
+        dmidecode = callPackage ../os-specific/linux/dmidecode {
+        };
+        dmtcp = callPackage ../os-specific/linux/dmtcp {
+        };
+        dietlibc = callPackage ../os-specific/linux/dietlibc {
+        };
+        directvnc = builderDefsPackage ../os-specific/linux/directvnc {
+          inherit libjpeg pkgconfig zlib
+          directfb;
+          inherit (xlibs) xproto;
+        };
+        dmraid = callPackage ../os-specific/linux/dmraid {
+        };
+        drbd = callPackage ../os-specific/linux/drbd {
+        };
+        dstat = callPackage ../os-specific/linux/dstat {
+          python = pythonFull;
+        };
+        libossp_uuid = callPackage ../development/libraries/libossp-uuid {
+        };
+        libuuid = if crossSystem != null && crossSystem.config == "i586-pc-gnu"
+          then utillinux // {
+            crossDrv = lib.overrideDerivation utillinux.crossDrv (args:
+            {
+              configureFlags = args.configureFlags + " --disable-libblkid --disable-mount --disable-libmount" + " --disable-fsck --enable-static --disable-partx";
+              doCheck = false;
+              CPPFLAGS = lib.concatStringsSep " " (map (v:
+              "-D${v}=4096") [
+                "PATH_MAX"
+                "MAXPATHLEN"
+                "MAXHOSTNAMELEN"
+              ]);
+            });
+          }
+          else if stdenv.isLinux
+            then utillinux
+            else null;
+        e3cfsprogs = callPackage ../os-specific/linux/e3cfsprogs {
+        };
+        ebtables = callPackage ../os-specific/linux/ebtables {
+        };
+        eject = utillinux;
+        ffado = callPackage ../os-specific/linux/ffado {
+        };
+        fbterm = callPackage ../os-specific/linux/fbterm {
+        };
+        firejail = callPackage ../os-specific/linux/firejail {
+        };
+        fuse = callPackage ../os-specific/linux/fuse {
+        };
+        fxload = callPackage ../os-specific/linux/fxload {
+        };
+        gfxtablet = callPackage ../os-specific/linux/gfxtablet {
+        };
+        gpm = callPackage ../servers/gpm {
+        };
+        gradm = callPackage ../os-specific/linux/gradm {
+          flex = flex_2_5_35;
+        };
+        hdparm = callPackage ../os-specific/linux/hdparm {
+        };
+        hibernate = callPackage ../os-specific/linux/hibernate {
+        };
+        hostapd = callPackage ../os-specific/linux/hostapd {
+        };
+        htop = if stdenv.isLinux
+          then callPackage ../os-specific/linux/htop {
+          }
+          else if stdenv.isDarwin
+            then callPackage ../os-specific/darwin/htop {
+            }
+            else null;
+        gnu = recurseIntoAttrs (callPackage ../os-specific/gnu {
+          inherit platform crossSystem;
+        });
+        hwdata = callPackage ../os-specific/linux/hwdata {
+        };
+        i7z = callPackage ../os-specific/linux/i7z {
+        };
+        ifplugd = callPackage ../os-specific/linux/ifplugd {
+        };
+        iomelt = callPackage ../os-specific/linux/iomelt {
+        };
+        iotop = callPackage ../os-specific/linux/iotop {
+        };
+        iproute = callPackage ../os-specific/linux/iproute {
+        };
+        iputils = callPackage ../os-specific/linux/iputils {
+          sp = spCompat;
+          inherit (perlPackages) SGMLSpm;
+        };
+        iptables = callPackage ../os-specific/linux/iptables {
+        };
+        iw = callPackage ../os-specific/linux/iw {
+        };
+        jujuutils = callPackage ../os-specific/linux/jujuutils {
+        };
+        kbd = callPackage ../os-specific/linux/kbd {
+        };
+        kmscon = callPackage ../os-specific/linux/kmscon {
+        };
+        latencytop = callPackage ../os-specific/linux/latencytop {
+        };
+        ldm = callPackage ../os-specific/linux/ldm {
+        };
+        libaio = callPackage ../os-specific/linux/libaio {
+        };
+        libatasmart = callPackage ../os-specific/linux/libatasmart {
+        };
+        libcgroup = callPackage ../os-specific/linux/libcgroup {
+        };
+        libnl = callPackage ../os-specific/linux/libnl {
+        };
+        libnl_3_2_19 = callPackage ../os-specific/linux/libnl/3.2.19.nix {
+        };
+        linuxConsoleTools = callPackage ../os-specific/linux/consoletools {
+        };
+        linuxHeaders = linuxHeaders_3_7;
+        linuxHeaders24Cross = forceNativeDrv (import ../os-specific/linux/kernel-headers/2.4.nix {
+          inherit stdenv fetchurl perl;
+          cross = assert crossSystem != null; crossSystem;
+        });
+        linuxHeaders26Cross = forceNativeDrv (import ../os-specific/linux/kernel-headers/2.6.32.nix {
+          inherit stdenv fetchurl perl;
+          cross = assert crossSystem != null; crossSystem;
+        });
+        linuxHeaders_3_7 = callPackage ../os-specific/linux/kernel-headers/3.7.nix {
+        };
+        linuxHeaders_3_14 = callPackage ../os-specific/linux/kernel-headers/3.14.nix {
+        };
+        linuxHeadersCrossChooser = ver:
+        if ver == "2.4"
+          then linuxHeaders24Cross
+          else if ver == "2.6"
+            then linuxHeaders26Cross
+            else throw "Unknown linux kernel version";
+        linuxHeadersCross = assert crossSystem != null; linuxHeadersCrossChooser crossSystem.platform.kernelMajor;
+        kernelPatches = callPackage ../os-specific/linux/kernel/patches.nix {
+        };
+        linux_3_2 = makeOverridable (import ../os-specific/linux/kernel/linux-3.2.nix) {
+          inherit fetchurl stdenv perl
+          buildLinux;
+          kernelPatches = [ ];
+        };
+        linux_3_2_xen = lowPrio (linux_3_2.override {
+          extraConfig = ''XEN_DOM0 y'';
+        });
+        linux_3_4 = makeOverridable (import ../os-specific/linux/kernel/linux-3.4.nix) {
+          inherit fetchurl stdenv perl
+          buildLinux;
+          kernelPatches = lib.optionals ((platform.kernelArch or null) == "mips") [
+            kernelPatches.mips_fpureg_emu
+            kernelPatches.mips_fpu_sigill
+          ];
+        };
+        linux_3_6_rpi = makeOverridable (import ../os-specific/linux/kernel/linux-rpi-3.6.nix) {
+          inherit fetchurl stdenv perl
+          buildLinux;
+        };
+        linux_3_10 = makeOverridable (import ../os-specific/linux/kernel/linux-3.10.nix) {
+          inherit fetchurl stdenv perl
+          buildLinux;
+          kernelPatches = lib.optionals ((platform.kernelArch or null) == "mips") [
+            kernelPatches.mips_fpureg_emu
+            kernelPatches.mips_fpu_sigill
+            kernelPatches.mips_ext3_n32
+          ];
+        };
+        linux_3_12 = makeOverridable (import ../os-specific/linux/kernel/linux-3.12.nix) {
+          inherit fetchurl stdenv perl
+          buildLinux;
+          kernelPatches = lib.optionals ((platform.kernelArch or null) == "mips") [
+            kernelPatches.mips_fpureg_emu
+            kernelPatches.mips_fpu_sigill
+            kernelPatches.mips_ext3_n32
+          ];
+        };
+        linux_3_14 = makeOverridable (import ../os-specific/linux/kernel/linux-3.14.nix) {
+          inherit fetchurl stdenv perl
+          buildLinux;
+          kernelPatches = lib.optionals ((platform.kernelArch or null) == "mips") [
+            kernelPatches.mips_fpureg_emu
+            kernelPatches.mips_fpu_sigill
+            kernelPatches.mips_ext3_n32
+          ];
+        };
+        linux_3_15 = makeOverridable (import ../os-specific/linux/kernel/linux-3.15.nix) {
+          inherit fetchurl stdenv perl
+          buildLinux;
+          kernelPatches = lib.optionals ((platform.kernelArch or null) == "mips") [
+            kernelPatches.mips_fpureg_emu
+            kernelPatches.mips_fpu_sigill
+            kernelPatches.mips_ext3_n32
+          ];
+        };
+        linux_3_16 = makeOverridable (import ../os-specific/linux/kernel/linux-3.16.nix) {
+          inherit fetchurl stdenv perl
+          buildLinux;
+          kernelPatches = lib.optionals ((platform.kernelArch or null) == "mips") [
+            kernelPatches.mips_fpureg_emu
+            kernelPatches.mips_fpu_sigill
+            kernelPatches.mips_ext3_n32
+          ];
+        };
+        linux_testing = makeOverridable (import ../os-specific/linux/kernel/linux-testing.nix) {
+          inherit fetchurl stdenv perl
+          buildLinux;
+          kernelPatches = lib.optionals ((platform.kernelArch or null) == "mips") [
+            kernelPatches.mips_fpureg_emu
+            kernelPatches.mips_fpu_sigill
+            kernelPatches.mips_ext3_n32
+          ];
+        };
+        grFlavors = import ../build-support/grsecurity/flavors.nix;
+        mkGrsecurity = opts:
+        import ../build-support/grsecurity {
+          grsecOptions = opts;
+          inherit pkgs lib;
+        };
+        grKernel = opts:
+        (mkGrsecurity opts).grsecKernel;
+        grPackage = opts:
+        recurseIntoAttrs (mkGrsecurity opts).grsecPackage;
+        linux_grsec_stable_desktop = grKernel grFlavors.linux_grsec_stable_desktop;
+        linux_grsec_stable_server = grKernel grFlavors.linux_grsec_stable_server;
+        linux_grsec_stable_server_xen = grKernel grFlavors.linux_grsec_stable_server_xen;
+        linux_grsec_testing_desktop = grKernel grFlavors.linux_grsec_testing_desktop;
+        linux_grsec_testing_server = grKernel grFlavors.linux_grsec_testing_server;
+        linux_grsec_testing_server_xen = grKernel grFlavors.linux_grsec_testing_server_xen;
+        linuxPackagesFor = kernel: self:
+        let
+          callPackage = newScope self;
+          in {
+            inherit kernel;
+            acpi_call = callPackage ../os-specific/linux/acpi-call {
+            };
+            batman_adv = callPackage ../os-specific/linux/batman-adv {
+            };
+            bbswitch = callPackage ../os-specific/linux/bbswitch {
+            };
+            ati_drivers_x11 = callPackage ../os-specific/linux/ati-drivers {
+            };
+            blcr = callPackage ../os-specific/linux/blcr {
+            };
+            cryptodev = callPackage ../os-specific/linux/cryptodev {
+            };
+            cpupower = callPackage ../os-specific/linux/cpupower {
+            };
+            e1000e = callPackage ../os-specific/linux/e1000e {
+            };
+            v4l2loopback = callPackage ../os-specific/linux/v4l2loopback {
+            };
+            frandom = callPackage ../os-specific/linux/frandom {
+            };
+            ktap = callPackage ../os-specific/linux/ktap {
+            };
+            lttng-modules = callPackage ../os-specific/linux/lttng-modules {
+            };
+            broadcom_sta = callPackage ../os-specific/linux/broadcom-sta/default.nix {
+            };
+            nvidiabl = callPackage ../os-specific/linux/nvidiabl {
+            };
+            nvidia_x11 = callPackage ../os-specific/linux/nvidia-x11 {
+            };
+            nvidia_x11_legacy173 = callPackage ../os-specific/linux/nvidia-x11/legacy173.nix {
+            };
+            nvidia_x11_legacy304 = callPackage ../os-specific/linux/nvidia-x11/legacy304.nix {
+            };
+            openafsClient = callPackage ../servers/openafs-client {
+            };
+            openiscsi = callPackage ../os-specific/linux/open-iscsi {
+            };
+            wis_go7007 = callPackage ../os-specific/linux/wis-go7007 {
+            };
+            kernelHeaders = callPackage ../os-specific/linux/kernel-headers {
+            };
+            klibc = callPackage ../os-specific/linux/klibc {
+            };
+            klibcShrunk = lowPrio (callPackage ../os-specific/linux/klibc/shrunk.nix {
+            });
+            ndiswrapper = callPackage ../os-specific/linux/ndiswrapper {
+            };
+            netatop = callPackage ../os-specific/linux/netatop {
+            };
+            perf = callPackage ../os-specific/linux/kernel/perf.nix {
+            };
+            psmouse_alps = callPackage ../os-specific/linux/psmouse-alps {
+            };
+            spl = callPackage ../os-specific/linux/spl {
+            };
+            spl_git = callPackage ../os-specific/linux/spl/git.nix {
+            };
+            sysdig = callPackage ../os-specific/linux/sysdig {
+            };
+            tp_smapi = callPackage ../os-specific/linux/tp_smapi {
+            };
+            v86d = callPackage ../os-specific/linux/v86d {
+            };
+            virtualbox = callPackage ../applications/virtualization/virtualbox {
+              stdenv = stdenv_32bit;
+              inherit (gnome) libIDL;
+              enableExtensionPack = config.virtualbox.enableExtensionPack or false;
+            };
+            virtualboxGuestAdditions = callPackage ../applications/virtualization/virtualbox/guest-additions {
+            };
+            zfs = callPackage ../os-specific/linux/zfs {
+            };
+            zfs_git = callPackage ../os-specific/linux/zfs/git.nix {
+            };
+          };
+        linux = linuxPackages.kernel;
+        linuxPackages = linuxPackages_3_12;
+        linux_latest = pkgs.linux_3_16;
+        linuxPackages_latest = pkgs.linuxPackages_3_16;
+        linuxPackages_3_2 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_3_2 linuxPackages_3_2);
+        linuxPackages_3_2_xen = linuxPackagesFor pkgs.linux_3_2_xen linuxPackages_3_2_xen;
+        linuxPackages_3_4 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_3_4 linuxPackages_3_4);
+        linuxPackages_3_6_rpi = linuxPackagesFor pkgs.linux_3_6_rpi linuxPackages_3_6_rpi;
+        linuxPackages_3_10 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_3_10 linuxPackages_3_10);
+        linuxPackages_3_10_tuxonice = linuxPackagesFor pkgs.linux_3_10_tuxonice linuxPackages_3_10_tuxonice;
+        linuxPackages_3_12 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_3_12 linuxPackages_3_12);
+        linuxPackages_3_14 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_3_14 linuxPackages_3_14);
+        linuxPackages_3_15 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_3_15 linuxPackages_3_15);
+        linuxPackages_3_16 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_3_16 linuxPackages_3_16);
+        linuxPackages_testing = recurseIntoAttrs (linuxPackagesFor pkgs.linux_testing linuxPackages_testing);
+        linuxPackages_grsec_stable_desktop = grPackage grFlavors.linux_grsec_stable_desktop;
+        linuxPackages_grsec_stable_server = grPackage grFlavors.linux_grsec_stable_server;
+        linuxPackages_grsec_stable_server_xen = grPackage grFlavors.linux_grsec_stable_server_xen;
+        linuxPackages_grsec_testing_desktop = grPackage grFlavors.linux_grsec_testing_desktop;
+        linuxPackages_grsec_testing_server = grPackage grFlavors.linux_grsec_testing_server;
+        linuxPackages_grsec_testing_server_xen = grPackage grFlavors.linux_grsec_testing_server_xen;
+        linuxManualConfig = pkgs.buildLinux;
+        buildLinux = import ../os-specific/linux/kernel/manual-config.nix {
+          inherit (pkgs) stdenv runCommand
+          nettools bc perl kmod
+          writeTextFile ubootChooser;
+        };
+        keyutils = callPackage ../os-specific/linux/keyutils {
+        };
+        libselinux = callPackage ../os-specific/linux/libselinux {
+        };
+        libsemanage = callPackage ../os-specific/linux/libsemanage {
+        };
+        libraw = callPackage ../development/libraries/libraw {
+        };
+        libraw1394 = callPackage ../development/libraries/libraw1394 {
+        };
+        libsexy = callPackage ../development/libraries/libsexy {
+        };
+        libsepol = callPackage ../os-specific/linux/libsepol {
+        };
+        libsmbios = callPackage ../os-specific/linux/libsmbios {
+        };
+        lm_sensors = callPackage ../os-specific/linux/lm-sensors {
+        };
+        lockdep = callPackage ../os-specific/linux/lockdep {
+        };
+        lsiutil = callPackage ../os-specific/linux/lsiutil {
+        };
+        kmod = callPackage ../os-specific/linux/kmod {
+        };
+        kmod-blacklist-ubuntu = callPackage ../os-specific/linux/kmod-blacklist-ubuntu {
+        };
+        kvm = qemu_kvm;
+        libcap = callPackage ../os-specific/linux/libcap {
+        };
+        libcap_progs = callPackage ../os-specific/linux/libcap/progs.nix {
+        };
+        libcap_pam = callPackage ../os-specific/linux/libcap/pam.nix {
+        };
+        libcap_manpages = callPackage ../os-specific/linux/libcap/man.nix {
+        };
+        libcap_ng = callPackage ../os-specific/linux/libcap-ng {
+        };
+        libnscd = callPackage ../os-specific/linux/libnscd {
+        };
+        libnotify = callPackage ../development/libraries/libnotify {
+        };
+        libvolume_id = callPackage ../os-specific/linux/libvolume_id {
+        };
+        lsscsi = callPackage ../os-specific/linux/lsscsi {
+        };
+        lvm2 = callPackage ../os-specific/linux/lvm2 {
+        };
+        mdadm = callPackage ../os-specific/linux/mdadm {
+        };
+        mingetty = callPackage ../os-specific/linux/mingetty {
+        };
+        module_init_tools = callPackage ../os-specific/linux/module-init-tools {
+        };
+        aggregateModules = modules:
+        callPackage ../os-specific/linux/kmod/aggregator.nix {
+          inherit modules;
+        };
+        multipath_tools = callPackage ../os-specific/linux/multipath-tools {
+        };
+        musl = callPackage ../os-specific/linux/musl {
+        };
+        nettools = callPackage ../os-specific/linux/net-tools {
+        };
+        neverball = callPackage ../games/neverball {
+          libpng = libpng15;
+        };
+        nftables = callPackage ../os-specific/linux/nftables {
+        };
+        numactl = callPackage ../os-specific/linux/numactl {
+        };
+        gocode = callPackage ../development/tools/gocode {
+        };
+        gogoclient = callPackage ../os-specific/linux/gogoclient {
+        };
+        nss_ldap = callPackage ../os-specific/linux/nss_ldap {
+        };
+        pam = callPackage ../os-specific/linux/pam {
+        };
+        pam_ccreds = callPackage ../os-specific/linux/pam_ccreds {
+        };
+        pam_console = callPackage ../os-specific/linux/pam_console {
+          libtool = libtool_1_5;
+        };
+        pam_devperm = callPackage ../os-specific/linux/pam_devperm {
+        };
+        pam_krb5 = callPackage ../os-specific/linux/pam_krb5 {
+        };
+        pam_ldap = callPackage ../os-specific/linux/pam_ldap {
+        };
+        pam_login = callPackage ../os-specific/linux/pam_login {
+        };
+        pam_ssh_agent_auth = callPackage ../os-specific/linux/pam_ssh_agent_auth {
+        };
+        pam_usb = callPackage ../os-specific/linux/pam_usb {
+        };
+        paxctl = callPackage ../os-specific/linux/paxctl {
+        };
+        pax-utils = callPackage ../os-specific/linux/pax-utils {
+        };
+        pcmciaUtils = callPackage ../os-specific/linux/pcmciautils {
+          firmware = config.pcmciaUtils.firmware or [
+          ];
+          config = config.pcmciaUtils.config or null;
+        };
+        plymouth = callPackage ../os-specific/linux/plymouth {
+          automake = automake113x;
+        };
+        pmount = callPackage ../os-specific/linux/pmount {
+        };
+        pmutils = callPackage ../os-specific/linux/pm-utils {
+        };
+        pmtools = callPackage ../os-specific/linux/pmtools {
+        };
+        policycoreutils = callPackage ../os-specific/linux/policycoreutils {
+        };
+        powertop = callPackage ../os-specific/linux/powertop {
+        };
+        prayer = callPackage ../servers/prayer {
+        };
+        procps = procps-ng;
+        procps-old = lowPrio (callPackage ../os-specific/linux/procps {
+        });
+        procps-ng = callPackage ../os-specific/linux/procps-ng {
+        };
+        watch = callPackage ../os-specific/linux/procps/watch.nix {
+        };
+        qemu_kvm = lowPrio (qemu.override {
+          x86Only = true;
+        });
+        firmwareLinuxNonfree = callPackage ../os-specific/linux/firmware/firmware-linux-nonfree {
+        };
+        radeontools = callPackage ../os-specific/linux/radeontools {
+        };
+        raspberrypifw = callPackage ../os-specific/linux/firmware/raspberrypi {
+        };
+        regionset = callPackage ../os-specific/linux/regionset {
+        };
+        rfkill = callPackage ../os-specific/linux/rfkill {
+        };
+        rfkill_udev = callPackage ../os-specific/linux/rfkill/udev.nix {
+        };
+        rtkit = callPackage ../os-specific/linux/rtkit {
+        };
+        sdparm = callPackage ../os-specific/linux/sdparm {
+        };
+        sepolgen = callPackage ../os-specific/linux/sepolgen {
+        };
+        setools = callPackage ../os-specific/linux/setools {
+        };
+        shadow = callPackage ../os-specific/linux/shadow {
+        };
+        statifier = builderDefsPackage (import ../os-specific/linux/statifier) {
+        };
+        sysdig = callPackage ../os-specific/linux/sysdig {
+          kernel = null;
+        };
+        sysfsutils = callPackage ../os-specific/linux/sysfsutils {
+        };
+        sysprof = callPackage ../development/tools/profiling/sysprof {
+          inherit (gnome) libglade;
+        };
+        libsysfs = sysfsutils;
+        systool = sysfsutils;
+        sysklogd = callPackage ../os-specific/linux/sysklogd {
+        };
+        syslinux = callPackage ../os-specific/linux/syslinux {
+        };
+        sysstat = callPackage ../os-specific/linux/sysstat {
+        };
+        systemd = callPackage ../os-specific/linux/systemd {
+          linuxHeaders = linuxHeaders_3_14;
+        };
+        systemtap = callPackage ../development/tools/profiling/systemtap {
+          inherit (gnome) libglademm;
+        };
+        systemd_with_lvm2 = pkgs.lib.overrideDerivation pkgs.systemd (p:
+        {
+          name = p.name + "-with-lvm2";
+          postInstall = p.postInstall + ''
+            cp "${pkgs.lvm2}/lib/systemd/system-generators/"* ''$out/lib/systemd/system-generators
+          '';
+        });
+        sysvinit = callPackage ../os-specific/linux/sysvinit {
+        };
+        sysvtools = callPackage ../os-specific/linux/sysvinit {
+          withoutInitTools = true;
+        };
+        tcp_wrappers = callPackage ../os-specific/linux/tcp-wrappers {
+        };
+        trackballs = callPackage ../games/trackballs {
+          debug = false;
+          guile = guile_1_8;
+        };
+        tunctl = callPackage ../os-specific/linux/tunctl {
+        };
+        ubootChooser = name:
+        if name == "upstream"
+          then ubootUpstream
+          else if name == "sheevaplug"
+            then ubootSheevaplug
+            else if name == "guruplug"
+              then ubootGuruplug
+              else if name == "nanonote"
+                then ubootNanonote
+                else throw "Unknown uboot";
+        ubootUpstream = callPackage ../misc/uboot {
+        };
+        ubootSheevaplug = callPackage ../misc/uboot/sheevaplug.nix {
+        };
+        ubootNanonote = callPackage ../misc/uboot/nanonote.nix {
+        };
+        ubootGuruplug = callPackage ../misc/uboot/guruplug.nix {
+        };
+        uclibc = callPackage ../os-specific/linux/uclibc {
+        };
+        uclibcCross = lowPrio (callPackage ../os-specific/linux/uclibc {
+          inherit fetchurl stdenv
+          libiconv;
+          linuxHeaders = linuxHeadersCross;
+          gccCross = gccCrossStageStatic;
+          cross = assert crossSystem != null; crossSystem;
+        });
+        udev145 = callPackage ../os-specific/linux/udev/145.nix {
+        };
+        udev = pkgs.systemd;
+        udisks1 = callPackage ../os-specific/linux/udisks/1-default.nix {
+        };
+        udisks2 = callPackage ../os-specific/linux/udisks/2-default.nix {
+        };
+        udisks = udisks1;
+        udisks_glue = callPackage ../os-specific/linux/udisks-glue {
+        };
+        untie = callPackage ../os-specific/linux/untie {
+        };
+        upower = callPackage ../os-specific/linux/upower {
+        };
+        upower_99 = callPackage ../os-specific/linux/upower/0.99.nix {
+        };
+        upstart = callPackage ../os-specific/linux/upstart {
+        };
+        usbutils = callPackage ../os-specific/linux/usbutils {
+        };
+        usermount = callPackage ../os-specific/linux/usermount {
+        };
+        utillinux = lowPrio (callPackage ../os-specific/linux/util-linux {
+          ncurses = null;
+          perl = null;
+        });
+        utillinuxCurses = utillinux.override {
+          inherit ncurses perl;
+        };
+        v4l_utils = callPackage ../os-specific/linux/v4l-utils {
+          withQt4 = true;
+        };
+        windows = rec {
+          cygwinSetup = callPackage ../os-specific/windows/cygwin-setup {
+          };
+          jom = callPackage ../os-specific/windows/jom {
+          };
+          w32api = callPackage ../os-specific/windows/w32api {
+            gccCross = gccCrossStageStatic;
+            binutilsCross = binutilsCross;
+          };
+          w32api_headers = w32api.override {
+            onlyHeaders = true;
+          };
+          mingw_runtime = callPackage ../os-specific/windows/mingwrt {
+            gccCross = gccCrossMingw2;
+            binutilsCross = binutilsCross;
+          };
+          mingw_runtime_headers = mingw_runtime.override {
+            onlyHeaders = true;
+          };
+          mingw_headers1 = buildEnv {
+            name = "mingw-headers-1";
+            paths = [
+              w32api_headers
+              mingw_runtime_headers
+            ];
+          };
+          mingw_headers2 = buildEnv {
+            name = "mingw-headers-2";
+            paths = [
+              w32api
+              mingw_runtime_headers
+            ];
+          };
+          mingw_headers3 = buildEnv {
+            name = "mingw-headers-3";
+            paths = [
+              w32api
+              mingw_runtime
+            ];
+          };
+          mingw_w64 = callPackage ../os-specific/windows/mingw-w64 {
+            gccCross = gccCrossStageStatic;
+            binutilsCross = binutilsCross;
+          };
+          mingw_w64_headers = callPackage ../os-specific/windows/mingw-w64 {
+            onlyHeaders = true;
+          };
+          mingw_w64_pthreads = callPackage ../os-specific/windows/mingw-w64 {
+            onlyPthreads = true;
+          };
+          pthreads = callPackage ../os-specific/windows/pthread-w32 {
+            mingw_headers = mingw_headers3;
+          };
+          wxMSW = callPackage ../os-specific/windows/wxMSW-2.8 {
+          };
+        };
+        wesnoth = callPackage ../games/wesnoth {
+          lua = lua5;
+        };
+        wirelesstools = callPackage ../os-specific/linux/wireless-tools {
+        };
+        wpa_supplicant = callPackage ../os-specific/linux/wpa_supplicant {
+        };
+        wpa_supplicant_gui = callPackage ../os-specific/linux/wpa_supplicant/gui.nix {
+        };
+        xf86_input_mtrack = callPackage ../os-specific/linux/xf86-input-mtrack {
+          inherit (xorg) utilmacros xproto
+          inputproto xorgserver;
+        };
+        xf86_input_multitouch = callPackage ../os-specific/linux/xf86-input-multitouch {
+        };
+        xf86_input_wacom = callPackage ../os-specific/linux/xf86-input-wacom {
+        };
+        xf86_video_nested = callPackage ../os-specific/linux/xf86-video-nested {
+          inherit (xorg) fontsproto
+          renderproto utilmacros
+          xorgserver;
+        };
+        xf86_video_nouveau = xorg.xf86videonouveau;
+        xmoto = builderDefsPackage (import ../games/xmoto) {
+          inherit chipmunk sqlite curl
+          zlib bzip2 libjpeg libpng
+          freeglut mesa SDL SDL_mixer
+          SDL_image SDL_net SDL_ttf lua5
+          ode libxdg_basedir libxml2;
+        };
+        xorg_sys_opengl = callPackage ../os-specific/linux/opengl/xorg-sys {
+        };
+        zd1211fw = callPackage ../os-specific/linux/firmware/zd1211 {
+        };
+        andagii = callPackage ../data/fonts/andagii {
+        };
+        anonymousPro = callPackage ../data/fonts/anonymous-pro {
+        };
+        arkpandora_ttf = builderDefsPackage (import ../data/fonts/arkpandora) {
+        };
+        aurulent-sans = callPackage ../data/fonts/aurulent-sans {
+        };
+        bakoma_ttf = callPackage ../data/fonts/bakoma-ttf {
+        };
+        cacert = callPackage ../data/misc/cacert {
+        };
+        cantarell_fonts = callPackage ../data/fonts/cantarell-fonts {
+        };
+        corefonts = callPackage ../data/fonts/corefonts {
+        };
+        wrapFonts = paths:
+        import ../data/fonts/fontWrap {
+          inherit fetchurl stdenv
+          builderDefs paths;
+          inherit (xorg) mkfontdir
+          mkfontscale;
+        };
+        clearlyU = callPackage ../data/fonts/clearlyU {
+        };
+        cm_unicode = callPackage ../data/fonts/cm-unicode {
+        };
+        dejavu_fonts = callPackage ../data/fonts/dejavu-fonts {
+          inherit (perlPackages) FontTTF;
+        };
+        docbook5 = callPackage ../data/sgml+xml/schemas/docbook-5.0 {
+        };
+        docbook_sgml_dtd_31 = callPackage ../data/sgml+xml/schemas/sgml-dtd/docbook/3.1.nix {
+        };
+        docbook_sgml_dtd_41 = callPackage ../data/sgml+xml/schemas/sgml-dtd/docbook/4.1.nix {
+        };
+        docbook_xml_dtd_412 = callPackage ../data/sgml+xml/schemas/xml-dtd/docbook/4.1.2.nix {
+        };
+        docbook_xml_dtd_42 = callPackage ../data/sgml+xml/schemas/xml-dtd/docbook/4.2.nix {
+        };
+        docbook_xml_dtd_43 = callPackage ../data/sgml+xml/schemas/xml-dtd/docbook/4.3.nix {
+        };
+        docbook_xml_dtd_45 = callPackage ../data/sgml+xml/schemas/xml-dtd/docbook/4.5.nix {
+        };
+        docbook_xml_ebnf_dtd = callPackage ../data/sgml+xml/schemas/xml-dtd/docbook-ebnf {
+        };
+        docbook_xml_xslt = docbook_xsl;
+        docbook_xsl = callPackage ../data/sgml+xml/stylesheets/xslt/docbook-xsl {
+        };
+        docbook5_xsl = docbook_xsl_ns;
+        docbook_xsl_ns = callPackage ../data/sgml+xml/stylesheets/xslt/docbook-xsl-ns {
+        };
+        dosemu_fonts = callPackage ../data/fonts/dosemu-fonts {
+        };
+        eb-garamond = callPackage ../data/fonts/eb-garamond {
+        };
+        fira = callPackage ../data/fonts/fira {
+        };
+        freefont_ttf = callPackage ../data/fonts/freefont-ttf {
+        };
+        freepats = callPackage ../data/misc/freepats {
+        };
+        gentium = callPackage ../data/fonts/gentium {
+        };
+        gnome_user_docs = callPackage ../data/documentation/gnome-user-docs {
+        };
+        inherit (gnome3) gsettings_desktop_schemas;
+        hicolor_icon_theme = callPackage ../data/icons/hicolor-icon-theme {
+        };
+        inconsolata = callPackage ../data/fonts/inconsolata {
+        };
+        ipafont = callPackage ../data/fonts/ipafont {
+        };
+        junicode = callPackage ../data/fonts/junicode {
+        };
+        kochi-substitute = callPackage ../data/fonts/kochi-substitute {
+        };
+        kochi-substitute-naga10 = callPackage ../data/fonts/kochi-substitute-naga10 {
+        };
+        liberation_ttf = callPackage ../data/fonts/redhat-liberation-fonts {
+        };
+        libertine = builderDefsPackage (import ../data/fonts/libertine) {
+          inherit fetchurl fontforge lib;
+        };
+        lmmath = callPackage ../data/fonts/lmodern/lmmath.nix {
+        };
+        lmodern = callPackage ../data/fonts/lmodern {
+        };
+        lohit-fonts = callPackage ../data/fonts/lohit-fonts {
+        };
+        manpages = callPackage ../data/documentation/man-pages {
+        };
+        miscfiles = callPackage ../data/misc/miscfiles {
+        };
+        mobile_broadband_provider_info = callPackage ../data/misc/mobile-broadband-provider-info {
+        };
+        mph_2b_damase = callPackage ../data/fonts/mph-2b-damase {
+        };
+        nafees = callPackage ../data/fonts/nafees {
+        };
+        oldstandard = callPackage ../data/fonts/oldstandard {
+        };
+        opensans-ttf = callPackage ../data/fonts/opensans-ttf {
+        };
+        poly = callPackage ../data/fonts/poly {
+        };
+        posix_man_pages = callPackage ../data/documentation/man-pages-posix {
+        };
+        pthreadmanpages = callPackage ../data/documentation/pthread-man-pages {
+        };
+        shared_mime_info = callPackage ../data/misc/shared-mime-info {
+        };
+        shared_desktop_ontologies = callPackage ../data/misc/shared-desktop-ontologies {
+        };
+        stdmanpages = callPackage ../data/documentation/std-man-pages {
+        };
+        symbola = callPackage ../data/fonts/symbola {
+        };
+        iana_etc = callPackage ../data/misc/iana-etc {
+        };
+        poppler_data = callPackage ../data/misc/poppler-data {
+        };
+        r3rs = callPackage ../data/documentation/rnrs/r3rs.nix {
+        };
+        r4rs = callPackage ../data/documentation/rnrs/r4rs.nix {
+        };
+        r5rs = callPackage ../data/documentation/rnrs/r5rs.nix {
+        };
+        source-code-pro = callPackage ../data/fonts/source-code-pro {
+        };
+        source-sans-pro = callPackage ../data/fonts/source-sans-pro {
+        };
+        source-serif-pro = callPackage ../data/fonts/source-serif-pro {
+        };
+        source-han-sans-japanese = callPackage ../data/fonts/source-han-sans/japanese.nix {
+        };
+        source-han-sans-korean = callPackage ../data/fonts/source-han-sans/korean.nix {
+        };
+        source-han-sans-simplified-chinese = callPackage ../data/fonts/source-han-sans/simplified-chinese.nix {
+        };
+        source-han-sans-traditional-chinese = callPackage ../data/fonts/source-han-sans/traditional-chinese.nix {
+        };
+        tango-icon-theme = callPackage ../data/icons/tango-icon-theme {
+        };
+        themes = name:
+        import (../data/misc/themes + ("/" + name + ".nix")) {
+          inherit fetchurl;
+        };
+        theano = callPackage ../data/fonts/theano {
+        };
+        tempora_lgc = callPackage ../data/fonts/tempora-lgc {
+        };
+        terminus_font = callPackage ../data/fonts/terminus-font {
+        };
+        tipa = callPackage ../data/fonts/tipa {
+        };
+        ttf_bitstream_vera = callPackage ../data/fonts/ttf-bitstream-vera {
+        };
+        tzdata = callPackage ../data/misc/tzdata {
+        };
+        ubuntu_font_family = callPackage ../data/fonts/ubuntu-font-family {
+        };
+        ucsFonts = callPackage ../data/fonts/ucs-fonts {
+        };
+        unifont = callPackage ../data/fonts/unifont {
+        };
+        vistafonts = callPackage ../data/fonts/vista-fonts {
+        };
+        wqy_microhei = callPackage ../data/fonts/wqy-microhei {
+        };
+        wqy_zenhei = callPackage ../data/fonts/wqy-zenhei {
+        };
+        xhtml1 = callPackage ../data/sgml+xml/schemas/xml-dtd/xhtml1 {
+        };
+        xkeyboard_config = xorg.xkeyboardconfig;
+        a2jmidid = callPackage ../applications/audio/a2jmidid {
+        };
+        aangifte2006 = callPackage_i686 ../applications/taxes/aangifte-2006 {
+        };
+        aangifte2007 = callPackage_i686 ../applications/taxes/aangifte-2007 {
+        };
+        aangifte2008 = callPackage_i686 ../applications/taxes/aangifte-2008 {
+        };
+        aangifte2009 = callPackage_i686 ../applications/taxes/aangifte-2009 {
+        };
+        aangifte2010 = callPackage_i686 ../applications/taxes/aangifte-2010 {
+        };
+        aangifte2011 = callPackage_i686 ../applications/taxes/aangifte-2011 {
+        };
+        aangifte2012 = callPackage_i686 ../applications/taxes/aangifte-2012 {
+        };
+        aangifte2013 = callPackage_i686 ../applications/taxes/aangifte-2013 {
+        };
+        abcde = callPackage ../applications/audio/abcde {
+          inherit (perlPackages) DigestSHA
+          MusicBrainz MusicBrainzDiscID;
+          libcdio = libcdio082;
+        };
+        abiword = callPackage ../applications/office/abiword {
+          inherit (gnome) libglade
+          libgnomecanvas;
+        };
+        abook = callPackage ../applications/misc/abook {
+        };
+        adobe-reader = callPackage_i686 ../applications/misc/adobe-reader {
+        };
+        aewan = callPackage ../applications/editors/aewan {
+        };
+        alchemy = callPackage ../applications/graphics/alchemy {
+        };
+        ams-lv2 = callPackage ../applications/audio/ams-lv2 {
+        };
+        amsn = callPackage ../applications/networking/instant-messengers/amsn {
+        };
+        antiword = callPackage ../applications/office/antiword {
+        };
+        ardour = ardour3;
+        ardour3 = lowPrio (callPackage ../applications/audio/ardour {
+          inherit (gnome) libgnomecanvas
+          libgnomecanvasmm;
+        });
+        arora = callPackage ../applications/networking/browsers/arora {
+        };
+        atom = callPackage ../applications/editors/atom {
+          gconf = gnome.GConf;
+        };
+        aseprite = callPackage ../applications/editors/aseprite {
+          giflib = giflib_4_1;
+        };
+        audacious = callPackage ../applications/audio/audacious {
+        };
+        audacity = callPackage ../applications/audio/audacity {
+          ffmpeg = ffmpeg_0_10;
+        };
+        milkytracker = callPackage ../applications/audio/milkytracker {
+        };
+        aumix = callPackage ../applications/audio/aumix {
+          gtkGUI = false;
+        };
+        autopanosiftc = callPackage ../applications/graphics/autopanosiftc {
+        };
+        avidemux = callPackage ../applications/video/avidemux {
+        };
+        avogadro = callPackage ../applications/science/chemistry/avogadro {
+          eigen = eigen2;
+        };
+        avrdudess = callPackage ../applications/misc/avrdudess {
+        };
+        avxsynth = callPackage ../applications/video/avxsynth {
+        };
+        awesome-3-4 = callPackage ../applications/window-managers/awesome/3.4.nix {
+          lua = lua5;
+          cairo = cairo.override {
+            xcbSupport = true;
+          };
+        };
+        awesome-3-5 = callPackage ../applications/window-managers/awesome {
+          lua = lua5_1;
+          cairo = cairo.override {
+            xcbSupport = true;
+          };
+        };
+        awesome = awesome-3-5;
+        inherit (gnome3) baobab;
+        bar = callPackage ../applications/window-managers/bar {
+        };
+        baresip = callPackage ../applications/networking/instant-messengers/baresip {
+          ffmpeg = ffmpeg_1;
+        };
+        batik = callPackage ../applications/graphics/batik {
+        };
+        bazaar = callPackage ../applications/version-management/bazaar {
+        };
+        bazaarTools = builderDefsPackage (import ../applications/version-management/bazaar/tools.nix) {
+          inherit bazaar;
+        };
+        beast = callPackage ../applications/audio/beast {
+          inherit (gnome) libgnomecanvas
+          libart_lgpl;
+          guile = guile_1_8;
+        };
+        bibletime = callPackage ../applications/misc/bibletime {
+        };
+        bitcoin = callPackage ../applications/misc/bitcoin {
+        };
+        bitlbee = callPackage ../applications/networking/instant-messengers/bitlbee {
+          gnutls = gnutls;
+          libotr = libotr_3_2;
+        };
+        blender = callPackage ../applications/misc/blender {
+          python = python34;
+        };
+        bristol = callPackage ../applications/audio/bristol {
+        };
+        bspwm = callPackage ../applications/window-managers/bspwm {
+        };
+        bvi = callPackage ../applications/editors/bvi {
+        };
+        calf = callPackage ../applications/audio/calf {
+          inherit (gnome) libglade;
+        };
+        calibre = callPackage ../applications/misc/calibre {
+          inherit (pythonPackages) pyqt5
+          sip_4_16;
+        };
+        camlistore = callPackage ../applications/misc/camlistore {
+        };
+        carrier = builderDefsPackage (import ../applications/networking/instant-messengers/carrier/2.5.0.nix) {
+          inherit fetchurl stdenv
+          pkgconfig perl perlXMLParser
+          libxml2 openssl nss gtkspell
+          aspell gettext ncurses avahi
+          dbus dbus_glib python libtool
+          automake autoconf gstreamer;
+          inherit gtk glib;
+          inherit (gnome) startupnotification
+          GConf;
+          inherit (xlibs) libXScrnSaver
+          scrnsaverproto libX11 xproto
+          kbproto;
+        };
+        funpidgin = carrier;
+        cc1394 = callPackage ../applications/video/cc1394 {
+        };
+        cddiscid = callPackage ../applications/audio/cd-discid {
+        };
+        cdparanoia = cdparanoiaIII;
+        cdparanoiaIII = callPackage ../applications/audio/cdparanoia {
+        };
+        cdrtools = callPackage ../applications/misc/cdrtools {
+        };
+        centerim = callPackage ../applications/networking/instant-messengers/centerim {
+        };
+        cgit = callPackage ../applications/version-management/git-and-tools/cgit {
+        };
+        cgminer = callPackage ../applications/misc/cgminer {
+          amdappsdk = amdappsdk28;
+        };
+        chatzilla = callPackage ../applications/networking/irc/chatzilla {
+        };
+        chromium = lowPrio (callPackage ../applications/networking/browsers/chromium {
+          channel = "stable";
+          pulseSupport = config.pulseaudio or true;
+          enablePepperFlash = config.chromium.enablePepperFlash or false;
+          enablePepperPDF = config.chromium.enablePepperPDF or false;
+        });
+        chromiumBeta = lowPrio (chromium.override {
+          channel = "beta";
+        });
+        chromiumBetaWrapper = lowPrio (wrapChromium chromiumBeta);
+        chromiumDev = lowPrio (chromium.override {
+          channel = "dev";
+        });
+        chromiumDevWrapper = lowPrio (wrapChromium chromiumDev);
+        chromiumWrapper = wrapChromium chromium;
+        cinelerra = callPackage ../applications/video/cinelerra {
+        };
+        clipit = callPackage ../applications/misc/clipit {
+        };
+        cmus = callPackage ../applications/audio/cmus {
+        };
+        compiz = callPackage ../applications/window-managers/compiz {
+          inherit (gnome) GConf ORBit2
+          metacity;
+          boost = boost149;
+        };
+        coriander = callPackage ../applications/video/coriander {
+          inherit (gnome) libgnomeui
+          GConf;
+        };
+        csound = callPackage ../applications/audio/csound {
+        };
+        cinepaint = callPackage ../applications/graphics/cinepaint {
+          fltk = fltk13;
+          libpng = libpng12;
+        };
+        codeblocks = callPackage ../applications/editors/codeblocks {
+        };
+        codeblocksFull = callPackage ../applications/editors/codeblocks {
+          contribPlugins = true;
+        };
+        codeville = builderDefsPackage (import ../applications/version-management/codeville/0.8.0.nix) {
+          inherit makeWrapper;
+          python = pythonFull;
+        };
+        comical = callPackage ../applications/graphics/comical {
+        };
+        conkeror = callPackage ../applications/networking/browsers/conkeror {
+        };
+        conkerorWrapper = wrapFirefox {
+          browser = conkeror;
+          browserName = "conkeror";
+          desktopName = "Conkeror";
+        };
+        cuneiform = builderDefsPackage (import ../tools/graphics/cuneiform) {
+          inherit cmake patchelf;
+          imagemagick = imagemagick;
+        };
+        cvs = callPackage ../applications/version-management/cvs {
+        };
+        cvsps = callPackage ../applications/version-management/cvsps {
+        };
+        cvs2svn = callPackage ../applications/version-management/cvs2svn {
+        };
+        d4x = callPackage ../applications/misc/d4x {
+        };
+        darcs = with haskellPackages_ghc783; callPackage ../applications/version-management/darcs {
+          cabal = cabal.override {
+            extension = self: super: {
+              isLibrary = false;
+              configureFlags = "-f-library " + (super.configureFlags or "");
+            };
+          };
+        };
+        darktable = callPackage ../applications/graphics/darktable {
+          inherit (gnome) GConf libglade;
+        };
+        dd-agent = callPackage ../tools/networking/dd-agent {
+          inherit (pythonPackages) tornado;
+        };
+        dia = callPackage ../applications/graphics/dia {
+          inherit (pkgs.gnome) libart_lgpl
+          libgnomeui;
+        };
+        diffuse = callPackage ../applications/version-management/diffuse {
+        };
+        distrho = callPackage ../applications/audio/distrho {
+        };
+        djvulibre = callPackage ../applications/misc/djvulibre {
+        };
+        djvu2pdf = callPackage ../tools/typesetting/djvu2pdf {
+        };
+        djview = callPackage ../applications/graphics/djview {
+        };
+        djview4 = pkgs.djview;
+        dmenu = callPackage ../applications/misc/dmenu {
+          enableXft = config.dmenu.enableXft or false;
+        };
+        dmtx = builderDefsPackage (import ../tools/graphics/dmtx) {
+          inherit libpng libtiff libjpeg
+          imagemagick librsvg pkgconfig
+          bzip2 zlib libtool freetype
+          fontconfig ghostscript jasper
+          xz;
+          inherit (xlibs) libX11;
+        };
+        docker = callPackage ../applications/virtualization/docker {
+        };
+        doodle = callPackage ../applications/search/doodle {
+        };
+        dunst = callPackage ../applications/misc/dunst {
+        };
+        dvb_apps = callPackage ../applications/video/dvb-apps {
+        };
+        dvdauthor = callPackage ../applications/video/dvdauthor {
+        };
+        dwb = callPackage ../applications/networking/browsers/dwb {
+          dconf = gnome3.dconf;
+        };
+        dwbWrapper = wrapFirefox {
+          browser = dwb;
+          browserName = "dwb";
+          desktopName = "dwb";
+        };
+        dwm = callPackage ../applications/window-managers/dwm {
+          patches = config.dwm.patches or [
+          ];
+        };
+        dzen2 = callPackage ../applications/window-managers/dzen2 {
+        };
+        eaglemode = callPackage ../applications/misc/eaglemode {
+        };
+        eclipses = recurseIntoAttrs (callPackage ../applications/editors/eclipse {
+        });
+        ed = callPackage ../applications/editors/ed {
+        };
+        ekho = callPackage ../applications/audio/ekho {
+        };
+        electrum = callPackage ../applications/misc/electrum {
+        };
+        elinks = callPackage ../applications/networking/browsers/elinks {
+        };
+        elvis = callPackage ../applications/editors/elvis {
+        };
+        emacs = emacs24;
+        emacs24 = callPackage ../applications/editors/emacs-24 {
+          libXaw = xlibs.libXaw;
+          Xaw3d = null;
+          gconf = null;
+          librsvg = null;
+          alsaLib = null;
+          imagemagick = null;
+        };
+        emacs24-nox = lowPrio (appendToName "nox" (emacs24.override {
+          withX = false;
+        }));
+        emacs24Macport = lowPrio (callPackage ../applications/editors/emacs-24/macport.nix {
+          stdenv = pkgs.clangStdenv;
+        });
+        emacsPackages = emacs: self: let
+          callPackage = newScope self;
+          in rec {
+            inherit emacs;
+            autoComplete = callPackage ../applications/editors/emacs-modes/auto-complete {
+            };
+            bbdb = callPackage ../applications/editors/emacs-modes/bbdb {
+            };
+            bbdb3 = callPackage ../applications/editors/emacs-modes/bbdb/3.nix {
+            };
+            cedet = callPackage ../applications/editors/emacs-modes/cedet {
+            };
+            calfw = callPackage ../applications/editors/emacs-modes/calfw {
+            };
+            coffee = callPackage ../applications/editors/emacs-modes/coffee {
+            };
+            colorTheme = callPackage ../applications/editors/emacs-modes/color-theme {
+            };
+            colorThemeSolarized = callPackage ../applications/editors/emacs-modes/color-theme-solarized {
+            };
+            cryptol = callPackage ../applications/editors/emacs-modes/cryptol {
+            };
+            cua = callPackage ../applications/editors/emacs-modes/cua {
+            };
+            darcsum = callPackage ../applications/editors/emacs-modes/darcsum {
+            };
+            jabber = callPackage ../applications/editors/emacs-modes/jabber {
+            };
+            emacsClangCompleteAsync = callPackage ../applications/editors/emacs-modes/emacs-clang-complete-async {
+            };
+            emacsSessionManagement = callPackage ../applications/editors/emacs-modes/session-management-for-emacs {
+            };
+            emacsw3m = callPackage ../applications/editors/emacs-modes/emacs-w3m {
+            };
+            emms = callPackage ../applications/editors/emacs-modes/emms {
+            };
+            ess = callPackage ../applications/editors/emacs-modes/ess {
+            };
+            flymakeCursor = callPackage ../applications/editors/emacs-modes/flymake-cursor {
+            };
+            gh = callPackage ../applications/editors/emacs-modes/gh {
+            };
+            graphvizDot = callPackage ../applications/editors/emacs-modes/graphviz-dot {
+            };
+            gist = callPackage ../applications/editors/emacs-modes/gist {
+            };
+            idris = callPackage ../applications/editors/emacs-modes/idris {
+            };
+            jade = callPackage ../applications/editors/emacs-modes/jade {
+            };
+            jdee = callPackage ../applications/editors/emacs-modes/jdee {
+            };
+            js2 = callPackage ../applications/editors/emacs-modes/js2 {
+            };
+            stratego = callPackage ../applications/editors/emacs-modes/stratego {
+            };
+            haskellMode = callPackage ../applications/editors/emacs-modes/haskell {
+            };
+            ocamlMode = callPackage ../applications/editors/emacs-modes/ocaml {
+            };
+            structuredHaskellMode = callPackage ../applications/editors/emacs-modes/structured-haskell-mode {
+              inherit (haskellPackages) cabal
+              haskellSrcExts;
+            };
+            tuaregMode = callPackage ../applications/editors/emacs-modes/tuareg {
+            };
+            hol_light_mode = callPackage ../applications/editors/emacs-modes/hol_light {
+            };
+            htmlize = callPackage ../applications/editors/emacs-modes/htmlize {
+            };
+            logito = callPackage ../applications/editors/emacs-modes/logito {
+            };
+            loremIpsum = callPackage ../applications/editors/emacs-modes/lorem-ipsum {
+            };
+            magit = callPackage ../applications/editors/emacs-modes/magit {
+            };
+            maudeMode = callPackage ../applications/editors/emacs-modes/maude {
+            };
+            metaweblog = callPackage ../applications/editors/emacs-modes/metaweblog {
+            };
+            notmuch = lowPrio (callPackage ../applications/networking/mailreaders/notmuch {
+            });
+            offlineimap = callPackage ../applications/editors/emacs-modes/offlineimap {
+            };
+            org = hiPrio (callPackage ../applications/editors/emacs-modes/org {
+            });
+            org2blog = callPackage ../applications/editors/emacs-modes/org2blog {
+            };
+            pcache = callPackage ../applications/editors/emacs-modes/pcache {
+            };
+            phpMode = callPackage ../applications/editors/emacs-modes/php {
+            };
+            prologMode = callPackage ../applications/editors/emacs-modes/prolog {
+            };
+            proofgeneral_4_2 = callPackage ../applications/editors/emacs-modes/proofgeneral/4.2.nix {
+              texinfo = texinfo4;
+              texLive = pkgs.texLiveAggregationFun {
+                paths = [
+                  pkgs.texLive
+                  pkgs.texLiveCMSuper
+                ];
+              };
+            };
+            proofgeneral_4_3_pre = callPackage ../applications/editors/emacs-modes/proofgeneral/4.3pre.nix {
+              texinfo = texinfo4;
+              texLive = pkgs.texLiveAggregationFun {
+                paths = [
+                  pkgs.texLive
+                  pkgs.texLiveCMSuper
+                ];
+              };
+            };
+            proofgeneral = self.proofgeneral_4_2;
+            quack = callPackage ../applications/editors/emacs-modes/quack {
+            };
+            rectMark = callPackage ../applications/editors/emacs-modes/rect-mark {
+            };
+            remember = callPackage ../applications/editors/emacs-modes/remember {
+            };
+            rudel = callPackage ../applications/editors/emacs-modes/rudel {
+            };
+            sbtMode = callPackage ../applications/editors/emacs-modes/sbt-mode {
+            };
+            scalaMode1 = callPackage ../applications/editors/emacs-modes/scala-mode/v1.nix {
+            };
+            scalaMode2 = callPackage ../applications/editors/emacs-modes/scala-mode/v2.nix {
+            };
+            sunriseCommander = callPackage ../applications/editors/emacs-modes/sunrise-commander {
+            };
+            writeGood = callPackage ../applications/editors/emacs-modes/writegood {
+            };
+            xmlRpc = callPackage ../applications/editors/emacs-modes/xml-rpc {
+            };
+          };
+        emacs24Packages = recurseIntoAttrs (emacsPackages emacs24 pkgs.emacs24Packages);
+        inherit (gnome3) empathy;
+        epdfview = callPackage ../applications/misc/epdfview {
+        };
+        inherit (gnome3) epiphany;
+        espeak = callPackage ../applications/audio/espeak {
+        };
+        espeakedit = callPackage ../applications/audio/espeak/edit.nix {
+        };
+        esniper = callPackage ../applications/networking/esniper {
+        };
+        etherape = callPackage ../applications/networking/sniffers/etherape {
+          inherit (gnome) gnomedocutils
+          libgnome libglade libgnomeui
+          scrollkeeper;
+        };
+        evopedia = callPackage ../applications/misc/evopedia {
+        };
+        keepassx = callPackage ../applications/misc/keepassx {
+        };
+        keepassx2 = callPackage ../applications/misc/keepassx/2.0.nix {
+        };
+        inherit (gnome3) evince;
+        evolution_data_server = gnome3.evolution_data_server;
+        keepass = callPackage ../applications/misc/keepass {
+        };
+        exrdisplay = callPackage ../applications/graphics/exrdisplay {
+          fltk = fltk20;
+        };
+        fbpanel = callPackage ../applications/window-managers/fbpanel {
+        };
+        fbreader = callPackage ../applications/misc/fbreader {
+        };
+        fetchmail = import ../applications/misc/fetchmail {
+          inherit stdenv fetchurl openssl;
+        };
+        fldigi = callPackage ../applications/audio/fldigi {
+        };
+        fluidsynth = callPackage ../applications/audio/fluidsynth {
+        };
+        fossil = callPackage ../applications/version-management/fossil {
+        };
+        fribid = callPackage ../applications/networking/browsers/mozilla-plugins/fribid {
+        };
+        fvwm = callPackage ../applications/window-managers/fvwm {
+        };
+        geany = callPackage ../applications/editors/geany {
+        };
+        gksu = callPackage ../applications/misc/gksu {
+        };
+        gnuradio = callPackage ../applications/misc/gnuradio {
+          inherit (pythonPackages) lxml
+          numpy scipy matplotlib pyopengl;
+          fftw = fftwFloat;
+        };
+        gnuradio-osmosdr = callPackage ../applications/misc/gnuradio-osmosdr {
+        };
+        goldendict = callPackage ../applications/misc/goldendict {
+        };
+        google-musicmanager = callPackage ../applications/audio/google-musicmanager {
+        };
+        gpicview = callPackage ../applications/graphics/gpicview {
+        };
+        gqrx = callPackage ../applications/misc/gqrx {
+        };
+        grass = import ../applications/misc/grass {
+          inherit (xlibs) libXmu libXext
+          libXp libX11 libXt libSM libICE
+          libXpm libXaw libXrender;
+          inherit config
+          composableDerivation stdenv
+          fetchurl lib flex bison cairo
+          fontconfig gdal zlib ncurses
+          gdbm proj pkgconfig swig blas
+          liblapack libjpeg libpng mysql
+          unixODBC mesa postgresql python
+          readline sqlite tcl tk libtiff
+          freetype makeWrapper wxGTK;
+          fftw = fftwSinglePrec;
+          ffmpeg = ffmpeg_0_10;
+          motif = lesstif;
+          opendwg = libdwg;
+          wxPython = wxPython28;
+        };
+        grip = callPackage ../applications/misc/grip {
+          inherit (gnome) libgnome
+          libgnomeui vte;
+        };
+        gtimelog = pythonPackages.gtimelog;
+        inherit (gnome3) gucharmap;
+        guitarix = callPackage ../applications/audio/guitarix {
+          fftw = fftwSinglePrec;
+        };
+        photivo = callPackage ../applications/graphics/photivo {
+        };
+        wavesurfer = callPackage ../applications/misc/audio/wavesurfer {
+        };
+        wireshark = callPackage ../applications/networking/sniffers/wireshark {
+        };
+        wvdial = callPackage ../os-specific/linux/wvdial {
+        };
+        fbida = callPackage ../applications/graphics/fbida {
+        };
+        fdupes = callPackage ../tools/misc/fdupes {
+        };
+        feh = callPackage ../applications/graphics/feh {
+        };
+        filezilla = callPackage ../applications/networking/ftp/filezilla {
+        };
+        firefox13Pkgs = callPackage ../applications/networking/browsers/firefox/13.0.nix {
+          inherit (gnome) libIDL;
+        };
+        firefox13Wrapper = wrapFirefox {
+          browser = firefox13Pkgs.firefox;
+        };
+        firefox30Pkgs = callPackage ../applications/networking/browsers/firefox/30.nix {
+          inherit (gnome) libIDL;
+          inherit (pythonPackages) pysqlite;
+          libpng = libpng_apng;
+        };
+        firefox = callPackage ../applications/networking/browsers/firefox {
+          inherit (gnome) libIDL;
+          inherit (pythonPackages) pysqlite;
+        };
+        firefoxWrapper = wrapFirefox {
+          browser = pkgs.firefox;
+        };
+        firefox-bin = callPackage ../applications/networking/browsers/firefox-bin {
+          gconf = pkgs.gnome.GConf;
+          inherit (pkgs.gnome) libgnome
+          libgnomeui;
+          inherit (pkgs.xlibs) libX11
+          libXScrnSaver libXext
+          libXinerama libXrender libXt;
+        };
+        flac = callPackage ../applications/audio/flac {
+        };
+        flashplayer = callPackage ../applications/networking/browsers/mozilla-plugins/flashplayer-11 {
+          debug = config.flashplayer.debug or false;
+        };
+        fluxbox = callPackage ../applications/window-managers/fluxbox {
+        };
+        freecad = callPackage ../applications/graphics/freecad {
+          opencascade = opencascade_6_5;
+          inherit (pythonPackages) matplotlib
+          pycollada;
+        };
+        freemind = callPackage ../applications/misc/freemind {
+          jdk = jdk;
+          jre = jdk;
+        };
+        freenet = callPackage ../applications/networking/p2p/freenet {
+        };
+        freepv = callPackage ../applications/graphics/freepv {
+        };
+        xfontsel = callPackage ../applications/misc/xfontsel {
+        };
+        xlsfonts = callPackage ../applications/misc/xlsfonts {
+        };
+        freerdp = callPackage ../applications/networking/remote/freerdp {
+          ffmpeg = ffmpeg_1;
+        };
+        freerdpUnstable = callPackage ../applications/networking/remote/freerdp/unstable.nix {
+        };
+        freicoin = callPackage ../applications/misc/freicoin {
+        };
+        fspot = callPackage ../applications/graphics/f-spot {
+          inherit (gnome) libgnome
+          libgnomeui;
+          gtksharp = gtksharp1;
+        };
+        fuze = callPackage ../applications/networking/instant-messengers/fuze {
+        };
+        gcolor2 = callPackage ../applications/graphics/gcolor2 {
+        };
+        get_iplayer = callPackage ../applications/misc/get_iplayer {
+        };
+        gimp_2_8 = callPackage ../applications/graphics/gimp/2.8.nix {
+          inherit (gnome) libart_lgpl;
+          webkit = null;
+          lcms = lcms2;
+          wrapPython = pythonPackages.wrapPython;
+        };
+        gimp = gimp_2_8;
+        gimpPlugins = recurseIntoAttrs (import ../applications/graphics/gimp/plugins {
+          inherit pkgs gimp;
+        });
+        gitAndTools = recurseIntoAttrs (import ../applications/version-management/git-and-tools {
+          inherit pkgs;
+        });
+        git = gitAndTools.git;
+        gitFull = gitAndTools.gitFull;
+        gitSVN = gitAndTools.gitSVN;
+        gitRepo = callPackage ../applications/version-management/git-repo {
+          python = python27;
+        };
+        gitolite = callPackage ../applications/version-management/gitolite {
+        };
+        inherit (gnome3) gitg;
+        giv = callPackage ../applications/graphics/giv {
+          pcre = pcre.override {
+            unicodeSupport = true;
+          };
+        };
+        gmrun = callPackage ../applications/misc/gmrun {
+        };
+        gnucash = callPackage ../applications/office/gnucash {
+          inherit (gnome2) libgnomeui
+          libgtkhtml gtkhtml libbonoboui
+          libgnomeprint libglade
+          libart_lgpl;
+          gconf = gnome2.GConf;
+          guile = guile_1_8;
+          slibGuile = slibGuile.override {
+            scheme = guile_1_8;
+          };
+          goffice = goffice_0_8;
+        };
+        goffice_0_8 = callPackage ../desktops/gnome-3/3.10/misc/goffice/0.8.nix {
+          inherit (gnome2) libglade
+          libgnomeui;
+          gconf = gnome2.GConf;
+          libart = gnome2.libart_lgpl;
+        };
+        ideas = recurseIntoAttrs (callPackage ../applications/editors/idea {
+        } // callPackage ../applications/editors/idea/pycharm.nix {
+        });
+        libquvi = callPackage ../applications/video/quvi/library.nix {
+        };
+        mi2ly = callPackage ../applications/audio/mi2ly {
+        };
+        praat = callPackage ../applications/audio/praat {
+        };
+        quvi = callPackage ../applications/video/quvi/tool.nix {
+        };
+        quvi_scripts = callPackage ../applications/video/quvi/scripts.nix {
+        };
+        qjackctl = callPackage ../applications/audio/qjackctl {
+        };
+        gkrellm = callPackage ../applications/misc/gkrellm {
+        };
+        gmu = callPackage ../applications/audio/gmu {
+        };
+        gnash = callPackage ../applications/video/gnash {
+          inherit (gnome) gtkglext;
+        };
+        gnome_mplayer = callPackage ../applications/video/gnome-mplayer {
+          inherit (gnome) GConf;
+        };
+        gnumeric = callPackage ../applications/office/gnumeric {
+          inherit (gnome3) goffice
+          gnome_icon_theme;
+        };
+        gnunet = callPackage ../applications/networking/p2p/gnunet {
+          libgcrypt = libgcrypt_1_6;
+        };
+        gnunet_svn = lowPrio (callPackage ../applications/networking/p2p/gnunet/svn.nix {
+          libgcrypt = libgcrypt_1_6;
+        });
+        gocr = callPackage ../applications/graphics/gocr {
+        };
+        gobby5 = callPackage ../applications/editors/gobby {
+          inherit (gnome) gtksourceview;
+        };
+        gphoto2 = callPackage ../applications/misc/gphoto2 {
+        };
+        gphoto2fs = builderDefsPackage ../applications/misc/gphoto2/gphotofs.nix {
+          inherit libgphoto2 fuse
+          pkgconfig glib libtool;
+        };
+        graphicsmagick = callPackage ../applications/graphics/graphicsmagick {
+        };
+        graphicsmagick_q16 = callPackage ../applications/graphics/graphicsmagick {
+          quantumdepth = 16;
+        };
+        graphicsmagick137 = callPackage ../applications/graphics/graphicsmagick/1.3.7.nix {
+          libpng = libpng12;
+        };
+        gtkpod = callPackage ../applications/audio/gtkpod {
+          inherit (gnome) libglade;
+        };
+        jbidwatcher = callPackage ../applications/misc/jbidwatcher {
+          java = if stdenv.isLinux
+            then jre
+            else jdk;
+        };
+        qrdecode = builderDefsPackage (import ../tools/graphics/qrdecode) {
+          libpng = libpng12;
+          opencv = opencv_2_1;
+        };
+        qrencode = callPackage ../tools/graphics/qrencode {
+        };
+        gecko_mediaplayer = callPackage ../applications/networking/browsers/mozilla-plugins/gecko-mediaplayer {
+          inherit (gnome) GConf;
+          browser = firefox;
+        };
+        geeqie = callPackage ../applications/graphics/geeqie {
+        };
+        gigedit = callPackage ../applications/audio/gigedit {
+        };
+        gqview = callPackage ../applications/graphics/gqview {
+        };
+        gmpc = callPackage ../applications/audio/gmpc {
+        };
+        gmtk = callPackage ../applications/networking/browsers/mozilla-plugins/gmtk {
+          inherit (gnome) GConf;
+        };
+        googleearth = callPackage_i686 ../applications/misc/googleearth {
+        };
+        google_talk_plugin = callPackage ../applications/networking/browsers/mozilla-plugins/google-talk-plugin {
+          libpng = libpng12;
+        };
+        gosmore = builderDefsPackage ../applications/misc/gosmore {
+          inherit fetchsvn curl pkgconfig
+          libxml2 gtk;
+        };
+        gpsbabel = callPackage ../applications/misc/gpsbabel {
+        };
+        gpscorrelate = callPackage ../applications/misc/gpscorrelate {
+        };
+        gpsd = callPackage ../servers/gpsd {
+        };
+        guitone = callPackage ../applications/version-management/guitone {
+        };
+        gv = callPackage ../applications/misc/gv {
+        };
+        guvcview = callPackage ../os-specific/linux/guvcview {
+        };
+        hello = callPackage ../applications/misc/hello/ex-2 {
+        };
+        herbstluftwm = callPackage ../applications/window-managers/herbstluftwm {
+        };
+        hexchat = callPackage ../applications/networking/irc/hexchat {
+        };
+        hexedit = callPackage ../applications/editors/hexedit {
+        };
+        hipchat = callPackage ../applications/networking/instant-messengers/hipchat {
+        };
+        homebank = callPackage ../applications/office/homebank {
+        };
+        htmldoc = callPackage ../applications/misc/htmldoc {
+          fltk = fltk13;
+        };
+        hugin = callPackage ../applications/graphics/hugin {
+        };
+        hydrogen = callPackage ../applications/audio/hydrogen {
+        };
+        i3 = callPackage ../applications/window-managers/i3 {
+        };
+        i3lock = callPackage ../applications/window-managers/i3/lock.nix {
+          inherit (xorg) libxkbfile;
+          cairo = cairo.override {
+            xcbSupport = true;
+          };
+        };
+        i3minator = callPackage ../tools/misc/i3minator {
+        };
+        i3status = callPackage ../applications/window-managers/i3/status.nix {
+        };
+        i810switch = callPackage ../os-specific/linux/i810switch {
+        };
+        icewm = callPackage ../applications/window-managers/icewm {
+        };
+        id3v2 = callPackage ../applications/audio/id3v2 {
+        };
+        ifenslave = callPackage ../os-specific/linux/ifenslave {
+        };
+        ii = callPackage ../applications/networking/irc/ii {
+        };
+        ike = callPackage ../applications/ike {
+        };
+        ikiwiki = callPackage ../applications/misc/ikiwiki {
+          inherit (perlPackages) TextMarkdown
+          URI HTMLParser HTMLScrubber
+          HTMLTemplate TimeDate CGISession
+          DBFile CGIFormBuilder
+          LocaleGettext RpcXML XMLSimple
+          PerlMagick YAML YAMLLibYAML
+          HTMLTree Filechdir
+          AuthenPassphrase
+          NetOpenIDConsumer
+          LWPxParanoidAgent CryptSSLeay;
+        };
+        imagemagick = callPackage ../applications/graphics/ImageMagick {
+          tetex = null;
+          librsvg = null;
+        };
+        imagemagickBig = lowPrio (callPackage ../applications/graphics/ImageMagick {
+        });
+        impressive = callPackage ../applications/office/impressive {
+          inherit (pythonPackages) pyopengl;
+        };
+        inferno = callPackage_i686 ../applications/inferno {
+        };
+        inkscape = callPackage ../applications/graphics/inkscape {
+          inherit (pythonPackages) lxml;
+          lcms = lcms2;
+        };
+        ion3 = callPackage ../applications/window-managers/ion-3 {
+          lua = lua5;
+        };
+        ipe = callPackage ../applications/graphics/ipe {
+        };
+        iptraf = callPackage ../applications/networking/iptraf {
+        };
+        irssi = callPackage ../applications/networking/irc/irssi {
+          stdenv = if stdenv.isDarwin
+            then stdenvAdapters.overrideGCC stdenv gccApple
+            else stdenv;
+        };
+        irssi_fish = callPackage ../applications/networking/irc/irssi/fish {
+        };
+        irssi_otr = callPackage ../applications/networking/irc/irssi/otr {
+        };
+        bip = callPackage ../applications/networking/irc/bip {
+        };
+        jack_capture = callPackage ../applications/audio/jack-capture {
+        };
+        jack_oscrolloscope = callPackage ../applications/audio/jack-oscrolloscope {
+        };
+        jack_rack = callPackage ../applications/audio/jack-rack {
+        };
+        jackmeter = callPackage ../applications/audio/jackmeter {
+        };
+        jalv = callPackage ../applications/audio/jalv {
+        };
+        jedit = callPackage ../applications/editors/jedit {
+        };
+        jigdo = callPackage ../applications/misc/jigdo {
+        };
+        jitsi = callPackage ../applications/networking/instant-messengers/jitsi {
+        };
+        joe = callPackage ../applications/editors/joe {
+        };
+        jbrout = callPackage ../applications/graphics/jbrout {
+          inherit (pythonPackages) lxml;
+        };
+        jwm = callPackage ../applications/window-managers/jwm {
+        };
+        k3d = callPackage ../applications/graphics/k3d {
+          inherit (pkgs.gnome2) gtkglext;
+        };
+        keepnote = callPackage ../applications/office/keepnote {
+          pygtk = pyGtkGlade;
+        };
+        kermit = callPackage ../tools/misc/kermit {
+        };
+        keymon = callPackage ../applications/video/key-mon {
+        };
+        kino = callPackage ../applications/video/kino {
+          inherit (gnome) libglade;
+        };
+        lame = callPackage ../applications/audio/lame {
+        };
+        larswm = callPackage ../applications/window-managers/larswm {
+        };
+        lash = callPackage ../applications/audio/lash {
+        };
+        ladspaH = callPackage ../applications/audio/ladspa-plugins/ladspah.nix {
+        };
+        ladspaPlugins = callPackage ../applications/audio/ladspa-plugins {
+          fftw = fftwSinglePrec;
+        };
+        caps = callPackage ../applications/audio/caps {
+        };
+        lastwatch = callPackage ../applications/audio/lastwatch {
+        };
+        lastfmsubmitd = callPackage ../applications/audio/lastfmsubmitd {
+        };
+        lbdb = callPackage ../tools/misc/lbdb {
+        };
+        lci = callPackage ../applications/science/logic/lci {
+        };
+        ldcpp = callPackage ../applications/networking/p2p/ldcpp {
+          inherit (gnome) libglade;
+        };
+        librecad = callPackage ../applications/misc/librecad {
+        };
+        librecad2 = callPackage ../applications/misc/librecad/2.0.nix {
+        };
+        libreoffice = callPackage ../applications/office/libreoffice {
+          inherit (perlPackages) ArchiveZip
+          CompressZlib;
+          inherit (gnome) GConf ORBit2
+          gnome_vfs;
+          zip = zip.override {
+            enableNLS = false;
+          };
+          boost = boost155;
+          jdk = openjdk;
+          fontsConf = makeFontsConf {
+            fontDirectories = [
+              freefont_ttf
+              xorg.fontmiscmisc
+              xorg.fontbhttf
+            ];
+          };
+          clucene_core = clucene_core_2;
+          lcms = lcms2;
+          harfbuzz = harfbuzz.override {
+            withIcu = true;
+            withGraphite2 = true;
+          };
+        };
+        liferea = callPackage ../applications/networking/newsreaders/liferea {
+        };
+        lingot = callPackage ../applications/audio/lingot {
+          inherit (gnome) libglade;
+        };
+        links = callPackage ../applications/networking/browsers/links {
+        };
+        ledger = callPackage ../applications/office/ledger/2.6.3.nix {
+        };
+        ledger3 = callPackage ../applications/office/ledger/3.0.nix {
+        };
+        lighttable = callPackage ../applications/editors/lighttable {
+        };
+        links2 = callPackage ../applications/networking/browsers/links2 {
+        };
+        linphone = callPackage ../applications/networking/instant-messengers/linphone rec {
+          inherit (gnome) libglade;
+          libexosip = libexosip_3;
+          libosip = libosip_3;
+        };
+        linuxsampler = callPackage ../applications/audio/linuxsampler {
+          bison = bison2;
+        };
+        llpp = callPackage ../applications/misc/llpp {
+          inherit (ocamlPackages) lablgl;
+        };
+        lmms = callPackage ../applications/audio/lmms {
+        };
+        lrzsz = callPackage ../tools/misc/lrzsz {
+        };
+        luminanceHDR = callPackage ../applications/graphics/luminance-hdr {
+        };
+        lxdvdrip = callPackage ../applications/video/lxdvdrip {
+        };
+        handbrake = callPackage ../applications/video/handbrake {
+        };
+        lynx = callPackage ../applications/networking/browsers/lynx {
+        };
+        lyx = callPackage ../applications/misc/lyx {
+        };
+        makeself = callPackage ../applications/misc/makeself {
+        };
+        matchbox = callPackage ../applications/window-managers/matchbox {
+        };
+        mcpp = callPackage ../development/compilers/mcpp {
+        };
+        mda_lv2 = callPackage ../applications/audio/mda-lv2 {
+        };
+        meld = callPackage ../applications/version-management/meld {
+          inherit (gnome) scrollkeeper;
+          pygtk = pyGtkGlade;
+        };
+        mcomix = callPackage ../applications/graphics/mcomix {
+        };
+        mercurial = callPackage ../applications/version-management/mercurial {
+          inherit (pythonPackages) curses
+          docutils;
+          guiSupport = false;
+        };
+        mercurialFull = appendToName "full" (pkgs.mercurial.override {
+          guiSupport = true;
+        });
+        merkaartor = callPackage ../applications/misc/merkaartor {
+        };
+        meshlab = callPackage ../applications/graphics/meshlab {
+        };
+        mhwaveedit = callPackage ../applications/audio/mhwaveedit {
+        };
+        mid2key = callPackage ../applications/audio/mid2key {
+        };
+        midori = callPackage ../applications/networking/browsers/midori {
+        };
+        midoriWrapper = wrapFirefox {
+          browser = midori;
+          browserName = "midori";
+          desktopName = "Midori";
+          icon = "${midori}/share/icons/hicolor/22x22/apps/midori.png";
+        };
+        mikmod = callPackage ../applications/audio/mikmod {
+        };
+        minicom = callPackage ../tools/misc/minicom {
+        };
+        minimodem = callPackage ../applications/audio/minimodem {
+        };
+        minidjvu = callPackage ../applications/graphics/minidjvu {
+        };
+        mirage = callPackage ../applications/graphics/mirage {
+        };
+        mixxx = callPackage ../applications/audio/mixxx {
+          inherit (vamp) vampSDK;
+        };
+        mmex = callPackage ../applications/office/mmex {
+        };
+        moc = callPackage ../applications/audio/moc {
+        };
+        monkeysAudio = callPackage ../applications/audio/monkeys-audio {
+        };
+        monodevelop = callPackage ../applications/editors/monodevelop {
+          inherit (gnome) gnome_vfs
+          libbonobo libglade libgnome
+          GConf;
+          mozilla = firefox;
+          gtksharp = gtksharp2;
+        };
+        monodoc = callPackage ../applications/editors/monodoc {
+          gtksharp = gtksharp1;
+        };
+        monotone = callPackage ../applications/version-management/monotone {
+          lua = lua5;
+          boost = boost149;
+        };
+        monotoneViz = builderDefsPackage (import ../applications/version-management/monotone-viz/mtn-head.nix) {
+          inherit ocaml graphviz pkgconfig
+          autoconf automake libtool glib
+          gtk;
+          inherit (ocamlPackages) lablgtk;
+          inherit (gnome) libgnomecanvas;
+        };
+        mopidy = callPackage ../applications/audio/mopidy {
+        };
+        mopidy-spotify = callPackage ../applications/audio/mopidy-spotify {
+        };
+        mopidy-moped = callPackage ../applications/audio/mopidy-moped {
+        };
+        mozilla = callPackage ../applications/networking/browsers/mozilla {
+          inherit (gnome) libIDL;
+        };
+        mozplugger = builderDefsPackage (import ../applications/networking/browsers/mozilla-plugins/mozplugger) {
+          inherit firefox;
+          inherit (xlibs) libX11 xproto;
+        };
+        easytag = callPackage ../applications/audio/easytag {
+        };
+        mp3info = callPackage ../applications/audio/mp3info {
+        };
+        mp3splt = callPackage ../applications/audio/mp3splt {
+        };
+        mpc123 = callPackage ../applications/audio/mpc123 {
+        };
+        mpg123 = callPackage ../applications/audio/mpg123 {
+        };
+        mpg321 = callPackage ../applications/audio/mpg321 {
+        };
+        mpc_cli = callPackage ../applications/audio/mpc {
+        };
+        ncmpc = callPackage ../applications/audio/ncmpc {
+        };
+        ncmpcpp = callPackage ../applications/audio/ncmpcpp {
+        };
+        normalize = callPackage ../applications/audio/normalize {
+        };
+        mplayer = callPackage ../applications/video/mplayer {
+          pulseSupport = config.pulseaudio or false;
+          vdpauSupport = config.mplayer.vdpauSupport or false;
+        };
+        mplayer2 = callPackage ../applications/video/mplayer2 {
+          ffmpeg = libav_9;
+        };
+        MPlayerPlugin = browser:
+        import ../applications/networking/browsers/mozilla-plugins/mplayerplug-in {
+          inherit browser;
+          inherit fetchurl stdenv
+          pkgconfig gettext;
+          inherit (xlibs) libXpm;
+        };
+        mpv = callPackage ../applications/video/mpv {
+          lua = lua5_1;
+          bs2bSupport = true;
+          quviSupport = true;
+          cacaSupport = true;
+        };
+        mrxvt = callPackage ../applications/misc/mrxvt {
+        };
+        multisync = callPackage ../applications/misc/multisync {
+          inherit (gnome) ORBit2 libbonobo
+          libgnomeui GConf;
+        };
+        mumble = callPackage ../applications/networking/mumble {
+          avahi = avahi.override {
+            withLibdnssdCompat = true;
+          };
+          jackSupport = config.mumble.jackSupport or false;
+          speechdSupport = config.mumble.speechdSupport or false;
+        };
+        murmur = callPackage ../applications/networking/mumble/murmur.nix {
+          avahi = avahi.override {
+            withLibdnssdCompat = true;
+          };
+          iceSupport = config.murmur.iceSupport or true;
+        };
+        mutt = callPackage ../applications/networking/mailreaders/mutt {
+        };
+        pcmanfm = callPackage ../applications/misc/pcmanfm {
+        };
+        ruby_gpgme = callPackage ../development/libraries/ruby_gpgme {
+          ruby = ruby19;
+          hoe = rubyLibs.hoe;
+        };
+        ruby_ncursesw_sup = callPackage ../development/libraries/ruby_ncursesw_sup {
+        };
+        shotcut = callPackage ../applications/video/shotcut {
+          mlt = mlt-qt5;
+        };
+        smplayer = callPackage ../applications/video/smplayer {
+        };
+        sup = with rubyLibs; callPackage ../applications/networking/mailreaders/sup {
+          ruby = ruby19.override {
+            cursesSupport = true;
+          };
+          inherit gettext highline iconv
+          locale lockfile text trollop
+          xapian_ruby which;
+          rmail_sup = "";
+          unicode = "";
+          bundler = pkgs.lib.overrideDerivation pkgs.rubyLibs.bundler (oldAttrs:
+          { dontPatchShebangs = 1; });
+          chronic = chronic;
+          gpgme = ruby_gpgme;
+          mime_types = mime_types;
+          ncursesw_sup = ruby_ncursesw_sup;
+          rake = rake;
+        };
+        synfigstudio = callPackage ../applications/graphics/synfigstudio {
+          fontsConf = makeFontsConf {
+            fontDirectories = [
+              freefont_ttf
+            ];
+          };
+        };
+        sxhkd = callPackage ../applications/window-managers/sxhkd {
+        };
+        msmtp = callPackage ../applications/networking/msmtp {
+        };
+        imapfilter = callPackage ../applications/networking/mailreaders/imapfilter.nix {
+          lua = lua5;
+        };
+        mupdf = callPackage ../applications/misc/mupdf {
+        };
+        mypaint = callPackage ../applications/graphics/mypaint {
+        };
+        mythtv = callPackage ../applications/video/mythtv {
+        };
+        tvtime = callPackage ../applications/video/tvtime {
+          kernel = linux;
+        };
+        nano = callPackage ../applications/editors/nano {
+        };
+        navipowm = callPackage ../applications/misc/navipowm {
+        };
+        navit = callPackage ../applications/misc/navit {
+        };
+        netbeans = callPackage ../applications/editors/netbeans {
+        };
+        ncdu = callPackage ../tools/misc/ncdu {
+        };
+        ncdc = callPackage ../applications/networking/p2p/ncdc {
+        };
+        nedit = callPackage ../applications/editors/nedit {
+          motif = lesstif;
+        };
+        netsurfBrowser = netsurf.browser;
+        netsurf = recurseIntoAttrs (import ../applications/networking/browsers/netsurf {
+          inherit pkgs;
+        });
+        notmuch = callPackage ../applications/networking/mailreaders/notmuch {
+          emacs = null;
+        };
+        nova = callPackage ../applications/virtualization/nova {
+        };
+        novaclient = callPackage ../applications/virtualization/nova/client.nix {
+        };
+        nspluginwrapper = callPackage ../applications/networking/browsers/mozilla-plugins/nspluginwrapper {
+        };
+        nvi = callPackage ../applications/editors/nvi {
+        };
+        nvpy = callPackage ../applications/editors/nvpy {
+        };
+        obconf = callPackage ../tools/X11/obconf {
+          inherit (gnome) libglade;
+        };
+        ocrad = callPackage ../applications/graphics/ocrad {
+        };
+        offrss = callPackage ../applications/networking/offrss {
+        };
+        ogmtools = callPackage ../applications/video/ogmtools {
+        };
+        omxplayer = callPackage ../applications/video/omxplayer {
+        };
+        oneteam = callPackage ../applications/networking/instant-messengers/oneteam {
+        };
+        openbox = callPackage ../applications/window-managers/openbox {
+        };
+        openimageio = callPackage ../applications/graphics/openimageio {
+        };
+        openjump = callPackage ../applications/misc/openjump {
+        };
+        openscad = callPackage ../applications/graphics/openscad {
+        };
+        opera = callPackage ../applications/networking/browsers/opera {
+          inherit (pkgs.kde4) kdelibs;
+        };
+        opusfile = callPackage ../applications/audio/opusfile {
+        };
+        opusTools = callPackage ../applications/audio/opus-tools {
+        };
+        pamixer = callPackage ../applications/audio/pamixer {
+        };
+        pan = callPackage ../applications/networking/newsreaders/pan {
+          spellChecking = false;
+        };
+        panotools = callPackage ../applications/graphics/panotools {
+        };
+        pavucontrol = callPackage ../applications/audio/pavucontrol {
+        };
+        paraview = callPackage ../applications/graphics/paraview {
+        };
+        pencil = callPackage ../applications/graphics/pencil {
+        };
+        petrifoo = callPackage ../applications/audio/petrifoo {
+          inherit (gnome) libgnomecanvas;
+        };
+        pdftk = callPackage ../tools/typesetting/pdftk {
+        };
+        pdfgrep = callPackage ../tools/typesetting/pdfgrep {
+        };
+        pianobar = callPackage ../applications/audio/pianobar {
+        };
+        pianobooster = callPackage ../applications/audio/pianobooster {
+        };
+        picard = callPackage ../applications/audio/picard {
+        };
+        picocom = callPackage ../tools/misc/picocom {
+        };
+        pidgin = callPackage ../applications/networking/instant-messengers/pidgin {
+          openssl = if config.pidgin.openssl or true
+            then openssl
+            else null;
+          gnutls = if config.pidgin.gnutls or false
+            then gnutls
+            else null;
+          libgcrypt = if config.pidgin.gnutls or false
+            then libgcrypt
+            else null;
+          startupnotification = libstartup_notification;
+        };
+        pidginlatex = callPackage ../applications/networking/instant-messengers/pidgin-plugins/pidgin-latex {
+          imagemagick = imagemagickBig;
+        };
+        pidginlatexSF = builderDefsPackage (import ../applications/networking/instant-messengers/pidgin-plugins/pidgin-latex/pidgin-latex-sf.nix) {
+          inherit pkgconfig pidgin texLive
+          imagemagick which glib gtk;
+        };
+        pidginmsnpecan = callPackage ../applications/networking/instant-messengers/pidgin-plugins/msn-pecan {
+        };
+        pidginotr = callPackage ../applications/networking/instant-messengers/pidgin-plugins/otr {
+        };
+        pidginsipe = callPackage ../applications/networking/instant-messengers/pidgin-plugins/sipe {
+        };
+        toxprpl = callPackage ../applications/networking/instant-messengers/pidgin-plugins/tox-prpl {
+        };
+        pinfo = callPackage ../applications/misc/pinfo {
+        };
+        pinta = callPackage ../applications/graphics/pinta {
+          gtksharp = gtksharp2;
+        };
+        pommed = callPackage ../os-specific/linux/pommed {
+          inherit (xorg) libXpm;
+        };
+        potrace = callPackage ../applications/graphics/potrace {
+        };
+        posterazor = callPackage ../applications/misc/posterazor {
+        };
+        pqiv = callPackage ../applications/graphics/pqiv {
+        };
+        qiv = callPackage ../applications/graphics/qiv {
+        };
+        procmail = callPackage ../applications/misc/procmail {
+        };
+        pstree = callPackage ../applications/misc/pstree {
+        };
+        pulseview = callPackage ../applications/science/electronics/pulseview {
+        };
+        puredata = callPackage ../applications/audio/puredata {
+        };
+        pythonmagick = callPackage ../applications/graphics/PythonMagick {
+        };
+        qbittorrent = callPackage ../applications/networking/p2p/qbittorrent {
+        };
+        eiskaltdcpp = callPackage ../applications/networking/p2p/eiskaltdcpp {
+        };
+        qemu = callPackage ../applications/virtualization/qemu {
+        };
+        qmmp = callPackage ../applications/audio/qmmp {
+        };
+        qsampler = callPackage ../applications/audio/qsampler {
+        };
+        qsynth = callPackage ../applications/audio/qsynth {
+        };
+        qtpfsgui = callPackage ../applications/graphics/qtpfsgui {
+        };
+        qtractor = callPackage ../applications/audio/qtractor {
+        };
+        quodlibet = callPackage ../applications/audio/quodlibet {
+          inherit (pythonPackages) mutagen;
+        };
+        quodlibet-with-gst-plugins = callPackage ../applications/audio/quodlibet {
+          inherit (pythonPackages) mutagen;
+          withGstPlugins = true;
+          gst_plugins_bad = null;
+        };
+        rakarrack = callPackage ../applications/audio/rakarrack {
+          inherit (xorg) libXpm libXft;
+          fltk = fltk13;
+        };
+        rapcad = callPackage ../applications/graphics/rapcad {
+        };
+        rapidsvn = callPackage ../applications/version-management/rapidsvn {
+        };
+        ratpoison = callPackage ../applications/window-managers/ratpoison {
+        };
+        rawtherapee = callPackage ../applications/graphics/rawtherapee {
+          fftw = fftwSinglePrec;
+        };
+        rcs = callPackage ../applications/version-management/rcs {
+        };
+        rdesktop = callPackage ../applications/networking/remote/rdesktop {
+        };
+        recode = callPackage ../tools/text/recode {
+        };
+        retroshare = callPackage ../applications/networking/p2p/retroshare {
+          qt = qt4;
+        };
+        retroshare06 = lowPrio (callPackage ../applications/networking/p2p/retroshare/0.6.nix {
+          qt = qt4;
+        });
+        rsync = callPackage ../applications/networking/sync/rsync {
+          enableACLs = !(stdenv.isDarwin || stdenv.isSunOS || stdenv.isFreeBSD);
+          enableCopyDevicesPatch = config.rsync.enableCopyDevicesPatch or false;
+        };
+        rtl-sdr = callPackage ../applications/misc/rtl-sdr {
+        };
+        rubyripper = callPackage ../applications/audio/rubyripper {
+        };
+        rxvt = callPackage ../applications/misc/rxvt {
+        };
+        rxvt_unicode = callPackage ../applications/misc/rxvt_unicode {
+          perlSupport = true;
+          gdkPixbufSupport = true;
+          unicode3Support = true;
+        };
+        sakura = callPackage ../applications/misc/sakura {
+          inherit (gnome) vte;
+        };
+        sbagen = callPackage ../applications/misc/sbagen {
+        };
+        scite = callPackage ../applications/editors/scite {
+        };
+        scribus = callPackage ../applications/office/scribus {
+          inherit (gnome) libart_lgpl;
+        };
+        seafile-client = callPackage ../applications/networking/seafile-client {
+        };
+        seeks = callPackage ../tools/networking/p2p/seeks {
+          opencv = opencv_2_1;
+        };
+        seg3d = callPackage ../applications/graphics/seg3d {
+          wxGTK = wxGTK28.override {
+            unicode = false;
+          };
+        };
+        seq24 = callPackage ../applications/audio/seq24 {
+        };
+        setbfree = callPackage ../applications/audio/setbfree {
+        };
+        sflphone = callPackage ../applications/networking/instant-messengers/sflphone {
+          gtk = gtk3;
+        };
+        siproxd = callPackage ../applications/networking/siproxd {
+        };
+        skype = callPackage_i686 ../applications/networking/instant-messengers/skype {
+        };
+        skype4pidgin = callPackage ../applications/networking/instant-messengers/pidgin-plugins/skype4pidgin {
+        };
+        skype_call_recorder = callPackage ../applications/networking/instant-messengers/skype-call-recorder {
+        };
+        slrn = callPackage ../applications/networking/newsreaders/slrn {
+        };
+        spideroak = callPackage ../applications/networking/spideroak {
+        };
+        ssvnc = callPackage ../applications/networking/remote/ssvnc {
+        };
+        st = callPackage ../applications/misc/st {
+          conf = config.st.conf or null;
+        };
+        linuxstopmotion = callPackage ../applications/video/linuxstopmotion {
+        };
+        sweethome3d = recurseIntoAttrs (callPackage ../applications/misc/sweethome3d {
+        } // callPackage ../applications/misc/sweethome3d/editors.nix {
+          sweethome3dApp = sweethome3d.application;
+        });
+        sxiv = callPackage ../applications/graphics/sxiv {
+        };
+        bittorrentSync = callPackage ../applications/networking/bittorrentsync {
+        };
+        dropbox = callPackage ../applications/networking/dropbox {
+        };
+        dropbox-cli = callPackage ../applications/networking/dropbox-cli {
+        };
+        lightdm = callPackage ../applications/display-managers/lightdm {
+        };
+        lightdm_gtk_greeter = callPackage ../applications/display-managers/lightdm-gtk-greeter {
+        };
+        slic3r = callPackage ../applications/misc/slic3r {
+          perlPackages = perl514Packages;
+          perl = perl514;
+        };
+        curaengine = callPackage ../applications/misc/curaengine {
+        };
+        cura = callPackage ../applications/misc/cura {
+        };
+        printrun = callPackage ../applications/misc/printrun {
+        };
+        slim = callPackage ../applications/display-managers/slim {
+          libpng = libpng12;
+        };
+        smartdeblur = callPackage ../applications/graphics/smartdeblur {
+        };
+        snd = callPackage ../applications/audio/snd {
+        };
+        shntool = callPackage ../applications/audio/shntool {
+        };
+        sonic_visualiser = callPackage ../applications/audio/sonic-visualiser {
+          inherit (pkgs.vamp) vampSDK;
+          inherit (pkgs.xlibs) libX11;
+          fftw = pkgs.fftwSinglePrec;
+        };
+        sox = callPackage ../applications/misc/audio/sox {
+        };
+        soxr = callPackage ../applications/misc/audio/soxr {
+        };
+        spotify = callPackage ../applications/audio/spotify {
+          inherit (gnome) GConf;
+          libpng = libpng12;
+        };
+        libspotify = callPackage ../development/libraries/libspotify {
+          apiKey = config.libspotify.apiKey or null;
+        };
+        stalonetray = callPackage ../applications/window-managers/stalonetray {
+        };
+        stp = callPackage ../applications/science/logic/stp {
+        };
+        stumpwm = lispPackages.stumpwm;
+        sublime = callPackage ../applications/editors/sublime {
+        };
+        sublime3 = lowPrio (callPackage ../applications/editors/sublime3 {
+        });
+        subversion = callPackage ../applications/version-management/subversion/default.nix {
+          bdbSupport = true;
+          httpServer = false;
+          httpSupport = true;
+          pythonBindings = false;
+          perlBindings = false;
+          javahlBindings = false;
+          saslSupport = false;
+          httpd = apacheHttpd;
+          sasl = cyrus_sasl;
+        };
+        subversionClient = appendToName "client" (subversion.override {
+          bdbSupport = false;
+          perlBindings = true;
+          pythonBindings = true;
+        });
+        surf = callPackage ../applications/misc/surf {
+          webkit = webkitgtk2;
+        };
+        svk = perlPackages.SVK;
+        swh_lv2 = callPackage ../applications/audio/swh-lv2 {
+        };
+        sylpheed = callPackage ../applications/networking/mailreaders/sylpheed {
+          sslSupport = true;
+          gpgSupport = true;
+        };
+        symlinks = callPackage ../tools/system/symlinks {
+        };
+        syncthing = callPackage ../applications/networking/syncthing {
+        };
+        synergy = callPackage ../applications/misc/synergy {
+        };
+        tabbed = callPackage ../applications/window-managers/tabbed {
+        };
+        tahoelafs = callPackage ../tools/networking/p2p/tahoe-lafs {
+          inherit (pythonPackages) twisted
+          foolscap simplejson nevow zfec
+          pycryptopp sqlite3 darcsver
+          setuptoolsTrial setuptoolsDarcs
+          numpy pyasn1 mock;
+        };
+        tailor = builderDefsPackage (import ../applications/version-management/tailor) {
+          inherit makeWrapper python;
+        };
+        tangogps = callPackage ../applications/misc/tangogps {
+          gconf = gnome.GConf;
+        };
+        teamspeak_client = callPackage ../applications/networking/instant-messengers/teamspeak/client.nix {
+        };
+        teamspeak_server = callPackage ../applications/networking/instant-messengers/teamspeak/server.nix {
+        };
+        taskjuggler = callPackage ../applications/misc/taskjuggler {
+        };
+        taskwarrior = callPackage ../applications/misc/taskwarrior {
+        };
+        taskserver = callPackage ../servers/misc/taskserver {
+        };
+        telegram-cli = callPackage ../applications/networking/instant-messengers/telegram-cli/default.nix {
+        };
+        telepathy_gabble = callPackage ../applications/networking/instant-messengers/telepathy/gabble {
+        };
+        telepathy_haze = callPackage ../applications/networking/instant-messengers/telepathy/haze {
+        };
+        telepathy_logger = callPackage ../applications/networking/instant-messengers/telepathy/logger {
+        };
+        telepathy_mission_control = callPackage ../applications/networking/instant-messengers/telepathy/mission-control {
+        };
+        telepathy_rakia = callPackage ../applications/networking/instant-messengers/telepathy/rakia {
+        };
+        telepathy_salut = callPackage ../applications/networking/instant-messengers/telepathy/salut {
+        };
+        terminator = callPackage ../applications/misc/terminator {
+          vte = gnome.vte.override {
+            pythonSupport = true;
+          };
+          inherit (pythonPackages) notify;
+        };
+        tesseract = callPackage ../applications/graphics/tesseract {
+        };
+        thinkingRock = callPackage ../applications/misc/thinking-rock {
+        };
+        thunderbird = callPackage ../applications/networking/mailreaders/thunderbird {
+          inherit (gnome) libIDL;
+          inherit (pythonPackages) pysqlite;
+          libpng = libpng_apng;
+        };
+        thunderbird-bin = callPackage ../applications/networking/mailreaders/thunderbird-bin {
+          gconf = pkgs.gnome.GConf;
+          inherit (pkgs.gnome) libgnome
+          libgnomeui;
+          inherit (pkgs.xlibs) libX11
+          libXScrnSaver libXext
+          libXinerama libXrender libXt;
+        };
+        tig = gitAndTools.tig;
+        timidity = callPackage ../tools/misc/timidity {
+        };
+        tint2 = callPackage ../applications/misc/tint2 {
+        };
+        tkcvs = callPackage ../applications/version-management/tkcvs {
+        };
+        tla = callPackage ../applications/version-management/arch {
+        };
+        todo-txt-cli = callPackage ../applications/office/todo.txt-cli {
+        };
+        torchat = callPackage ../applications/networking/instant-messengers/torchat {
+          wrapPython = pythonPackages.wrapPython;
+        };
+        toxic = callPackage ../applications/networking/instant-messengers/toxic {
+        };
+        transcode = callPackage ../applications/audio/transcode {
+        };
+        transmission = callPackage ../applications/networking/p2p/transmission {
+        };
+        transmission_gtk = transmission.override {
+          enableGTK3 = true;
+        };
+        transmission_remote_gtk = callPackage ../applications/networking/p2p/transmission-remote-gtk {
+        };
+        trayer = callPackage ../applications/window-managers/trayer {
+        };
+        tree = callPackage ../tools/system/tree {
+        };
+        tribler = callPackage ../applications/networking/p2p/tribler {
+        };
+        twister = callPackage ../applications/networking/p2p/twister {
+        };
+        twmn = callPackage ../applications/misc/twmn {
+        };
+        twinkle = callPackage ../applications/networking/instant-messengers/twinkle {
+        };
+        umurmur = callPackage ../applications/networking/umurmur {
+        };
+        unison = callPackage ../applications/networking/sync/unison {
+          inherit (ocamlPackages) lablgtk;
+          enableX11 = config.unison.enableX11 or true;
+        };
+        uucp = callPackage ../tools/misc/uucp {
+        };
+        uvccapture = callPackage ../applications/video/uvccapture {
+        };
+        uwimap = callPackage ../tools/networking/uwimap {
+        };
+        uzbl = callPackage ../applications/networking/browsers/uzbl {
+          webkit = webkitgtk2;
+        };
+        uTox = callPackage ../applications/networking/instant-messengers/utox {
+        };
+        vanitygen = callPackage ../applications/misc/vanitygen {
+        };
+        vbindiff = callPackage ../applications/editors/vbindiff {
+        };
+        vcprompt = callPackage ../applications/version-management/vcprompt {
+        };
+        vdpauinfo = callPackage ../tools/X11/vdpauinfo {
+        };
+        veracity = callPackage ../applications/version-management/veracity {
+        };
+        viewMtn = builderDefsPackage (import ../applications/version-management/viewmtn/0.10.nix) {
+          inherit monotone cheetahTemplate
+          highlight ctags makeWrapper
+          graphviz which python;
+          flup = pythonPackages.flup;
+        };
+        vim = callPackage ../applications/editors/vim {
+        };
+        macvim = callPackage ../applications/editors/vim/macvim.nix {
+        };
+        vimHugeX = vim_configurable;
+        vim_configurable = callPackage ../applications/editors/vim/configurable.nix {
+          inherit (pkgs) fetchurl fetchhg
+          stdenv ncurses pkgconfig gettext
+          composableDerivation lib config
+          glib gtk python perl tcl ruby;
+          inherit (pkgs.xlibs) libX11
+          libXext libSM libXpm libXt
+          libXaw libXau libXmu libICE;
+          features = "huge";
+          lua = pkgs.lua5;
+          gui = config.vim.gui or "auto";
+          flags = [ "python" "X11" ];
+          inherit stdenvAdapters gccApple;
+        };
+        vimNox = lowPrio (vim_configurable.override {
+          source = "vim-nox";
+        });
+        qvim = lowPrio (callPackage ../applications/editors/vim/qvim.nix {
+          inherit (pkgs) fetchgit stdenv
+          ncurses pkgconfig gettext
+          composableDerivation lib config
+          python perl tcl ruby qt4;
+          inherit (pkgs.xlibs) libX11
+          libXext libSM libXpm libXt
+          libXaw libXau libXmu libICE;
+          inherit (pkgs) stdenvAdapters
+          gccApple;
+          features = "huge";
+          lua = pkgs.lua5;
+          flags = [ "python" "X11" ];
+        });
+        vimpc = callPackage ../applications/audio/vimpc {
+        };
+        virtviewer = callPackage ../applications/virtualization/virt-viewer {
+          gtkvnc = gtkvnc.override {
+            enableGTK3 = true;
+          };
+          spice_gtk = spice_gtk.override {
+            enableGTK3 = true;
+          };
+        };
+        virtmanager = callPackage ../applications/virtualization/virt-manager {
+          inherit (gnome) gnome_python;
+          vte = gnome3.vte;
+          dconf = gnome3.dconf;
+          gtkvnc = gtkvnc.override {
+            enableGTK3 = true;
+          };
+          spice_gtk = spice_gtk.override {
+            enableGTK3 = true;
+          };
+        };
+        virtinst = callPackage ../applications/virtualization/virtinst {
+        };
+        virtualgl = callPackage ../tools/X11/virtualgl {
+        };
+        bumblebee = callPackage ../tools/X11/bumblebee {
+        };
+        vkeybd = callPackage ../applications/audio/vkeybd {
+          inherit (xlibs) libX11;
+        };
+        vlc = callPackage ../applications/video/vlc {
+        };
+        vmpk = callPackage ../applications/audio/vmpk {
+        };
+        vnstat = callPackage ../applications/networking/vnstat {
+        };
+        vorbisTools = callPackage ../applications/audio/vorbis-tools {
+        };
+        vue = callPackage ../applications/misc/vue {
+          jre = icedtea7_jre;
+        };
+        vwm = callPackage ../applications/window-managers/vwm {
+        };
+        vym = callPackage ../applications/misc/vym {
+        };
+        w3m = callPackage ../applications/networking/browsers/w3m {
+          graphicsSupport = false;
+        };
+        weechat = callPackage ../applications/networking/irc/weechat {
+        };
+        weechatDevel = lowPrio (callPackage ../applications/networking/irc/weechat/devel.nix {
+        });
+        weston = callPackage ../applications/window-managers/weston {
+        };
+        windowmaker = callPackage ../applications/window-managers/windowmaker {
+        };
+        winswitch = callPackage ../tools/X11/winswitch {
+        };
+        wings = callPackage ../applications/graphics/wings {
+          erlang = erlangR14;
+          esdl = esdl.override {
+            erlang = erlangR14;
+          };
+        };
+        wmname = callPackage ../applications/misc/wmname {
+        };
+        wmctrl = callPackage ../tools/X11/wmctrl {
+        };
+        wmiimenu = import ../applications/window-managers/wmii31 {
+          libixp = libixp_for_wmii;
+          inherit fetchurl stdenv gawk;
+          inherit (xlibs) libX11;
+        };
+        wmiiSnap = import ../applications/window-managers/wmii {
+          libixp = libixp_for_wmii;
+          inherit fetchurl stdenv gawk;
+          inherit (xlibs) libX11 xextproto
+          libXt libXext;
+          includeUnpack = config.stdenv.includeUnpack or false;
+        };
+        wordnet = callPackage ../applications/misc/wordnet {
+        };
+        wrapChromium = browser:
+        wrapFirefox {
+          inherit browser;
+          browserName = browser.packageName;
+          desktopName = "Chromium";
+          icon = "${browser}/share/icons/hicolor/48x48/apps/${browser.packageName}.png";
+        };
+        wrapFirefox = { browser, browserName ? "firefox", desktopName ? "Firefox", icon ? "${browser}/lib/${browser.name}/browser/icons/mozicon128.png", nameSuffix ? "" }:
+        let
+          cfg = stdenv.lib.attrByPath [
+            browserName
+          ] { } config;
+          enableAdobeFlash = cfg.enableAdobeFlash or false;
+          enableGnash = cfg.enableGnash or false;
+          in import ../applications/networking/browsers/firefox/wrapper.nix {
+            inherit stdenv lib makeWrapper
+            makeDesktopItem browser
+            browserName desktopName
+            nameSuffix icon;
+            plugins = assert !(enableGnash && enableAdobeFlash); [
+            ] ++ lib.optional enableGnash gnash ++ lib.optional enableAdobeFlash flashplayer ++ lib.optional (cfg.enableDjvu or false) djview4 ++ lib.optional (cfg.enableMPlayer or false) (MPlayerPlugin browser) ++ lib.optional (cfg.enableGeckoMediaPlayer or false) gecko_mediaplayer ++ lib.optional (supportsJDK && (cfg.jre or false && jrePlugin ? mozillaPlugin)) jrePlugin ++ lib.optional (cfg.enableGoogleTalkPlugin or false) google_talk_plugin ++ lib.optional (cfg.enableFriBIDPlugin or false) fribid ++ lib.optional (cfg.enableGnomeExtensions or false) gnome3.gnome_shell;
+            libs = [
+              gstreamer
+              gst_plugins_base
+            ] ++ lib.optionals (cfg.enableQuakeLive or false) (with xlibs; [
+              stdenv.gcc
+              libX11
+              libXxf86dga
+              libXxf86vm
+              libXext
+              libXt
+              alsaLib
+              zlib
+            ]);
+            gtk_modules = [ libcanberra ];
+          };
+        x11vnc = callPackage ../tools/X11/x11vnc {
+        };
+        x2vnc = callPackage ../tools/X11/x2vnc {
+        };
+        xaos = builderDefsPackage (import ../applications/graphics/xaos) {
+          inherit (xlibs) libXt libX11
+          libXext xextproto xproto;
+          inherit gsl aalib zlib intltool
+          gettext perl;
+          libpng = libpng12;
+        };
+        xara = callPackage ../applications/graphics/xara {
+        };
+        xawtv = callPackage ../applications/video/xawtv {
+        };
+        xbindkeys = callPackage ../tools/X11/xbindkeys {
+        };
+        xbmc = callPackage ../applications/video/xbmc {
+          ffmpeg = ffmpeg_1;
+        };
+        xca = callPackage ../applications/misc/xca {
+        };
+        xcalib = callPackage ../tools/X11/xcalib {
+        };
+        xcape = callPackage ../tools/X11/xcape {
+        };
+        xchainkeys = callPackage ../tools/X11/xchainkeys {
+        };
+        xchat = callPackage ../applications/networking/irc/xchat {
+        };
+        xchm = callPackage ../applications/misc/xchm {
+        };
+        xcompmgr = callPackage ../applications/window-managers/xcompmgr {
+        };
+        compton = callPackage ../applications/window-managers/compton {
+        };
+        xdaliclock = callPackage ../tools/misc/xdaliclock {
+        };
+        xdg-user-dirs = callPackage ../tools/X11/xdg-user-dirs {
+        };
+        xdg_utils = callPackage ../tools/X11/xdg-utils {
+        };
+        xdotool = callPackage ../tools/X11/xdotool {
+        };
+        xen = callPackage ../applications/virtualization/xen {
+          stdenv = overrideGCC stdenv gcc45;
+        };
+        xfe = callPackage ../applications/misc/xfe {
+          fox = fox_1_6;
+        };
+        xfig = callPackage ../applications/graphics/xfig {
+        };
+        xineUI = callPackage ../applications/video/xine-ui {
+        };
+        xneur_0_13 = callPackage ../applications/misc/xneur {
+        };
+        xneur_0_8 = callPackage ../applications/misc/xneur/0.8.nix {
+        };
+        xneur = xneur_0_13;
+        gxneur = callPackage ../applications/misc/gxneur {
+          inherit (gnome) libglade GConf;
+        };
+        xournal = callPackage ../applications/graphics/xournal {
+          inherit (gnome) libgnomeprint
+          libgnomeprintui libgnomecanvas;
+        };
+        xpdf = callPackage ../applications/misc/xpdf {
+          motif = lesstif;
+          base14Fonts = "${ghostscript}/share/ghostscript/fonts";
+        };
+        xkb_switch = callPackage ../tools/X11/xkb-switch {
+        };
+        libxpdf = callPackage ../applications/misc/xpdf/libxpdf.nix {
+        };
+        xpra = callPackage ../tools/X11/xpra {
+        };
+        xrestop = callPackage ../tools/X11/xrestop {
+        };
+        xscreensaver = callPackage ../misc/screensavers/xscreensaver {
+          inherit (gnome) libglade;
+        };
+        xsynth_dssi = callPackage ../applications/audio/xsynth-dssi {
+        };
+        xterm = callPackage ../applications/misc/xterm {
+        };
+        finalterm = callPackage ../applications/misc/finalterm {
+        };
+        xtrace = callPackage ../tools/X11/xtrace {
+        };
+        xlaunch = callPackage ../tools/X11/xlaunch {
+        };
+        xmacro = callPackage ../tools/X11/xmacro {
+        };
+        xmove = callPackage ../applications/misc/xmove {
+        };
+        xmp = callPackage ../applications/audio/xmp {
+        };
+        xnee = callPackage ../tools/X11/xnee {
+          stdenv = overrideInStdenv stdenv [
+            gnumake381
+          ];
+        };
+        xvidcap = callPackage ../applications/video/xvidcap {
+          inherit (gnome) scrollkeeper
+          libglade;
+        };
+        yate = callPackage ../applications/misc/yate {
+        };
+        inherit (gnome3) yelp;
+        qgis = callPackage ../applications/misc/qgis {
+        };
+        qtbitcointrader = callPackage ../applications/misc/qtbitcointrader {
+        };
+        ykpers = callPackage ../applications/misc/ykpers {
+        };
+        yoshimi = callPackage ../applications/audio/yoshimi {
+          fltk = fltk13;
+        };
+        zathuraCollection = recurseIntoAttrs (let
+          callPackage = newScope pkgs.zathuraCollection;
+          in import ../applications/misc/zathura {
+            inherit callPackage pkgs
+            fetchurl;
+            useMupdf = config.zathura.useMupdf or false;
+          });
+        zathura = zathuraCollection.zathuraWrapper;
+        zed = callPackage ../applications/editors/zed {
+        };
+        zeroc_ice = callPackage ../development/libraries/zeroc-ice {
+        };
+        girara = callPackage ../applications/misc/girara {
+          gtk = gtk3;
+        };
+        zgrviewer = callPackage ../applications/graphics/zgrviewer {
+        };
+        zotero = callPackage ../applications/office/zotero {
+          xulrunner = xulrunner_30;
+        };
+        zynaddsubfx = callPackage ../applications/audio/zynaddsubfx {
+        };
+        alienarena = callPackage ../games/alienarena {
+        };
+        andyetitmoves = if stdenv.isLinux
+          then callPackage ../games/andyetitmoves {
+          }
+          else null;
+        anki = callPackage ../games/anki {
+        };
+        asc = callPackage ../games/asc {
+          lua = lua5;
+          libsigcxx = libsigcxx12;
+        };
+        astromenace = callPackage ../games/astromenace {
+        };
+        atanks = callPackage ../games/atanks {
+        };
+        ballAndPaddle = callPackage ../games/ball-and-paddle {
+          guile = guile_1_8;
+        };
+        bitsnbots = callPackage ../games/bitsnbots {
+          lua = lua5;
+        };
+        blackshades = callPackage ../games/blackshades {
+        };
+        blackshadeselite = callPackage ../games/blackshadeselite {
+        };
+        blobby = callPackage ../games/blobby {
+        };
+        bsdgames = callPackage ../games/bsdgames {
+        };
+        btanks = callPackage ../games/btanks {
+        };
+        bzflag = callPackage ../games/bzflag {
+        };
+        castle_combat = callPackage ../games/castle-combat {
+        };
+        chessdb = callPackage ../games/chessdb {
+        };
+        construoBase = lowPrio (callPackage ../games/construo {
+          mesa = null;
+          freeglut = null;
+        });
+        construo = construoBase.override {
+          inherit mesa freeglut;
+        };
+        crack_attack = callPackage ../games/crack-attack {
+        };
+        crafty = callPackage ../games/crafty {
+        };
+        craftyFull = appendToName "full" (crafty.override {
+          fullVariant = true;
+        });
+        crrcsim = callPackage ../games/crrcsim {
+        };
+        dhewm3 = callPackage ../games/dhewm3 {
+        };
+        drumkv1 = callPackage ../applications/audio/drumkv1 {
+        };
+        dwarf_fortress = callPackage_i686 ../games/dwarf-fortress {
+          SDL_image = pkgsi686Linux.SDL_image.override {
+            libpng = pkgsi686Linux.libpng12;
+          };
+        };
+        dwarf_fortress_2014 = callPackage_i686 ../games/dwarf-fortress/df2014.nix {
+          SDL_image = pkgsi686Linux.SDL_image.override {
+            libpng = pkgsi686Linux.libpng12;
+          };
+        };
+        dwarf_fortress_modable = appendToName "moddable" (dwarf_fortress.override {
+          copyDataDirectory = true;
+        });
+        dwarf_fortress_2014_modable = appendToName "moddable" (dwarf_fortress_2014.override {
+          copyDataDirectory = true;
+        });
+        dwarf-therapist = callPackage ../games/dwarf-therapist {
+        };
+        d1x_rebirth = callPackage ../games/d1x-rebirth {
+        };
+        d2x_rebirth = callPackage ../games/d2x-rebirth {
+        };
+        eboard = callPackage ../games/eboard {
+        };
+        eduke32 = callPackage ../games/eduke32 {
+        };
+        egoboo = callPackage ../games/egoboo {
+        };
+        exult = callPackage ../games/exult {
+        };
+        flightgear = callPackage ../games/flightgear {
+        };
+        freeciv = callPackage ../games/freeciv {
+        };
+        freeciv_gtk = callPackage ../games/freeciv {
+          gtkClient = true;
+          sdlClient = false;
+        };
+        freedink = callPackage ../games/freedink {
+        };
+        fsg = callPackage ../games/fsg {
+          wxGTK = wxGTK28.override {
+            unicode = false;
+          };
+        };
+        gemrb = callPackage ../games/gemrb {
+        };
+        gl117 = callPackage ../games/gl-117 {
+        };
+        glestae = callPackage ../games/glestae {
+        };
+        globulation2 = callPackage ../games/globulation {
+        };
+        gltron = callPackage ../games/gltron {
+        };
+        gnuchess = callPackage ../games/gnuchess {
+        };
+        gnugo = callPackage ../games/gnugo {
+        };
+        gparted = callPackage ../tools/misc/gparted {
+        };
+        gsmartcontrol = callPackage ../tools/misc/gsmartcontrol {
+          inherit (gnome) libglademm;
+        };
+        gtypist = callPackage ../games/gtypist {
+        };
+        hexen = callPackage ../games/hexen {
+        };
+        icbm3d = callPackage ../games/icbm3d {
+        };
+        ingen = callPackage ../applications/audio/ingen {
+        };
+        instead = callPackage ../games/instead {
+          lua = lua5;
+        };
+        kobodeluxe = callPackage ../games/kobodeluxe {
+        };
+        lincity = builderDefsPackage (import ../games/lincity) {
+          inherit (xlibs) libX11 libXext
+          xextproto libICE libSM xproto;
+          inherit libpng zlib;
+        };
+        lincity_ng = callPackage ../games/lincity/ng.nix {
+        };
+        mars = callPackage ../games/mars {
+        };
+        micropolis = callPackage ../games/micropolis {
+        };
+        mnemosyne = callPackage ../games/mnemosyne {
+          inherit (pythonPackages) matplotlib
+          cherrypy sqlite3;
+        };
+        naev = callPackage ../games/naev {
+        };
+        nexuiz = callPackage ../games/nexuiz {
+        };
+        njam = callPackage ../games/njam {
+        };
+        oilrush = callPackage ../games/oilrush {
+        };
+        openra = callPackage ../games/openra {
+        };
+        openttd = callPackage ../games/openttd {
+          zlib = zlibStatic;
+        };
+        opentyrian = callPackage ../games/opentyrian {
+        };
+        openxcom = callPackage ../games/openxcom {
+        };
+        pingus = callPackage ../games/pingus {
+        };
+        pioneers = callPackage ../games/pioneers {
+        };
+        pong3d = callPackage ../games/pong3d {
+        };
+        prboom = callPackage ../games/prboom {
+        };
+        quake3demo = callPackage ../games/quake3/wrapper {
+          name = "quake3-demo-${quake3game.name}";
+          description = "Demo of Quake 3 Arena, a classic first-person shooter";
+          game = quake3game;
+          paks = [ quake3demodata ];
+        };
+        quake3demodata = callPackage ../games/quake3/demo {
+        };
+        quake3game = callPackage ../games/quake3/game {
+        };
+        quantumminigolf = callPackage ../games/quantumminigolf {
+        };
+        racer = callPackage ../games/racer {
+        };
+        residualvm = callPackage ../games/residualvm {
+          openglSupport = mesaSupported;
+        };
+        rigsofrods = callPackage ../games/rigsofrods {
+          mygui = myguiSvn;
+        };
+        rili = callPackage ../games/rili {
+        };
+        rogue = callPackage ../games/rogue {
+        };
+        samplv1 = callPackage ../applications/audio/samplv1 {
+        };
+        sauerbraten = callPackage ../games/sauerbraten {
+        };
+        scid = callPackage ../games/scid {
+        };
+        scummvm = callPackage ../games/scummvm {
+        };
+        scorched3d = callPackage ../games/scorched3d {
+        };
+        sdlmame = callPackage ../games/sdlmame {
+        };
+        sgtpuzzles = builderDefsPackage (import ../games/sgt-puzzles) {
+          inherit pkgconfig fetchsvn perl
+          gtk;
+          inherit (xlibs) libX11;
+        };
+        simutrans = callPackage ../games/simutrans {
+        };
+        soi = callPackage ../games/soi {
+        };
+        spaceOrbit = callPackage ../games/orbit {
+        };
+        spring = callPackage ../games/spring {
+        };
+        springLobby = callPackage ../games/spring/springlobby.nix {
+        };
+        stardust = callPackage ../games/stardust {
+        };
+        steam = callPackage_i686 ../games/steam {
+        };
+        steamChrootEnv = callPackage_i686 ../games/steam/chrootenv.nix {
+          zenity = gnome2.zenity;
+        };
+        stuntrally = callPackage ../games/stuntrally {
+        };
+        superTux = callPackage ../games/super-tux {
+        };
+        superTuxKart = callPackage ../games/super-tux-kart {
+        };
+        synthv1 = callPackage ../applications/audio/synthv1 {
+        };
+        tbe = callPackage ../games/the-butterfly-effect {
+        };
+        teetertorture = callPackage ../games/teetertorture {
+        };
+        teeworlds = callPackage ../games/teeworlds {
+        };
+        tennix = callPackage ../games/tennix {
+        };
+        tibia = callPackage ../games/tibia {
+        };
+        tintin = callPackage ../games/tintin {
+        };
+        tpm = callPackage ../games/thePenguinMachine {
+        };
+        tremulous = callPackage ../games/tremulous {
+        };
+        speed_dreams = callPackage ../games/speed-dreams {
+          plib = plib.override {
+            enablePIC = !stdenv.isi686;
+          };
+          libpng = libpng12;
+        };
+        torcs = callPackage ../games/torcs {
+          plib = plib.override {
+            enablePIC = !stdenv.isi686;
+          };
+        };
+        trigger = callPackage ../games/trigger {
+        };
+        typespeed = callPackage ../games/typespeed {
+        };
+        ufoai = callPackage ../games/ufoai {
+        };
+        ultimatestunts = callPackage ../games/ultimatestunts {
+        };
+        ultrastardx = callPackage ../games/ultrastardx {
+          ffmpeg = ffmpeg_0_6;
+          lua = lua5;
+        };
+        unvanquished = callPackage ../games/unvanquished {
+        };
+        uqm = callPackage ../games/uqm {
+        };
+        urbanterror = callPackage ../games/urbanterror {
+        };
+        ut2004demo = callPackage ../games/ut2004demo {
+        };
+        vdrift = callPackage ../games/vdrift {
+        };
+        vectoroids = callPackage ../games/vectoroids {
+        };
+        vessel = callPackage_i686 ../games/vessel {
+        };
+        warmux = callPackage ../games/warmux {
+        };
+        warsow = callPackage ../games/warsow {
+          libjpeg = libjpeg62;
+        };
+        warzone2100 = callPackage ../games/warzone2100 {
+        };
+        widelands = callPackage ../games/widelands {
+          lua = lua5_1;
+        };
+        worldofgoo_demo = callPackage ../games/worldofgoo {
+          demo = true;
+        };
+        worldofgoo = callPackage ../games/worldofgoo {
+        };
+        xboard = callPackage ../games/xboard {
+        };
+        xconq = callPackage ../games/xconq {
+        };
+        xonotic = callPackage ../games/xonotic {
+        };
+        xskat = callPackage ../games/xskat {
+        };
+        xsokoban = builderDefsPackage (import ../games/xsokoban) {
+          inherit (xlibs) libX11 xproto
+          libXpm libXt;
+        };
+        zdoom = callPackage ../games/zdoom {
+        };
+        zod = callPackage ../games/zod {
+        };
+        zoom = callPackage ../games/zoom {
+        };
+        keen4 = callPackage ../games/keen4 {
+        };
+        zeroad = callPackage ../games/0ad {
+        };
+        cinnamon = recurseIntoAttrs rec {
+          callPackage = newScope pkgs.cinnamon;
+          inherit (gnome3) gnome_common
+          libgnomekbd gnome-menus zenity;
+          muffin = callPackage ../desktops/cinnamon/muffin.nix {
+          };
+          cinnamon-control-center = callPackage ../desktops/cinnamon/cinnamon-control-center.nix {
+          };
+          cinnamon-settings-daemon = callPackage ../desktops/cinnamon/cinnamon-settings-daemon.nix {
+          };
+          cinnamon-session = callPackage ../desktops/cinnamon/cinnamon-session.nix {
+          };
+          cinnamon-desktop = callPackage ../desktops/cinnamon/cinnamon-desktop.nix {
+          };
+          cinnamon-translations = callPackage ../desktops/cinnamon/cinnamon-translations.nix {
+          };
+          cjs = callPackage ../desktops/cinnamon/cjs.nix {
+          };
+        };
+        enlightenment = callPackage ../desktops/enlightenment {
+        };
+        e17 = recurseIntoAttrs (let
+          callPackage = newScope pkgs.e17;
+          in import ../desktops/e17 {
+            inherit callPackage pkgs;
+          });
+        e18 = recurseIntoAttrs (let
+          callPackage = newScope pkgs.e18;
+          in import ../desktops/e18 {
+            inherit callPackage pkgs;
+          });
+        gnome2 = callPackage ../desktops/gnome-2 {
+          callPackage = pkgs.newScope pkgs.gnome2;
+          self = pkgs.gnome2;
+        } // pkgs.gtkLibs // {
+          inherit (pkgs) libsoup libwnck
+          gtk_doc gnome_doc_utils;
+        };
+        gnome3 = recurseIntoAttrs (callPackage ../desktops/gnome-3/3.10 {
+          callPackage = pkgs.newScope pkgs.gnome3;
+          self = pkgs.gnome3;
+        });
+        gnome3_12 = recurseIntoAttrs (callPackage ../desktops/gnome-3/3.12 {
+          callPackage = pkgs.newScope pkgs.gnome3_12;
+        });
+        gnome = recurseIntoAttrs gnome2;
+        hsetroot = callPackage ../tools/X11/hsetroot {
+        };
+        kakasi = callPackage ../tools/text/kakasi {
+        };
+        kde4 = recurseIntoAttrs pkgs.kde412;
+        kde4_next = recurseIntoAttrs (lib.lowPrioSet pkgs.kde412);
+        kde412 = kdePackagesFor (pkgs.kde412 // {
+          eigen = eigen2;
+          libusb = libusb1;
+          libcanberra = libcanberra_kde;
+        }) ../desktops/kde-4.12;
+        kdePackagesFor = self: dir: let
+          callPackageOrig = callPackage;
+          in let
+            callPackage = newScope self;
+            kde4 = callPackageOrig dir {
+              inherit callPackage
+              callPackageOrig;
+            };
+            in kde4 // {
+              inherit kde4;
+              wrapper = callPackage ../build-support/kdewrapper {
+              };
+              recurseForRelease = true;
+              akunambol = callPackage ../applications/networking/sync/akunambol {
+              };
+              amarok = callPackage ../applications/audio/amarok {
+              };
+              bangarang = callPackage ../applications/video/bangarang {
+              };
+              basket = callPackage ../applications/office/basket {
+              };
+              bluedevil = callPackage ../tools/bluetooth/bluedevil {
+              };
+              calligra = callPackage ../applications/office/calligra {
+              };
+              colord-kde = callPackage ../tools/misc/colord-kde {
+              };
+              digikam = if builtins.compareVersions "4.9" kde4.release == 1
+                then callPackage ../applications/graphics/digikam/2.nix {
+                }
+                else callPackage ../applications/graphics/digikam {
+                };
+              eventlist = callPackage ../applications/office/eventlist {
+              };
+              k3b = callPackage ../applications/misc/k3b {
+              };
+              kadu = callPackage ../applications/networking/instant-messengers/kadu {
+              };
+              kbibtex = callPackage ../applications/office/kbibtex {
+              };
+              kde_gtk_config = callPackage ../tools/misc/kde-gtk-config {
+              };
+              kde_wacomtablet = callPackage ../applications/misc/kde-wacomtablet {
+              };
+              kdeconnect = callPackage ../applications/misc/kdeconnect {
+              };
+              kdenlive = callPackage ../applications/video/kdenlive {
+                mlt = mlt-qt4;
+              };
+              kdesvn = callPackage ../applications/version-management/kdesvn {
+              };
+              kdevelop = callPackage ../applications/editors/kdevelop {
+              };
+              kdevplatform = callPackage ../development/libraries/kdevplatform {
+              };
+              kdiff3 = callPackage ../tools/text/kdiff3 {
+              };
+              kile = callPackage ../applications/editors/kile {
+              };
+              kmplayer = callPackage ../applications/video/kmplayer {
+              };
+              kmymoney = callPackage ../applications/office/kmymoney {
+              };
+              kipi_plugins = callPackage ../applications/graphics/kipi-plugins {
+              };
+              konversation = callPackage ../applications/networking/irc/konversation {
+              };
+              kvirc = callPackage ../applications/networking/irc/kvirc {
+              };
+              krename = callPackage ../applications/misc/krename {
+              };
+              krusader = callPackage ../applications/misc/krusader {
+              };
+              ksshaskpass = callPackage ../tools/security/ksshaskpass {
+              };
+              ktorrent = callPackage ../applications/networking/p2p/ktorrent {
+              };
+              kuickshow = callPackage ../applications/graphics/kuickshow {
+              };
+              libalkimia = callPackage ../development/libraries/libalkimia {
+              };
+              libktorrent = callPackage ../development/libraries/libktorrent {
+              };
+              libkvkontakte = callPackage ../development/libraries/libkvkontakte {
+              };
+              liblikeback = callPackage ../development/libraries/liblikeback {
+              };
+              libmm-qt = callPackage ../development/libraries/libmm-qt {
+              };
+              libnm-qt = callPackage ../development/libraries/libnm-qt {
+              };
+              networkmanagement = callPackage ../tools/networking/networkmanagement {
+              };
+              partitionManager = callPackage ../tools/misc/partition-manager {
+              };
+              plasma-nm = callPackage ../tools/networking/plasma-nm {
+              };
+              polkit_kde_agent = callPackage ../tools/security/polkit-kde-agent {
+              };
+              psi = callPackage ../applications/networking/instant-messengers/psi {
+              };
+              qtcurve = callPackage ../misc/themes/qtcurve {
+              };
+              quassel = callPackage ../applications/networking/irc/quassel {
+                dconf = gnome3.dconf;
+              };
+              quasselWithoutKDE = self.quassel.override {
+                withKDE = false;
+                tag = "-without-kde";
+              };
+              quasselDaemon = self.quassel.override {
+                monolithic = false;
+                daemon = true;
+                tag = "-daemon";
+              };
+              quasselClient = self.quassel.override {
+                monolithic = false;
+                client = true;
+                tag = "-client";
+              };
+              quasselClientWithoutKDE = self.quasselClient.override {
+                withKDE = false;
+                tag = "-client-without-kde";
+              };
+              rekonq = callPackage ../applications/networking/browsers/rekonq {
+              };
+              kwebkitpart = callPackage ../applications/networking/browsers/kwebkitpart {
+              };
+              rsibreak = callPackage ../applications/misc/rsibreak {
+              };
+              semnotes = callPackage ../applications/misc/semnotes {
+              };
+              skrooge = callPackage ../applications/office/skrooge {
+              };
+              telepathy = callPackage ../applications/networking/instant-messengers/telepathy/kde {
+              };
+              yakuake = callPackage ../applications/misc/yakuake {
+              };
+              zanshin = callPackage ../applications/office/zanshin {
+              };
+              kwooty = callPackage ../applications/networking/newsreaders/kwooty {
+              };
+            };
+        redshift = callPackage ../applications/misc/redshift {
+          inherit (xorg) libX11 libXrandr
+          libxcb randrproto libXxf86vm
+          xf86vidmodeproto;
+          inherit (gnome) GConf;
+          inherit (pythonPackages) pyxdg;
+          geoclue = geoclue2;
+        };
+        oxygen_gtk = callPackage ../misc/themes/gtk2/oxygen-gtk {
+        };
+        gtk_engines = callPackage ../misc/themes/gtk2/gtk-engines {
+        };
+        gtk-engine-murrine = callPackage ../misc/themes/gtk2/gtk-engine-murrine {
+        };
+        gnome_themes_standard = gnome3.gnome_themes_standard;
+        mate-icon-theme = callPackage ../misc/themes/mate-icon-theme {
+        };
+        mate-themes = callPackage ../misc/themes/mate-themes {
+        };
+        xfce = xfce4_10;
+        xfce4_10 = recurseIntoAttrs (import ../desktops/xfce {
+          inherit pkgs newScope;
+        });
+        drgeo = builderDefsPackage (import ../applications/science/geometry/drgeo) {
+          inherit (gnome) libglade;
+          inherit libxml2 perl intltool
+          libtool pkgconfig gtk;
+          guile = guile_1_8;
+        };
+        tetgen = callPackage ../applications/science/geometry/tetgen {
+        };
+        alliance = callPackage ../applications/science/electronics/alliance {
+          motif = lesstif;
+        };
+        arb = callPackage ../applications/science/biology/arb {
+          lesstif = lesstif93;
+        };
+        archimedes = callPackage ../applications/science/electronics/archimedes {
+        };
+        biolib = callPackage ../development/libraries/science/biology/biolib {
+        };
+        emboss = callPackage ../applications/science/biology/emboss {
+        };
+        mrbayes = callPackage ../applications/science/biology/mrbayes {
+        };
+        ncbiCTools = builderDefsPackage ../development/libraries/ncbi {
+          inherit tcsh mesa lesstif;
+          inherit (xlibs) libX11 libXaw
+          xproto libXt libSM libICE libXmu
+          libXext;
+        };
+        ncbi_tools = callPackage ../applications/science/biology/ncbi-tools {
+        };
+        paml = callPackage ../applications/science/biology/paml {
+        };
+        pal2nal = callPackage ../applications/science/biology/pal2nal {
+        };
+        plink = callPackage ../applications/science/biology/plink/default.nix {
+        };
+        arpack = callPackage ../development/libraries/science/math/arpack {
+        };
+        atlas = callPackage ../development/libraries/science/math/atlas {
+          tolerateCpuTimingInaccuracy = true;
+        };
+        blas = callPackage ../development/libraries/science/math/blas {
+        };
+        content = builderDefsPackage ../applications/science/math/content {
+          inherit mesa lesstif;
+          inherit (xlibs) libX11 libXaw
+          xproto libXt libSM libICE libXmu
+          libXext libXcursor;
+        };
+        jags = callPackage ../applications/science/math/jags {
+        };
+        liblapack = callPackage ../development/libraries/science/math/liblapack {
+        };
+        liblapack_3_5_0 = callPackage ../development/libraries/science/math/liblapack/3.5.0.nix {
+        };
+        liblbfgs = callPackage ../development/libraries/science/math/liblbfgs {
+        };
+        openblas = callPackage ../development/libraries/science/math/openblas {
+        };
+        openblas_0_2_10 = callPackage ../development/libraries/science/math/openblas/0.2.10.nix {
+          liblapack = liblapack_3_5_0;
+        };
+        mathematica = callPackage ../applications/science/math/mathematica {
+        };
+        sage = callPackage ../applications/science/math/sage {
+        };
+        gromacs = callPackage ../applications/science/molecular-dynamics/gromacs {
+          singlePrec = true;
+          fftw = fftwSinglePrec;
+          cmake = cmakeCurses;
+        };
+        gromacsDouble = lowPrio (callPackage ../applications/science/molecular-dynamics/gromacs {
+          singlePrec = false;
+          fftw = fftw;
+          cmake = cmakeCurses;
+        });
+        abc-verifier = callPackage ../applications/science/logic/abc {
+        };
+        alt-ergo = callPackage ../applications/science/logic/alt-ergo {
+        };
+        coq = callPackage ../applications/science/logic/coq {
+          inherit (ocamlPackages) findlib
+          lablgtk;
+          camlp5 = ocamlPackages.camlp5_transitional;
+        };
+        coq_HEAD = callPackage ../applications/science/logic/coq/HEAD.nix {
+          inherit (ocamlPackages) findlib
+          lablgtk;
+          camlp5 = ocamlPackages.camlp5_transitional;
+        };
+        coq_8_3 = callPackage ../applications/science/logic/coq/8.3.nix {
+          inherit (ocamlPackages) findlib
+          lablgtk;
+          camlp5 = ocamlPackages.camlp5_transitional;
+        };
+        cvc3 = callPackage ../applications/science/logic/cvc3 {
+        };
+        ekrhyper = callPackage ../applications/science/logic/ekrhyper {
+        };
+        eprover = callPackage ../applications/science/logic/eprover {
+          texLive = texLiveAggregationFun {
+            paths = [
+              texLive
+              texLiveExtra
+            ];
+          };
+        };
+        ginac = callPackage ../applications/science/math/ginac {
+        };
+        hol = callPackage ../applications/science/logic/hol {
+        };
+        hol_light = callPackage ../applications/science/logic/hol_light {
+          inherit (ocamlPackages) findlib;
+          camlp5 = ocamlPackages.camlp5_strict;
+        };
+        isabelle = import ../applications/science/logic/isabelle {
+          inherit (pkgs) stdenv fetchurl
+          nettools perl polyml;
+          inherit (pkgs.emacs24Packages) proofgeneral;
+        };
+        iprover = callPackage ../applications/science/logic/iprover {
+        };
+        leo2 = callPackage ../applications/science/logic/leo2 {
+        };
+        logisim = callPackage ../applications/science/logic/logisim {
+        };
+        ltl2ba = callPackage ../applications/science/logic/ltl2ba {
+        };
+        matita = callPackage ../applications/science/logic/matita {
+          ocaml = ocaml_3_11_2;
+          inherit (ocamlPackages_3_11_2) findlib
+          lablgtk ocaml_expat gmetadom
+          ocaml_http lablgtkmathview
+          ocaml_mysql ocaml_sqlite3
+          ocamlnet camlzip ocaml_pcre;
+          ulex08 = ocamlPackages_3_11_2.ulex08.override {
+            camlp5 = ocamlPackages_3_11_2.camlp5_5_transitional;
+          };
+        };
+        matita_130312 = lowPrio (callPackage ../applications/science/logic/matita/130312.nix {
+          inherit (ocamlPackages) findlib
+          lablgtk ocaml_expat gmetadom
+          ocaml_http ocaml_mysql ocamlnet
+          ulex08 camlzip ocaml_pcre;
+        });
+        minisat = callPackage ../applications/science/logic/minisat {
+        };
+        opensmt = callPackage ../applications/science/logic/opensmt {
+        };
+        otter = callPackage ../applications/science/logic/otter {
+        };
+        picosat = callPackage ../applications/science/logic/picosat {
+        };
+        prooftree = callPackage ../applications/science/logic/prooftree {
+          inherit (ocamlPackages) findlib
+          lablgtk;
+          camlp5 = ocamlPackages.camlp5_transitional;
+        };
+        prover9 = callPackage ../applications/science/logic/prover9 {
+        };
+        satallax = callPackage ../applications/science/logic/satallax {
+        };
+        spass = callPackage ../applications/science/logic/spass {
+        };
+        ssreflect = callPackage ../applications/science/logic/ssreflect {
+          camlp5 = ocamlPackages.camlp5_transitional;
+        };
+        tptp = callPackage ../applications/science/logic/tptp {
+        };
+        twelf = callPackage ../applications/science/logic/twelf {
+          smlnj = if stdenv.isDarwin
+            then smlnjBootstrap
+            else smlnj;
+        };
+        verifast = callPackage ../applications/science/logic/verifast {
+        };
+        why3 = callPackage ../applications/science/logic/why3 {
+        };
+        yices = callPackage ../applications/science/logic/yices {
+        };
+        z3 = callPackage ../applications/science/logic/z3 {
+        };
+        boolector = boolector15;
+        boolector15 = callPackage ../applications/science/logic/boolector {
+        };
+        boolector16 = lowPrio (callPackage ../applications/science/logic/boolector {
+          useV16 = true;
+        });
+        eagle = callPackage_i686 ../applications/science/electronics/eagle {
+        };
+        caneda = callPackage ../applications/science/electronics/caneda {
+        };
+        gtkwave = callPackage ../applications/science/electronics/gtkwave {
+        };
+        kicad = callPackage ../applications/science/electronics/kicad {
+          wxGTK = wxGTK29;
+        };
+        ngspice = callPackage ../applications/science/electronics/ngspice {
+        };
+        qucs = callPackage ../applications/science/electronics/qucs {
+        };
+        xoscope = callPackage ../applications/science/electronics/xoscope {
+        };
+        ecm = callPackage ../applications/science/math/ecm {
+        };
+        eukleides = callPackage ../applications/science/math/eukleides {
+          texinfo = texinfo4;
+        };
+        fricas = callPackage ../applications/science/math/fricas {
+        };
+        gap = callPackage ../applications/science/math/gap {
+        };
+        maxima = callPackage ../applications/science/math/maxima {
+        };
+        wxmaxima = callPackage ../applications/science/math/wxmaxima {
+        };
+        pari = callPackage ../applications/science/math/pari {
+        };
+        pspp = callPackage ../applications/science/math/pssp {
+          inherit (gnome) libglade
+          gtksourceview;
+        };
+        singular = callPackage ../applications/science/math/singular {
+        };
+        scilab = callPackage ../applications/science/math/scilab {
+          withXaw3d = false;
+          withTk = true;
+          withGtk = false;
+          withOCaml = true;
+          withX = true;
+        };
+        msieve = callPackage ../applications/science/math/msieve {
+        };
+        weka = callPackage ../applications/science/math/weka {
+        };
+        yad = callPackage ../tools/misc/yad {
+        };
+        yacas = callPackage ../applications/science/math/yacas {
+        };
+        speedcrunch = callPackage ../applications/science/math/speedcrunch {
+          qt = qt4;
+          cmake = cmakeCurses;
+        };
+        boinc = callPackage ../applications/science/misc/boinc {
+        };
+        celestia = callPackage ../applications/science/astronomy/celestia {
+          lua = lua5_1;
+          inherit (xlibs) libXmu;
+          inherit (pkgs.gnome) gtkglext;
+        };
+        fityk = callPackage ../applications/science/misc/fityk {
+        };
+        gravit = callPackage ../applications/science/astronomy/gravit {
+        };
+        golly = callPackage ../applications/science/misc/golly {
+        };
+        megam = callPackage ../applications/science/misc/megam {
+        };
+        root = callPackage ../applications/science/misc/root {
+        };
+        simgrid = callPackage ../applications/science/misc/simgrid {
+        };
+        spyder = callPackage ../applications/science/spyder {
+          inherit (pythonPackages) pyflakes
+          rope sphinx numpy scipy
+          matplotlib;
+          inherit (pythonPackages) ipython
+          pep8;
+          inherit pylint;
+        };
+        stellarium = callPackage ../applications/science/astronomy/stellarium {
+        };
+        tulip = callPackage ../applications/science/misc/tulip {
+        };
+        vite = callPackage ../applications/science/misc/vite {
+        };
+        xplanet = callPackage ../applications/science/astronomy/xplanet {
+        };
+        atari800 = callPackage ../misc/emulators/atari800 {
+        };
+        ataripp = callPackage ../misc/emulators/atari++ {
+        };
+        auctex = callPackage ../tools/typesetting/tex/auctex {
+        };
+        beep = callPackage ../misc/beep {
+        };
+        cups = callPackage ../misc/cups {
+          libusb = libusb1;
+        };
+        cups_pdf_filter = callPackage ../misc/cups/pdf-filter.nix {
+        };
+        gutenprint = callPackage ../misc/drivers/gutenprint {
+        };
+        gutenprintBin = callPackage ../misc/drivers/gutenprint/bin.nix {
+        };
+        cupsBjnp = callPackage ../misc/cups/drivers/cups-bjnp {
+        };
+        darcnes = callPackage ../misc/emulators/darcnes {
+        };
+        dbacl = callPackage ../tools/misc/dbacl {
+        };
+        dblatex = callPackage ../tools/typesetting/tex/dblatex {
+          enableAllFeatures = false;
+        };
+        dblatexFull = appendToName "full" (dblatex.override {
+          enableAllFeatures = true;
+        });
+        dosbox = callPackage ../misc/emulators/dosbox {
+        };
+        dpkg = callPackage ../tools/package-management/dpkg {
+        };
+        ekiga = newScope pkgs.gnome ../applications/networking/instant-messengers/ekiga {
+        };
+        emulationstation = callPackage ../misc/emulators/emulationstation {
+        };
+        electricsheep = callPackage ../misc/screensavers/electricsheep {
+        };
+        fakenes = callPackage ../misc/emulators/fakenes {
+        };
+        fceux = callPackage ../misc/emulators/fceux {
+        };
+        foldingathome = callPackage ../misc/foldingathome {
+        };
+        foo2zjs = callPackage ../misc/drivers/foo2zjs {
+        };
+        foomatic_filters = callPackage ../misc/drivers/foomatic-filters {
+        };
+        freestyle = callPackage ../misc/freestyle {
+        };
+        gajim = callPackage ../applications/networking/instant-messengers/gajim {
+        };
+        gammu = callPackage ../applications/misc/gammu {
+        };
+        gensgs = callPackage_i686 ../misc/emulators/gens-gs {
+        };
+        ghostscript = callPackage ../misc/ghostscript {
+          x11Support = false;
+          cupsSupport = config.ghostscript.cups or !stdenv.isDarwin;
+          gnuFork = config.ghostscript.gnu or false;
+        };
+        ghostscriptX = appendToName "with-X" (ghostscript.override {
+          x11Support = true;
+        });
+        guix = callPackage ../tools/package-management/guix {
+        };
+        gxemul = callPackage ../misc/gxemul {
+        };
+        hatari = callPackage ../misc/emulators/hatari {
+        };
+        hplip = callPackage ../misc/drivers/hplip {
+        };
+        hplipWithPlugin = hplip.override {
+          withPlugin = true;
+        };
+        jack1 = callPackage ../misc/jackaudio/jack1.nix {
+        };
+        jack2 = callPackage ../misc/jackaudio {
+        };
+        keynav = callPackage ../tools/X11/keynav {
+        };
+        lazylist = callPackage ../tools/typesetting/tex/lazylist {
+        };
+        lilypond = callPackage ../misc/lilypond {
+          guile = guile_1_8;
+        };
+        martyr = callPackage ../development/libraries/martyr {
+        };
+        maven = maven3;
+        maven3 = callPackage ../misc/maven {
+          jdk = openjdk;
+        };
+        mess = callPackage ../misc/emulators/mess {
+          inherit (pkgs.gnome) GConf;
+        };
+        mupen64plus = callPackage ../misc/emulators/mupen64plus {
+        };
+        mupen64plus1_5 = callPackage ../misc/emulators/mupen64plus/1.5.nix {
+        };
+        nix = nixStable;
+        nixStable = callPackage ../tools/package-management/nix {
+          storeDir = config.nix.storeDir or "/nix/store";
+          stateDir = config.nix.stateDir or "/nix/var";
+        };
+        nixUnstable = callPackage ../tools/package-management/nix/unstable.nix {
+          storeDir = config.nix.storeDir or "/nix/store";
+          stateDir = config.nix.stateDir or "/nix/var";
+        };
+        nixops = callPackage ../tools/package-management/nixops {
+        };
+        nix-prefetch-scripts = callPackage ../tools/package-management/nix-prefetch-scripts {
+        };
+        nix-repl = callPackage ../tools/package-management/nix-repl {
+        };
+        nut = callPackage ../applications/misc/nut {
+        };
+        solfege = callPackage ../misc/solfege {
+          pysqlite = pkgs.pythonPackages.sqlite3;
+        };
+        disnix = callPackage ../tools/package-management/disnix {
+        };
+        dysnomia = callPackage ../tools/package-management/disnix/dysnomia {
+          enableApacheWebApplication = config.disnix.enableApacheWebApplication or false;
+          enableAxis2WebService = config.disnix.enableAxis2WebService or false;
+          enableEjabberdDump = config.disnix.enableEjabberdDump or false;
+          enableMySQLDatabase = config.disnix.enableMySQLDatabase or false;
+          enablePostgreSQLDatabase = config.disnix.enablePostgreSQLDatabase or false;
+          enableSubversionRepository = config.disnix.enableSubversionRepository or false;
+          enableTomcatWebApplication = config.disnix.enableTomcatWebApplication or false;
+        };
+        disnixos = callPackage ../tools/package-management/disnix/disnixos {
+        };
+        DisnixWebService = callPackage ../tools/package-management/disnix/DisnixWebService {
+        };
+        latex2html = callPackage ../tools/typesetting/tex/latex2html/default.nix {
+          tex = tetex;
+        };
+        lkproof = callPackage ../tools/typesetting/tex/lkproof {
+        };
+        mysqlWorkbench = newScope gnome ../applications/misc/mysql-workbench {
+          lua = lua5;
+          inherit (pythonPackages) pexpect
+          paramiko;
+        };
+        robomongo = callPackage ../applications/misc/robomongo {
+        };
+        opkg = callPackage ../tools/package-management/opkg {
+        };
+        pgadmin = callPackage ../applications/misc/pgadmin {
+        };
+        pgf = pgf2;
+        pgf1 = callPackage ../tools/typesetting/tex/pgf/1.x.nix {
+        };
+        pgf2 = callPackage ../tools/typesetting/tex/pgf/2.x.nix {
+        };
+        pgfplots = callPackage ../tools/typesetting/tex/pgfplots {
+        };
+        pjsip = callPackage ../applications/networking/pjsip {
+        };
+        polytable = callPackage ../tools/typesetting/tex/polytable {
+        };
+        PPSSPP = callPackage ../misc/emulators/ppsspp {
+        };
+        uae = callPackage ../misc/emulators/uae {
+        };
+        putty = callPackage ../applications/networking/remote/putty {
+        };
+        retroarch = callPackage ../misc/emulators/retroarch {
+        };
+        rssglx = callPackage ../misc/screensavers/rss-glx {
+        };
+        xlockmore = callPackage ../misc/screensavers/xlockmore {
+        };
+        samsungUnifiedLinuxDriver = import ../misc/cups/drivers/samsung {
+          inherit fetchurl stdenv;
+          inherit cups ghostscript glibc
+          patchelf;
+          gcc = import ../development/compilers/gcc/4.4 {
+            inherit stdenv fetchurl gmp mpfr
+            noSysDirs gettext which;
+            texinfo = texinfo4;
+            profiledCompiler = true;
+          };
+        };
+        saneBackends = callPackage ../applications/graphics/sane/backends.nix {
+          gt68xxFirmware = config.sane.gt68xxFirmware or null;
+          snapscanFirmware = config.sane.snapscanFirmware or null;
+          hotplugSupport = config.sane.hotplugSupport or true;
+          libusb = libusb1;
+        };
+        saneBackendsGit = callPackage ../applications/graphics/sane/backends-git.nix {
+          gt68xxFirmware = config.sane.gt68xxFirmware or null;
+          snapscanFirmware = config.sane.snapscanFirmware or null;
+          hotplugSupport = config.sane.hotplugSupport or true;
+        };
+        mkSaneConfig = callPackage ../applications/graphics/sane/config.nix {
+        };
+        saneFrontends = callPackage ../applications/graphics/sane/frontends.nix {
+        };
+        seafile-shared = callPackage ../misc/seafile-shared {
+        };
+        slock = callPackage ../misc/screensavers/slock {
+        };
+        sourceAndTags = import ../misc/source-and-tags {
+          inherit pkgs stdenv unzip lib
+          ctags;
+          hasktags = haskellPackages.hasktags;
+        };
+        splix = callPackage ../misc/cups/drivers/splix {
+        };
+        streamripper = callPackage ../applications/audio/streamripper {
+        };
+        sqsh = callPackage ../development/tools/sqsh {
+        };
+        tetex = callPackage ../tools/typesetting/tex/tetex {
+          libpng = libpng12;
+        };
+        tex4ht = callPackage ../tools/typesetting/tex/tex4ht {
+        };
+        texFunctions = import ../tools/typesetting/tex/nix pkgs;
+        texLive = builderDefsPackage (import ../tools/typesetting/tex/texlive) {
+          inherit builderDefs zlib bzip2
+          ncurses libpng ed lesstif ruby
+          potrace gd t1lib freetype icu
+          perl expat curl xz pkgconfig
+          zziplib texinfo libjpeg bison
+          python fontconfig flex poppler
+          libpaper graphite2 makeWrapper;
+          inherit (xlibs) libXaw libX11
+          xproto libXt libXpm libXmu
+          libXext xextproto libSM libICE;
+          ghostscript = ghostscriptX;
+          harfbuzz = harfbuzz.override {
+            withIcu = true;
+            withGraphite2 = true;
+          };
+        };
+        texLiveFull = lib.setName "texlive-full" (texLiveAggregationFun {
+          paths = [
+            texLive
+            texLiveExtra
+            lmodern
+            texLiveCMSuper
+            texLiveLatexXColor
+            texLivePGF
+            texLiveBeamer
+            texLiveModerncv
+            tipa
+            tex4ht
+            texinfo
+            texLiveModerntimeline
+          ];
+        });
+        texLiveAggregationFun = params:
+        builderDefsPackage (import ../tools/typesetting/tex/texlive/aggregate.nix) ({
+          inherit poppler perl
+          makeWrapper;
+        } // params);
+        texDisser = callPackage ../tools/typesetting/tex/disser {
+        };
+        texLiveContext = builderDefsPackage (import ../tools/typesetting/tex/texlive/context.nix) {
+          inherit texLive;
+        };
+        texLiveExtra = builderDefsPackage (import ../tools/typesetting/tex/texlive/extra.nix) {
+          inherit texLive xz;
+        };
+        texLiveCMSuper = builderDefsPackage (import ../tools/typesetting/tex/texlive/cm-super.nix) {
+          inherit texLive;
+        };
+        texLiveLatexXColor = builderDefsPackage (import ../tools/typesetting/tex/texlive/xcolor.nix) {
+          inherit texLive;
+        };
+        texLivePGF = builderDefsPackage (import ../tools/typesetting/tex/texlive/pgf.nix) {
+          inherit texLiveLatexXColor
+          texLive;
+        };
+        texLiveBeamer = builderDefsPackage (import ../tools/typesetting/tex/texlive/beamer.nix) {
+          inherit texLiveLatexXColor
+          texLivePGF texLive;
+        };
+        texLiveModerncv = builderDefsPackage (import ../tools/typesetting/tex/texlive/moderncv.nix) {
+          inherit texLive unzip;
+        };
+        texLiveModerntimeline = builderDefsPackage (import ../tools/typesetting/tex/texlive/moderntimeline.nix) {
+          inherit texLive unzip;
+        };
+        thermald = callPackage ../tools/system/thermald {
+        };
+        thinkfan = callPackage ../tools/system/thinkfan {
+        };
+        vice = callPackage ../misc/emulators/vice {
+          libX11 = xlibs.libX11;
+          giflib = giflib_4_1;
+        };
+        viewnior = callPackage ../applications/graphics/viewnior {
+        };
+        vimPlugins = recurseIntoAttrs (callPackage ../misc/vim-plugins {
+        });
+        vimprobable2 = callPackage ../applications/networking/browsers/vimprobable2 {
+          webkit = webkitgtk2;
+        };
+        vimprobable2Wrapper = wrapFirefox {
+          browser = vimprobable2;
+          browserName = "vimprobable2";
+          desktopName = "Vimprobable2";
+        };
+        vimb = callPackage ../applications/networking/browsers/vimb {
+          webkit = webkitgtk2;
+        };
+        vimbWrapper = wrapFirefox {
+          browser = vimb;
+          browserName = "vimb";
+          desktopName = "Vimb";
+        };
+        VisualBoyAdvance = callPackage ../misc/emulators/VisualBoyAdvance {
+        };
+        wineStable = callPackage_i686 ../misc/emulators/wine/stable.nix {
+          bison = bison2;
+        };
+        wineUnstable = lowPrio (callPackage_i686 ../misc/emulators/wine/unstable.nix {
+          bison = bison2;
+        });
+        wine = wineStable;
+        winetricks = callPackage ../misc/emulators/wine/winetricks.nix {
+          inherit (gnome2) zenity;
+        };
+        wxmupen64plus = callPackage ../misc/emulators/wxmupen64plus {
+        };
+        x2x = callPackage ../tools/X11/x2x {
+        };
+        xboxdrv = callPackage ../misc/drivers/xboxdrv {
+        };
+        xinput_calibrator = callPackage ../tools/X11/xinput_calibrator {
+          inherit (xlibs) libXi
+          inputproto;
+        };
+        xosd = callPackage ../misc/xosd {
+        };
+        xsane = callPackage ../applications/graphics/sane/xsane.nix {
+          libpng = libpng12;
+          saneBackends = saneBackends;
+        };
+        yafc = callPackage ../applications/networking/yafc {
+        };
+        yandex-disk = callPackage ../tools/filesystems/yandex-disk {
+        };
+        myEnvFun = import ../misc/my-env {
+          inherit substituteAll pkgs;
+          inherit (stdenv) mkDerivation;
+        };
+        PatolineEnv = pack: myEnvFun {
+          name = "patoline";
+          buildInputs = [
+            stdenv
+            ncurses
+            mesa
+            freeglut
+            libzip
+            gcc
+            pack.ocaml
+            pack.findlib
+            pack.camomile
+            pack.dypgen
+            pack.ocaml_sqlite3
+            pack.camlzip
+            pack.lablgtk
+            pack.camlimages
+            pack.ocaml_cairo
+            pack.lablgl
+            pack.ocamlnet
+            pack.cryptokit
+            pack.ocaml_pcre
+            pack.patoline
+          ];
+          extraCmds = ''
+            LD_LIBRARY_PATH=\''$LD_LIBRARY_PATH:${gcc.gcc}/lib
+            export LD_LIBRARY_PATH
+          '';
+        };
+        patoline = PatolineEnv ocamlPackages_4_00_1;
+        znc = callPackage ../applications/networking/znc {
+        };
+        zncModules = recurseIntoAttrs (callPackage ../applications/networking/znc/modules.nix {
+        });
+        zsnes = callPackage_i686 ../misc/emulators/zsnes {
+        };
+        snes9x-gtk = callPackage ../misc/emulators/snes9x-gtk {
+        };
+        misc = import ../misc/misc.nix {
+          inherit pkgs stdenv;
+        };
+        bullet = callPackage ../development/libraries/bullet {
+        };
+        dart = callPackage ../development/interpreters/dart {
+        };
+        httrack = callPackage ../tools/backup/httrack {
+        };
+        mg = callPackage ../applications/editors/mg {
+        };
+        adobeReader = adobe-reader;
+        asciidocFull = asciidoc-full;
+        lttngTools = lttng-tools;
+        lttngUst = lttng-ust;
+      };
+      in self;
+    in pkgs
diff --git a/data/nixpkgs-all-packages.nix b/data/nixpkgs-all-packages.nix
new file mode 100644
index 0000000..a5fa04d
--- /dev/null
+++ b/data/nixpkgs-all-packages.nix
@@ -0,0 +1,11561 @@
+/* This file composes the Nix Packages collection.  That is, it
+   imports the functions that build the various packages, and calls
+   them with appropriate arguments.  The result is a set of all the
+   packages in the Nix Packages collection for some particular
+   platform. */
+
+
+{ # The system (e.g., `i686-linux') for which to build the packages.
+  system ? builtins.currentSystem
+
+, # The standard environment to use.  Only used for bootstrapping.  If
+  # null, the default standard environment is used.
+  bootStdenv ? null
+
+, # Non-GNU/Linux OSes are currently "impure" platforms, with their libc
+  # outside of the store.  Thus, GCC, GFortran, & co. must always look for
+  # files in standard system directories (/usr/include, etc.)
+  noSysDirs ? (system != "x86_64-darwin"
+               && system != "x86_64-freebsd" && system != "i686-freebsd"
+               && system != "x86_64-kfreebsd-gnu")
+
+  # More flags for the bootstrapping of stdenv.
+, gccWithCC ? true
+, gccWithProfiling ? true
+
+, # Allow a configuration attribute set to be passed in as an
+  # argument.  Otherwise, it's read from $NIXPKGS_CONFIG or
+  # ~/.nixpkgs/config.nix.
+  config ? null
+
+, crossSystem ? null
+, platform ? null
+}:
+
+
+let config_ = config; platform_ = platform; in # rename the function arguments
+
+let
+
+  lib = import ../../lib;
+
+  # The contents of the configuration file found at $NIXPKGS_CONFIG or
+  # $HOME/.nixpkgs/config.nix.
+  # for NIXOS (nixos-rebuild): use nixpkgs.config option
+  config =
+    let
+      toPath = builtins.toPath;
+      getEnv = x: if builtins ? getEnv then builtins.getEnv x else "";
+      pathExists = name:
+        builtins ? pathExists && builtins.pathExists (toPath name);
+
+      configFile = getEnv "NIXPKGS_CONFIG";
+      homeDir = getEnv "HOME";
+      configFile2 = homeDir + "/.nixpkgs/config.nix";
+
+      configExpr =
+        if config_ != null then config_
+        else if configFile != "" && pathExists configFile then import (toPath configFile)
+        else if homeDir != "" && pathExists configFile2 then import (toPath configFile2)
+        else {};
+
+    in
+      # allow both:
+      # { /* the config */ } and
+      # { pkgs, ... } : { /* the config */ }
+      if builtins.isFunction configExpr
+        then configExpr { inherit pkgs; }
+        else configExpr;
+
+  # Allow setting the platform in the config file. Otherwise, let's use a reasonable default (pc)
+
+  platformAuto = let
+      platforms = (import ./platforms.nix);
+    in
+      if system == "armv6l-linux" then platforms.raspberrypi
+      else if system == "armv5tel-linux" then platforms.sheevaplug
+      else if system == "mips64el-linux" then platforms.fuloong2f_n32
+      else if system == "x86_64-linux" then platforms.pc64
+      else if system == "i686-linux" then platforms.pc32
+      else platforms.pcBase;
+
+  platform = if platform_ != null then platform_
+    else config.platform or platformAuto;
+
+  # Helper functions that are exported through `pkgs'.
+  helperFunctions =
+    stdenvAdapters //
+    (import ../build-support/trivial-builders.nix { inherit (pkgs) stdenv; inherit (pkgs.xorg) lndir; });
+
+  stdenvAdapters =
+    import ../stdenv/adapters.nix pkgs;
+
+
+  # Allow packages to be overriden globally via the `packageOverrides'
+  # configuration option, which must be a function that takes `pkgs'
+  # as an argument and returns a set of new or overriden packages.
+  # The `packageOverrides' function is called with the *original*
+  # (un-overriden) set of packages, allowing packageOverrides
+  # attributes to refer to the original attributes (e.g. "foo =
+  # ... pkgs.foo ...").
+  pkgs = applyGlobalOverrides (config.packageOverrides or (pkgs: {}));
+
+
+  # Return the complete set of packages, after applying the overrides
+  # returned by the `overrider' function (see above).  Warning: this
+  # function is very expensive!
+  applyGlobalOverrides = overrider:
+    let
+      # Call the overrider function.  We don't want stdenv overrides
+      # in the case of cross-building, or otherwise the basic
+      # overrided packages will not be built with the crossStdenv
+      # adapter.
+      overrides = overrider pkgsOrig //
+        (lib.optionalAttrs (pkgsOrig.stdenv ? overrides && crossSystem == null) (pkgsOrig.stdenv.overrides pkgsOrig));
+
+      # The un-overriden packages, passed to `overrider'.
+      pkgsOrig = pkgsFun pkgs {};
+
+      # The overriden, final packages.
+      pkgs = pkgsFun pkgs overrides;
+    in pkgs;
+
+
+  # The package compositions.  Yes, this isn't properly indented.
+  pkgsFun = pkgs: overrides:
+    with helperFunctions;
+    let defaultScope = pkgs // pkgs.xorg; self = self_ // overrides;
+    self_ = with self; helperFunctions // {
+
+  # Make some arguments passed to all-packages.nix available
+  inherit system platform;
+
+  # Allow callPackage to fill in the pkgs argument
+  inherit pkgs;
+
+
+  # We use `callPackage' to be able to omit function arguments that
+  # can be obtained from `pkgs' or `pkgs.xorg' (i.e. `defaultScope').
+  # Use `newScope' for sets of packages in `pkgs' (see e.g. `gnome'
+  # below).
+  callPackage = newScope {};
+
+  newScope = extra: lib.callPackageWith (defaultScope // extra);
+
+
+  # Override system. This is useful to build i686 packages on x86_64-linux.
+  forceSystem = system: kernel: (import ./all-packages.nix) {
+    inherit system;
+    platform = platform // { kernelArch = kernel; };
+    inherit bootStdenv noSysDirs gccWithCC gccWithProfiling config
+      crossSystem;
+  };
+
+
+  # Used by wine, firefox with debugging version of Flash, ...
+  pkgsi686Linux = forceSystem "i686-linux" "i386";
+
+  callPackage_i686 = lib.callPackageWith (pkgsi686Linux // pkgsi686Linux.xorg);
+
+
+  # For convenience, allow callers to get the path to Nixpkgs.
+  path = ../..;
+
+
+  ### Symbolic names.
+
+  x11 = xlibsWrapper;
+
+  # `xlibs' is the set of X library components.  This used to be the
+  # old modular X llibraries project (called `xlibs') but now it's just
+  # the set of packages in the modular X.org tree (which also includes
+  # non-library components like the server, drivers, fonts, etc.).
+  xlibs = xorg // {xlibs = xlibsWrapper;};
+
+
+  ### Helper functions.
+
+  inherit lib config stdenvAdapters;
+
+  inherit (lib) lowPrio hiPrio appendToName makeOverridable;
+  inherit (misc) versionedDerivation;
+
+  # Applying this to an attribute set will cause nix-env to look
+  # inside the set for derivations.
+  recurseIntoAttrs = attrs: attrs // { recurseForDerivations = true; };
+
+  builderDefs = lib.composedArgsAndFun (import ../build-support/builder-defs/builder-defs.nix) {
+    inherit stringsWithDeps lib stdenv writeScript
+      fetchurl fetchmtn fetchgit;
+  };
+
+  builderDefsPackage = builderDefs.builderDefsPackage builderDefs;
+
+  stringsWithDeps = lib.stringsWithDeps;
+
+
+  ### Nixpkgs maintainer tools
+
+  nix-generate-from-cpan = callPackage ../../maintainers/scripts/nix-generate-from-cpan.nix { };
+
+  nixpkgs-lint = callPackage ../../maintainers/scripts/nixpkgs-lint.nix { };
+
+
+  ### STANDARD ENVIRONMENT
+
+
+  allStdenvs = import ../stdenv {
+    inherit system platform config;
+    allPackages = args: import ./all-packages.nix ({ inherit config system; } // args);
+  };
+
+  defaultStdenv = allStdenvs.stdenv // { inherit platform; };
+
+  stdenvCross = lowPrio (makeStdenvCross defaultStdenv crossSystem binutilsCross gccCrossStageFinal);
+
+  stdenv =
+    if bootStdenv != null then (bootStdenv // {inherit platform;}) else
+      if crossSystem != null then
+        stdenvCross
+      else
+        let
+            changer = config.replaceStdenv or null;
+        in if changer != null then
+          changer {
+            # We import again all-packages to avoid recursivities.
+            pkgs = import ./all-packages.nix {
+              # We remove packageOverrides to avoid recursivities
+              config = removeAttrs config [ "replaceStdenv" ];
+            };
+          }
+      else
+        defaultStdenv;
+
+  stdenvApple = stdenvAdapters.overrideGCC allStdenvs.stdenvNative gccApple;
+
+  forceNativeDrv = drv : if crossSystem == null then drv else
+    (drv // { crossDrv = drv.nativeDrv; });
+
+  # A stdenv capable of building 32-bit binaries.  On x86_64-linux,
+  # it uses GCC compiled with multilib support; on i686-linux, it's
+  # just the plain stdenv.
+  stdenv_32bit = lowPrio (
+    if system == "x86_64-linux" then
+      overrideGCC stdenv gcc48_multi
+    else
+      stdenv);
+
+
+  ### BUILD SUPPORT
+
+  attrSetToDir = arg: import ../build-support/upstream-updater/attrset-to-dir.nix {
+    inherit writeTextFile stdenv lib;
+    theAttrSet = arg;
+  };
+
+  autoreconfHook = makeSetupHook
+    { substitutions = { inherit autoconf automake libtool; }; }
+    ../build-support/setup-hooks/autoreconf.sh;
+
+  buildEnv = import ../build-support/buildenv {
+    inherit (pkgs) runCommand perl;
+  };
+
+  buildFHSChrootEnv = import ../build-support/build-fhs-chrootenv {
+    inherit stdenv glibc glibcLocales gcc coreutils diffutils findutils;
+    inherit gnused gnugrep gnutar gzip bzip2 bashInteractive xz shadow gawk;
+    inherit less buildEnv;
+  };
+
+  dotnetenv = import ../build-support/dotnetenv {
+    inherit stdenv;
+    dotnetfx = dotnetfx40;
+  };
+
+  scatterOutputHook = makeSetupHook {} ../build-support/setup-hooks/scatter_output.sh;
+
+  vsenv = callPackage ../build-support/vsenv {
+    vs = vs90wrapper;
+  };
+
+  fetchbower = import ../build-support/fetchbower {
+    inherit stdenv git;
+    inherit (nodePackages) fetch-bower;
+  };
+
+  fetchbzr = import ../build-support/fetchbzr {
+    inherit stdenv bazaar;
+  };
+
+  fetchcvs = import ../build-support/fetchcvs {
+    inherit stdenv cvs;
+  };
+
+  fetchdarcs = import ../build-support/fetchdarcs {
+    inherit stdenv darcs nix;
+  };
+
+  fetchgit = import ../build-support/fetchgit {
+    inherit stdenv git cacert;
+  };
+
+  fetchgitPrivate = import ../build-support/fetchgit/private.nix {
+    inherit fetchgit writeScript openssh stdenv;
+  };
+
+  fetchgitrevision = import ../build-support/fetchgitrevision runCommand git;
+
+  fetchmtn = callPackage ../build-support/fetchmtn (config.fetchmtn or {});
+
+  packer = callPackage ../development/tools/packer { };
+
+  fetchpatch = callPackage ../build-support/fetchpatch { };
+
+  fetchsvn = import ../build-support/fetchsvn {
+    inherit stdenv subversion openssh;
+    sshSupport = true;
+  };
+
+  fetchsvnrevision = import ../build-support/fetchsvnrevision runCommand subversion;
+
+  fetchsvnssh = import ../build-support/fetchsvnssh {
+    inherit stdenv subversion openssh expect;
+    sshSupport = true;
+  };
+
+  fetchhg = import ../build-support/fetchhg {
+    inherit stdenv mercurial nix;
+  };
+
+  # `fetchurl' downloads a file from the network.
+  fetchurl = import ../build-support/fetchurl {
+    inherit curl stdenv;
+  };
+
+  # A wrapper around fetchurl that generates miror://gnome URLs automatically
+  fetchurlGnome = callPackage ../build-support/fetchurl/gnome.nix { };
+
+  # fetchurlBoot is used for curl and its dependencies in order to
+  # prevent a cyclic dependency (curl depends on curl.tar.bz2,
+  # curl.tar.bz2 depends on fetchurl, fetchurl depends on curl).  It
+  # uses the curl from the previous bootstrap phase (e.g. a statically
+  # linked curl in the case of stdenv-linux).
+  fetchurlBoot = stdenv.fetchurlBoot;
+
+  fetchzip = import ../build-support/fetchzip { inherit lib fetchurl unzip; };
+
+  fetchFromGitHub = { owner, repo, rev, sha256 }: fetchzip {
+    name = "${repo}-${rev}-src";
+    url = "https://github.com/${owner}/${repo}/archive/${rev}.tar.gz";
+    inherit sha256;
+  };
+
+  resolveMirrorURLs = {url}: fetchurl {
+    showURLs = true;
+    inherit url;
+  };
+
+  libredirect = callPackage ../build-support/libredirect { };
+
+  makeDesktopItem = import ../build-support/make-desktopitem {
+    inherit stdenv;
+  };
+
+  makeAutostartItem = import ../build-support/make-startupitem {
+    inherit stdenv;
+    inherit lib;
+  };
+
+  makeInitrd = {contents, compressor ? "gzip -9"}:
+    import ../build-support/kernel/make-initrd.nix {
+      inherit stdenv perl perlArchiveCpio cpio contents ubootChooser compressor;
+    };
+
+  makeWrapper = makeSetupHook { } ../build-support/setup-hooks/make-wrapper.sh;
+
+  makeModulesClosure = { kernel, rootModules, allowMissing ? false }:
+    import ../build-support/kernel/modules-closure.nix {
+      inherit stdenv kmod kernel nukeReferences rootModules allowMissing;
+    };
+
+  pathsFromGraph = ../build-support/kernel/paths-from-graph.pl;
+
+  srcOnly = args: (import ../build-support/src-only) ({inherit stdenv; } // args);
+
+  substituteAll = import ../build-support/substitute/substitute-all.nix {
+    inherit stdenv;
+  };
+
+  replaceDependency = import ../build-support/replace-dependency.nix {
+    inherit runCommand nix lib;
+  };
+
+  nukeReferences = callPackage ../build-support/nuke-references/default.nix { };
+
+  vmTools = import ../build-support/vm/default.nix {
+    inherit pkgs;
+  };
+
+  releaseTools = import ../build-support/release/default.nix {
+    inherit pkgs;
+  };
+
+  composableDerivation = (import ../../lib/composable-derivation.nix) {
+    inherit pkgs lib;
+  };
+
+  platforms = import ./platforms.nix;
+
+  setJavaClassPath = makeSetupHook { } ../build-support/setup-hooks/set-java-classpath.sh;
+
+  fixDarwinDylibNames = makeSetupHook { } ../build-support/setup-hooks/fix-darwin-dylib-names.sh;
+
+  keepBuildTree = makeSetupHook { } ../build-support/setup-hooks/keep-build-tree.sh;
+
+  enableGCOVInstrumentation = makeSetupHook { } ../build-support/setup-hooks/enable-coverage-instrumentation.sh;
+
+  makeGCOVReport = makeSetupHook
+    { deps = [ pkgs.lcov pkgs.enableGCOVInstrumentation ]; }
+    ../build-support/setup-hooks/make-coverage-analysis-report.sh;
+
+
+  ### TOOLS
+
+  abduco = callPackage ../tools/misc/abduco { };
+
+  acct = callPackage ../tools/system/acct { };
+
+  acoustidFingerprinter = callPackage ../tools/audio/acoustid-fingerprinter {
+    ffmpeg = ffmpeg_1;
+  };
+
+  actdiag = pythonPackages.actdiag;
+
+  adom = callPackage ../games/adom { };
+
+  aefs = callPackage ../tools/filesystems/aefs { };
+
+  aegisub = callPackage ../applications/video/aegisub {
+    wxGTK = wxGTK30;
+    lua = lua5_1;
+  };
+
+  aespipe = callPackage ../tools/security/aespipe { };
+
+  aescrypt = callPackage ../tools/misc/aescrypt { };
+
+  ahcpd = callPackage ../tools/networking/ahcpd { };
+
+  aircrackng = callPackage ../tools/networking/aircrack-ng { };
+
+  analog = callPackage ../tools/admin/analog {};
+
+  apktool = callPackage ../development/tools/apktool {
+    buildTools = androidenv.buildTools;
+  };
+
+  apt-offline = callPackage ../tools/misc/apt-offline { };
+
+  archivemount = callPackage ../tools/filesystems/archivemount { };
+
+  arandr = callPackage ../tools/X11/arandr { };
+
+  arcanist = callPackage ../development/tools/misc/arcanist {};
+
+  arduino_core = callPackage ../development/arduino/arduino-core {
+    jdk = jdk;
+    jre = jdk;
+  };
+
+  argyllcms = callPackage ../tools/graphics/argyllcms {};
+
+  arp-scan = callPackage ../tools/misc/arp-scan { };
+
+  ascii = callPackage ../tools/text/ascii { };
+
+  asymptote = builderDefsPackage ../tools/graphics/asymptote {
+    inherit freeglut ghostscriptX imagemagick fftw boehmgc
+      mesa ncurses readline gsl libsigsegv python zlib perl
+      texinfo xz;
+    texLive = texLiveAggregationFun {
+      paths = [ texLive texLiveExtra texLiveCMSuper ];
+    };
+  };
+
+  awscli = callPackage ../tools/admin/awscli { };
+
+  ec2_api_tools = callPackage ../tools/virtualization/ec2-api-tools { };
+
+  ec2_ami_tools = callPackage ../tools/virtualization/ec2-ami-tools { };
+
+  altermime = callPackage ../tools/networking/altermime {};
+
+  amule = callPackage ../tools/networking/p2p/amule { };
+
+  amuleDaemon = appendToName "daemon" (amule.override {
+    monolithic = false;
+    daemon = true;
+  });
+
+  amuleGui = appendToName "gui" (amule.override {
+    monolithic = false;
+    client = true;
+  });
+
+  androidenv = import ../development/mobile/androidenv {
+    inherit pkgs;
+    pkgs_i686 = pkgsi686Linux;
+  };
+
+  apg = callPackage ../tools/security/apg { };
+
+  grc = callPackage ../tools/misc/grc { };
+
+  otool = callPackage ../os-specific/darwin/otool { };
+
+  pass = callPackage ../tools/security/pass {
+    gnupg = gnupg1compat;
+  };
+
+  setfile = callPackage ../os-specific/darwin/setfile { };
+
+  install_name_tool = callPackage ../os-specific/darwin/install_name_tool { };
+
+  xcodeenv = callPackage ../development/mobile/xcodeenv { };
+
+  titaniumenv = callPackage ../development/mobile/titaniumenv {
+    inherit pkgs;
+    pkgs_i686 = pkgsi686Linux;
+  };
+
+  inherit (androidenv) androidsdk_4_1;
+
+  aria2 = callPackage ../tools/networking/aria2 { };
+  aria = aria2;
+
+  at = callPackage ../tools/system/at { };
+
+  atftp = callPackage ../tools/networking/atftp {};
+
+  autogen = callPackage ../development/tools/misc/autogen { };
+
+  autojump = callPackage ../tools/misc/autojump { };
+
+  autorandr = callPackage ../tools/misc/autorandr {
+    inherit (xorg) xrandr xdpyinfo;
+  };
+
+  avahi = callPackage ../development/libraries/avahi {
+    qt4Support = config.avahi.qt4Support or false;
+  };
+
+  aws = callPackage ../tools/virtualization/aws { };
+
+  aws_mturk_clt = callPackage ../tools/misc/aws-mturk-clt { };
+
+  axel = callPackage ../tools/networking/axel { };
+
+  azureus = callPackage ../tools/networking/p2p/azureus { };
+
+  basex = callPackage ../tools/text/xml/basex { };
+
+  babeld = callPackage ../tools/networking/babeld { };
+
+  badvpn = callPackage ../tools/networking/badvpn {};
+
+  banner = callPackage ../games/banner {};
+
+  barcode = callPackage ../tools/graphics/barcode {};
+
+  bc = callPackage ../tools/misc/bc { };
+
+  bcache-tools = callPackage ../tools/filesystems/bcache-tools { };
+
+  bchunk = callPackage ../tools/cd-dvd/bchunk { };
+
+  bfr = callPackage ../tools/misc/bfr { };
+
+  bindfs = callPackage ../tools/filesystems/bindfs { };
+
+  bitbucket-cli = pythonPackages.bitbucket-cli;
+
+  blockdiag = pythonPackages.blockdiag;
+
+  bmon = callPackage ../tools/misc/bmon { };
+
+  bochs = callPackage ../applications/virtualization/bochs { wxSupport = false; };
+
+  boomerang = callPackage ../development/tools/boomerang { };
+
+  bootchart = callPackage ../tools/system/bootchart { };
+
+  bro = callPackage ../applications/networking/ids/bro { };
+
+  bsod = callPackage ../misc/emulators/bsod { };
+
+  btrfsProgs = callPackage ../tools/filesystems/btrfsprogs { };
+
+  bwm_ng = callPackage ../tools/networking/bwm-ng { };
+
+  byobu = callPackage ../tools/misc/byobu { };
+
+  capstone = callPackage ../development/libraries/capstone { };
+
+  catdoc = callPackage ../tools/text/catdoc { };
+
+  ccnet = callPackage ../tools/networking/ccnet { };
+
+  consul = callPackage ../servers/consul { };
+  consul_ui = callPackage ../servers/consul/ui.nix { };
+
+  chntpw = callPackage ../tools/security/chntpw { };
+
+  coprthr = callPackage ../development/libraries/coprthr {
+    flex = flex_2_5_35;
+  };
+
+  crawl = callPackage ../games/crawl { lua = lua5; };
+
+  cv = callPackage ../tools/misc/cv { };
+
+  direnv = callPackage ../tools/misc/direnv { };
+
+  ditaa = callPackage ../tools/graphics/ditaa { };
+
+  dlx = callPackage ../misc/emulators/dlx { };
+
+  eggdrop = callPackage ../tools/networking/eggdrop { };
+
+  enca = callPackage ../tools/text/enca { };
+
+  fasd = callPackage ../tools/misc/fasd {
+    inherit (haskellPackages) pandoc;
+  };
+
+  fop = callPackage ../tools/typesetting/fop { };
+
+  mcrl = callPackage ../tools/misc/mcrl { };
+
+  mcrl2 = callPackage ../tools/misc/mcrl2 { };
+
+  mpdcron = callPackage ../tools/audio/mpdcron { };
+
+  syslogng = callPackage ../tools/system/syslog-ng { };
+
+  syslogng_incubator = callPackage ../tools/system/syslog-ng-incubator { };
+
+  rsyslog = callPackage ../tools/system/rsyslog { };
+
+  mcrypt = callPackage ../tools/misc/mcrypt { };
+
+  mcelog = callPackage ../os-specific/linux/mcelog { };
+
+  apparix = callPackage ../tools/misc/apparix { };
+
+  appdata-tools = callPackage ../tools/misc/appdata-tools { };
+
+  asciidoc = callPackage ../tools/typesetting/asciidoc {
+    inherit (pythonPackages) matplotlib numpy aafigure recursivePthLoader;
+    enableStandardFeatures = false;
+  };
+
+  asciidoc-full = appendToName "full" (asciidoc.override {
+    inherit (pythonPackages) pygments;
+    enableStandardFeatures = true;
+  });
+
+  autossh = callPackage ../tools/networking/autossh { };
+
+  bacula = callPackage ../tools/backup/bacula { };
+
+  beanstalkd = callPackage ../servers/beanstalkd { };
+
+  bgs = callPackage ../tools/X11/bgs { };
+
+  biber = callPackage ../tools/typesetting/biber {
+    inherit (perlPackages)
+      autovivification BusinessISBN BusinessISMN BusinessISSN ConfigAutoConf
+      DataCompare DataDump DateSimple EncodeEUCJPASCII EncodeHanExtra EncodeJIS2K
+      ExtUtilsLibBuilder FileSlurp IPCRun3 Log4Perl LWPProtocolHttps ListAllUtils
+      ListMoreUtils ModuleBuild MozillaCA ReadonlyXS RegexpCommon TextBibTeX
+      UnicodeCollate UnicodeLineBreak URI XMLLibXMLSimple XMLLibXSLT XMLWriter;
+  };
+
+  bibtextools = callPackage ../tools/typesetting/bibtex-tools {
+    inherit (strategoPackages016) strategoxt sdf;
+  };
+
+  bittorrent = callPackage ../tools/networking/p2p/bittorrent {
+    gui = true;
+  };
+
+  bittornado = callPackage ../tools/networking/p2p/bit-tornado { };
+
+  blueman = callPackage ../tools/bluetooth/blueman {
+    inherit (pythonPackages) notify;
+  };
+
+  bmrsa = builderDefsPackage (import ../tools/security/bmrsa/11.nix) {
+    inherit unzip;
+  };
+
+  bogofilter = callPackage ../tools/misc/bogofilter { };
+
+  bsdiff = callPackage ../tools/compression/bsdiff { };
+
+  btar = callPackage ../tools/backup/btar { };
+
+  bud = callPackage ../tools/networking/bud {
+    inherit (pythonPackages) gyp;
+  };
+
+  bup = callPackage ../tools/backup/bup {
+    inherit (pythonPackages) pyxattr pylibacl setuptools fuse;
+    inherit (haskellPackages) pandoc;
+    par2Support = (config.bup.par2Support or false);
+  };
+
+  ori = callPackage ../tools/backup/ori { };
+
+  atool = callPackage ../tools/archivers/atool { };
+
+  bzip2 = callPackage ../tools/compression/bzip2 { };
+
+  cabextract = callPackage ../tools/archivers/cabextract { };
+
+  cadaver = callPackage ../tools/networking/cadaver { };
+
+  cantata = callPackage ../applications/audio/cantata { };
+
+  can-utils = callPackage ../os-specific/linux/can-utils { };
+
+  ccid = callPackage ../tools/security/ccid { };
+
+  ccrypt = callPackage ../tools/security/ccrypt { };
+
+  cdecl = callPackage ../development/tools/cdecl { };
+
+  cdrdao = callPackage ../tools/cd-dvd/cdrdao { };
+
+  cdrkit = callPackage ../tools/cd-dvd/cdrkit { };
+
+  ceph = callPackage ../tools/filesystems/ceph { };
+
+  cfdg = builderDefsPackage ../tools/graphics/cfdg {
+    inherit libpng bison flex ffmpeg;
+  };
+
+  checkinstall = callPackage ../tools/package-management/checkinstall { };
+
+  cheetahTemplate = builderDefsPackage (import ../tools/text/cheetah-template/2.0.1.nix) {
+    inherit makeWrapper python;
+  };
+
+  chkrootkit = callPackage ../tools/security/chkrootkit { };
+
+  chrony = callPackage ../tools/networking/chrony { };
+
+  chunkfs = callPackage ../tools/filesystems/chunkfs { };
+
+  chunksync = callPackage ../tools/backup/chunksync { };
+
+  cjdns = callPackage ../tools/networking/cjdns { };
+
+  cksfv = callPackage ../tools/networking/cksfv { };
+
+  clementine = callPackage ../applications/audio/clementine { };
+
+  ciopfs = callPackage ../tools/filesystems/ciopfs { };
+
+  colord = callPackage ../tools/misc/colord { };
+
+  colord-gtk = callPackage ../tools/misc/colord-gtk { };
+
+  colordiff = callPackage ../tools/text/colordiff { };
+
+  concurrencykit = callPackage ../development/libraries/concurrencykit { };
+
+  connect = callPackage ../tools/networking/connect { };
+
+  conspy = callPackage ../os-specific/linux/conspy {};
+
+  connman = callPackage ../tools/networking/connman { };
+
+  connmanui = callPackage ../tools/networking/connmanui { };
+
+  convertlit = callPackage ../tools/text/convertlit { };
+
+  collectd = callPackage ../tools/system/collectd { };
+
+  colormake = callPackage ../development/tools/build-managers/colormake { };
+
+  cowsay = callPackage ../tools/misc/cowsay { };
+
+  cpuminer = callPackage ../tools/misc/cpuminer { };
+
+  cuetools = callPackage ../tools/cd-dvd/cuetools { };
+
+  unifdef = callPackage ../development/tools/misc/unifdef { };
+
+  "unionfs-fuse" = callPackage ../tools/filesystems/unionfs-fuse { };
+
+  usb_modeswitch = callPackage ../development/tools/misc/usb-modeswitch { };
+
+  biosdevname = callPackage ../tools/networking/biosdevname { };
+
+  clamav = callPackage ../tools/security/clamav { };
+
+  cloc = callPackage ../tools/misc/cloc {
+    inherit (perlPackages) perl AlgorithmDiff RegexpCommon;
+  };
+
+  cloog = callPackage ../development/libraries/cloog { };
+
+  cloogppl = callPackage ../development/libraries/cloog-ppl { };
+
+  convmv = callPackage ../tools/misc/convmv { };
+
+  cool-old-term = callPackage ../applications/misc/cool-old-term { };
+
+  coreutils = callPackage ../tools/misc/coreutils
+    {
+      # TODO: Add ACL support for cross-Linux.
+      aclSupport = crossSystem == null && stdenv.isLinux;
+    };
+
+  cpio = callPackage ../tools/archivers/cpio { };
+
+  cromfs = callPackage ../tools/archivers/cromfs { };
+
+  cron = callPackage ../tools/system/cron { };
+
+  cudatoolkit5 = callPackage ../development/compilers/cudatoolkit/5.5.nix {
+    python = python26;
+  };
+
+  cudatoolkit6 = callPackage ../development/compilers/cudatoolkit/6.0.nix {
+    python = python26;
+  };
+
+  cudatoolkit = cudatoolkit5;
+
+  curl = callPackage ../tools/networking/curl rec {
+    fetchurl = fetchurlBoot;
+    zlibSupport = true;
+    sslSupport = zlibSupport;
+    scpSupport = zlibSupport && !stdenv.isSunOS && !stdenv.isCygwin;
+  };
+
+  curl3 = callPackage ../tools/networking/curl/7.15.nix rec {
+    zlibSupport = true;
+    sslSupport = zlibSupport;
+  };
+
+  cunit = callPackage ../tools/misc/cunit { };
+
+  curlftpfs = callPackage ../tools/filesystems/curlftpfs { };
+
+  cutter = callPackage ../tools/networking/cutter { };
+
+  dadadodo = builderDefsPackage (import ../tools/text/dadadodo) { };
+
+  daq = callPackage ../applications/networking/ids/daq { };
+
+  dar = callPackage ../tools/archivers/dar { };
+
+  davfs2 = callPackage ../tools/filesystems/davfs2 { };
+
+  dbench = callPackage ../development/tools/misc/dbench { };
+
+  dcraw = callPackage ../tools/graphics/dcraw { };
+
+  debian_devscripts = callPackage ../tools/misc/debian-devscripts {
+    inherit (perlPackages) CryptSSLeay LWP TimeDate DBFile FileDesktopEntry;
+  };
+
+  debootstrap = callPackage ../tools/misc/debootstrap { };
+
+  detox = callPackage ../tools/misc/detox { };
+
+  ddclient = callPackage ../tools/networking/ddclient { };
+
+  dd_rescue = callPackage ../tools/system/dd_rescue { };
+
+  ddrescue = callPackage ../tools/system/ddrescue { };
+
+  deluge = pythonPackages.deluge;
+
+  desktop_file_utils = callPackage ../tools/misc/desktop-file-utils { };
+
+  despotify = callPackage ../development/libraries/despotify { };
+
+  dev86 = callPackage ../development/compilers/dev86 { };
+
+  dnsmasq = callPackage ../tools/networking/dnsmasq { };
+
+  dnstop = callPackage ../tools/networking/dnstop { };
+
+  dhcp = callPackage ../tools/networking/dhcp { };
+
+  dhcpcd = callPackage ../tools/networking/dhcpcd { };
+
+  diffstat = callPackage ../tools/text/diffstat { };
+
+  diffutils = callPackage ../tools/text/diffutils { };
+
+  wgetpaste = callPackage ../tools/text/wgetpaste { };
+
+  dirmngr = callPackage ../tools/security/dirmngr { };
+
+  disper = callPackage ../tools/misc/disper { };
+
+  dmd = callPackage ../development/compilers/dmd { };
+
+  dmg2img = callPackage ../tools/misc/dmg2img { };
+
+  docbook2odf = callPackage ../tools/typesetting/docbook2odf {
+    inherit (perlPackages) PerlMagick;
+  };
+
+  docbook2x = callPackage ../tools/typesetting/docbook2x {
+    inherit (perlPackages) XMLSAX XMLParser XMLNamespaceSupport;
+  };
+
+  dosfstools = callPackage ../tools/filesystems/dosfstools { };
+
+  dotnetfx35 = callPackage ../development/libraries/dotnetfx35 { };
+
+  dotnetfx40 = callPackage ../development/libraries/dotnetfx40 { };
+
+  dropbear = callPackage ../tools/networking/dropbear { };
+
+  dtach = callPackage ../tools/misc/dtach { };
+
+  duo-unix = callPackage ../tools/security/duo-unix { };
+
+  duplicity = callPackage ../tools/backup/duplicity {
+    inherit (pythonPackages) boto lockfile;
+    gnupg = gnupg1;
+  };
+
+  duply = callPackage ../tools/backup/duply { };
+
+  dvdplusrwtools = callPackage ../tools/cd-dvd/dvd+rw-tools { };
+
+  dvgrab = callPackage ../tools/video/dvgrab { };
+
+  dvtm = callPackage ../tools/misc/dvtm { };
+
+  e2fsprogs = callPackage ../tools/filesystems/e2fsprogs { };
+
+  easyrsa = callPackage ../tools/networking/easyrsa { };
+
+  ebook_tools = callPackage ../tools/text/ebook-tools { };
+
+  ecryptfs = callPackage ../tools/security/ecryptfs { };
+
+  editres = callPackage ../tools/graphics/editres {
+    inherit (xlibs) libXt libXaw;
+    inherit (xorg) utilmacros;
+  };
+
+  edk2 = callPackage ../development/compilers/edk2 { };
+
+  efibootmgr = callPackage ../tools/system/efibootmgr { };
+
+  efivar = callPackage ../tools/system/efivar { };
+
+  evemu = callPackage ../tools/system/evemu { };
+
+  elasticsearch = callPackage ../servers/search/elasticsearch { };
+
+  elasticsearchPlugins = recurseIntoAttrs (
+    callPackage ../servers/search/elasticsearch/plugins.nix { }
+  );
+
+  emv = callPackage ../tools/misc/emv { };
+
+  enblendenfuse = callPackage ../tools/graphics/enblend-enfuse { };
+
+  encfs = callPackage ../tools/filesystems/encfs { };
+
+  enscript = callPackage ../tools/text/enscript { };
+
+  ethtool = callPackage ../tools/misc/ethtool { };
+
+  ettercap = callPackage ../applications/networking/sniffers/ettercap { };
+
+  euca2ools = callPackage ../tools/virtualization/euca2ools { pythonPackages = python26Packages; };
+
+  evtest = callPackage ../applications/misc/evtest { };
+
+  exempi = callPackage ../development/libraries/exempi { };
+
+  execline = callPackage ../tools/misc/execline { };
+
+  exercism = callPackage ../development/tools/exercism { };
+
+  exif = callPackage ../tools/graphics/exif { };
+
+  exiftags = callPackage ../tools/graphics/exiftags { };
+
+  extundelete = callPackage ../tools/filesystems/extundelete { };
+
+  expect = callPackage ../tools/misc/expect { };
+
+  f2fs-tools = callPackage ../tools/filesystems/f2fs-tools { };
+
+  fabric = pythonPackages.fabric;
+
+  fail2ban = callPackage ../tools/security/fail2ban {
+    systemd = systemd.override {
+      pythonSupport = true;
+    };
+  };
+
+  fakeroot = callPackage ../tools/system/fakeroot { };
+
+  fakechroot = callPackage ../tools/system/fakechroot { };
+
+  fcitx = callPackage ../tools/inputmethods/fcitx { };
+
+  fcron = callPackage ../tools/system/fcron { };
+
+  fdm = callPackage ../tools/networking/fdm {};
+
+  figlet = callPackage ../tools/misc/figlet { };
+
+  file = callPackage ../tools/misc/file { };
+
+  filegive = callPackage ../tools/networking/filegive { };
+
+  fileschanged = callPackage ../tools/misc/fileschanged { };
+
+  findutils = callPackage ../tools/misc/findutils { };
+
+  finger_bsd = callPackage ../tools/networking/bsd-finger { };
+
+  fio = callPackage ../tools/system/fio { };
+
+  flashtool = callPackage_i686 ../development/mobile/flashtool {
+    platformTools = androidenv.platformTools;
+  };
+
+  flpsed = callPackage ../applications/editors/flpsed { };
+
+  flvstreamer = callPackage ../tools/networking/flvstreamer { };
+
+  libbsd = callPackage ../development/libraries/libbsd { };
+
+  lprof = callPackage ../tools/graphics/lprof { };
+
+  fdk_aac = callPackage ../development/libraries/fdk-aac { };
+
+  flvtool2 = callPackage ../tools/video/flvtool2 { };
+
+  fontforge = lowPrio (callPackage ../tools/misc/fontforge { });
+
+  fontforgeX = callPackage ../tools/misc/fontforge {
+    withX11 = true;
+  };
+
+  forktty = callPackage ../os-specific/linux/forktty {};
+
+  fortune = callPackage ../tools/misc/fortune { };
+
+  fox = callPackage ../development/libraries/fox/default.nix {
+    libpng = libpng12;
+  };
+
+  fox_1_6 = callPackage ../development/libraries/fox/fox-1.6.nix { };
+
+  fping = callPackage ../tools/networking/fping {};
+
+  fprot = callPackage ../tools/security/fprot { };
+
+  freeipmi = callPackage ../tools/system/freeipmi {};
+
+  freetalk = callPackage ../applications/networking/instant-messengers/freetalk {
+    guile = guile_1_8;
+  };
+
+  freetds = callPackage ../development/libraries/freetds { };
+
+  ftgl = callPackage ../development/libraries/ftgl { };
+
+  ftgl212 = callPackage ../development/libraries/ftgl/2.1.2.nix { };
+
+  fuppes = callPackage ../tools/networking/fuppes {
+    ffmpeg = ffmpeg_0_6_90;
+  };
+
+  fsfs = callPackage ../tools/filesystems/fsfs { };
+
+  fuse_zip = callPackage ../tools/filesystems/fuse-zip { };
+
+  fuse_exfat = callPackage ../tools/filesystems/fuse-exfat { };
+
+  dos2unix = callPackage ../tools/text/dos2unix { };
+
+  uni2ascii = callPackage ../tools/text/uni2ascii { };
+
+  g500-control = callPackage ../tools/misc/g500-control { };
+
+  galculator = callPackage ../applications/misc/galculator {
+    gtk = gtk3;
+  };
+
+  gawk = callPackage ../tools/text/gawk { };
+
+  gawkInteractive = appendToName "interactive"
+    (gawk.override { readlineSupport = true; });
+
+  gbdfed = callPackage ../tools/misc/gbdfed {
+    gtk = gtk2;
+  };
+
+  gdmap = callPackage ../tools/system/gdmap { };
+
+  genext2fs = callPackage ../tools/filesystems/genext2fs { };
+
+  gengetopt = callPackage ../development/tools/misc/gengetopt { };
+
+  getmail = callPackage ../tools/networking/getmail { };
+
+  getopt = callPackage ../tools/misc/getopt { };
+
+  gftp = callPackage ../tools/networking/gftp { };
+
+  gifsicle = callPackage ../tools/graphics/gifsicle { };
+
+  glusterfs = callPackage ../tools/filesystems/glusterfs { };
+
+  glmark2 = callPackage ../tools/graphics/glmark2 { };
+
+  glxinfo = callPackage ../tools/graphics/glxinfo { };
+
+  gmvault = callPackage ../tools/networking/gmvault { };
+
+  gnokii = builderDefsPackage (import ../tools/misc/gnokii) {
+    inherit intltool perl gettext libusb pkgconfig bluez readline pcsclite
+      libical gtk glib;
+    inherit (xorg) libXpm;
+  };
+
+  gnufdisk = callPackage ../tools/system/fdisk {
+    guile = guile_1_8;
+  };
+
+  gnugrep = callPackage ../tools/text/gnugrep {
+    libiconv = libiconvOrNull;
+  };
+
+  gnulib = callPackage ../development/tools/gnulib { };
+
+  gnupatch = callPackage ../tools/text/gnupatch { };
+
+  gnupg1orig = callPackage ../tools/security/gnupg1 { };
+
+  gnupg1compat = callPackage ../tools/security/gnupg1compat { };
+
+  # use config.packageOverrides if you prefer original gnupg1
+  gnupg1 = gnupg1compat;
+
+  gnupg = callPackage ../tools/security/gnupg { libusb = libusb1; };
+
+  gnupg2_1 = lowPrio (callPackage ../tools/security/gnupg/git.nix {
+    libassuan = libassuan2_1;
+  });
+
+  gnuplot = callPackage ../tools/graphics/gnuplot { };
+
+  gnuplot_qt = gnuplot.override { withQt = true; };
+
+  # must have AquaTerm installed separately
+  gnuplot_aquaterm = gnuplot.override { aquaterm = true; };
+
+  gnused = callPackage ../tools/text/gnused { };
+
+  gnutar = callPackage ../tools/archivers/gnutar { };
+
+  gnuvd = callPackage ../tools/misc/gnuvd { };
+
+  goaccess = callPackage ../tools/misc/goaccess { };
+
+  googleAuthenticator = callPackage ../os-specific/linux/google-authenticator { };
+
+  gource = callPackage ../applications/version-management/gource {};
+
+  gpodder = callPackage ../applications/audio/gpodder { };
+
+  gptfdisk = callPackage ../tools/system/gptfdisk { };
+
+  grafana = callPackage ../development/tools/misc/grafana { };
+
+  grafx2 = callPackage ../applications/graphics/grafx2 {};
+
+  graphviz = callPackage ../tools/graphics/graphviz { };
+
+  /* Readded by Michael Raskin. There are programs in the wild
+   * that do want 2.0 but not 2.22. Please give a day's notice for
+   * objections before removal.
+   */
+  graphviz_2_0 = callPackage ../tools/graphics/graphviz/2.0.nix { };
+
+  grive = callPackage ../tools/filesystems/grive {
+    json_c = json-c-0-11; # won't configure with 0.12; others are vulnerable
+  };
+
+  groff = callPackage ../tools/text/groff {
+    ghostscript = null;
+  };
+
+  grub = callPackage_i686 ../tools/misc/grub {
+    buggyBiosCDSupport = config.grub.buggyBiosCDSupport or true;
+  };
+
+  grub2 = callPackage ../tools/misc/grub/2.0x.nix { libusb = libusb1; flex = flex_2_5_35; };
+
+  grub2_efi = grub2.override { EFIsupport = true; };
+
+  gssdp = callPackage ../development/libraries/gssdp {
+    inherit (gnome) libsoup;
+  };
+
+  gt5 = callPackage ../tools/system/gt5 { };
+
+  gtest = callPackage ../development/libraries/gtest {};
+
+  gtkdatabox = callPackage ../development/libraries/gtkdatabox {};
+
+  gtkgnutella = callPackage ../tools/networking/p2p/gtk-gnutella { };
+
+  gtkvnc = callPackage ../tools/admin/gtk-vnc {};
+
+  gtmess = callPackage ../applications/networking/instant-messengers/gtmess { };
+
+  gummiboot = callPackage ../tools/misc/gummiboot { };
+
+  gupnp = callPackage ../development/libraries/gupnp {
+    inherit (gnome) libsoup;
+  };
+
+  gupnp_av = callPackage ../development/libraries/gupnp-av {};
+
+  gupnp_igd = callPackage ../development/libraries/gupnp-igd {};
+
+  gupnptools = callPackage ../tools/networking/gupnp-tools {};
+
+  gvpe = builderDefsPackage ../tools/networking/gvpe {
+    inherit openssl gmp nettools iproute;
+  };
+
+  gvolicon = callPackage ../tools/audio/gvolicon {};
+
+  gzip = callPackage ../tools/compression/gzip { };
+
+  gzrt = callPackage ../tools/compression/gzrt { };
+
+  partclone = callPackage ../tools/backup/partclone { };
+
+  partimage = callPackage ../tools/backup/partimage { };
+
+  pigz = callPackage ../tools/compression/pigz { };
+
+  haproxy = callPackage ../tools/networking/haproxy { };
+
+  haveged = callPackage ../tools/security/haveged { };
+
+  hardlink = callPackage ../tools/system/hardlink { };
+
+  hashcat = callPackage ../tools/security/hashcat { };
+
+  halibut = callPackage ../tools/typesetting/halibut { };
+
+  hddtemp = callPackage ../tools/misc/hddtemp { };
+
+  hdf5 = callPackage ../tools/misc/hdf5 {
+    szip = null;
+  };
+
+  heimdall = callPackage ../tools/misc/heimdall { };
+
+  hevea = callPackage ../tools/typesetting/hevea { };
+
+  highlight = callPackage ../tools/text/highlight {
+    lua = lua5;
+  };
+
+  host = callPackage ../tools/networking/host { };
+
+  hping = callPackage ../tools/networking/hping { };
+
+  httpie = callPackage ../tools/networking/httpie { };
+
+  httpfs2 = callPackage ../tools/filesystems/httpfs { };
+
+  # FIXME: This Hydra snapshot is outdated and depends on the `nixPerl',
+  # which no longer exists.
+  #
+  # hydra = callPackage ../development/tools/misc/hydra {
+  #   nix = nixUnstable;
+  # };
+
+  iasl = callPackage ../development/compilers/iasl { };
+
+  icecast = callPackage ../servers/icecast { };
+
+  icoutils = callPackage ../tools/graphics/icoutils { };
+
+  idutils = callPackage ../tools/misc/idutils { };
+
+  idle3tools = callPackage ../tools/system/idle3tools { };
+
+  iftop = callPackage ../tools/networking/iftop { };
+
+  imapproxy = callPackage ../tools/networking/imapproxy { };
+
+  imapsync = callPackage ../tools/networking/imapsync {
+    inherit (perlPackages) MailIMAPClient;
+  };
+
+  inadyn = callPackage ../tools/networking/inadyn { };
+
+  inetutils = callPackage ../tools/networking/inetutils { };
+
+  ioping = callPackage ../tools/system/ioping {};
+
+  iodine = callPackage ../tools/networking/iodine { };
+
+  iperf = callPackage ../tools/networking/iperf { };
+
+  ipmitool = callPackage ../tools/system/ipmitool {
+    static = false;
+  };
+
+  ipmiutil = callPackage ../tools/system/ipmiutil {};
+
+  ised = callPackage ../tools/misc/ised {};
+
+  isl = callPackage ../development/libraries/isl { };
+  isl_0_12 = callPackage ../development/libraries/isl/0.12.2.nix { };
+
+  isync = callPackage ../tools/networking/isync { };
+
+  jd-gui = callPackage_i686 ../tools/security/jd-gui { };
+
+  jdiskreport = callPackage ../tools/misc/jdiskreport { };
+
+  jfsrec = callPackage ../tools/filesystems/jfsrec {
+    boost = boost144;
+  };
+
+  jfsutils = callPackage ../tools/filesystems/jfsutils { };
+
+  jhead = callPackage ../tools/graphics/jhead { };
+
+  jing = callPackage ../tools/text/xml/jing { };
+
+  jmtpfs = callPackage ../tools/filesystems/jmtpfs { };
+
+  jnettop = callPackage ../tools/networking/jnettop { };
+
+  jq = callPackage ../development/tools/jq {};
+
+  jscoverage = callPackage ../development/tools/misc/jscoverage { };
+
+  jwhois = callPackage ../tools/networking/jwhois { };
+
+  kazam = callPackage ../applications/video/kazam { };
+
+  kalibrate-rtl = callPackage ../tools/misc/kalibrate-rtl { };
+
+  kexectools = callPackage ../os-specific/linux/kexectools { };
+
+  keychain = callPackage ../tools/misc/keychain { };
+
+  kismet = callPackage ../applications/networking/sniffers/kismet { };
+
+  less = callPackage ../tools/misc/less { };
+
+  lockfileProgs = callPackage ../tools/misc/lockfile-progs { };
+
+  logstash = callPackage ../tools/misc/logstash { };
+
+  logstash-forwarder = callPackage ../tools/misc/logstash-forwarder { };
+
+  kippo = callPackage ../servers/kippo { };
+
+  klavaro = callPackage ../games/klavaro {};
+
+  kzipmix = callPackage_i686 ../tools/compression/kzipmix { };
+
+  minidlna = callPackage ../tools/networking/minidlna {
+    ffmpeg = ffmpeg_0_10;
+  };
+
+  mmv = callPackage ../tools/misc/mmv { };
+
+  most = callPackage ../tools/misc/most { };
+
+  multitail = callPackage ../tools/misc/multitail { };
+
+  netperf = callPackage ../applications/networking/netperf { };
+
+  ninka = callPackage ../development/tools/misc/ninka { };
+
+  nodejs = callPackage ../development/web/nodejs {};
+
+  nodePackages = recurseIntoAttrs (import ./node-packages.nix {
+    inherit pkgs stdenv nodejs fetchurl fetchgit;
+    neededNatives = [python] ++ lib.optional (lib.elem system lib.platforms.linux) utillinux;
+    self = pkgs.nodePackages;
+  });
+
+  ldapvi = callPackage ../tools/misc/ldapvi { };
+
+  ldns = callPackage ../development/libraries/ldns { };
+
+  lftp = callPackage ../tools/networking/lftp { };
+
+  libconfig = callPackage ../development/libraries/libconfig { };
+
+  libee = callPackage ../development/libraries/libee { };
+
+  libestr = callPackage ../development/libraries/libestr { };
+
+  libevdev = callPackage ../development/libraries/libevdev { };
+
+  liboauth = callPackage ../development/libraries/liboauth { };
+
+  libtirpc = callPackage ../development/libraries/ti-rpc { };
+
+  libshout = callPackage ../development/libraries/libshout { };
+
+  libqmi = callPackage ../development/libraries/libqmi { };
+
+  libmbim = callPackage ../development/libraries/libmbim { };
+
+  libtorrent = callPackage ../tools/networking/p2p/libtorrent { };
+
+  logcheck = callPackage ../tools/system/logcheck {
+    inherit (perlPackages) mimeConstruct;
+  };
+
+  logrotate = callPackage ../tools/system/logrotate { };
+
+  logstalgia = callPackage ../tools/graphics/logstalgia {};
+
+  lout = callPackage ../tools/typesetting/lout { };
+
+  lrzip = callPackage ../tools/compression/lrzip { };
+
+  # lsh installs `bin/nettle-lfib-stream' and so does Nettle.  Give the
+  # former a lower priority than Nettle.
+  lsh = lowPrio (callPackage ../tools/networking/lsh { });
+
+  lshw = callPackage ../tools/system/lshw { };
+
+  lxc = callPackage ../os-specific/linux/lxc { };
+
+  lzip = callPackage ../tools/compression/lzip { };
+
+  lzma = xz;
+
+  xz = callPackage ../tools/compression/xz { };
+
+  lzop = callPackage ../tools/compression/lzop { };
+
+  maildrop = callPackage ../tools/networking/maildrop { };
+
+  mailpile = callPackage ../applications/networking/mailreaders/mailpile { };
+
+  mailutils = callPackage ../tools/networking/mailutils {
+    guile = guile_1_8;
+  };
+
+  mairix = callPackage ../tools/text/mairix { };
+
+  makemkv = callPackage ../applications/video/makemkv { };
+
+  man = callPackage ../tools/misc/man { };
+
+  man_db = callPackage ../tools/misc/man-db { };
+
+  memtest86 = callPackage ../tools/misc/memtest86 { };
+
+  memtest86plus = callPackage ../tools/misc/memtest86+ { };
+
+  meo = callPackage ../tools/security/meo { };
+
+  mc = callPackage ../tools/misc/mc { };
+
+  mcabber = callPackage ../applications/networking/instant-messengers/mcabber { };
+
+  mcron = callPackage ../tools/system/mcron {
+    guile = guile_1_8;
+  };
+
+  mdbtools = callPackage ../tools/misc/mdbtools { };
+
+  mdbtools_git = callPackage ../tools/misc/mdbtools/git.nix {
+    inherit (gnome) scrollkeeper;
+  };
+
+  mednafen = callPackage ../misc/emulators/mednafen { };
+
+  mednafen-server = callPackage ../misc/emulators/mednafen/server.nix { };
+
+  megacli = callPackage ../tools/misc/megacli { };
+
+  megatools = callPackage ../tools/networking/megatools { };
+
+  mfcuk = callPackage ../tools/security/mfcuk { };
+
+  minecraft = callPackage ../games/minecraft { };
+
+  minecraft-server = callPackage ../games/minecraft-server { };
+
+  minetest = callPackage ../games/minetest {
+    libpng = libpng12;
+  };
+
+  miniupnpc = callPackage ../tools/networking/miniupnpc { };
+
+  miniupnpd = callPackage ../tools/networking/miniupnpd { };
+
+  minixml = callPackage ../development/libraries/minixml { };
+
+  mjpegtools = callPackage ../tools/video/mjpegtools { };
+
+  mkcue = callPackage ../tools/cd-dvd/mkcue { };
+
+  mkpasswd = callPackage ../tools/security/mkpasswd { };
+
+  mktemp = callPackage ../tools/security/mktemp { };
+
+  mktorrent = callPackage ../tools/misc/mktorrent { };
+
+  modemmanager = callPackage ../tools/networking/modemmanager {};
+
+  monit = callPackage ../tools/system/monit { };
+
+  mosh = callPackage ../tools/networking/mosh {
+    boost = boostHeaders;
+    inherit (perlPackages) IOTty;
+  };
+
+  mpage = callPackage ../tools/text/mpage { };
+
+  mr = callPackage ../applications/version-management/mr { };
+
+  mscgen = callPackage ../tools/graphics/mscgen { };
+
+  msf = builderDefsPackage (import ../tools/security/metasploit/3.1.nix) {
+    inherit ruby makeWrapper;
+  };
+
+  mssys = callPackage ../tools/misc/mssys { };
+
+  mtdutils = callPackage ../tools/filesystems/mtdutils { };
+
+  mtools = callPackage ../tools/filesystems/mtools { };
+
+  mtr = callPackage ../tools/networking/mtr {};
+
+  multitran = recurseIntoAttrs (let callPackage = newScope pkgs.multitran; in rec {
+    multitrandata = callPackage ../tools/text/multitran/data { };
+
+    libbtree = callPackage ../tools/text/multitran/libbtree { };
+
+    libmtsupport = callPackage ../tools/text/multitran/libmtsupport { };
+
+    libfacet = callPackage ../tools/text/multitran/libfacet { };
+
+    libmtquery = callPackage ../tools/text/multitran/libmtquery { };
+
+    mtutils = callPackage ../tools/text/multitran/mtutils { };
+  });
+
+  munge = callPackage ../tools/security/munge { };
+
+  muscleframework = callPackage ../tools/security/muscleframework { };
+
+  muscletool = callPackage ../tools/security/muscletool { };
+
+  mysql2pgsql = callPackage ../tools/misc/mysql2pgsql { };
+
+  namazu = callPackage ../tools/text/namazu { };
+
+  nbd = callPackage ../tools/networking/nbd { };
+
+  ndjbdns = callPackage ../tools/networking/ndjbdns { };
+
+  netatalk = callPackage ../tools/filesystems/netatalk { };
+
+  netcdf = callPackage ../development/libraries/netcdf { };
+
+  nc6 = callPackage ../tools/networking/nc6 { };
+
+  ncat = callPackage ../tools/networking/ncat { };
+
+  ncftp = callPackage ../tools/networking/ncftp { };
+
+  ncompress = callPackage ../tools/compression/ncompress { };
+
+  ndisc6 = callPackage ../tools/networking/ndisc6 { };
+
+  netboot = callPackage ../tools/networking/netboot {};
+
+  netcat = callPackage ../tools/networking/netcat { };
+
+  netcat-openbsd = callPackage ../tools/networking/netcat-openbsd { };
+
+  nethogs = callPackage ../tools/networking/nethogs { };
+
+  netkittftp = callPackage ../tools/networking/netkit/tftp { };
+
+  netpbm = callPackage ../tools/graphics/netpbm { };
+
+  netrw = callPackage ../tools/networking/netrw { };
+
+  netselect = callPackage ../tools/networking/netselect { };
+
+  networkmanager = callPackage ../tools/networking/network-manager { };
+
+  networkmanager_openvpn = callPackage ../tools/networking/network-manager/openvpn.nix { };
+
+  networkmanager_pptp = callPackage ../tools/networking/network-manager/pptp.nix { };
+
+  networkmanager_vpnc = callPackage ../tools/networking/network-manager/vpnc.nix { };
+
+  networkmanager_openconnect = callPackage ../tools/networking/network-manager/openconnect.nix { };
+
+  networkmanagerapplet = newScope gnome ../tools/networking/network-manager-applet { dconf = gnome3.dconf; };
+
+  newsbeuter = callPackage ../applications/networking/feedreaders/newsbeuter { };
+
+  newsbeuter-dev = callPackage ../applications/networking/feedreaders/newsbeuter/dev.nix { };
+
+  ngrep = callPackage ../tools/networking/ngrep { };
+
+  ngrok = callPackage ../tools/misc/ngrok { };
+
+  mpack = callPackage ../tools/networking/mpack { };
+
+  pa_applet = callPackage ../tools/audio/pa-applet { };
+
+  pnmixer = callPackage ../tools/audio/pnmixer { };
+
+  nifskope = callPackage ../tools/graphics/nifskope { };
+
+  nilfs_utils = callPackage ../tools/filesystems/nilfs-utils {};
+
+  nitrogen = callPackage ../tools/X11/nitrogen {};
+
+  nlopt = callPackage ../development/libraries/nlopt {};
+
+  npapi_sdk = callPackage ../development/libraries/npapi-sdk {};
+
+  npth = callPackage ../development/libraries/npth {};
+
+  nmap = callPackage ../tools/security/nmap { };
+
+  nmap_graphical = callPackage ../tools/security/nmap {
+    inherit (pythonPackages) pysqlite;
+    graphicalSupport = true;
+  };
+
+  notbit = callPackage ../applications/networking/notbit { };
+
+  nox = callPackage ../tools/package-management/nox {
+    pythonPackages = python3Packages;
+    nix = nixUnstable;
+  };
+
+  nss_pam_ldapd = callPackage ../tools/networking/nss-pam-ldapd {};
+
+  ntfs3g = callPackage ../tools/filesystems/ntfs-3g { };
+
+  # ntfsprogs are merged into ntfs-3g
+  ntfsprogs = pkgs.ntfs3g;
+
+  ntop = callPackage ../tools/networking/ntop { };
+
+  ntopng = callPackage ../tools/networking/ntopng { };
+
+  ntp = callPackage ../tools/networking/ntp { };
+
+  numdiff = callPackage ../tools/text/numdiff { };
+
+  nssmdns = callPackage ../tools/networking/nss-mdns { };
+
+  nwdiag = pythonPackages.nwdiag;
+
+  nylon = callPackage ../tools/networking/nylon { };
+
+  nzbget = callPackage ../tools/networking/nzbget { };
+
+  oathToolkit = callPackage ../tools/security/oath-toolkit { };
+
+  obex_data_server = callPackage ../tools/bluetooth/obex-data-server { };
+
+  obexd = callPackage ../tools/bluetooth/obexd { };
+
+  obexfs = callPackage ../tools/bluetooth/obexfs { };
+
+  obexftp = callPackage ../tools/bluetooth/obexftp { };
+
+  obnam = callPackage ../tools/backup/obnam { };
+
+  odt2txt = callPackage ../tools/text/odt2txt { };
+
+  offlineimap = callPackage ../tools/networking/offlineimap {
+    inherit (pythonPackages) sqlite3;
+  };
+
+  opendbx = callPackage ../development/libraries/opendbx { };
+
+  opendkim = callPackage ../development/libraries/opendkim { };
+
+  opendylan = callPackage ../development/compilers/opendylan {
+    opendylan-bootstrap = opendylan_bin;
+  };
+
+  opendylan_bin = callPackage ../development/compilers/opendylan/bin.nix { };
+
+  openjade = callPackage ../tools/text/sgml/openjade { };
+
+  openobex = callPackage ../tools/bluetooth/openobex { };
+
+  openopc = callPackage ../tools/misc/openopc {
+    pythonFull = python27Full.override {
+      extraLibs = [ python27Packages.pyro3 ];
+    };
+  };
+
+  openresolv = callPackage ../tools/networking/openresolv { };
+
+  opensc = callPackage ../tools/security/opensc { };
+
+  opensc_dnie_wrapper = callPackage ../tools/security/opensc-dnie-wrapper { };
+
+  openssh =
+    callPackage ../tools/networking/openssh {
+      hpnSupport = false;
+      withKerberos = false;
+      etcDir = "/etc/ssh";
+      pam = if stdenv.isLinux then pam else null;
+    };
+
+  openssh_hpn = pkgs.appendToName "with-hpn" (openssh.override { hpnSupport = true; });
+
+  openssh_with_kerberos = pkgs.appendToName "with-kerberos" (openssh.override { withKerberos = true; });
+
+  opensp = callPackage ../tools/text/sgml/opensp { };
+
+  spCompat = callPackage ../tools/text/sgml/opensp/compat.nix { };
+
+  openvpn = callPackage ../tools/networking/openvpn { };
+
+  openvpn_learnaddress = callPackage ../tools/networking/openvpn/openvpn_learnaddress.nix { };
+
+  optipng = callPackage ../tools/graphics/optipng {
+    libpng = libpng12;
+  };
+
+  oslrd = callPackage ../tools/networking/oslrd { };
+
+  ossec = callPackage ../tools/security/ossec {};
+
+  otpw = callPackage ../os-specific/linux/otpw { };
+
+  p7zip = callPackage ../tools/archivers/p7zip { };
+
+  pal = callPackage ../tools/misc/pal { };
+
+  panomatic = callPackage ../tools/graphics/panomatic { };
+
+  par2cmdline = callPackage ../tools/networking/par2cmdline { };
+
+  parallel = callPackage ../tools/misc/parallel { };
+
+  parcellite = callPackage ../tools/misc/parcellite { };
+
+  patchutils = callPackage ../tools/text/patchutils { };
+
+  parted = callPackage ../tools/misc/parted { hurd = null; };
+
+  pitivi = callPackage ../applications/video/pitivi {
+    gst = gst_all_1;
+    clutter-gtk = clutter_gtk;
+    inherit (gnome3) gnome_icon_theme gnome_icon_theme_symbolic;
+  };
+
+  p0f = callPackage ../tools/security/p0f { };
+
+  pngout = callPackage ../tools/graphics/pngout { };
+
+  hurdPartedCross =
+    if crossSystem != null && crossSystem.config == "i586-pc-gnu"
+    then (makeOverridable
+            ({ hurd }:
+              (parted.override {
+                # Needs the Hurd's libstore.
+                inherit hurd;
+
+                # The Hurd wants a libparted.a.
+                enableStatic = true;
+
+                gettext = null;
+                readline = null;
+                devicemapper = null;
+              }).crossDrv)
+           { hurd = gnu.hurdCrossIntermediate; })
+    else null;
+
+  ipsecTools = callPackage ../os-specific/linux/ipsec-tools { flex = flex_2_5_35; };
+
+  patch = gnupatch;
+
+  pbzip2 = callPackage ../tools/compression/pbzip2 { };
+
+  pciutils = callPackage ../tools/system/pciutils { };
+
+  pcsclite = callPackage ../tools/security/pcsclite { };
+
+  pdf2djvu = callPackage ../tools/typesetting/pdf2djvu { };
+
+  pdfjam = callPackage ../tools/typesetting/pdfjam { };
+
+  jbig2enc = callPackage ../tools/graphics/jbig2enc { };
+
+  pdfread = callPackage ../tools/graphics/pdfread { };
+
+  briss = callPackage ../tools/graphics/briss { };
+
+  bully = callPackage ../tools/networking/bully { };
+
+  pdnsd = callPackage ../tools/networking/pdnsd { };
+
+  peco = callPackage ../tools/text/peco { };
+
+  pg_top = callPackage ../tools/misc/pg_top { };
+
+  pdsh = callPackage ../tools/networking/pdsh {
+    rsh = true;          # enable internal rsh implementation
+    ssh = openssh;
+  };
+
+  pfstools = callPackage ../tools/graphics/pfstools { };
+
+  philter = callPackage ../tools/networking/philter { };
+
+  pinentry = callPackage ../tools/security/pinentry { };
+
+  pius = callPackage ../tools/security/pius { };
+
+  pk2cmd = callPackage ../tools/misc/pk2cmd { };
+
+  plantuml = callPackage ../tools/misc/plantuml { };
+
+  plan9port = callPackage ../tools/system/plan9port { };
+
+  ploticus = callPackage ../tools/graphics/ploticus {
+    libpng = libpng12;
+  };
+
+  plotutils = callPackage ../tools/graphics/plotutils { };
+
+  plowshare = callPackage ../tools/misc/plowshare { };
+
+  pngcrush = callPackage ../tools/graphics/pngcrush { };
+
+  pngnq = callPackage ../tools/graphics/pngnq { };
+
+  pngtoico = callPackage ../tools/graphics/pngtoico {
+    libpng = libpng12;
+  };
+
+  pngquant = callPackage ../tools/graphics/pngquant { };
+
+  podiff = callPackage ../tools/text/podiff { };
+
+  poedit = callPackage ../tools/text/poedit { };
+
+  polipo = callPackage ../servers/polipo { };
+
+  polkit_gnome = callPackage ../tools/security/polkit-gnome { };
+
+  ponysay = callPackage ../tools/misc/ponysay { };
+
+  povray = callPackage ../tools/graphics/povray { };
+
+  ppl = callPackage ../development/libraries/ppl { };
+
+  ppp = callPackage ../tools/networking/ppp { };
+
+  pptp = callPackage ../tools/networking/pptp {};
+
+  prey-bash-client = callPackage ../tools/security/prey { };
+
+  projectm = callPackage ../applications/audio/projectm { };
+
+  proxychains = callPackage ../tools/networking/proxychains { };
+
+  proxytunnel = callPackage ../tools/misc/proxytunnel { };
+
+  cntlm = callPackage ../tools/networking/cntlm { };
+
+  pastebinit = callPackage ../tools/misc/pastebinit { };
+
+  psmisc = callPackage ../os-specific/linux/psmisc { };
+
+  pstoedit = callPackage ../tools/graphics/pstoedit { };
+
+  pv = callPackage ../tools/misc/pv { };
+
+  pwgen = callPackage ../tools/security/pwgen { };
+
+  pwnat = callPackage ../tools/networking/pwnat { };
+
+  pycangjie = callPackage ../development/python-modules/pycangjie { };
+
+  pydb = callPackage ../development/tools/pydb { };
+
+  pystringtemplate = callPackage ../development/python-modules/stringtemplate { };
+
+  pythonDBus = dbus_python;
+
+  pythonIRClib = builderDefsPackage (import ../development/python-modules/irclib) {
+    inherit python;
+  };
+
+  pythonSexy = builderDefsPackage (import ../development/python-modules/libsexy) {
+    inherit python libsexy pkgconfig libxml2 pygtk pango gtk glib;
+  };
+
+  openmpi = callPackage ../development/libraries/openmpi { };
+
+  qhull = callPackage ../development/libraries/qhull { };
+
+  qjoypad = callPackage ../tools/misc/qjoypad { };
+
+  qshowdiff = callPackage ../tools/text/qshowdiff { };
+
+  quilt = callPackage ../development/tools/quilt { };
+
+  radvd = callPackage ../tools/networking/radvd { };
+
+  ranger = callPackage ../applications/misc/ranger { };
+
+  privateer = callPackage ../games/privateer { };
+
+  rtmpdump = callPackage ../tools/video/rtmpdump { };
+
+  reaverwps = callPackage ../tools/networking/reaver-wps {};
+
+  recutils = callPackage ../tools/misc/recutils { };
+
+  recoll = callPackage ../applications/search/recoll { };
+
+  reiser4progs = callPackage ../tools/filesystems/reiser4progs { };
+
+  reiserfsprogs = callPackage ../tools/filesystems/reiserfsprogs { };
+
+  relfs = callPackage ../tools/filesystems/relfs {
+    inherit (gnome) gnome_vfs GConf;
+  };
+
+  remarkjs = callPackage ../development/web/remarkjs { };
+
+  remind = callPackage ../tools/misc/remind { };
+
+  remmina = callPackage ../applications/networking/remote/remmina {};
+
+  renameutils = callPackage ../tools/misc/renameutils { };
+
+  replace = callPackage ../tools/text/replace { };
+
+  reptyr = callPackage ../os-specific/linux/reptyr {};
+
+  rdiff_backup = callPackage ../tools/backup/rdiff-backup { };
+
+  rdmd = callPackage ../development/compilers/rdmd { };
+
+  rhash = callPackage ../tools/security/rhash { };
+
+  riemann_c_client = callPackage ../tools/misc/riemann-c-client { };
+
+  ripmime = callPackage ../tools/networking/ripmime {};
+
+  rkflashtool = callPackage ../tools/misc/rkflashtool { };
+
+  rmlint = callPackage ../tools/misc/rmlint {};
+
+  rng_tools = callPackage ../tools/security/rng-tools { };
+
+  rsnapshot = callPackage ../tools/backup/rsnapshot {
+    # For the `logger' command, we can use either `utillinux' or
+    # GNU Inetutils.  The latter is more portable.
+    logger = inetutils;
+  };
+
+  rlwrap = callPackage ../tools/misc/rlwrap { };
+
+  rockbox_utility = callPackage ../tools/misc/rockbox-utility { };
+
+  rpPPPoE = builderDefsPackage (import ../tools/networking/rp-pppoe) {
+    inherit ppp;
+  };
+
+  rpm = callPackage ../tools/package-management/rpm { };
+
+  rrdtool = callPackage ../tools/misc/rrdtool { };
+
+  rtorrent = callPackage ../tools/networking/p2p/rtorrent { };
+
+  rubber = callPackage ../tools/typesetting/rubber { };
+
+  rxp = callPackage ../tools/text/xml/rxp { };
+
+  rzip = callPackage ../tools/compression/rzip { };
+
+  s3backer = callPackage ../tools/filesystems/s3backer { };
+
+  s3cmd = callPackage ../tools/networking/s3cmd { };
+
+  s3cmd_15_pre_81e3842f7a = lowPrio (callPackage ../tools/networking/s3cmd/git.nix { });
+
+  s3sync = callPackage ../tools/networking/s3sync {
+    ruby = ruby18;
+  };
+
+  sablotron = callPackage ../tools/text/xml/sablotron { };
+
+  safecopy = callPackage ../tools/system/safecopy { };
+
+  salut_a_toi = callPackage ../applications/networking/instant-messengers/salut-a-toi {};
+
+  samplicator = callPackage ../tools/networking/samplicator { };
+
+  screen = callPackage ../tools/misc/screen { };
+
+  scrot = callPackage ../tools/graphics/scrot { };
+
+  scrypt = callPackage ../tools/security/scrypt { };
+
+  sdcv = callPackage ../applications/misc/sdcv { };
+
+  sec = callPackage ../tools/admin/sec { };
+
+  seccure = callPackage ../tools/security/seccure { };
+
+  setserial = builderDefsPackage (import ../tools/system/setserial) {
+    inherit groff;
+  };
+
+  seqdiag = pythonPackages.seqdiag;
+
+  screenfetch = callPackage ../tools/misc/screenfetch { };
+
+  sg3_utils = callPackage ../tools/system/sg3_utils { };
+
+  sharutils = callPackage ../tools/archivers/sharutils { };
+
+  shotwell = callPackage ../applications/graphics/shotwell { };
+
+  shebangfix = callPackage ../tools/misc/shebangfix { };
+
+  shellinabox = callPackage ../servers/shellinabox { };
+
+  siege = callPackage ../tools/networking/siege {};
+
+  silc_client = callPackage ../applications/networking/instant-messengers/silc-client { };
+
+  silc_server = callPackage ../servers/silc-server { };
+
+  silver-searcher = callPackage ../tools/text/silver-searcher { };
+
+  simplescreenrecorder = callPackage ../applications/video/simplescreenrecorder { };
+
+  sleuthkit = callPackage ../tools/system/sleuthkit {};
+
+  slimrat = callPackage ../tools/networking/slimrat {
+    inherit (perlPackages) WWWMechanize LWP;
+  };
+
+  slsnif = callPackage ../tools/misc/slsnif { };
+
+  smartmontools = callPackage ../tools/system/smartmontools { };
+
+  smbldaptools = callPackage ../tools/networking/smbldaptools {
+    inherit (perlPackages) NetLDAP CryptSmbHash DigestSHA1;
+  };
+
+  smbnetfs = callPackage ../tools/filesystems/smbnetfs {};
+
+  snort = callPackage ../applications/networking/ids/snort { };
+
+  snx = callPackage_i686 ../tools/networking/snx {
+    inherit (pkgsi686Linux) pam gcc33;
+    inherit (pkgsi686Linux.xlibs) libX11;
+  };
+
+  solr = callPackage ../servers/search/solr { };
+
+  sparsehash = callPackage ../development/libraries/sparsehash { };
+
+  spiped = callPackage ../tools/networking/spiped { };
+
+  sproxy = haskellPackages.callPackage ../tools/networking/sproxy { };
+
+  sproxy-web = haskellPackages.callPackage ../tools/networking/sproxy-web { };
+
+  stardict = callPackage ../applications/misc/stardict/stardict.nix {
+    inherit (gnome) libgnomeui scrollkeeper;
+  };
+
+  storebrowse = callPackage ../tools/system/storebrowse { };
+
+  fusesmb = callPackage ../tools/filesystems/fusesmb { };
+
+  sl = callPackage ../tools/misc/sl { };
+
+  socat = callPackage ../tools/networking/socat { };
+
+  socat2pre = lowPrio (callPackage ../tools/networking/socat/2.x.nix { });
+
+  sourceHighlight = callPackage ../tools/text/source-highlight {
+    # Boost 1.54 causes the "test_regexranges" test to fail
+    boost = boost149;
+  };
+
+  spaceFM = callPackage ../applications/misc/spacefm { };
+
+  squashfsTools = callPackage ../tools/filesystems/squashfs { };
+
+  sshfsFuse = callPackage ../tools/filesystems/sshfs-fuse { };
+
+  sshuttle = callPackage ../tools/security/sshuttle { };
+
+  sudo = callPackage ../tools/security/sudo { };
+
+  suidChroot = builderDefsPackage (import ../tools/system/suid-chroot) { };
+
+  super = callPackage ../tools/security/super { };
+
+  ssdeep = callPackage ../tools/security/ssdeep { };
+
+  ssmtp = callPackage ../tools/networking/ssmtp {
+    tlsSupport = true;
+  };
+
+  ssss = callPackage ../tools/security/ssss { };
+
+  storeBackup = callPackage ../tools/backup/store-backup { };
+
+  stow = callPackage ../tools/misc/stow { };
+
+  stun = callPackage ../tools/networking/stun { };
+
+  stunnel = callPackage ../tools/networking/stunnel { };
+
+  su = shadow.su;
+
+  surfraw = callPackage ../tools/networking/surfraw { };
+
+  swec = callPackage ../tools/networking/swec {
+    inherit (perlPackages) LWP URI HTMLParser HTTPServerSimple Parent;
+  };
+
+  svnfs = callPackage ../tools/filesystems/svnfs { };
+
+  sysbench = callPackage ../development/tools/misc/sysbench {};
+
+  system_config_printer = callPackage ../tools/misc/system-config-printer {
+    libxml2 = libxml2Python;
+   };
+
+  sitecopy = callPackage ../tools/networking/sitecopy { };
+
+  stricat = callPackage ../tools/security/stricat { };
+
+  privoxy = callPackage ../tools/networking/privoxy { };
+
+  t1utils = callPackage ../tools/misc/t1utils { };
+
+  tarsnap = callPackage ../tools/backup/tarsnap { };
+
+  tcpcrypt = callPackage ../tools/security/tcpcrypt { };
+
+  tboot = callPackage ../tools/security/tboot { };
+
+  tcpdump = callPackage ../tools/networking/tcpdump { };
+
+  tcpflow = callPackage ../tools/networking/tcpflow { };
+
+  teamviewer = callPackage_i686 ../applications/networking/remote/teamviewer { };
+
+  # Work In Progress: it doesn't start unless running a daemon as root
+  teamviewer8 = lowPrio (callPackage_i686 ../applications/networking/remote/teamviewer/8.nix { });
+
+  telnet = callPackage ../tools/networking/telnet { };
+
+  texmacs = callPackage ../applications/editors/texmacs {
+    tex = texLive; /* tetex is also an option */
+    extraFonts = true;
+    guile = guile_1_8;
+  };
+
+  texmaker = callPackage ../applications/editors/texmaker { };
+
+  texstudio = callPackage ../applications/editors/texstudio { };
+
+  tiled-qt = callPackage ../applications/editors/tiled-qt { qt = qt4; };
+
+  tinc = callPackage ../tools/networking/tinc { };
+
+  tiny8086 = callPackage ../applications/virtualization/8086tiny { };
+
+  tmpwatch = callPackage ../tools/misc/tmpwatch  { };
+
+  tmux = callPackage ../tools/misc/tmux { };
+
+  tor = callPackage ../tools/security/tor { };
+
+  torbutton = callPackage ../tools/security/torbutton { };
+
+  torbrowser = callPackage ../tools/security/tor/torbrowser.nix { };
+
+  torsocks = callPackage ../tools/security/tor/torsocks.nix { };
+
+  tpm-quote-tools = callPackage ../tools/security/tpm-quote-tools { };
+
+  tpm-tools = callPackage ../tools/security/tpm-tools { };
+
+  trickle = callPackage ../tools/networking/trickle {};
+
+  trousers = callPackage ../tools/security/trousers { };
+
+  ttf2pt1 = callPackage ../tools/misc/ttf2pt1 { };
+
+  ttysnoop = callPackage ../os-specific/linux/ttysnoop {};
+
+  twitterBootstrap = callPackage ../development/web/twitter-bootstrap {};
+
+  txt2man = callPackage ../tools/misc/txt2man { };
+
+  ucl = callPackage ../development/libraries/ucl { };
+
+  ucspi-tcp = callPackage ../tools/networking/ucspi-tcp { };
+
+  udftools = callPackage ../tools/filesystems/udftools {};
+
+  udptunnel = callPackage ../tools/networking/udptunnel { };
+
+  ufraw = callPackage ../applications/graphics/ufraw { };
+
+  unetbootin = callPackage ../tools/cd-dvd/unetbootin { };
+
+  unfs3 = callPackage ../servers/unfs3 { };
+
+  unoconv = callPackage ../tools/text/unoconv { };
+
+  upx = callPackage ../tools/compression/upx { };
+
+  urlview = callPackage ../applications/misc/urlview {};
+
+  usbmuxd = callPackage ../tools/misc/usbmuxd {};
+
+  vacuum = callPackage ../applications/networking/instant-messengers/vacuum {};
+
+  volatility = callPackage ../tools/security/volatility { };
+
+  vidalia = callPackage ../tools/security/vidalia { };
+
+  vbetool = builderDefsPackage ../tools/system/vbetool {
+    inherit pciutils libx86 zlib;
+  };
+
+  vde2 = callPackage ../tools/networking/vde2 { };
+
+  vboot_reference = callPackage ../tools/system/vboot_reference { };
+
+  vcsh = callPackage ../applications/version-management/vcsh { };
+
+  verilog = callPackage ../applications/science/electronics/verilog {};
+
+  vfdecrypt = callPackage ../tools/misc/vfdecrypt { };
+
+  vifm = callPackage ../applications/misc/vifm { };
+
+  viking = callPackage ../applications/misc/viking {
+    inherit (gnome) scrollkeeper;
+  };
+
+  vnc2flv = callPackage ../tools/video/vnc2flv {};
+
+  vncrec = builderDefsPackage ../tools/video/vncrec {
+    inherit (xlibs) imake libX11 xproto gccmakedep libXt
+      libXmu libXaw libXext xextproto libSM libICE libXpm
+      libXp;
+  };
+
+  vobcopy = callPackage ../tools/cd-dvd/vobcopy { };
+
+  vobsub2srt = callPackage ../tools/cd-dvd/vobsub2srt { };
+
+  vorbisgain = callPackage ../tools/misc/vorbisgain { };
+
+  vpnc = callPackage ../tools/networking/vpnc { };
+
+  openconnect = callPackage ../tools/networking/openconnect.nix { };
+
+  vtun = callPackage ../tools/networking/vtun { };
+
+  wal_e = callPackage ../tools/backup/wal-e { };
+
+  watchman = callPackage ../development/tools/watchman { };
+
+  wbox = callPackage ../tools/networking/wbox {};
+
+  welkin = callPackage ../tools/graphics/welkin {};
+
+  testdisk = callPackage ../tools/misc/testdisk { };
+
+  htmlTidy = callPackage ../tools/text/html-tidy { };
+
+  html-xml-utils = callPackage ../tools/text/xml/html-xml-utils { };
+
+  tftp_hpa = callPackage ../tools/networking/tftp-hpa {};
+
+  tigervnc = callPackage ../tools/admin/tigervnc {
+    fontDirectories = [ xorg.fontadobe75dpi xorg.fontmiscmisc xorg.fontcursormisc
+      xorg.fontbhlucidatypewriter75dpi ];
+    inherit (xorg) xorgserver;
+    fltk = fltk13;
+  };
+
+  tightvnc = callPackage ../tools/admin/tightvnc {
+    fontDirectories = [ xorg.fontadobe75dpi xorg.fontmiscmisc xorg.fontcursormisc
+      xorg.fontbhlucidatypewriter75dpi ];
+  };
+
+  time = callPackage ../tools/misc/time { };
+
+  tkabber = callPackage ../applications/networking/instant-messengers/tkabber { };
+
+  qfsm = callPackage ../applications/science/electronics/qfsm { };
+
+  tkgate = callPackage ../applications/science/electronics/tkgate/1.x.nix {
+    inherit (xlibs) libX11 imake xproto gccmakedep;
+  };
+
+  # The newer package is low-priority because it segfaults at startup.
+  tkgate2 = lowPrio (callPackage ../applications/science/electronics/tkgate/2.x.nix {
+    inherit (xlibs) libX11;
+  });
+
+  tm = callPackage ../tools/system/tm { };
+
+  trang = callPackage ../tools/text/xml/trang { };
+
+  tre = callPackage ../development/libraries/tre { };
+
+  ts = callPackage ../tools/system/ts { };
+
+  transfig = callPackage ../tools/graphics/transfig {
+    libpng = libpng12;
+  };
+
+  truecrypt = callPackage ../applications/misc/truecrypt {
+    wxGUI = config.truecrypt.wxGUI or true;
+  };
+
+  ttmkfdir = callPackage ../tools/misc/ttmkfdir { };
+
+  unclutter = callPackage ../tools/misc/unclutter { };
+
+  unbound = callPackage ../tools/networking/unbound { };
+
+  units = callPackage ../tools/misc/units { };
+
+  unrar = callPackage ../tools/archivers/unrar { };
+
+  xarchive = callPackage ../tools/archivers/xarchive { };
+
+  xarchiver = callPackage ../tools/archivers/xarchiver { };
+
+  xcruiser = callPackage ../applications/misc/xcruiser { };
+
+  unarj = callPackage ../tools/archivers/unarj { };
+
+  unshield = callPackage ../tools/archivers/unshield { };
+
+  unzip = callPackage ../tools/archivers/unzip { };
+
+  unzipNLS = lowPrio (unzip.override { enableNLS = true; });
+
+  uptimed = callPackage ../tools/system/uptimed { };
+
+  varnish = callPackage ../servers/varnish { };
+
+  varnish2 = callPackage ../servers/varnish/2.1.nix { };
+
+  venus = callPackage ../tools/misc/venus {
+    python = python27;
+  };
+
+  vlan = callPackage ../tools/networking/vlan { };
+
+  wakelan = callPackage ../tools/networking/wakelan { };
+
+  wavemon = callPackage ../tools/networking/wavemon { };
+
+  w3cCSSValidator = callPackage ../tools/misc/w3c-css-validator {
+    tomcat = tomcat6;
+  };
+
+  wdfs = callPackage ../tools/filesystems/wdfs { };
+
+  wdiff = callPackage ../tools/text/wdiff { };
+
+  webalizer = callPackage ../tools/networking/webalizer { };
+
+  webdruid = builderDefsPackage ../tools/admin/webdruid {
+    inherit zlib libpng freetype gd which
+      libxml2 geoip;
+  };
+
+  weighttp = callPackage ../tools/networking/weighttp { };
+
+  wget = callPackage ../tools/networking/wget {
+    inherit (perlPackages) LWP;
+  };
+
+  which = callPackage ../tools/system/which { };
+
+  wicd = callPackage ../tools/networking/wicd { };
+
+  wkhtmltopdf = callPackage ../tools/graphics/wkhtmltopdf { };
+
+  wv = callPackage ../tools/misc/wv { };
+
+  wv2 = callPackage ../tools/misc/wv2 { };
+
+  x86info = callPackage ../os-specific/linux/x86info { };
+
+  x11_ssh_askpass = callPackage ../tools/networking/x11-ssh-askpass { };
+
+  xbursttools = assert stdenv ? glibc; import ../tools/misc/xburst-tools {
+    inherit stdenv fetchgit autoconf automake confuse pkgconfig libusb libusb1;
+    # It needs a cross compiler for mipsel to build the firmware it will
+    # load into the Ben Nanonote
+    gccCross =
+      let
+        pkgsCross = (import ./all-packages.nix) {
+          inherit system;
+          inherit bootStdenv noSysDirs gccWithCC gccWithProfiling config;
+          # Ben Nanonote system
+          crossSystem = {
+            config = "mipsel-unknown-linux";
+            bigEndian = true;
+            arch = "mips";
+            float = "soft";
+            withTLS = true;
+            libc = "uclibc";
+            platform = {
+              name = "ben_nanonote";
+              kernelMajor = "2.6";
+              # It's not a bcm47xx processor, but for the headers this should work
+              kernelHeadersBaseConfig = "bcm47xx_defconfig";
+              kernelArch = "mips";
+            };
+            gcc = {
+              arch = "mips32";
+            };
+          };
+        };
+      in
+        pkgsCross.gccCrossStageStatic;
+  };
+
+  xclip = callPackage ../tools/misc/xclip { };
+
+  xtitle = callPackage ../tools/misc/xtitle { };
+
+  xdelta = callPackage ../tools/compression/xdelta { };
+
+  xdummy = callPackage ../tools/misc/xdummy { };
+
+  xfsprogs = callPackage ../tools/filesystems/xfsprogs { };
+
+  xmlroff = callPackage ../tools/typesetting/xmlroff {
+    inherit (gnome) libgnomeprint;
+  };
+
+  xmlstarlet = callPackage ../tools/text/xml/xmlstarlet { };
+
+  xmlto = callPackage ../tools/typesetting/xmlto { };
+
+  xmltv = callPackage ../tools/misc/xmltv { };
+
+  xmpppy = builderDefsPackage (import ../development/python-modules/xmpppy) {
+    inherit python setuptools;
+  };
+
+  xorriso = callPackage ../tools/cd-dvd/xorriso { };
+
+  xpf = callPackage ../tools/text/xml/xpf {
+    libxml2 = libxml2Python;
+  };
+
+  xsel = callPackage ../tools/misc/xsel { };
+
+  xtreemfs = callPackage ../tools/filesystems/xtreemfs {};
+
+  xvfb_run = callPackage ../tools/misc/xvfb-run { inherit (texFunctions) fontsConf; };
+
+  youtubeDL = callPackage ../tools/misc/youtube-dl { };
+
+  zbar = callPackage ../tools/graphics/zbar {
+    pygtk = lib.overrideDerivation pygtk (x: {
+      gtk = gtk2;
+    });
+  };
+
+  zdelta = callPackage ../tools/compression/zdelta { };
+
+  zfstools = callPackage ../tools/filesystems/zfstools {
+    zfs = linuxPackages.zfs;
+  };
+
+  zile = callPackage ../applications/editors/zile { };
+
+  zip = callPackage ../tools/archivers/zip { };
+
+  zpaq = callPackage ../tools/archivers/zpaq { };
+  zpaqd = callPackage ../tools/archivers/zpaq/zpaqd.nix { };
+
+  zsync = callPackage ../tools/compression/zsync { };
+
+
+  ### SHELLS
+
+  bash = lowPrio (callPackage ../shells/bash {
+    texinfo = null;
+  });
+
+  bashInteractive = appendToName "interactive" (callPackage ../shells/bash {
+    interactive = true;
+    readline = readline63; # Includes many vi mode fixes
+  });
+
+  bashCompletion = callPackage ../shells/bash-completion { };
+
+  dash = callPackage ../shells/dash { };
+
+  fish = callPackage ../shells/fish {
+    python = python27Full;
+  };
+
+  tcsh = callPackage ../shells/tcsh { };
+
+  rush = callPackage ../shells/rush { };
+
+  zsh = callPackage ../shells/zsh { };
+
+
+  ### DEVELOPMENT / COMPILERS
+
+  abc =
+    abcPatchable [];
+
+  abcPatchable = patches :
+    import ../development/compilers/abc/default.nix {
+      inherit stdenv fetchurl patches jre apacheAnt;
+      javaCup = callPackage ../development/libraries/java/cup { };
+    };
+
+  aldor = callPackage ../development/compilers/aldor { };
+
+  aliceml = callPackage ../development/compilers/aliceml { };
+
+  aspectj = callPackage ../development/compilers/aspectj { };
+
+  ats = callPackage ../development/compilers/ats { };
+  ats2 = callPackage ../development/compilers/ats2 { };
+
+  avra = callPackage ../development/compilers/avra { };
+
+  bigloo = callPackage ../development/compilers/bigloo { };
+
+  chicken = callPackage ../development/compilers/chicken { };
+
+  ccl = builderDefsPackage ../development/compilers/ccl {};
+
+  clang = wrapClang llvmPackages.clang;
+
+  clang_34 = wrapClang llvmPackages_34.clang;
+  clang_33 = wrapClang (clangUnwrapped llvm_33 ../development/compilers/llvm/3.3/clang.nix);
+
+  clangAnalyzer = callPackage ../development/tools/analysis/clang-analyzer {
+    clang = clang_34;
+    llvmPackages = llvmPackages_34;
+  };
+
+  clangUnwrapped = llvm: pkg: callPackage pkg {
+    stdenv = if stdenv.isDarwin then stdenvApple else stdenv;
+    inherit llvm;
+  };
+
+  clangSelf = clangWrapSelf llvmPackagesSelf.clang;
+
+  clangWrapSelf = build: (import ../build-support/clang-wrapper) {
+    clang = build;
+    stdenv = clangStdenv;
+    libc = glibc;
+    binutils = binutils;
+    shell = bash;
+    inherit libcxx coreutils zlib;
+    nativeTools = false;
+    nativeLibc = false;
+  };
+
+  #Use this instead of stdenv to build with clang
+  clangStdenv = lowPrio (stdenvAdapters.overrideGCC stdenv clang);
+  libcxxStdenv = stdenvAdapters.overrideGCC stdenv (clangWrapSelf llvmPackages.clang);
+
+  clean = callPackage ../development/compilers/clean { };
+
+  closurecompiler = callPackage ../development/compilers/closure { };
+
+  cmucl_binary = callPackage ../development/compilers/cmucl/binary.nix { };
+
+  compcert = callPackage ../development/compilers/compcert {};
+
+  cryptol1 = lowPrio (callPackage ../development/compilers/cryptol/1.8.x.nix {});
+  cryptol2 = with haskellPackages_ghc763; callPackage ../development/compilers/cryptol/2.0.x.nix {
+    Cabal = Cabal_1_18_1_3;
+    cabalInstall = cabalInstall_1_18_0_3;
+    process = process_1_2_0_0;
+  };
+
+  cython = pythonPackages.cython;
+  cython3 = python3Packages.cython;
+
+  dylan = callPackage ../development/compilers/gwydion-dylan {
+    dylan = callPackage ../development/compilers/gwydion-dylan/binary.nix {  };
+  };
+
+  ecl = callPackage ../development/compilers/ecl { };
+
+  eql = callPackage ../development/compilers/eql {};
+
+  adobe_flex_sdk = callPackage ../development/compilers/adobe-flex-sdk { };
+
+  fpc = callPackage ../development/compilers/fpc { };
+  fpc_2_4_0 = callPackage ../development/compilers/fpc/2.4.0.nix { };
+
+  gambit = callPackage ../development/compilers/gambit { };
+
+  gcc = gcc48;
+
+  gcc33 = wrapGCC (import ../development/compilers/gcc/3.3 {
+    inherit fetchurl stdenv noSysDirs;
+  });
+
+  gcc34 = wrapGCC (import ../development/compilers/gcc/3.4 {
+    inherit fetchurl stdenv noSysDirs;
+  });
+
+  gcc48_realCross = lib.addMetaAttrs { hydraPlatforms = []; }
+    (callPackage ../development/compilers/gcc/4.8 {
+      inherit noSysDirs;
+      binutilsCross = binutilsCross;
+      libcCross = libcCross;
+      profiledCompiler = false;
+      enableMultilib = false;
+      crossStageStatic = false;
+      cross = assert crossSystem != null; crossSystem;
+    });
+
+  gcc_realCross = gcc48_realCross;
+
+  gccCrossStageStatic = let
+      libcCross1 =
+        if stdenv.cross.libc == "msvcrt" then windows.mingw_w64_headers
+        else if stdenv.cross.libc == "libSystem" then darwin.xcode
+        else null;
+    in
+      wrapGCCCross {
+      gcc = forceNativeDrv (lib.addMetaAttrs { hydraPlatforms = []; } (
+        gcc_realCross.override {
+          crossStageStatic = true;
+          langCC = false;
+          libcCross = libcCross1;
+          enableShared = false;
+        }));
+      libc = libcCross1;
+      binutils = binutilsCross;
+      cross = assert crossSystem != null; crossSystem;
+  };
+
+  # Only needed for mingw builds
+  gccCrossMingw2 = wrapGCCCross {
+    gcc = gccCrossStageStatic.gcc;
+    libc = windows.mingw_headers2;
+    binutils = binutilsCross;
+    cross = assert crossSystem != null; crossSystem;
+  };
+
+  gccCrossStageFinal = wrapGCCCross {
+    gcc = forceNativeDrv (gcc_realCross.override {
+      libpthreadCross =
+        # FIXME: Don't explicitly refer to `i586-pc-gnu'.
+        if crossSystem != null && crossSystem.config == "i586-pc-gnu"
+        then gnu.libpthreadCross
+        else null;
+
+      # XXX: We have troubles cross-compiling libstdc++ on MinGW (see
+      # <http://hydra.nixos.org/build/4268232>), so don't even try.
+      langCC = (crossSystem == null
+                || crossSystem.config != "i686-pc-mingw32");
+     });
+    libc = libcCross;
+    binutils = binutilsCross;
+    cross = assert crossSystem != null; crossSystem;
+  };
+
+  gcc44 = lowPrio (wrapGCC (makeOverridable (import ../development/compilers/gcc/4.4) {
+    inherit fetchurl stdenv gmp mpfr /* ppl cloogppl */
+      gettext which noSysDirs;
+    texinfo = texinfo4;
+    profiledCompiler = true;
+  }));
+
+  gcc45 = lowPrio (wrapGCC (callPackage ../development/compilers/gcc/4.5 {
+    inherit fetchurl stdenv gmp mpfr mpc libelf zlib perl
+      gettext which noSysDirs;
+    texinfo = texinfo4;
+
+    ppl = null;
+    cloogppl = null;
+
+    # bootstrapping a profiled compiler does not work in the sheevaplug:
+    # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43944
+    profiledCompiler = !stdenv.isArm;
+
+    # When building `gcc.crossDrv' (a "Canadian cross", with host == target
+    # and host != build), `cross' must be null but the cross-libc must still
+    # be passed.
+    cross = null;
+    libcCross = if crossSystem != null then libcCross else null;
+    libpthreadCross =
+      if crossSystem != null && crossSystem.config == "i586-pc-gnu"
+      then gnu.libpthreadCross
+      else null;
+  }));
+
+  gcc46 = lowPrio (wrapGCC (callPackage ../development/compilers/gcc/4.6 {
+    inherit noSysDirs;
+
+    ppl = null;
+    cloog = null;
+
+    # bootstrapping a profiled compiler does not work in the sheevaplug:
+    # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43944
+    profiledCompiler = false;
+
+    # When building `gcc.crossDrv' (a "Canadian cross", with host == target
+    # and host != build), `cross' must be null but the cross-libc must still
+    # be passed.
+    cross = null;
+    libcCross = if crossSystem != null then libcCross else null;
+    libpthreadCross =
+      if crossSystem != null && crossSystem.config == "i586-pc-gnu"
+      then gnu.libpthreadCross
+      else null;
+    texinfo = texinfo413;
+  }));
+
+  gcc48 = lowPrio (wrapGCC (callPackage ../development/compilers/gcc/4.8 {
+    inherit noSysDirs;
+
+    # PGO seems to speed up compilation by gcc by ~10%, see #445 discussion
+    profiledCompiler = with stdenv; (!isDarwin && (isi686 || isx86_64));
+
+    # When building `gcc.crossDrv' (a "Canadian cross", with host == target
+    # and host != build), `cross' must be null but the cross-libc must still
+    # be passed.
+    cross = null;
+    libcCross = if crossSystem != null then libcCross else null;
+    libpthreadCross =
+      if crossSystem != null && crossSystem.config == "i586-pc-gnu"
+      then gnu.libpthreadCross
+      else null;
+  }));
+
+  gcc48_multi =
+    if system == "x86_64-linux" then lowPrio (
+      wrapGCCWith (import ../build-support/gcc-wrapper) glibc_multi (gcc48.gcc.override {
+        stdenv = overrideGCC stdenv (wrapGCCWith (import ../build-support/gcc-wrapper) glibc_multi gcc.gcc);
+        profiledCompiler = false;
+        enableMultilib = true;
+      }))
+    else throw "Multilib gcc not supported on ‘${system}’";
+
+  gcc48_debug = lowPrio (wrapGCC (callPackage ../development/compilers/gcc/4.8 {
+    stripped = false;
+
+    inherit noSysDirs;
+    cross = null;
+    libcCross = null;
+    binutilsCross = null;
+  }));
+
+  gcc49 = lowPrio (wrapGCC (callPackage ../development/compilers/gcc/4.9 {
+    inherit noSysDirs;
+
+    # PGO seems to speed up compilation by gcc by ~10%, see #445 discussion
+    profiledCompiler = with stdenv; (!isDarwin && (isi686 || isx86_64));
+
+    # When building `gcc.crossDrv' (a "Canadian cross", with host == target
+    # and host != build), `cross' must be null but the cross-libc must still
+    # be passed.
+    cross = null;
+    libcCross = if crossSystem != null then libcCross else null;
+    libpthreadCross =
+      if crossSystem != null && crossSystem.config == "i586-pc-gnu"
+      then gnu.libpthreadCross
+      else null;
+  }));
+
+  gccApple =
+    assert stdenv.isDarwin;
+    wrapGCC (makeOverridable (import ../development/compilers/gcc/4.2-apple64) {
+      inherit fetchurl noSysDirs;
+      profiledCompiler = true;
+      # Since it fails to build with GCC 4.6, build it with the "native"
+      # Apple-GCC.
+      stdenv = allStdenvs.stdenvNative;
+    });
+
+  gfortran = gfortran48;
+
+  gfortran48 = wrapGCC (gcc48.gcc.override {
+    name = "gfortran";
+    langFortran = true;
+    langCC = false;
+    langC = false;
+    profiledCompiler = false;
+  });
+
+  gcj = gcj48;
+
+  gcj48 = wrapGCC (gcc48.gcc.override {
+    name = "gcj";
+    langJava = true;
+    langFortran = false;
+    langCC = false;
+    langC = false;
+    profiledCompiler = false;
+    inherit zip unzip zlib boehmgc gettext pkgconfig perl;
+    inherit gtk;
+    inherit (gnome) libart_lgpl;
+    inherit (xlibs) libX11 libXt libSM libICE libXtst libXi libXrender
+      libXrandr xproto renderproto xextproto inputproto randrproto;
+  });
+
+  gnat = gnat45;
+
+  gnat45 = wrapGCC (gcc45.gcc.override {
+    name = "gnat";
+    langCC = false;
+    langC = true;
+    langAda = true;
+    profiledCompiler = false;
+    inherit gnatboot;
+    # We can't use the ppl stuff, because we would have
+    # libstdc++ problems.
+    cloogppl = null;
+    ppl = null;
+  });
+
+  gnat46 = wrapGCC (gcc46.gcc.override {
+    name = "gnat";
+    langCC = false;
+    langC = true;
+    langAda = true;
+    profiledCompiler = false;
+    gnatboot = gnat45;
+    # We can't use the ppl stuff, because we would have
+    # libstdc++ problems.
+    ppl = null;
+    cloog = null;
+  });
+
+  gnatboot = wrapGCC (import ../development/compilers/gnatboot {
+    inherit fetchurl stdenv;
+  });
+
+  gccgo = gccgo48;
+
+  gccgo48 = wrapGCC (gcc48.gcc.override {
+    name = "gccgo";
+    langCC = true; #required for go.
+    langC = true;
+    langGo = true;
+  });
+
+  ghdl = wrapGCC (import ../development/compilers/gcc/4.3 {
+    inherit stdenv fetchurl gmp mpfr noSysDirs gnat;
+    texinfo = texinfo4;
+    name = "ghdl";
+    langVhdl = true;
+    langCC = false;
+    langC = false;
+    profiledCompiler = false;
+    enableMultilib = false;
+  });
+
+  ghdl_mcode = callPackage ../development/compilers/ghdl { };
+
+  gcl = builderDefsPackage ../development/compilers/gcl {
+    inherit mpfr m4 binutils fetchcvs emacs zlib which
+      texinfo;
+    gmp = gmp4;
+    inherit (xlibs) libX11 xproto inputproto libXi
+      libXext xextproto libXt libXaw libXmu;
+    inherit stdenv;
+    texLive = texLiveAggregationFun {
+      paths = [
+        texLive texLiveExtra
+      ];
+    };
+  };
+
+  jhc = callPackage ../development/compilers/jhc {
+    inherit (haskellPackages_ghc763) ghc binary zlib utf8String readline fgl
+      regexCompat HsSyck random;
+  };
+
+  gcc-arm-embedded-4_7 = callPackage_i686 ../development/compilers/gcc-arm-embedded {
+    version = "4.7-2013q3-20130916";
+    releaseType = "update";
+    sha256 = "1bd9bi9q80xn2rpy0rn1vvj70rh15kb7dmah0qs4q2rv78fqj40d";
+  };
+  gcc-arm-embedded-4_8 = callPackage_i686 ../development/compilers/gcc-arm-embedded {
+    version = "4.8-2014q1-20140314";
+    releaseType = "update";
+    sha256 = "ce92859550819d4a3d1a6e2672ea64882b30afa2c08cf67fa8e1d93788c2c577";
+  };
+  gcc-arm-embedded = gcc-arm-embedded-4_8;
+
+  # Haskell and GHC
+
+  # Import Haskell infrastructure.
+
+  haskell = let pkgs_       = pkgs // { gmp = gmp.override { withStatic = true; }; };
+                callPackage = newScope pkgs_;
+                newScope    = extra: lib.callPackageWith (pkgs_ // pkgs_.xorg // extra);
+            in callPackage ./haskell-defaults.nix { pkgs = pkgs_; inherit callPackage newScope; };
+
+  # Available GHC versions.
+
+  # For several compiler versions, we export a large set of Haskell-related
+  # packages.
+
+  # NOTE (recurseIntoAttrs): After discussion, we originally decided to
+  # enable it for all GHC versions. However, this is getting too much,
+  # particularly in connection with Hydra builds for all these packages.
+  # So we enable it for selected versions only. We build all ghcs, though
+
+  ghc = recurseIntoAttrs (lib.mapAttrs' (name: value:
+    lib.nameValuePair (builtins.substring (builtins.stringLength "packages_") (builtins.stringLength name) name) value.ghc
+  ) (lib.filterAttrs (name: value:
+    builtins.substring 0 (builtins.stringLength "packages_") name == "packages_"
+  ) haskell));
+
+  haskellPackages = haskellPackages_ghc783;
+  haskellPlatform = haskellPlatformPackages."2013_2_0_0";
+
+  haskellPackages_ghc6104 = haskell.packages_ghc6104;
+  haskellPackages_ghc6123 = haskell.packages_ghc6123;
+  haskellPackages_ghc704  = haskell.packages_ghc704;
+  haskellPackages_ghc722  = haskell.packages_ghc722;
+  haskellPackages_ghc742  = haskell.packages_ghc742;
+  haskellPackages_ghc763  = haskell.packages_ghc763;
+  haskellPackages_ghc783_no_profiling = recurseIntoAttrs haskell.packages_ghc783.noProfiling;
+  haskellPackages_ghc783_profiling    = recurseIntoAttrs haskell.packages_ghc783.profiling;
+  haskellPackages_ghc783              = recurseIntoAttrs haskell.packages_ghc783.highPrio;
+  haskellPackages_ghcHEAD = haskell.packages_ghcHEAD;
+
+  haskellPlatformPackages = recurseIntoAttrs (import ../development/libraries/haskell/haskell-platform { inherit pkgs; });
+
+  haxe = callPackage ../development/compilers/haxe { };
+
+  hhvm = callPackage ../development/compilers/hhvm { };
+  hiphopvm = hhvm; /* Compatibility alias */
+
+  falcon = builderDefsPackage (import ../development/interpreters/falcon) {
+    inherit cmake;
+  };
+
+  fsharp = callPackage ../development/compilers/fsharp {};
+
+  go_1_0 = callPackage ../development/compilers/go { };
+
+  go_1_1 =
+    if stdenv.isDarwin then
+      callPackage ../development/compilers/go/1.1-darwin.nix { }
+    else
+      callPackage ../development/compilers/go/1.1.nix { };
+
+  go_1_2 = callPackage ../development/compilers/go/1.2.nix { };
+
+  go_1_3 = callPackage ../development/compilers/go/1.3.nix { };
+
+  go = go_1_3;
+
+  gox = callPackage ../development/compilers/go/gox.nix { };
+
+  gprolog = callPackage ../development/compilers/gprolog { };
+
+  gwt240 = callPackage ../development/compilers/gwt/2.4.0.nix { };
+
+  icedtea7_jdk = callPackage ../development/compilers/icedtea rec {
+    jdk = openjdk;
+    jdkPath = "${openjdk}/lib/openjdk";
+  } // { outputs = [ "out" ]; };
+
+  icedtea7_jre = (lib.setName "icedtea7-${lib.getVersion pkgs.icedtea7_jdk.jre}" (lib.addMetaAttrs
+    { description = "Free Java runtime environment based on OpenJDK 7.0 and the IcedTea project"; }
+    pkgs.icedtea7_jdk.jre)) // { outputs = [ "jre" ]; };
+
+  icedtea7_web = callPackage ../development/compilers/icedtea-web {
+    jdk = "${icedtea7_jdk}/lib/icedtea";
+  };
+
+  ikarus = callPackage ../development/compilers/ikarus { };
+
+  hugs = callPackage ../development/compilers/hugs { };
+
+  path64 = callPackage ../development/compilers/path64 { };
+
+  openjdk =
+    if stdenv.isDarwin then
+      callPackage ../development/compilers/openjdk-darwin { }
+    else
+      let
+        openjdkBootstrap = callPackage ../development/compilers/openjdk/bootstrap.nix { };
+      in (callPackage ../development/compilers/openjdk {
+        jdk = openjdkBootstrap;
+      }) // { outputs = [ "out" ]; };
+
+  # FIXME: Need a way to set per-output meta attributes.
+  openjre = (lib.setName "openjre-${lib.getVersion pkgs.openjdk.jre}" (lib.addMetaAttrs
+    { description = "The open-source Java Runtime Environment"; }
+    pkgs.openjdk.jre)) // { outputs = [ "jre" ]; };
+
+  jdk = if stdenv.isDarwin || stdenv.system == "i686-linux" || stdenv.system == "x86_64-linux"
+    then pkgs.openjdk
+    else pkgs.oraclejdk;
+  jre = if stdenv.isDarwin || stdenv.system == "i686-linux" || stdenv.system == "x86_64-linux"
+    then pkgs.openjre
+    else pkgs.oraclejre;
+
+  oraclejdk = pkgs.jdkdistro true false;
+
+  oraclejdk7 = pkgs.oraclejdk7distro true false;
+
+  oraclejdk8 = pkgs.oraclejdk8distro true false;
+
+  oraclejre = lowPrio (pkgs.jdkdistro false false);
+
+  oraclejre7 = lowPrio (pkgs.oraclejdk7distro false false);
+
+  oraclejre8 = lowPrio (pkgs.oraclejdk8distro false false);
+
+  jrePlugin = lowPrio (pkgs.jdkdistro false true);
+
+  supportsJDK =
+    system == "i686-linux" ||
+    system == "x86_64-linux";
+
+  jdkdistro = installjdk: pluginSupport:
+    assert supportsJDK;
+    (if pluginSupport then appendToName "with-plugin" else x: x)
+      (callPackage ../development/compilers/oraclejdk/jdk6-linux.nix { });
+
+  oraclejdk7distro = installjdk: pluginSupport:
+    assert supportsJDK;
+    (if pluginSupport then appendToName "with-plugin" else x: x)
+      (callPackage ../development/compilers/oraclejdk/jdk7-linux.nix { inherit installjdk; });
+
+  oraclejdk8distro = installjdk: pluginSupport:
+    assert supportsJDK;
+    (if pluginSupport then appendToName "with-plugin" else x: x)
+      (callPackage ../development/compilers/oraclejdk/jdk8-linux.nix { inherit installjdk; });
+
+  jikes = callPackage ../development/compilers/jikes { };
+
+  juliaGit = callPackage ../development/compilers/julia/git-20131013.nix {
+    liblapack = liblapack.override {shared = true;};
+    llvm = llvm_33;
+  };
+  julia021 = callPackage ../development/compilers/julia/0.2.1.nix {
+    liblapack = liblapack.override {shared = true;};
+    llvm = llvm_33;
+  };
+  julia030 = let
+    liblapack = liblapack_3_5_0.override {shared = true;};
+  in callPackage ../development/compilers/julia/0.3.0.nix {
+    inherit liblapack;
+    suitesparse = suitesparse.override {
+      inherit liblapack;
+    };
+    openblas = openblas_0_2_10;
+    llvm = llvm_34;
+  };
+  julia = julia021;
+
+  lazarus = builderDefsPackage (import ../development/compilers/fpc/lazarus.nix) {
+    inherit makeWrapper gtk glib pango atk gdk_pixbuf;
+    inherit (xlibs) libXi inputproto libX11 xproto libXext xextproto;
+    fpc = fpc;
+  };
+
+  lessc = callPackage ../development/compilers/lessc { };
+
+  llvm = llvmPackages.llvm;
+
+  llvm_34 = llvmPackages_34.llvm;
+  llvm_33 = llvm_v ../development/compilers/llvm/3.3/llvm.nix;
+
+  llvm_v = path: callPackage path {
+    stdenv = if stdenv.isDarwin then stdenvApple else stdenv;
+  };
+
+  llvmPackages = if !stdenv.isDarwin then llvmPackages_34 else llvmPackages_34 // {
+    # until someone solves build problems with _34
+    llvm = llvm_33;
+    clang = clang_33;
+  };
+
+  llvmPackages_34 = recurseIntoAttrs (import ../development/compilers/llvm/3.4 {
+    inherit stdenv newScope fetchurl;
+    isl = isl_0_12;
+  });
+  llvmPackagesSelf = import ../development/compilers/llvm/3.4 { inherit newScope fetchurl; isl = isl_0_12; stdenv = libcxxStdenv; };
+
+  manticore = callPackage ../development/compilers/manticore { };
+
+  mentorToolchains = recurseIntoAttrs (
+    callPackage_i686 ../development/compilers/mentor {}
+  );
+
+  mercury = callPackage ../development/compilers/mercury { };
+
+  mitscheme = callPackage ../development/compilers/mit-scheme { };
+
+  mlton = callPackage ../development/compilers/mlton { };
+
+  mono = callPackage ../development/compilers/mono {
+    inherit (xlibs) libX11;
+  };
+
+  monoDLLFixer = callPackage ../build-support/mono-dll-fixer { };
+
+  mozart = callPackage ../development/compilers/mozart { };
+
+  neko = callPackage ../development/compilers/neko { };
+
+  nasm = callPackage ../development/compilers/nasm { };
+
+  nvidia_cg_toolkit = callPackage ../development/compilers/nvidia-cg-toolkit { };
+
+  ocaml = ocamlPackages.ocaml;
+
+  ocaml_3_08_0 = callPackage ../development/compilers/ocaml/3.08.0.nix { };
+
+  ocaml_3_10_0 = callPackage ../development/compilers/ocaml/3.10.0.nix { };
+
+  ocaml_3_11_2 = callPackage ../development/compilers/ocaml/3.11.2.nix { };
+
+  ocaml_3_12_1 = callPackage ../development/compilers/ocaml/3.12.1.nix { };
+
+  ocaml_4_00_1 = callPackage ../development/compilers/ocaml/4.00.1.nix { };
+
+  ocaml_4_01_0 = callPackage ../development/compilers/ocaml/4.01.0.nix { };
+
+  orc = callPackage ../development/compilers/orc { };
+
+  metaocaml_3_09 = callPackage ../development/compilers/ocaml/metaocaml-3.09.nix { };
+
+  ber_metaocaml_003 = callPackage ../development/compilers/ocaml/ber-metaocaml-003.nix { };
+
+  mkOcamlPackages = ocaml: self: let callPackage = newScope self; in rec {
+    inherit ocaml;
+
+    camlidl = callPackage ../development/tools/ocaml/camlidl { };
+
+    camlp5_5_strict = callPackage ../development/tools/ocaml/camlp5/5.15.nix { };
+
+    camlp5_5_transitional = callPackage ../development/tools/ocaml/camlp5/5.15.nix {
+      transitional = true;
+    };
+
+    camlp5_6_strict = callPackage ../development/tools/ocaml/camlp5 { };
+
+    camlp5_6_transitional = callPackage ../development/tools/ocaml/camlp5 {
+      transitional = true;
+    };
+
+    camlp5_strict = camlp5_6_strict;
+
+    camlp5_transitional = camlp5_6_transitional;
+
+    camlzip = callPackage ../development/ocaml-modules/camlzip { };
+
+    camomile_0_8_2 = callPackage ../development/ocaml-modules/camomile/0.8.2.nix { };
+    camomile = callPackage ../development/ocaml-modules/camomile { };
+
+    camlimages = callPackage ../development/ocaml-modules/camlimages {
+      libpng = libpng12;
+      giflib = giflib_4_1;
+    };
+
+    biniou = callPackage ../development/ocaml-modules/biniou { };
+
+    ocaml_cairo = callPackage ../development/ocaml-modules/ocaml-cairo { };
+
+    cppo = callPackage ../development/tools/ocaml/cppo { };
+
+    cryptokit = callPackage ../development/ocaml-modules/cryptokit { };
+
+    csv = callPackage ../development/ocaml-modules/csv { };
+
+    deriving = callPackage ../development/tools/ocaml/deriving { };
+
+    easy-format = callPackage ../development/ocaml-modules/easy-format { };
+
+    findlib = callPackage ../development/tools/ocaml/findlib { };
+
+    javalib = callPackage ../development/ocaml-modules/javalib {
+      extlib = ocaml_extlib_maximal;
+    };
+
+    dypgen = callPackage ../development/ocaml-modules/dypgen { };
+
+    patoline = callPackage ../tools/typesetting/patoline { };
+
+    gmetadom = callPackage ../development/ocaml-modules/gmetadom { };
+
+    lablgl = callPackage ../development/ocaml-modules/lablgl { };
+
+    lablgtk = callPackage ../development/ocaml-modules/lablgtk {
+      inherit (gnome) libgnomecanvas libglade gtksourceview;
+    };
+
+    lablgtkmathview = callPackage ../development/ocaml-modules/lablgtkmathview {
+      gtkmathview = callPackage ../development/libraries/gtkmathview { };
+    };
+
+    menhir = callPackage ../development/ocaml-modules/menhir { };
+
+    merlin = callPackage ../development/tools/ocaml/merlin { };
+
+    mldonkey = callPackage ../applications/networking/p2p/mldonkey { };
+
+    mlgmp =  callPackage ../development/ocaml-modules/mlgmp { };
+
+    ocaml_batteries = callPackage ../development/ocaml-modules/batteries { };
+
+    ocaml_cryptgps = callPackage ../development/ocaml-modules/cryptgps { };
+
+    ocaml_data_notation = callPackage ../development/ocaml-modules/odn { };
+
+    ocaml_expat = callPackage ../development/ocaml-modules/expat { };
+
+    ocamlgraph = callPackage ../development/ocaml-modules/ocamlgraph { };
+
+    ocaml_http = callPackage ../development/ocaml-modules/http { };
+
+    ocamlify = callPackage ../development/tools/ocaml/ocamlify { };
+
+    ocaml_lwt = callPackage ../development/ocaml-modules/lwt { };
+
+    ocamlmod = callPackage ../development/tools/ocaml/ocamlmod { };
+
+    ocaml_mysql = callPackage ../development/ocaml-modules/mysql { };
+
+    ocamlnet = callPackage ../development/ocaml-modules/ocamlnet { };
+
+    ocaml_oasis = callPackage ../development/tools/ocaml/oasis { };
+
+    ocaml_pcre = callPackage ../development/ocaml-modules/pcre {
+      inherit pcre;
+    };
+
+    ocaml_react = callPackage ../development/ocaml-modules/react { };
+
+    ocamlsdl= callPackage ../development/ocaml-modules/ocamlsdl { };
+
+    ocaml_sqlite3 = callPackage ../development/ocaml-modules/sqlite3 { };
+
+    ocaml_ssl = callPackage ../development/ocaml-modules/ssl { };
+
+    ounit = callPackage ../development/ocaml-modules/ounit { };
+
+    ulex = callPackage ../development/ocaml-modules/ulex { };
+
+    ulex08 = callPackage ../development/ocaml-modules/ulex/0.8 {
+      camlp5 = camlp5_transitional;
+    };
+
+    ocaml_typeconv = callPackage ../development/ocaml-modules/typeconv { };
+
+    ocaml_typeconv_3_0_5 = callPackage ../development/ocaml-modules/typeconv/3.0.5.nix { };
+
+    ocaml_sexplib = callPackage ../development/ocaml-modules/sexplib { };
+
+    ocaml_extlib = callPackage ../development/ocaml-modules/extlib { };
+    ocaml_extlib_maximal = callPackage ../development/ocaml-modules/extlib {
+      minimal = false;
+    };
+
+    pycaml = callPackage ../development/ocaml-modules/pycaml { };
+
+    opam_1_0_0 = callPackage ../development/tools/ocaml/opam/1.0.0.nix { };
+    opam_1_1 = callPackage ../development/tools/ocaml/opam/1.1.nix { };
+    opam = opam_1_1;
+
+    sawja = callPackage ../development/ocaml-modules/sawja { };
+
+    uucd = callPackage ../development/ocaml-modules/uucd { };
+    uunf = callPackage ../development/ocaml-modules/uunf { };
+    uutf = callPackage ../development/ocaml-modules/uutf { };
+    xmlm = callPackage ../development/ocaml-modules/xmlm { };
+
+    yojson = callPackage ../development/ocaml-modules/yojson { };
+
+    zarith = callPackage ../development/ocaml-modules/zarith { };
+  };
+
+  ocamlPackages = recurseIntoAttrs ocamlPackages_4_01_0;
+  ocamlPackages_3_10_0 = mkOcamlPackages ocaml_3_10_0 pkgs.ocamlPackages_3_10_0;
+  ocamlPackages_3_11_2 = mkOcamlPackages ocaml_3_11_2 pkgs.ocamlPackages_3_11_2;
+  ocamlPackages_3_12_1 = mkOcamlPackages ocaml_3_12_1 pkgs.ocamlPackages_3_12_1;
+  ocamlPackages_4_00_1 = mkOcamlPackages ocaml_4_00_1 pkgs.ocamlPackages_4_00_1;
+  ocamlPackages_4_01_0 = mkOcamlPackages ocaml_4_01_0 pkgs.ocamlPackages_4_01_0;
+  ocamlPackages_latest = ocamlPackages_4_01_0;
+
+  ocaml_make = callPackage ../development/ocaml-modules/ocamlmake { };
+
+  opa = let callPackage = newScope pkgs.ocamlPackages_4_00_1; in callPackage ../development/compilers/opa { };
+
+  ocamlnat = let callPackage = newScope pkgs.ocamlPackages_3_12_1; in callPackage ../development/ocaml-modules/ocamlnat { };
+
+  qcmm = callPackage ../development/compilers/qcmm {
+    lua   = lua4;
+    ocaml = ocaml_3_08_0;
+  };
+
+  roadsend = callPackage ../development/compilers/roadsend { };
+
+  rustc       = callPackage ../development/compilers/rustc/0.11.nix {};
+  rustcMaster = callPackage ../development/compilers/rustc/head.nix {};
+
+  rust = rustc;
+
+
+  sbclBootstrap = callPackage ../development/compilers/sbcl/bootstrap.nix {};
+  sbcl = callPackage ../development/compilers/sbcl {
+    clisp = clisp;
+  };
+
+  scala_2_9 = callPackage ../development/compilers/scala/2.9.nix { };
+  scala_2_10 = callPackage ../development/compilers/scala/2.10.nix { };
+  scala_2_11 = callPackage ../development/compilers/scala { };
+  scala = scala_2_11;
+
+  sdcc = callPackage ../development/compilers/sdcc { };
+
+  smlnjBootstrap = callPackage ../development/compilers/smlnj/bootstrap.nix { };
+  smlnj = callPackage_i686 ../development/compilers/smlnj { };
+
+  stalin = callPackage ../development/compilers/stalin { };
+
+  strategoPackages = recurseIntoAttrs strategoPackages018;
+
+  strategoPackages016 = callPackage ../development/compilers/strategoxt/0.16.nix {
+    stdenv = overrideInStdenv stdenv [gnumake380];
+  };
+
+  strategoPackages017 = callPackage ../development/compilers/strategoxt/0.17.nix {
+    readline = readline5;
+  };
+
+  strategoPackages018 = callPackage ../development/compilers/strategoxt/0.18.nix {
+    readline = readline5;
+  };
+
+  metaBuildEnv = callPackage ../development/compilers/meta-environment/meta-build-env { };
+
+  swiProlog = callPackage ../development/compilers/swi-prolog { };
+
+  tbb = callPackage ../development/libraries/tbb { };
+
+  tinycc = callPackage ../development/compilers/tinycc { };
+
+  urweb = callPackage ../development/compilers/urweb { };
+
+  vala = callPackage ../development/compilers/vala/default.nix { };
+
+  visualcpp = callPackage ../development/compilers/visual-c++ { };
+
+  vs90wrapper = callPackage ../development/compilers/vs90wrapper { };
+
+  webdsl = callPackage ../development/compilers/webdsl { };
+
+  win32hello = callPackage ../development/compilers/visual-c++/test { };
+
+  wrapGCCWith = gccWrapper: glibc: baseGCC: gccWrapper {
+    nativeTools = stdenv ? gcc && stdenv.gcc.nativeTools;
+    nativeLibc = stdenv ? gcc && stdenv.gcc.nativeLibc;
+    nativePrefix = if stdenv ? gcc then stdenv.gcc.nativePrefix else "";
+    gcc = baseGCC;
+    libc = glibc;
+    shell = bash;
+    inherit stdenv binutils coreutils zlib;
+  };
+
+  wrapClangWith = clangWrapper: glibc: baseClang: clangWrapper {
+    nativeTools = stdenv.gcc.nativeTools or false;
+    nativeLibc = stdenv.gcc.nativeLibc or false;
+    nativePrefix = stdenv.gcc.nativePrefix or "";
+    clang = baseClang;
+    libc = glibc;
+    shell = bash;
+    binutils = stdenv.gcc.binutils;
+    inherit stdenv coreutils zlib;
+  };
+
+  wrapClang = wrapClangWith (makeOverridable (import ../build-support/clang-wrapper)) glibc;
+
+  wrapGCC = wrapGCCWith (makeOverridable (import ../build-support/gcc-wrapper)) glibc;
+
+  wrapGCCCross =
+    {gcc, libc, binutils, cross, shell ? "", name ? "gcc-cross-wrapper"}:
+
+    forceNativeDrv (import ../build-support/gcc-cross-wrapper {
+      nativeTools = false;
+      nativeLibc = false;
+      noLibc = (libc == null);
+      inherit stdenv gcc binutils libc shell name cross;
+    });
+
+  # prolog
+  yap = callPackage ../development/compilers/yap { };
+
+  yasm = callPackage ../development/compilers/yasm { };
+
+
+  ### DEVELOPMENT / INTERPRETERS
+
+  acl2 = builderDefsPackage ../development/interpreters/acl2 {
+    inherit sbcl;
+  };
+
+  angelscript = callPackage ../development/interpreters/angelscript {};
+
+  clisp = callPackage ../development/interpreters/clisp { };
+
+  # compatibility issues in 2.47 - at list 2.44.1 is known good
+  # for sbcl bootstrap
+  clisp_2_44_1 = callPackage ../development/interpreters/clisp/2.44.1.nix {
+    libsigsegv = libsigsegv_25;
+  };
+
+  clojure = callPackage ../development/interpreters/clojure { };
+
+  clooj = callPackage ../development/interpreters/clojure/clooj.nix { };
+
+  erlangR14 = callPackage ../development/interpreters/erlang/R14.nix { };
+  erlangR15 = callPackage ../development/interpreters/erlang/R15.nix { };
+  erlangR16 = callPackage ../development/interpreters/erlang/R16.nix { };
+  erlangR17 = callPackage ../development/interpreters/erlang/R17.nix { };
+  erlang = erlangR17;
+
+  rebar = callPackage ../development/tools/build-managers/rebar { };
+
+  elixir = callPackage ../development/interpreters/elixir { };
+
+  groovy = callPackage ../development/interpreters/groovy { };
+
+  guile_1_8 = callPackage ../development/interpreters/guile/1.8.nix { };
+
+  guile_2_0 = callPackage ../development/interpreters/guile { };
+
+  guile = guile_2_0;
+
+  hadoop = callPackage ../applications/networking/cluster/hadoop { };
+
+  io = callPackage ../development/interpreters/io { };
+
+  j = callPackage ../development/interpreters/j {};
+
+  jmeter = callPackage ../applications/networking/jmeter {};
+
+  davmail = callPackage ../applications/networking/davmail {};
+
+  lxappearance = callPackage ../applications/misc/lxappearance {};
+
+  kona = callPackage ../development/interpreters/kona {};
+
+  love = callPackage ../development/interpreters/love {lua=lua5;};
+  love_luajit = callPackage ../development/interpreters/love {lua=luajit;};
+  love_0_9 = callPackage ../development/interpreters/love/0.9.nix { };
+
+  lua4 = callPackage ../development/interpreters/lua-4 { };
+  lua5_0 = callPackage ../development/interpreters/lua-5/5.0.3.nix { };
+  lua5_1 = callPackage ../development/interpreters/lua-5/5.1.nix { };
+  lua5_2 = callPackage ../development/interpreters/lua-5/5.2.nix { };
+  lua5_2_compat = callPackage ../development/interpreters/lua-5/5.2.nix {
+    compat = true;
+  };
+  lua5 = lua5_1;
+  lua = lua5;
+
+  lua5_sockets = callPackage ../development/interpreters/lua-5/sockets.nix {};
+  lua5_expat = callPackage ../development/interpreters/lua-5/expat.nix {};
+  lua5_filesystem = callPackage ../development/interpreters/lua-5/filesystem.nix {};
+  lua5_sec = callPackage ../development/interpreters/lua-5/sec.nix {};
+
+  luarocks = callPackage ../development/tools/misc/luarocks {
+     lua = lua5;
+  };
+
+  luajit = callPackage ../development/interpreters/luajit {};
+
+  lush2 = callPackage ../development/interpreters/lush {};
+
+  maude = callPackage ../development/interpreters/maude {
+    bison = bison2;
+    flex = flex_2_5_35;
+  };
+
+  mesos = callPackage ../applications/networking/cluster/mesos {
+    sasl = cyrus_sasl;
+    automake = automake114x;
+    inherit (pythonPackages) python boto setuptools distutils-cfg wrapPython;
+    pythonProtobuf = pythonPackages.protobuf;
+  };
+
+  octave = callPackage ../development/interpreters/octave {
+    fltk = fltk13;
+    qt = null;
+    ghostscript = null;
+    llvm = null;
+    hdf5 = null;
+    glpk = null;
+    suitesparse = null;
+    openjdk = null;
+    gnuplot = null;
+    readline = readline63;
+  };
+  octaveFull = (lowPrio (callPackage ../development/interpreters/octave {
+    fltk = fltk13;
+    qt = qt4;
+  }));
+
+  # mercurial (hg) bleeding edge version
+  octaveHG = callPackage ../development/interpreters/octave/hg.nix { };
+
+  ocropus = callPackage ../applications/misc/ocropus { };
+
+  perl514 = callPackage ../development/interpreters/perl/5.14 { };
+
+  perl516 = callPackage ../development/interpreters/perl/5.16 {
+    fetchurl = fetchurlBoot;
+  };
+
+  perl520 = callPackage ../development/interpreters/perl/5.20 { };
+
+  perl = if system != "i686-cygwin" then perl516 else sysPerl;
+
+  php = php54;
+
+  phpPackages = recurseIntoAttrs (import ./php-packages.nix {
+    inherit php pkgs;
+  });
+
+  php53 = callPackage ../development/interpreters/php/5.3.nix { };
+
+  php_fpm53 = callPackage ../development/interpreters/php/5.3.nix {
+    config = config // {
+      php = (config.php or {}) // {
+        fpm = true;
+        apxs2 = false;
+      };
+    };
+  };
+
+  php54 = callPackage ../development/interpreters/php/5.4.nix { };
+
+  picolisp = callPackage ../development/interpreters/picolisp {};
+
+  pltScheme = racket; # just to be sure
+
+  polyml = callPackage ../development/compilers/polyml { };
+
+  pure = callPackage ../development/interpreters/pure {
+    llvm = llvm_33 ;
+  };
+
+  python = python2;
+  python2 = python27;
+  python3 = python34;
+
+  # pythonPackages further below, but assigned here because they need to be in sync
+  pythonPackages = python2Packages;
+  python2Packages = python27Packages;
+  python3Packages = python34Packages;
+
+  pythonFull = python2Full;
+  python2Full = python27Full;
+
+  python26 = callPackage ../development/interpreters/python/2.6 { db = db47; };
+  python27 = callPackage ../development/interpreters/python/2.7 { };
+  python32 = callPackage ../development/interpreters/python/3.2 { };
+  python33 = callPackage ../development/interpreters/python/3.3 { };
+  python34 = hiPrio (callPackage ../development/interpreters/python/3.4 { });
+
+  pypy = callPackage ../development/interpreters/pypy/2.3 { };
+
+  python26Full = callPackage ../development/interpreters/python/wrapper.nix {
+    extraLibs = [];
+    postBuild = "";
+    python = python26;
+    inherit (python26Packages) recursivePthLoader;
+  };
+  python27Full = callPackage ../development/interpreters/python/wrapper.nix {
+    extraLibs = [];
+    postBuild = "";
+    python = python27;
+    inherit (python27Packages) recursivePthLoader;
+  };
+
+  pythonDocs = recurseIntoAttrs (import ../development/interpreters/python/docs {
+    inherit stdenv fetchurl lib;
+  });
+
+  pythonLinkmeWrapper = callPackage ../development/interpreters/python/python-linkme-wrapper.nix { };
+
+  pypi2nix = python27Packages.pypi2nix;
+
+  pyrex = pyrex095;
+
+  pyrex095 = callPackage ../development/interpreters/pyrex/0.9.5.nix { };
+
+  pyrex096 = callPackage ../development/interpreters/pyrex/0.9.6.nix { };
+
+  qi = callPackage ../development/compilers/qi { };
+
+  racket = callPackage ../development/interpreters/racket { };
+
+  rakudo = callPackage ../development/interpreters/rakudo { };
+
+  rascal = callPackage ../development/interpreters/rascal { };
+
+  regina = callPackage ../development/interpreters/regina { };
+
+  renpy = callPackage ../development/interpreters/renpy {
+    wrapPython = pythonPackages.wrapPython;
+  };
+
+  ruby18 = callPackage ../development/interpreters/ruby/ruby-18.nix { };
+  ruby19 = callPackage ../development/interpreters/ruby/ruby-19.nix { };
+  ruby2 = lowPrio (callPackage ../development/interpreters/ruby/ruby-2.0.nix { });
+
+  ruby = ruby19;
+
+  rubyLibs = recurseIntoAttrs (callPackage ../development/interpreters/ruby/libs.nix { });
+
+  rake = rubyLibs.rake;
+
+  rubySqlite3 = callPackage ../development/ruby-modules/sqlite3 { };
+
+  rubygemsFun = ruby: builderDefsPackage (import ../development/interpreters/ruby/rubygems.nix) {
+    inherit ruby makeWrapper;
+  };
+  rubygems = hiPrio (rubygemsFun ruby);
+
+  rq = callPackage ../applications/networking/cluster/rq { };
+
+  scsh = callPackage ../development/interpreters/scsh { };
+
+  scheme48 = callPackage ../development/interpreters/scheme48 { };
+
+  spark = callPackage ../applications/networking/cluster/spark { };
+
+  spidermonkey = callPackage ../development/interpreters/spidermonkey { };
+  spidermonkey_1_8_0rc1 = callPackage ../development/interpreters/spidermonkey/1.8.0-rc1.nix { };
+  spidermonkey_185 = callPackage ../development/interpreters/spidermonkey/185-1.0.0.nix { };
+  spidermonkey_17 = callPackage ../development/interpreters/spidermonkey/17.0.nix { };
+  spidermonkey_24 = callPackage ../development/interpreters/spidermonkey/24.2.nix { };
+
+  supercollider = callPackage ../development/interpreters/supercollider {
+    qt = qt4;
+    fftw = fftwSinglePrec;
+  };
+
+  supercollider_scel = supercollider.override { useSCEL = true; };
+
+  sysPerl = callPackage ../development/interpreters/perl/sys-perl { };
+
+  tcl = callPackage ../development/interpreters/tcl { };
+
+  xulrunner = callPackage ../development/interpreters/xulrunner {
+    inherit (gnome) libIDL;
+    inherit (pythonPackages) pysqlite;
+  };
+
+  xulrunner_30 = firefox30Pkgs.xulrunner;
+
+
+  ### DEVELOPMENT / MISC
+
+  amdadlsdk = callPackage ../development/misc/amdadl-sdk { };
+
+  amdappsdk26 = callPackage ../development/misc/amdapp-sdk {
+    version = "2.6";
+  };
+
+  amdappsdk27 = callPackage ../development/misc/amdapp-sdk {
+    version = "2.7";
+  };
+
+  amdappsdk28 = callPackage ../development/misc/amdapp-sdk {
+    version = "2.8";
+  };
+
+  amdappsdk = amdappsdk28;
+
+  amdappsdkFull = callPackage ../development/misc/amdapp-sdk {
+    version = "2.8";
+    samples = true;
+  };
+
+  avrgcclibc = callPackage ../development/misc/avr-gcc-with-avr-libc {
+    gcc = gcc46;
+    stdenv = overrideGCC stdenv gcc46;
+  };
+
+  avr8burnomat = callPackage ../development/misc/avr8-burn-omat { };
+
+  sourceFromHead = import ../build-support/source-from-head-fun.nix {
+    inherit config;
+  };
+
+  ecj = callPackage ../development/eclipse/ecj { };
+
+  jdtsdk = callPackage ../development/eclipse/jdt-sdk { };
+
+  jruby165 = callPackage ../development/interpreters/jruby { };
+
+  guileCairo = callPackage ../development/guile-modules/guile-cairo { };
+
+  guileGnome = callPackage ../development/guile-modules/guile-gnome {
+    gconf = gnome.GConf;
+    inherit (gnome) gnome_vfs libglade libgnome libgnomecanvas libgnomeui;
+  };
+
+  guile_lib = callPackage ../development/guile-modules/guile-lib { };
+
+  guile_ncurses = callPackage ../development/guile-modules/guile-ncurses { };
+
+  guile-xcb = callPackage ../development/guile-modules/guile-xcb { };
+
+  pharo-vm = callPackage_i686 ../development/pharo/vm { };
+
+  srecord = callPackage ../development/tools/misc/srecord { };
+
+  windowssdk = (
+    import ../development/misc/windows-sdk {
+      inherit fetchurl stdenv cabextract;
+    });
+
+
+  ### DEVELOPMENT / TOOLS
+
+  ansible = callPackage ../tools/system/ansible { };
+
+  antlr = callPackage ../development/tools/parsing/antlr/2.7.7.nix { };
+
+  antlr3 = callPackage ../development/tools/parsing/antlr { };
+
+  ant = apacheAnt;
+
+  apacheAnt = callPackage ../development/tools/build-managers/apache-ant { };
+
+  astyle = callPackage ../development/tools/misc/astyle { };
+
+  autobuild = callPackage ../development/tools/misc/autobuild { };
+
+  autoconf = callPackage ../development/tools/misc/autoconf { };
+
+  autoconf213 = callPackage ../development/tools/misc/autoconf/2.13.nix { };
+
+  autocutsel = callPackage ../tools/X11/autocutsel{ };
+
+  automake = automake112x;
+
+  automake111x = callPackage ../development/tools/misc/automake/automake-1.11.x.nix { };
+
+  automake112x = callPackage ../development/tools/misc/automake/automake-1.12.x.nix { };
+
+  automake113x = callPackage ../development/tools/misc/automake/automake-1.13.x.nix { };
+
+  automake114x = callPackage ../development/tools/misc/automake/automake-1.14.x.nix { };
+
+  automoc4 = callPackage ../development/tools/misc/automoc4 { };
+
+  avrdude = callPackage ../development/tools/misc/avrdude { };
+
+  avarice = callPackage ../development/tools/misc/avarice { };
+
+  babeltrace = callPackage ../development/tools/misc/babeltrace { };
+
+  bam = callPackage ../development/tools/build-managers/bam {};
+
+  binutils = callPackage ../development/tools/misc/binutils {
+    inherit noSysDirs;
+  };
+
+  binutils_nogold = lowPrio (callPackage ../development/tools/misc/binutils {
+    inherit noSysDirs;
+    gold = false;
+  });
+
+  binutilsCross =
+    if crossSystem != null && crossSystem.libc == "libSystem" then darwin.cctools
+    else lowPrio (forceNativeDrv (import ../development/tools/misc/binutils {
+      inherit stdenv fetchurl zlib bison;
+      noSysDirs = true;
+      cross = assert crossSystem != null; crossSystem;
+    }));
+
+  bison2 = callPackage ../development/tools/parsing/bison/2.x.nix { };
+  bison3 = callPackage ../development/tools/parsing/bison/3.x.nix { };
+  bison = bison3;
+
+  buildbot = callPackage ../development/tools/build-managers/buildbot {
+    inherit (pythonPackages) twisted jinja2 sqlalchemy sqlalchemy_migrate;
+    dateutil = pythonPackages.dateutil_1_5;
+  };
+
+  buildbotSlave = callPackage ../development/tools/build-managers/buildbot-slave {
+    inherit (pythonPackages) twisted;
+  };
+
+  byacc = callPackage ../development/tools/parsing/byacc { };
+
+  casperjs = callPackage ../development/tools/casperjs { };
+
+  cbrowser = callPackage ../development/tools/misc/cbrowser { };
+
+  ccache = callPackage ../development/tools/misc/ccache { };
+
+  # Wrapper that works as gcc or g++
+  # It can be used by setting in nixpkgs config like this, for example:
+  #    replaceStdenv = { pkgs }: pkgs.ccacheStdenv;
+  # But if you build in chroot, you should have that path in chroot
+  # If instantiated directly, it will use the HOME/.ccache as cache directory.
+  # You can use an override in packageOverrides to set extraConfig:
+  #    packageOverrides = pkgs: {
+  #     ccacheWrapper = pkgs.ccacheWrapper.override {
+  #       extraConfig = ''
+  #         CCACHE_COMPRESS=1
+  #         CCACHE_DIR=/bin/.ccache
+  #       '';
+  #     };
+  #
+  ccacheWrapper = makeOverridable ({ extraConfig ? "" }:
+     wrapGCC (ccache.links extraConfig)) {};
+  ccacheStdenv = lowPrio (overrideGCC stdenv ccacheWrapper);
+
+  cccc = callPackage ../development/tools/analysis/cccc { };
+
+  cgdb = callPackage ../development/tools/misc/cgdb { };
+
+  chromedriver = callPackage ../development/tools/selenium/chromedriver { gconf = gnome.GConf; };
+
+  chrpath = callPackage ../development/tools/misc/chrpath { };
+
+  "cl-launch" = callPackage ../development/tools/misc/cl-launch {};
+
+  complexity = callPackage ../development/tools/misc/complexity { };
+
+  ctags = callPackage ../development/tools/misc/ctags { };
+
+  ctagsWrapped = import ../development/tools/misc/ctags/wrapped.nix {
+    inherit pkgs ctags writeScriptBin;
+  };
+
+  cmake = callPackage ../development/tools/build-managers/cmake { };
+
+  cmake264 = callPackage ../development/tools/build-managers/cmake/264.nix { };
+
+  cmakeCurses = cmake.override { useNcurses = true; };
+
+  cmakeWithGui = cmakeCurses.override { useQt4 = true; };
+
+  coccinelle = callPackage ../development/tools/misc/coccinelle { };
+
+  framac = callPackage ../development/tools/analysis/frama-c { };
+
+  cppi = callPackage ../development/tools/misc/cppi { };
+
+  cproto = callPackage ../development/tools/misc/cproto { };
+
+  cflow = callPackage ../development/tools/misc/cflow { };
+
+  cov-build = callPackage ../development/tools/analysis/cov-build {};
+
+  cppcheck = callPackage ../development/tools/analysis/cppcheck { };
+
+  cscope = callPackage ../development/tools/misc/cscope { };
+
+  csslint = callPackage ../development/web/csslint { };
+
+  libcxx = callPackage ../development/libraries/libc++ { stdenv = pkgs.clangStdenv; };
+  libcxxabi = callPackage ../development/libraries/libc++abi { stdenv = pkgs.clangStdenv; };
+
+  libsigrok = callPackage ../development/tools/libsigrok { };
+
+  libsigrokdecode = callPackage ../development/tools/libsigrokdecode { };
+
+  dejagnu = callPackage ../development/tools/misc/dejagnu { };
+
+  dfeet = callPackage ../development/tools/misc/d-feet {
+    inherit (pythonPackages) pep8;
+  };
+
+  dfu-programmer = callPackage ../development/tools/misc/dfu-programmer { };
+
+  ddd = callPackage ../development/tools/misc/ddd { };
+
+  distcc = callPackage ../development/tools/misc/distcc { };
+
+  # distccWrapper: wrapper that works as gcc or g++
+  # It can be used by setting in nixpkgs config like this, for example:
+  #    replaceStdenv = { pkgs }: pkgs.distccStdenv;
+  # But if you build in chroot, a default 'nix' will create
+  # a new net namespace, and won't have network access.
+  # You can use an override in packageOverrides to set extraConfig:
+  #    packageOverrides = pkgs: {
+  #     distccWrapper = pkgs.distccWrapper.override {
+  #       extraConfig = ''
+  #         DISTCC_HOSTS="myhost1 myhost2"
+  #       '';
+  #     };
+  #
+  distccWrapper = makeOverridable ({ extraConfig ? "" }:
+     wrapGCC (distcc.links extraConfig)) {};
+  distccStdenv = lowPrio (overrideGCC stdenv distccWrapper);
+
+  distccMasquerade = callPackage ../development/tools/misc/distcc/masq.nix {
+    gccRaw = gcc.gcc;
+    binutils = binutils;
+  };
+
+  docutils = builderDefsPackage (import ../development/tools/documentation/docutils) {
+    inherit python pil makeWrapper;
+  };
+
+  doxygen = callPackage ../development/tools/documentation/doxygen {
+    qt4 = null;
+  };
+
+  doxygen_gui = lowPrio (doxygen.override { inherit qt4; });
+
+  drush = callPackage ../development/tools/misc/drush { };
+
+  eggdbus = callPackage ../development/tools/misc/eggdbus { };
+
+  elfutils = callPackage ../development/tools/misc/elfutils { };
+
+  epm = callPackage ../development/tools/misc/epm { };
+
+  emma = callPackage ../development/tools/analysis/emma { };
+
+  findbugs = callPackage ../development/tools/analysis/findbugs { };
+
+  pmd = callPackage ../development/tools/analysis/pmd { };
+
+  jdepend = callPackage ../development/tools/analysis/jdepend { };
+
+  checkstyle = callPackage ../development/tools/analysis/checkstyle { };
+
+  flex_2_5_35 = callPackage ../development/tools/parsing/flex/2.5.35.nix { };
+  flex_2_5_39 = callPackage ../development/tools/parsing/flex/2.5.39.nix { };
+  flex = flex_2_5_39;
+
+  m4 = gnum4;
+
+  global = callPackage ../development/tools/misc/global { };
+
+  gnome_doc_utils = callPackage ../development/tools/documentation/gnome-doc-utils {};
+
+  gnum4 = callPackage ../development/tools/misc/gnum4 { };
+
+  gnumake380 = callPackage ../development/tools/build-managers/gnumake/3.80 { };
+  gnumake381 = callPackage ../development/tools/build-managers/gnumake/3.81 { };
+  gnumake382 = callPackage ../development/tools/build-managers/gnumake/3.82 { };
+  gnumake40  = callPackage ../development/tools/build-managers/gnumake/4.0  { };
+  gnumake = gnumake382;
+
+  gob2 = callPackage ../development/tools/misc/gob2 { };
+
+  gradle = callPackage ../development/tools/build-managers/gradle { };
+
+  gperf = callPackage ../development/tools/misc/gperf { };
+
+  gtk_doc = callPackage ../development/tools/documentation/gtk-doc { };
+
+  gtkdialog = callPackage ../development/tools/misc/gtkdialog { };
+
+  guileLint = callPackage ../development/tools/guile/guile-lint { };
+
+  gwrap = callPackage ../development/tools/guile/g-wrap { };
+
+  help2man = callPackage ../development/tools/misc/help2man {
+    inherit (perlPackages) LocaleGettext;
+  };
+
+  hyenae = callPackage ../tools/networking/hyenae { };
+
+  ibus = callPackage ../development/libraries/ibus { };
+
+  iconnamingutils = callPackage ../development/tools/misc/icon-naming-utils {
+    inherit (perlPackages) XMLSimple;
+  };
+
+  indent = callPackage ../development/tools/misc/indent { };
+
+  ino = callPackage ../development/arduino/ino { };
+
+  inotifyTools = callPackage ../development/tools/misc/inotify-tools { };
+
+  intel-gpu-tools = callPackage ../development/tools/misc/intel-gpu-tools {
+    inherit (xorg) libpciaccess dri2proto libX11 libXext libXv libXrandr;
+  };
+
+  ired = callPackage ../development/tools/analysis/radare/ired.nix { };
+
+  itstool = callPackage ../development/tools/misc/itstool { };
+
+  jam = callPackage ../development/tools/build-managers/jam { };
+
+  jikespg = callPackage ../development/tools/parsing/jikespg { };
+
+  jenkins = callPackage ../development/tools/continuous-integration/jenkins { };
+
+  lcov = callPackage ../development/tools/analysis/lcov { };
+
+  leiningen = callPackage ../development/tools/build-managers/leiningen { };
+
+  libtool = libtool_2;
+
+  libtool_1_5 = callPackage ../development/tools/misc/libtool { };
+
+  libtool_2 = callPackage ../development/tools/misc/libtool/libtool2.nix { };
+
+  lsof = callPackage ../development/tools/misc/lsof { };
+
+  ltrace = callPackage ../development/tools/misc/ltrace { };
+
+  lttng-tools = callPackage ../development/tools/misc/lttng-tools { };
+
+  lttng-ust = callPackage ../development/tools/misc/lttng-ust { };
+
+  lttv = callPackage ../development/tools/misc/lttv { };
+
+  mk = callPackage ../development/tools/build-managers/mk { };
+
+  neoload = callPackage ../development/tools/neoload {
+    licenseAccepted = (config.neoload.accept_license or false);
+  };
+
+  ninja = callPackage ../development/tools/build-managers/ninja { };
+
+  nixbang = callPackage ../development/tools/misc/nixbang {
+      pythonPackages = python3Packages;
+  };
+
+  node_webkit = callPackage ../development/tools/node-webkit {
+    gconf = pkgs.gnome.GConf;
+  };
+
+  noweb = callPackage ../development/tools/literate-programming/noweb { };
+
+  omake = callPackage ../development/tools/ocaml/omake { };
+  omake_rc1 = callPackage ../development/tools/ocaml/omake/0.9.8.6-rc1.nix { };
+
+  opengrok = callPackage ../development/tools/misc/opengrok { };
+
+  openocd = callPackage ../development/tools/misc/openocd { };
+
+  oprofile = callPackage ../development/tools/profiling/oprofile { };
+
+  patchelf = callPackage ../development/tools/misc/patchelf { };
+
+  peg = callPackage ../development/tools/parsing/peg { };
+
+  phantomjs = callPackage ../development/tools/phantomjs {
+    stdenv = if stdenv.isDarwin
+      then overrideGCC stdenv gccApple
+      else stdenv;
+  };
+
+  pmccabe = callPackage ../development/tools/misc/pmccabe { };
+
+  /* Make pkgconfig always return a nativeDrv, never a proper crossDrv,
+     because most usage of pkgconfig as buildInput (inheritance of
+     pre-cross nixpkgs) means using it using as nativeBuildInput
+     cross_renaming: we should make all programs use pkgconfig as
+     nativeBuildInput after the renaming.
+     */
+  pkgconfig = forceNativeDrv (callPackage ../development/tools/misc/pkgconfig { });
+  pkgconfigUpstream = lowPrio (pkgconfig.override { vanilla = true; });
+
+  prelink = callPackage ../development/tools/misc/prelink { };
+
+  premake3 = callPackage ../development/tools/misc/premake/3.nix { };
+
+  premake4 = callPackage ../development/tools/misc/premake { };
+
+  premake = premake4;
+
+  pstack = callPackage ../development/tools/misc/gdb/pstack.nix { };
+
+  radare = callPackage ../development/tools/analysis/radare {
+    inherit (gnome) vte;
+    lua = lua5;
+    useX11 = config.radare.useX11 or false;
+    pythonBindings = config.radare.pythonBindings or false;
+    rubyBindings = config.radare.rubyBindings or false;
+    luaBindings = config.radare.luaBindings or false;
+  };
+
+  ragel = callPackage ../development/tools/parsing/ragel { };
+
+  re2c = callPackage ../development/tools/parsing/re2c { };
+
+  remake = callPackage ../development/tools/build-managers/remake { };
+
+  saleae-logic = callPackage ../development/tools/misc/saleae-logic { };
+
+  # couldn't find the source yet
+  seleniumRCBin = callPackage ../development/tools/selenium/remote-control {
+    jre = jdk;
+  };
+
+  selenium-server-standalone = callPackage ../development/tools/selenium/server { };
+
+  scons = callPackage ../development/tools/build-managers/scons { };
+
+  simpleBuildTool = callPackage ../development/tools/build-managers/simple-build-tool { };
+
+  sigrok-cli = callPackage ../development/tools/sigrok-cli { };
+
+  slimerjs = callPackage ../development/tools/slimerjs {};
+
+  sloccount = callPackage ../development/tools/misc/sloccount { };
+
+  smatch = callPackage ../development/tools/analysis/smatch {
+    buildllvmsparse = false;
+    buildc2xml = false;
+  };
+
+  smc = callPackage ../tools/misc/smc { };
+
+  sparse = callPackage ../development/tools/analysis/sparse { };
+
+  speedtest_cli = callPackage ../tools/networking/speedtest-cli { };
+
+  spin = callPackage ../development/tools/analysis/spin { };
+
+  splint = callPackage ../development/tools/analysis/splint {
+    flex = flex_2_5_35;
+  };
+
+  stm32flash = callPackage ../development/tools/misc/stm32flash { };
+
+  strace = callPackage ../development/tools/misc/strace { };
+
+  swig = callPackage ../development/tools/misc/swig { };
+
+  swig2 = callPackage ../development/tools/misc/swig/2.x.nix { };
+
+  swig3 = callPackage ../development/tools/misc/swig/3.x.nix { };
+
+  swigWithJava = swig;
+
+  swfmill = callPackage ../tools/video/swfmill { };
+
+  swftools = callPackage ../tools/video/swftools { };
+
+  tcptrack = callPackage ../development/tools/misc/tcptrack { };
+
+  teensy-loader = callPackage ../development/tools/misc/teensy { };
+
+  texinfo413 = callPackage ../development/tools/misc/texinfo/4.13a.nix { };
+  texinfo5 = callPackage ../development/tools/misc/texinfo/5.2.nix { };
+  texinfo4 = texinfo413;
+  texinfo = texinfo5;
+  texinfoInteractive = appendToName "interactive" (
+    texinfo.override { interactive = true; }
+  );
+
+  texi2html = callPackage ../development/tools/misc/texi2html { };
+
+  uhd = callPackage ../development/tools/misc/uhd { };
+
+  uisp = callPackage ../development/tools/misc/uisp { };
+
+  uncrustify = callPackage ../development/tools/misc/uncrustify { };
+
+  vagrant = callPackage ../development/tools/vagrant {
+    ruby = ruby2;
+  };
+
+  gdb = callPackage ../development/tools/misc/gdb {
+    hurd = gnu.hurdCross;
+    readline = readline63;
+    inherit (gnu) mig;
+  };
+
+  gdbCross = lowPrio (callPackage ../development/tools/misc/gdb {
+    target = crossSystem;
+  });
+
+  valgrind = callPackage ../development/tools/analysis/valgrind {
+    stdenv =
+      # On Darwin, Valgrind 3.7.0 expects Apple's GCC (for
+      # `__private_extern'.)
+      if stdenv.isDarwin
+      then overrideGCC stdenv gccApple
+      else stdenv;
+  };
+
+  valkyrie = callPackage ../development/tools/analysis/valkyrie { };
+
+  xc3sprog = callPackage ../development/tools/misc/xc3sprog { };
+
+  xmlindent = callPackage ../development/web/xmlindent {};
+
+  xpwn = callPackage ../development/mobile/xpwn {};
+
+  xxdiff = callPackage ../development/tools/misc/xxdiff {
+    bison = bison2;
+  };
+
+  yacc = bison;
+
+  yodl = callPackage ../development/tools/misc/yodl { };
+
+
+  ### DEVELOPMENT / LIBRARIES
+
+  a52dec = callPackage ../development/libraries/a52dec { };
+
+  aacskeys = callPackage ../development/libraries/aacskeys { };
+
+  aalib = callPackage ../development/libraries/aalib { };
+
+  accountsservice = callPackage ../development/libraries/accountsservice { };
+
+  acl = callPackage ../development/libraries/acl { };
+
+  activemq = callPackage ../development/libraries/apache-activemq { };
+
+  adns = callPackage ../development/libraries/adns { };
+
+  afflib = callPackage ../development/libraries/afflib {};
+
+  agg = callPackage ../development/libraries/agg { };
+
+  allegro = callPackage ../development/libraries/allegro {};
+  allegro5 = callPackage ../development/libraries/allegro/5.nix {};
+  allegro5unstable = callPackage
+    ../development/libraries/allegro/5-unstable.nix {};
+
+  amrnb = callPackage ../development/libraries/amrnb { };
+
+  amrwb = callPackage ../development/libraries/amrwb { };
+
+  apr = callPackage ../development/libraries/apr { };
+
+  aprutil = callPackage ../development/libraries/apr-util {
+    bdbSupport = true;
+  };
+
+  asio = callPackage ../development/libraries/asio { };
+
+  aspell = callPackage ../development/libraries/aspell { };
+
+  aspellDicts = recurseIntoAttrs (import ../development/libraries/aspell/dictionaries.nix {
+    inherit fetchurl stdenv aspell which;
+  });
+
+  aterm = aterm25;
+
+  aterm25 = callPackage ../development/libraries/aterm/2.5.nix { };
+
+  aterm28 = lowPrio (callPackage ../development/libraries/aterm/2.8.nix { });
+
+  attica = callPackage ../development/libraries/attica { };
+
+  attr = callPackage ../development/libraries/attr { };
+
+  at_spi2_core = callPackage ../development/libraries/at-spi2-core { };
+
+  at_spi2_atk = callPackage ../development/libraries/at-spi2-atk { };
+
+  aqbanking = callPackage ../development/libraries/aqbanking { };
+
+  aubio = callPackage ../development/libraries/aubio { };
+
+  audiofile = callPackage ../development/libraries/audiofile { };
+
+  axis = callPackage ../development/libraries/axis { };
+
+  babl_0_0_22 = callPackage ../development/libraries/babl/0_0_22.nix { };
+
+  babl = callPackage ../development/libraries/babl { };
+
+  beecrypt = callPackage ../development/libraries/beecrypt { };
+
+  boehmgc = callPackage ../development/libraries/boehm-gc { };
+
+  boolstuff = callPackage ../development/libraries/boolstuff { };
+
+  boost144 = callPackage ../development/libraries/boost/1.44.nix { };
+  boost149 = callPackage ../development/libraries/boost/1.49.nix { };
+  boost155 = callPackage ../development/libraries/boost/1.55.nix { };
+  boost = boost155;
+
+  boostHeaders = callPackage ../development/libraries/boost/header-only-wrapper.nix { };
+
+  botan = callPackage ../development/libraries/botan { };
+  botanUnstable = callPackage ../development/libraries/botan/unstable.nix { };
+
+  box2d = callPackage ../development/libraries/box2d { };
+  box2d_2_0_1 = callPackage ../development/libraries/box2d/2.0.1.nix { };
+
+  buddy = callPackage ../development/libraries/buddy { };
+
+  bwidget = callPackage ../development/libraries/bwidget { };
+
+  c-ares = callPackage ../development/libraries/c-ares {
+    fetchurl = fetchurlBoot;
+  };
+
+  caelum = callPackage ../development/libraries/caelum { };
+
+  capnproto = callPackage ../development/libraries/capnproto { };
+
+  scmccid = callPackage ../development/libraries/scmccid { };
+
+  ccrtp = callPackage ../development/libraries/ccrtp { };
+  ccrtp_1_8 = callPackage ../development/libraries/ccrtp/1.8.nix { };
+
+  celt = callPackage ../development/libraries/celt {};
+  celt_0_7 = callPackage ../development/libraries/celt/0.7.nix {};
+  celt_0_5_1 = callPackage ../development/libraries/celt/0.5.1.nix {};
+
+  cgal = callPackage ../development/libraries/CGAL {};
+
+  cgui = callPackage ../development/libraries/cgui {};
+
+  check = callPackage ../development/libraries/check { };
+
+  chipmunk = builderDefsPackage (import ../development/libraries/chipmunk) {
+    inherit cmake freeglut mesa;
+    inherit (xlibs) libX11 xproto inputproto libXi libXmu;
+  };
+
+  chmlib = callPackage ../development/libraries/chmlib { };
+
+  chromaprint = callPackage ../development/libraries/chromaprint { };
+
+  cil = callPackage ../development/libraries/cil { };
+
+  cilaterm = callPackage ../development/libraries/cil-aterm {
+    stdenv = overrideInStdenv stdenv [gnumake380];
+  };
+
+  clanlib = callPackage ../development/libraries/clanlib { };
+
+  classads = callPackage ../development/libraries/classads { };
+
+  classpath = callPackage ../development/libraries/java/classpath {
+    javac = gcj;
+    jvm = gcj;
+    gconf = gnome.GConf;
+  };
+
+  clearsilver = callPackage ../development/libraries/clearsilver { };
+
+  cln = callPackage ../development/libraries/cln { };
+
+  clppcre = builderDefsPackage (import ../development/libraries/cl-ppcre) { };
+
+  clucene_core_2 = callPackage ../development/libraries/clucene-core/2.x.nix { };
+
+  clucene_core_1 = callPackage ../development/libraries/clucene-core { };
+
+  clucene_core = clucene_core_1;
+
+  clutter = callPackage ../development/libraries/clutter { };
+
+  clutter_1_18 = callPackage ../development/libraries/clutter/1.18.nix {
+    cogl = cogl_1_18;
+  };
+
+  clutter-gst = callPackage ../development/libraries/clutter-gst { };
+
+  clutter_gtk = callPackage ../development/libraries/clutter-gtk { };
+  clutter_gtk_0_10 = callPackage ../development/libraries/clutter-gtk/0.10.8.nix { };
+
+  cminpack = callPackage ../development/libraries/cminpack { };
+
+  cogl = callPackage ../development/libraries/cogl { };
+
+  cogl_1_18 = callPackage ../development/libraries/cogl/1.18.nix { };
+
+  coin3d = callPackage ../development/libraries/coin3d { };
+
+  commoncpp2 = callPackage ../development/libraries/commoncpp2 { };
+
+  confuse = callPackage ../development/libraries/confuse { };
+
+  coredumper = callPackage ../development/libraries/coredumper { };
+
+  ctl = callPackage ../development/libraries/ctl { };
+
+  cpp-netlib = callPackage ../development/libraries/cpp-netlib { };
+
+  cppunit = callPackage ../development/libraries/cppunit { };
+
+  cppnetlib = callPackage ../development/libraries/cppnetlib {
+    boost = boostHeaders;
+  };
+
+  cracklib = callPackage ../development/libraries/cracklib { };
+
+  cryptopp = callPackage ../development/libraries/crypto++ { };
+
+  cyrus_sasl = callPackage ../development/libraries/cyrus-sasl { };
+
+  # Make bdb5 the default as it is the last release under the custom
+  # bsd-like license
+  db = db5;
+  db4 = db48;
+  db44 = callPackage ../development/libraries/db/db-4.4.nix { };
+  db45 = callPackage ../development/libraries/db/db-4.5.nix { };
+  db47 = callPackage ../development/libraries/db/db-4.7.nix { };
+  db48 = callPackage ../development/libraries/db/db-4.8.nix { };
+  db5 = db53;
+  db53 = callPackage ../development/libraries/db/db-5.3.nix { };
+  db6 = db60;
+  db60 = callPackage ../development/libraries/db/db-6.0.nix { };
+
+  dbus = callPackage ../development/libraries/dbus { };
+  dbus_cplusplus  = callPackage ../development/libraries/dbus-cplusplus { };
+  dbus_glib       = callPackage ../development/libraries/dbus-glib { };
+  dbus_java       = callPackage ../development/libraries/java/dbus-java { };
+  dbus_python     = callPackage ../development/python-modules/dbus { };
+
+  # Should we deprecate these? Currently there are many references.
+  dbus_tools = pkgs.dbus.tools;
+  dbus_libs = pkgs.dbus.libs;
+  dbus_daemon = pkgs.dbus.daemon;
+
+  dhex = callPackage ../applications/editors/dhex { };
+
+  dclib = callPackage ../development/libraries/dclib { };
+
+  dillo = callPackage ../applications/networking/browsers/dillo {
+    fltk = fltk13;
+  };
+
+  directfb = callPackage ../development/libraries/directfb { };
+
+  dotconf = callPackage ../development/libraries/dotconf { };
+
+  dssi = callPackage ../development/libraries/dssi {};
+
+  dragonegg = llvmPackages.dragonegg;
+
+  dxflib = callPackage ../development/libraries/dxflib {};
+
+  eigen = callPackage ../development/libraries/eigen {};
+
+  eigen2 = callPackage ../development/libraries/eigen/2.0.nix {};
+
+  enchant = callPackage ../development/libraries/enchant { };
+
+  enet = callPackage ../development/libraries/enet { };
+
+  enginepkcs11 = callPackage ../development/libraries/enginepkcs11 { };
+
+  epoxy = callPackage ../development/libraries/epoxy {
+    inherit (xorg) utilmacros libX11;
+  };
+
+  esdl = callPackage ../development/libraries/esdl { };
+
+  exiv2 = callPackage ../development/libraries/exiv2 { };
+
+  expat = callPackage ../development/libraries/expat { };
+
+  extremetuxracer = builderDefsPackage (import ../games/extremetuxracer) {
+    inherit mesa tcl freeglut SDL SDL_mixer pkgconfig
+      gettext intltool;
+    inherit (xlibs) libX11 xproto libXi inputproto
+      libXmu libXext xextproto libXt libSM libICE;
+    libpng = libpng12;
+  };
+
+  eventlog = callPackage ../development/libraries/eventlog { };
+
+  facile = callPackage ../development/libraries/facile { };
+
+  faac = callPackage ../development/libraries/faac { };
+
+  faad2 = callPackage ../development/libraries/faad2 { };
+
+  farsight2 = callPackage ../development/libraries/farsight2 { };
+
+  farstream = callPackage ../development/libraries/farstream {
+    inherit (gst_all_1)
+      gstreamer gst-plugins-base gst-python gst-plugins-good gst-plugins-bad
+      gst-libav;
+  };
+
+  fcgi = callPackage ../development/libraries/fcgi { };
+
+  ffmpeg_0_6 = callPackage ../development/libraries/ffmpeg/0.6.nix {
+    vpxSupport = !stdenv.isMips;
+  };
+
+  ffmpeg_0_6_90 = callPackage ../development/libraries/ffmpeg/0.6.90.nix {
+    vpxSupport = !stdenv.isMips;
+  };
+
+  ffmpeg_0_10 = callPackage ../development/libraries/ffmpeg/0.10.nix {
+    vpxSupport = !stdenv.isMips;
+
+    stdenv = if stdenv.isDarwin
+      then overrideGCC stdenv gccApple
+      else stdenv;
+  };
+
+  ffmpeg_1 = callPackage ../development/libraries/ffmpeg/1.x.nix {
+    vpxSupport = !stdenv.isMips;
+  };
+
+  ffmpeg_2 = callPackage ../development/libraries/ffmpeg/2.x.nix { };
+
+  ffmpeg = ffmpeg_2;
+
+  ffms = callPackage ../development/libraries/ffms { };
+
+  fftw = callPackage ../development/libraries/fftw { };
+  fftwSinglePrec = fftw.override { precision = "single"; };
+  fftwFloat = fftwSinglePrec; # the configure option is just an alias
+
+  flann = callPackage ../development/libraries/flann { };
+
+  flite = callPackage ../development/libraries/flite { };
+
+  fltk13 = callPackage ../development/libraries/fltk/fltk13.nix { };
+
+  fltk20 = callPackage ../development/libraries/fltk { };
+
+  fmod = callPackage ../development/libraries/fmod { };
+
+  freeimage = callPackage ../development/libraries/freeimage { };
+
+  freetts = callPackage ../development/libraries/freetts { };
+
+  cfitsio = callPackage ../development/libraries/cfitsio { };
+
+  fontconfig = callPackage ../development/libraries/fontconfig { };
+
+  makeFontsConf = let fontconfig_ = fontconfig; in {fontconfig ? fontconfig_, fontDirectories}:
+    import ../development/libraries/fontconfig/make-fonts-conf.nix {
+      inherit runCommand libxslt fontconfig fontDirectories;
+    };
+
+  freealut = callPackage ../development/libraries/freealut { };
+
+  freeglut = callPackage ../development/libraries/freeglut { };
+
+  freetype = callPackage ../development/libraries/freetype { };
+
+  frei0r = callPackage ../development/libraries/frei0r { };
+
+  fribidi = callPackage ../development/libraries/fribidi { };
+
+  funambol = callPackage ../development/libraries/funambol { };
+
+  fam = gamin;
+
+  gamin = callPackage ../development/libraries/gamin { };
+
+  ganv = callPackage ../development/libraries/ganv { };
+
+  gav = callPackage ../games/gav { };
+
+  gsb = callPackage ../games/gsb { };
+
+  gdome2 = callPackage ../development/libraries/gdome2 {
+    inherit (gnome) gtkdoc;
+  };
+
+  gdbm = callPackage ../development/libraries/gdbm { };
+
+  gegl = callPackage ../development/libraries/gegl {
+    #  avocodec avformat librsvg
+  };
+
+  gegl_0_0_22 = callPackage ../development/libraries/gegl/0_0_22.nix {
+    #  avocodec avformat librsvg
+    libpng = libpng12;
+  };
+
+  geoclue = callPackage ../development/libraries/geoclue {};
+
+  geoclue2 = callPackage ../development/libraries/geoclue/2.0.nix {};
+
+  geoip = callPackage ../development/libraries/geoip { };
+
+  geoipjava = callPackage ../development/libraries/java/geoipjava { };
+
+  geos = callPackage ../development/libraries/geos { };
+
+  gettext = gettext_0_18;
+
+  gettext_0_17 = callPackage ../development/libraries/gettext/0.17.nix { };
+  gettext_0_18 = callPackage ../development/libraries/gettext { };
+
+  gd = callPackage ../development/libraries/gd { };
+
+  gdal = callPackage ../development/libraries/gdal { };
+
+  ggz_base_libs = callPackage ../development/libraries/ggz_base_libs {};
+
+  giblib = callPackage ../development/libraries/giblib { };
+
+  libgit2 = callPackage ../development/libraries/git2 { };
+
+  glew = callPackage ../development/libraries/glew { };
+
+  glfw = glfw3;
+  glfw2 = callPackage ../development/libraries/glfw/2.x.nix { };
+  glfw3 = callPackage ../development/libraries/glfw/3.x.nix { };
+
+  glibc = callPackage ../development/libraries/glibc/2.19 {
+    kernelHeaders = linuxHeaders;
+    installLocales = config.glibc.locales or false;
+    machHeaders = null;
+    hurdHeaders = null;
+    gccCross = null;
+  };
+
+  glibc_memusage = callPackage ../development/libraries/glibc/2.19 {
+    kernelHeaders = linuxHeaders;
+    installLocales = false;
+    withGd = true;
+  };
+
+  glibcCross = forceNativeDrv (makeOverridable (import ../development/libraries/glibc/2.19)
+    (let crossGNU = crossSystem != null && crossSystem.config == "i586-pc-gnu";
+     in {
+       inherit stdenv fetchurl;
+       gccCross = gccCrossStageStatic;
+       kernelHeaders = if crossGNU then gnu.hurdHeaders else linuxHeadersCross;
+       installLocales = config.glibc.locales or false;
+     }
+     // lib.optionalAttrs crossGNU {
+        inherit (gnu) machHeaders hurdHeaders libpthreadHeaders mig;
+        inherit fetchgit;
+      }));
+
+
+  # We can choose:
+  libcCrossChooser = name : if name == "glibc" then glibcCross
+    else if name == "uclibc" then uclibcCross
+    else if name == "msvcrt" then windows.mingw_w64
+    else if name == "libSystem" then darwin.xcode
+    else throw "Unknown libc";
+
+  libcCross = assert crossSystem != null; libcCrossChooser crossSystem.libc;
+
+  eglibc = callPackage ../development/libraries/eglibc {
+    kernelHeaders = linuxHeaders;
+    installLocales = config.glibc.locales or false;
+  };
+
+  glibcLocales = callPackage ../development/libraries/glibc/2.19/locales.nix { };
+
+  glibcInfo = callPackage ../development/libraries/glibc/2.19/info.nix { };
+
+  glibc_multi =
+    runCommand "${glibc.name}-multi"
+      { glibc64 = glibc;
+        glibc32 = (import ./all-packages.nix {system = "i686-linux";}).glibc;
+      }
+      ''
+        mkdir -p $out
+        ln -s $glibc64/* $out/
+
+        rm $out/lib $out/lib64
+        mkdir -p $out/lib
+        ln -s $glibc64/lib/* $out/lib
+        ln -s $glibc32/lib $out/lib/32
+        ln -s lib $out/lib64
+
+        # fixing ldd RLTDLIST
+        rm $out/bin
+        cp -rs $glibc64/bin $out
+        chmod u+w $out/bin
+        rm $out/bin/ldd
+        sed -e "s|^RTLDLIST=.*$|RTLDLIST=\"$out/lib/ld-2.19.so $out/lib/32/ld-linux.so.2\"|g" \
+            $glibc64/bin/ldd > $out/bin/ldd
+        chmod 555 $out/bin/ldd
+
+        rm $out/include
+        cp -rs $glibc32/include $out
+        chmod -R u+w $out/include
+        cp -rsf $glibc64/include $out
+      '' # */
+      ;
+
+  glm = callPackage ../development/libraries/glm { };
+
+  glog = callPackage ../development/libraries/glog { };
+
+  gloox = callPackage ../development/libraries/gloox { };
+
+  glpk = callPackage ../development/libraries/glpk { };
+
+  glsurf = callPackage ../applications/science/math/glsurf {
+    inherit (ocamlPackages) lablgl findlib camlimages ocaml_mysql mlgmp;
+    libpng = libpng12;
+    giflib = giflib_4_1;
+  };
+
+  gmime = callPackage ../development/libraries/gmime { };
+
+  gmm = callPackage ../development/libraries/gmm { };
+
+  gmp = gmp5;
+  gmp5 = gmp51;
+
+  gmpxx = appendToName "with-cxx" (gmp.override { cxx = true; });
+
+  # The GHC bootstrap binaries link against libgmp.so.3, which is in GMP 4.x.
+  gmp4 = callPackage ../development/libraries/gmp/4.3.2.nix { };
+
+  gmp51 = callPackage ../development/libraries/gmp/5.1.x.nix { };
+
+  #GMP ex-satellite, so better keep it near gmp
+  mpfr = callPackage ../development/libraries/mpfr/default.nix { };
+
+  gobjectIntrospection = callPackage ../development/libraries/gobject-introspection { };
+
+  goocanvas = callPackage ../development/libraries/goocanvas { };
+
+  google-gflags = callPackage ../development/libraries/google-gflags { };
+
+  gperftools = callPackage ../development/libraries/gperftools { };
+
+  gst_all_1 = recurseIntoAttrs(callPackage ../development/libraries/gstreamer {
+    callPackage = pkgs.newScope (pkgs // { libav = pkgs.libav_10; });
+  });
+
+  gst_all = {
+    inherit (pkgs) gstreamer gnonlin gst_python qt_gstreamer;
+    gstPluginsBase = pkgs.gst_plugins_base;
+    gstPluginsBad = pkgs.gst_plugins_bad;
+    gstPluginsGood = pkgs.gst_plugins_good;
+    gstPluginsUgly = pkgs.gst_plugins_ugly;
+    gstFfmpeg = pkgs.gst_ffmpeg;
+  };
+
+  gstreamer = callPackage ../development/libraries/gstreamer/legacy/gstreamer {
+    bison = bison2;
+  };
+
+  gst_plugins_base = callPackage ../development/libraries/gstreamer/legacy/gst-plugins-base {};
+
+  gst_plugins_good = callPackage ../development/libraries/gstreamer/legacy/gst-plugins-good {};
+
+  gst_plugins_bad = callPackage ../development/libraries/gstreamer/legacy/gst-plugins-bad {};
+
+  gst_plugins_ugly = callPackage ../development/libraries/gstreamer/legacy/gst-plugins-ugly {};
+
+  gst_ffmpeg = callPackage ../development/libraries/gstreamer/legacy/gst-ffmpeg {
+    ffmpeg = ffmpeg_0_10;
+  };
+
+  gst_python = callPackage ../development/libraries/gstreamer/legacy/gst-python {};
+
+  gstreamermm = callPackage ../development/libraries/gstreamer/legacy/gstreamermm { };
+
+  gnonlin = callPackage ../development/libraries/gstreamer/legacy/gnonlin {};
+
+  gusb = callPackage ../development/libraries/gusb {
+    inherit (gnome) gtkdoc;
+  };
+
+  qt_gstreamer = callPackage ../development/libraries/gstreamer/legacy/qt-gstreamer {};
+
+  gnet = callPackage ../development/libraries/gnet { };
+
+  gnu-efi = callPackage ../development/libraries/gnu-efi { };
+
+  gnutls = gnutls32;
+
+  gnutls31 = callPackage ../development/libraries/gnutls/3.1.nix {
+    guileBindings = config.gnutls.guile or false;
+  };
+
+  gnutls32 = callPackage ../development/libraries/gnutls/3.2.nix {
+    guileBindings = config.gnutls.guile or false;
+  };
+
+  gnutls_with_guile = lowPrio (gnutls.override { guileBindings = true; });
+
+  gpac = callPackage ../applications/video/gpac { };
+
+  gpgme = callPackage ../development/libraries/gpgme {
+    gnupg1 = gnupg1orig;
+  };
+
+  grantlee = callPackage ../development/libraries/grantlee { };
+
+  gsasl = callPackage ../development/libraries/gsasl { };
+
+  gsl = callPackage ../development/libraries/gsl { };
+
+  gsm = callPackage ../development/libraries/gsm {};
+
+  gsoap = callPackage ../development/libraries/gsoap { };
+
+  gss = callPackage ../development/libraries/gss { };
+
+  gtkimageview = callPackage ../development/libraries/gtkimageview { };
+
+  gtkmathview = callPackage ../development/libraries/gtkmathview { };
+
+  gtkLibs = {
+    inherit (pkgs) glib glibmm atk atkmm cairo pango pangomm gdk_pixbuf gtk
+      gtkmm;
+  };
+
+  glib = callPackage ../development/libraries/glib { };
+  glib-tested = glib.override { doCheck = true; }; # checked version separate to break cycles
+  glibmm = callPackage ../development/libraries/glibmm { };
+
+  glib_networking = callPackage ../development/libraries/glib-networking {};
+
+  atk = callPackage ../development/libraries/atk { };
+  atkmm = callPackage ../development/libraries/atkmm { };
+
+  pixman = callPackage ../development/libraries/pixman { };
+
+  cairo = callPackage ../development/libraries/cairo {
+    glSupport = config.cairo.gl or (stdenv.isLinux &&
+      !stdenv.isArm && !stdenv.isMips);
+  };
+  cairomm = callPackage ../development/libraries/cairomm { };
+
+  pango = callPackage ../development/libraries/pango { };
+  pangomm = callPackage ../development/libraries/pangomm { };
+
+  pangox_compat = callPackage ../development/libraries/pangox-compat { };
+
+  gdk_pixbuf = callPackage ../development/libraries/gdk-pixbuf {
+    # workaround signal 10 in gdk_pixbuf tests
+    stdenv = if stdenv.isDarwin
+      then clangStdenv
+      else stdenv;
+  };
+
+  gtk2 = callPackage ../development/libraries/gtk+/2.x.nix {
+    cupsSupport = config.gtk2.cups or stdenv.isLinux;
+  };
+
+  gtk3 = callPackage ../development/libraries/gtk+/3.x.nix { };
+
+  gtk = pkgs.gtk2;
+
+  gtkmm = callPackage ../development/libraries/gtkmm/2.x.nix { };
+  gtkmm3 = callPackage ../development/libraries/gtkmm/3.x.nix { };
+
+  gtkmozembedsharp = callPackage ../development/libraries/gtkmozembed-sharp {
+    gtksharp = gtksharp2;
+  };
+
+  gtksharp1 = callPackage ../development/libraries/gtk-sharp-1 {
+    inherit (gnome) libglade libgtkhtml gtkhtml
+              libgnomecanvas libgnomeui libgnomeprint
+              libgnomeprintui GConf;
+  };
+
+  gtksharp2 = callPackage ../development/libraries/gtk-sharp-2 {
+    inherit (gnome) libglade libgtkhtml gtkhtml
+              libgnomecanvas libgnomeui libgnomeprint
+              libgnomeprintui GConf gnomepanel;
+  };
+
+  gtksourceviewsharp = callPackage ../development/libraries/gtksourceview-sharp {
+    inherit (gnome) gtksourceview;
+    gtksharp = gtksharp2;
+  };
+
+  gtkspell = callPackage ../development/libraries/gtkspell { };
+
+  gtkspell3 = callPackage ../development/libraries/gtkspell/3.nix { };
+
+  gts = callPackage ../development/libraries/gts { };
+
+  gvfs = callPackage ../development/libraries/gvfs { gconf = gnome.GConf; };
+
+  gwenhywfar = callPackage ../development/libraries/gwenhywfar { };
+
+  hamlib = callPackage ../development/libraries/hamlib { };
+
+  # TODO : Add MIT Kerberos and let admin choose.
+  kerberos = heimdal;
+
+  heimdal = callPackage ../development/libraries/kerberos/heimdal.nix { };
+
+  harfbuzz = callPackage ../development/libraries/harfbuzz { };
+
+  hawknl = callPackage ../development/libraries/hawknl { };
+
+  herqq = callPackage ../development/libraries/herqq { };
+
+  hspell = callPackage ../development/libraries/hspell { };
+
+  hspellDicts = callPackage ../development/libraries/hspell/dicts.nix { };
+
+  hsqldb = callPackage ../development/libraries/java/hsqldb { };
+
+  http-parser = callPackage ../development/libraries/http-parser { inherit (pythonPackages) gyp; };
+
+  hunspell = callPackage ../development/libraries/hunspell { };
+
+  hwloc = callPackage ../development/libraries/hwloc {
+    inherit (xlibs) libX11;
+  };
+
+  hydraAntLogger = callPackage ../development/libraries/java/hydra-ant-logger { };
+
+  icu = callPackage ../development/libraries/icu { };
+
+  id3lib = callPackage ../development/libraries/id3lib { };
+
+  iksemel = callPackage ../development/libraries/iksemel { };
+
+  ilbc = callPackage ../development/libraries/ilbc { };
+
+  ilixi = callPackage ../development/libraries/ilixi { };
+
+  ilmbase = callPackage ../development/libraries/ilmbase { };
+
+  imlib = callPackage ../development/libraries/imlib {
+    libpng = libpng12;
+  };
+
+  imlib2 = callPackage ../development/libraries/imlib2 { };
+
+  incrtcl = callPackage ../development/libraries/incrtcl { };
+
+  indilib = callPackage ../development/libraries/indilib { };
+
+  iniparser = callPackage ../development/libraries/iniparser { };
+
+  intltool = callPackage ../development/tools/misc/intltool { };
+
+  irrlicht3843 = callPackage ../development/libraries/irrlicht { };
+
+  isocodes = callPackage ../development/libraries/iso-codes { };
+
+  itk = callPackage ../development/libraries/itk { };
+
+  jamp = builderDefsPackage ../games/jamp {
+    inherit mesa SDL SDL_image SDL_mixer;
+  };
+
+  jasper = callPackage ../development/libraries/jasper { };
+
+  jama = callPackage ../development/libraries/jama { };
+
+  jansson = callPackage ../development/libraries/jansson { };
+
+  jbig2dec = callPackage ../development/libraries/jbig2dec { };
+
+  jetty_gwt = callPackage ../development/libraries/java/jetty-gwt { };
+
+  jetty_util = callPackage ../development/libraries/java/jetty-util { };
+
+  json_glib = callPackage ../development/libraries/json-glib { };
+
+  json-c-0-11 = callPackage ../development/libraries/json-c/0.11.nix { }; # vulnerable
+  json_c = callPackage ../development/libraries/json-c { };
+
+  jsoncpp = callPackage ../development/libraries/jsoncpp { };
+
+  libjson = callPackage ../development/libraries/libjson { };
+
+  judy = callPackage ../development/libraries/judy { };
+
+  keybinder = callPackage ../development/libraries/keybinder {
+    automake = automake111x;
+    lua = lua5_1;
+  };
+
+  keybinder3 = callPackage ../development/libraries/keybinder3 {
+    automake = automake111x;
+    lua = lua5_1;
+  };
+
+  krb5 = callPackage ../development/libraries/kerberos/krb5.nix { };
+
+  lcms = lcms1;
+
+  lcms1 = callPackage ../development/libraries/lcms { };
+
+  lcms2 = callPackage ../development/libraries/lcms2 { };
+
+  lensfun = callPackage ../development/libraries/lensfun { };
+
+  lesstif = callPackage ../development/libraries/lesstif { };
+
+  lesstif93 = callPackage ../development/libraries/lesstif-0.93 { };
+
+  leveldb = callPackage ../development/libraries/leveldb { };
+
+  levmar = callPackage ../development/libraries/levmar { };
+
+  leptonica = callPackage ../development/libraries/leptonica {
+    libpng = libpng12;
+  };
+
+  lgi = callPackage ../development/libraries/lgi {
+    lua = lua5_1;
+  };
+
+  lib3ds = callPackage ../development/libraries/lib3ds { };
+
+  libaacs = callPackage ../development/libraries/libaacs { };
+
+  libaal = callPackage ../development/libraries/libaal { };
+
+  libao = callPackage ../development/libraries/libao {
+    usePulseAudio = config.pulseaudio or true;
+  };
+
+  libarchive = callPackage ../development/libraries/libarchive { };
+
+  libass = callPackage ../development/libraries/libass { };
+
+  libassuan1 = callPackage ../development/libraries/libassuan1 { };
+
+  libassuan = callPackage ../development/libraries/libassuan { };
+
+  libassuan2_1 = callPackage ../development/libraries/libassuan/git.nix { };
+
+  libatomic_ops = callPackage ../development/libraries/libatomic_ops {};
+
+  libav = libav_10;
+  libav_all = callPackage ../development/libraries/libav { };
+  inherit (libav_all) libav_0_8 libav_9 libav_10;
+
+  libavc1394 = callPackage ../development/libraries/libavc1394 { };
+
+  libbluedevil = callPackage ../development/libraries/libbluedevil { };
+
+  libbluray = callPackage ../development/libraries/libbluray { };
+
+  libbs2b = callPackage ../development/libraries/audio/libbs2b { };
+
+  libcaca = callPackage ../development/libraries/libcaca { };
+
+  libcanberra = callPackage ../development/libraries/libcanberra { };
+  libcanberra_gtk3 = libcanberra.override { gtk = gtk3; };
+  libcanberra_kde = if (config.kde_runtime.libcanberraWithoutGTK or true)
+    then libcanberra.override { gtk = null; }
+    else libcanberra;
+
+  libcello = callPackage ../development/libraries/libcello {};
+
+  libcdaudio = callPackage ../development/libraries/libcdaudio { };
+
+  libcddb = callPackage ../development/libraries/libcddb { };
+
+  libcdio = callPackage ../development/libraries/libcdio { };
+  libcdio082 = callPackage ../development/libraries/libcdio/0.82.nix { };
+
+  libcdr = callPackage ../development/libraries/libcdr { lcms = lcms2; };
+
+  libchamplain = callPackage ../development/libraries/libchamplain {
+    inherit (gnome) libsoup;
+  };
+
+  libchamplain_0_6 = callPackage ../development/libraries/libchamplain/0.6.nix {};
+
+  libchop = callPackage ../development/libraries/libchop { };
+
+  libcm = callPackage ../development/libraries/libcm { };
+
+  inherit (gnome3) libcroco;
+
+  libcangjie = callPackage ../development/libraries/libcangjie { };
+
+  libcredis = callPackage ../development/libraries/libcredis { };
+
+  libctemplate = callPackage ../development/libraries/libctemplate { };
+
+  libcue = callPackage ../development/libraries/libcue { };
+
+  libdaemon = callPackage ../development/libraries/libdaemon { };
+
+  libdbi = callPackage ../development/libraries/libdbi { };
+
+  libdbiDriversBase = callPackage ../development/libraries/libdbi-drivers {
+    mysql = null;
+    sqlite = null;
+  };
+
+  libdbiDrivers = libdbiDriversBase.override {
+    inherit sqlite mysql;
+  };
+
+  libdbusmenu_qt = callPackage ../development/libraries/libdbusmenu-qt { };
+
+  libdc1394 = callPackage ../development/libraries/libdc1394 { };
+
+  libdc1394avt = callPackage ../development/libraries/libdc1394avt { };
+
+  libdevil = callPackage ../development/libraries/libdevil { };
+
+  libdiscid = callPackage ../development/libraries/libdiscid { };
+
+  libdivsufsort = callPackage ../development/libraries/libdivsufsort { };
+
+  libdmtx = callPackage ../development/libraries/libdmtx { };
+
+  libdnet = callPackage ../development/libraries/libdnet { };
+
+  libdrm = callPackage ../development/libraries/libdrm {
+    inherit fetchurl stdenv pkgconfig;
+    inherit (xorg) libpthreadstubs;
+  };
+
+  libdv = callPackage ../development/libraries/libdv { };
+
+  libdvbpsi = callPackage ../development/libraries/libdvbpsi { };
+
+  libdwg = callPackage ../development/libraries/libdwg { };
+
+  libdvdcss = callPackage ../development/libraries/libdvdcss { };
+
+  libdvdnav = callPackage ../development/libraries/libdvdnav { };
+
+  libdvdread = callPackage ../development/libraries/libdvdread { };
+
+  libdwarf = callPackage ../development/libraries/libdwarf { };
+
+  libeatmydata = callPackage ../development/libraries/libeatmydata { };
+
+  libebml = callPackage ../development/libraries/libebml { };
+
+  libedit = callPackage ../development/libraries/libedit { };
+
+  libelf = callPackage ../development/libraries/libelf { };
+
+  libfm = callPackage ../development/libraries/libfm { };
+
+  libgadu = callPackage ../development/libraries/libgadu { };
+
+  libgdata = gnome3.libgdata;
+
+  libgig = callPackage ../development/libraries/libgig { };
+
+  libgnome_keyring = callPackage ../development/libraries/libgnome-keyring { };
+  libgnome_keyring3 = gnome3.libgnome_keyring;
+
+  libgnurl = callPackage ../development/libraries/libgnurl { };
+
+  libseccomp = callPackage ../development/libraries/libseccomp { };
+
+  libsecret = callPackage ../development/libraries/libsecret { };
+
+  libserialport = callPackage ../development/libraries/libserialport { };
+
+  libgtop = callPackage ../development/libraries/libgtop {};
+
+  liblo = callPackage ../development/libraries/liblo { };
+
+  liblrdf = librdf;
+
+  liblscp = callPackage ../development/libraries/liblscp { };
+
+  libe-book = callPackage ../development/libraries/libe-book {};
+  libe-book_00 = callPackage ../development/libraries/libe-book/0.0.nix {};
+
+  libev = builderDefsPackage ../development/libraries/libev { };
+
+  libevent14 = callPackage ../development/libraries/libevent/1.4.nix { };
+  libevent = callPackage ../development/libraries/libevent { };
+
+  libewf = callPackage ../development/libraries/libewf { };
+
+  libexif = callPackage ../development/libraries/libexif { };
+
+  libexosip = callPackage ../development/libraries/exosip {};
+
+  libexosip_3 = callPackage ../development/libraries/exosip/3.x.nix {
+    libosip = libosip_3;
+  };
+
+  libextractor = callPackage ../development/libraries/libextractor {
+    libmpeg2 = mpeg2dec;
+  };
+
+  libexttextcat = callPackage ../development/libraries/libexttextcat {};
+
+  libf2c = callPackage ../development/libraries/libf2c {};
+
+  libfixposix = callPackage ../development/libraries/libfixposix {};
+
+  libffcall = builderDefsPackage (import ../development/libraries/libffcall) {
+    inherit fetchcvs;
+  };
+
+  libffi = callPackage ../development/libraries/libffi { };
+
+  libftdi = callPackage ../development/libraries/libftdi { };
+
+  libftdi1 = callPackage ../development/libraries/libftdi/1.x.nix { };
+
+  libgcrypt = callPackage ../development/libraries/libgcrypt { };
+
+  libgcrypt_1_6 = lowPrio (callPackage ../development/libraries/libgcrypt/1.6.nix { });
+
+  libgdiplus = callPackage ../development/libraries/libgdiplus { };
+
+  libgksu = callPackage ../development/libraries/libgksu { };
+
+  libgpgerror = callPackage ../development/libraries/libgpg-error { };
+
+  libgphoto2 = callPackage ../development/libraries/libgphoto2 { };
+
+  libgphoto2_4 = callPackage ../development/libraries/libgphoto2/2.4.nix { };
+
+  libgpod = callPackage ../development/libraries/libgpod {
+    inherit (pkgs.pythonPackages) mutagen;
+  };
+
+  libharu = callPackage ../development/libraries/libharu { };
+
+  libical = callPackage ../development/libraries/libical { };
+
+  libicns = callPackage ../development/libraries/libicns { };
+
+  libimobiledevice = callPackage ../development/libraries/libimobiledevice { };
+
+  libiodbc = callPackage ../development/libraries/libiodbc {
+    useGTK = config.libiodbc.gtk or false;
+  };
+
+  libivykis = callPackage ../development/libraries/libivykis { };
+
+  liblastfmSF = callPackage ../development/libraries/liblastfmSF { };
+
+  liblastfm = callPackage ../development/libraries/liblastfm { };
+
+  liblqr1 = callPackage ../development/libraries/liblqr-1 { };
+
+  liblockfile = callPackage ../development/libraries/liblockfile { };
+
+  liblogging = callPackage ../development/libraries/liblogging { };
+
+  libmcrypt = callPackage ../development/libraries/libmcrypt {};
+
+  libmhash = callPackage ../development/libraries/libmhash {};
+
+  libmodbus = callPackage ../development/libraries/libmodbus {};
+
+  libmtp = callPackage ../development/libraries/libmtp { };
+
+  libmsgpack = callPackage ../development/libraries/libmsgpack { };
+
+  libnatspec = callPackage ../development/libraries/libnatspec { };
+
+  libnfc = callPackage ../development/libraries/libnfc { };
+
+  libnfsidmap = callPackage ../development/libraries/libnfsidmap { };
+
+  libnice = callPackage ../development/libraries/libnice { };
+
+  liboping = callPackage ../development/libraries/liboping { };
+
+  libplist = callPackage ../development/libraries/libplist { };
+
+  libQGLViewer = callPackage ../development/libraries/libqglviewer { };
+
+  libre = callPackage ../development/libraries/libre {};
+  librem = callPackage ../development/libraries/librem {};
+
+  libresample = callPackage ../development/libraries/libresample {};
+
+  librevenge = callPackage ../development/libraries/librevenge {};
+
+  librevisa = callPackage ../development/libraries/librevisa { };
+
+  libsamplerate = callPackage ../development/libraries/libsamplerate { };
+
+  libspectre = callPackage ../development/libraries/libspectre { };
+
+  libgsf = callPackage ../development/libraries/libgsf { };
+
+  libiconv = callPackage ../development/libraries/libiconv { };
+
+  libiconvOrEmpty = if libiconvOrNull == null then [] else [libiconv];
+
+  libiconvOrNull =
+    if gcc.libc or null != null || stdenv.isGlibc
+    then null
+    else libiconv;
+
+  # The logic behind this attribute is broken: libiconvOrNull==null does
+  # NOT imply libiconv=glibc! On Darwin, for example, we have a native
+  # libiconv library which is not glibc.
+  libiconvOrLibc = if libiconvOrNull == null then gcc.libc else libiconv;
+
+  # On non-GNU systems we need GNU Gettext for libintl.
+  libintlOrEmpty = stdenv.lib.optional (!stdenv.isLinux) gettext;
+
+  libid3tag = callPackage ../development/libraries/libid3tag { };
+
+  libidn = callPackage ../development/libraries/libidn { };
+
+  libiec61883 = callPackage ../development/libraries/libiec61883 { };
+
+  libinfinity = callPackage ../development/libraries/libinfinity {
+    inherit (gnome) gtkdoc;
+  };
+
+  libiptcdata = callPackage ../development/libraries/libiptcdata { };
+
+  libjpeg_original = callPackage ../development/libraries/libjpeg { };
+  libjpeg_turbo = callPackage ../development/libraries/libjpeg-turbo { };
+  libjpeg = if (stdenv.isLinux) then libjpeg_turbo else libjpeg_original; # some problems, both on FreeBSD and Darwin
+
+  libjpeg62 = callPackage ../development/libraries/libjpeg/62.nix {
+    libtool = libtool_1_5;
+  };
+
+  libjson_rpc_cpp = callPackage ../development/libraries/libjson-rpc-cpp { };
+
+  libkate = callPackage ../development/libraries/libkate { };
+
+  libksba = callPackage ../development/libraries/libksba { };
+
+  libmad = callPackage ../development/libraries/libmad { };
+
+  libmatchbox = callPackage ../development/libraries/libmatchbox { };
+
+  libmatthew_java = callPackage ../development/libraries/java/libmatthew-java { };
+
+  libmatroska = callPackage ../development/libraries/libmatroska { };
+
+  libmcs = callPackage ../development/libraries/libmcs { };
+
+  libmemcached = callPackage ../development/libraries/libmemcached { };
+
+  libmicrohttpd = callPackage ../development/libraries/libmicrohttpd { };
+
+  libmikmod = callPackage ../development/libraries/libmikmod {
+    # resolve the "stray '@' in program" errors
+    stdenv = if stdenv.isDarwin
+      then overrideGCC stdenv gccApple
+      else stdenv;
+  };
+
+  libmilter = callPackage ../development/libraries/libmilter { };
+
+  libmkv = callPackage ../development/libraries/libmkv { };
+
+  libmms = callPackage ../development/libraries/libmms { };
+
+  libmowgli = callPackage ../development/libraries/libmowgli { };
+
+  libmng = callPackage ../development/libraries/libmng { };
+
+  libmnl = callPackage ../development/libraries/libmnl { };
+
+  libmodplug = callPackage ../development/libraries/libmodplug {};
+
+  libmpcdec = callPackage ../development/libraries/libmpcdec { };
+
+  libmp3splt = callPackage ../development/libraries/libmp3splt { };
+
+  libmrss = callPackage ../development/libraries/libmrss { };
+
+  libmsn = callPackage ../development/libraries/libmsn { };
+
+  libmspack = callPackage ../development/libraries/libmspack { };
+
+  libmusclecard = callPackage ../development/libraries/libmusclecard { };
+
+  libmusicbrainz2 = callPackage ../development/libraries/libmusicbrainz/2.x.nix { };
+
+  libmusicbrainz3 = callPackage ../development/libraries/libmusicbrainz { };
+
+  libmusicbrainz5 = callPackage ../development/libraries/libmusicbrainz/5.x.nix { };
+
+  libmusicbrainz = libmusicbrainz3;
+
+  libmwaw = callPackage ../development/libraries/libmwaw { };
+  libmwaw_02 = callPackage ../development/libraries/libmwaw/0.2.nix { };
+
+  libmx = callPackage ../development/libraries/libmx { };
+
+  libnet = callPackage ../development/libraries/libnet { };
+
+  libnetfilter_conntrack = callPackage ../development/libraries/libnetfilter_conntrack { };
+
+  libnetfilter_queue = callPackage ../development/libraries/libnetfilter_queue { };
+
+  libnfnetlink = callPackage ../development/libraries/libnfnetlink { };
+
+  libnftnl = callPackage ../development/libraries/libnftnl { };
+
+  libnih = callPackage ../development/libraries/libnih { };
+
+  libnova = callPackage ../development/libraries/libnova { };
+
+  libnxml = callPackage ../development/libraries/libnxml { };
+
+  libodfgen = callPackage ../development/libraries/libodfgen { };
+
+  libofa = callPackage ../development/libraries/libofa { };
+
+  libofx = callPackage ../development/libraries/libofx { };
+
+  libogg = callPackage ../development/libraries/libogg { };
+
+  liboggz = callPackage ../development/libraries/liboggz { };
+
+  liboil = callPackage ../development/libraries/liboil { };
+
+  liboop = callPackage ../development/libraries/liboop { };
+
+  libopus = callPackage ../development/libraries/libopus { };
+
+  libosinfo = callPackage ../development/libraries/libosinfo {};
+
+  libosip = callPackage ../development/libraries/osip {};
+
+  libosip_3 = callPackage ../development/libraries/osip/3.nix {};
+
+  libotr = callPackage ../development/libraries/libotr {
+    libgcrypt = libgcrypt_1_6;
+  };
+
+  libotr_3_2 = callPackage ../development/libraries/libotr/3.2.nix { };
+
+  libp11 = callPackage ../development/libraries/libp11 { };
+
+  libpar2 = callPackage ../development/libraries/libpar2 { };
+
+  libpcap = callPackage ../development/libraries/libpcap { };
+
+  libpipeline = callPackage ../development/libraries/libpipeline { };
+
+  libpng = callPackage ../development/libraries/libpng { };
+  libpng_apng = libpng.override { apngSupport = true; };
+  libpng12 = callPackage ../development/libraries/libpng/12.nix { };
+  libpng15 = callPackage ../development/libraries/libpng/15.nix { };
+
+  libpaper = callPackage ../development/libraries/libpaper { };
+
+  libproxy = callPackage ../development/libraries/libproxy {
+    stdenv = if stdenv.isDarwin
+      then overrideGCC stdenv gcc
+      else stdenv;
+  };
+
+  libpseudo = callPackage ../development/libraries/libpseudo { };
+
+  libpwquality = callPackage ../development/libraries/libpwquality { };
+
+  libqalculate = callPackage ../development/libraries/libqalculate { };
+
+  librsvg = callPackage ../development/libraries/librsvg {
+    gtk2 = null; gtk3 = null; # neither gtk version by default
+  };
+
+  librsync = callPackage ../development/libraries/librsync { };
+
+  libsearpc = callPackage ../development/libraries/libsearpc { };
+
+  libsigcxx = callPackage ../development/libraries/libsigcxx { };
+
+  libsigcxx12 = callPackage ../development/libraries/libsigcxx/1.2.nix { };
+
+  libsigsegv = callPackage ../development/libraries/libsigsegv { };
+
+  # To bootstrap SBCL, I need CLisp 2.44.1; it needs libsigsegv 2.5
+  libsigsegv_25 = callPackage ../development/libraries/libsigsegv/2.5.nix { };
+
+  libsndfile = callPackage ../development/libraries/libsndfile { };
+
+  libsodium = callPackage ../development/libraries/libsodium { };
+
+  libsoup = callPackage ../development/libraries/libsoup { };
+
+  libssh = callPackage ../development/libraries/libssh { };
+
+  libssh2 = callPackage ../development/libraries/libssh2 { };
+
+  libstartup_notification = callPackage ../development/libraries/startup-notification { };
+
+  libspatialindex = callPackage ../development/libraries/libspatialindex { };
+
+  libspatialite = callPackage ../development/libraries/libspatialite { };
+
+  libtar = callPackage ../development/libraries/libtar { };
+
+  libtasn1 = callPackage ../development/libraries/libtasn1 { };
+
+  libtheora = callPackage ../development/libraries/libtheora { };
+
+  libtiff = callPackage ../development/libraries/libtiff { };
+
+  libtiger = callPackage ../development/libraries/libtiger { };
+
+  libtommath = callPackage ../development/libraries/libtommath { };
+
+  libtorrentRasterbar = callPackage ../development/libraries/libtorrent-rasterbar {
+    # fix "unrecognized option -arch" error
+    stdenv = if stdenv.isDarwin
+      then clangStdenv
+      else stdenv;
+  };
+
+  libtoxcore = callPackage ../development/libraries/libtoxcore { };
+
+  libtsm = callPackage ../development/libraries/libtsm { };
+
+  libtunepimp = callPackage ../development/libraries/libtunepimp { };
+
+  libtxc_dxtn = callPackage ../development/libraries/libtxc_dxtn { };
+
+  libtxc_dxtn_s2tc = callPackage ../development/libraries/libtxc_dxtn_s2tc { };
+
+  libgeotiff = callPackage ../development/libraries/libgeotiff { };
+
+  libunistring = callPackage ../development/libraries/libunistring { };
+
+  libupnp = callPackage ../development/libraries/pupnp { };
+
+  giflib = callPackage ../development/libraries/giflib { };
+  giflib_4_1 = callPackage ../development/libraries/giflib/4.1.nix { };
+
+  libungif = callPackage ../development/libraries/giflib/libungif.nix { };
+
+  libunibreak = callPackage ../development/libraries/libunibreak { };
+
+  libunique = callPackage ../development/libraries/libunique/default.nix { };
+
+  liburcu = callPackage ../development/libraries/liburcu { };
+
+  libusb = callPackage ../development/libraries/libusb {};
+
+  libusb1 = callPackage ../development/libraries/libusb1 {
+    stdenv = if stdenv.isDarwin
+      then clangStdenv
+      else stdenv;
+  };
+
+  libunwind = callPackage ../development/libraries/libunwind { };
+
+  libuvVersions = callPackage ../development/libraries/libuv { };
+
+  libv4l = lowPrio (v4l_utils.override {
+    withQt4 = false;
+  });
+
+  libva = callPackage ../development/libraries/libva { };
+
+  libvdpau = callPackage ../development/libraries/libvdpau { };
+
+  libvirt = callPackage ../development/libraries/libvirt { };
+
+  libvirt-glib = callPackage ../development/libraries/libvirt-glib { };
+
+  libvisio = callPackage ../development/libraries/libvisio { };
+
+  libvisual = callPackage ../development/libraries/libvisual { };
+
+  libvncserver = callPackage ../development/libraries/libvncserver {};
+
+  libviper = callPackage ../development/libraries/libviper { };
+
+  libvpx = callPackage ../development/libraries/libvpx { };
+
+  libvterm = callPackage ../development/libraries/libvterm { };
+
+  libvorbis = callPackage ../development/libraries/libvorbis { };
+
+  libwebp = callPackage ../development/libraries/libwebp { };
+
+  libwmf = callPackage ../development/libraries/libwmf { };
+
+  libwnck = libwnck2;
+  libwnck2 = callPackage ../development/libraries/libwnck { };
+  libwnck3 = callPackage ../development/libraries/libwnck/3.x.nix { };
+
+  libwpd = callPackage ../development/libraries/libwpd { };
+
+  libwpd_08 = callPackage ../development/libraries/libwpd/0.8.nix { };
+
+  libwpg = callPackage ../development/libraries/libwpg { };
+
+  libx86 = builderDefsPackage ../development/libraries/libx86 {};
+
+  libxdg_basedir = callPackage ../development/libraries/libxdg-basedir { };
+
+  libxkbcommon = callPackage ../development/libraries/libxkbcommon { };
+
+  libxklavier = callPackage ../development/libraries/libxklavier { };
+
+  libxmi = callPackage ../development/libraries/libxmi { };
+
+  libxml2 = callPackage ../development/libraries/libxml2 {
+    pythonSupport = false;
+  };
+
+  libxml2Python = lowPrio (libxml2.override {
+    pythonSupport = true;
+  });
+
+  libxmlxx = callPackage ../development/libraries/libxmlxx { };
+
+  libxmp = callPackage ../development/libraries/libxmp { };
+
+  libxslt = callPackage ../development/libraries/libxslt { };
+
+  libixp_for_wmii = lowPrio (import ../development/libraries/libixp_for_wmii {
+    inherit fetchurl stdenv;
+  });
+
+  libyaml = callPackage ../development/libraries/libyaml { };
+
+  libyamlcpp = callPackage ../development/libraries/libyaml-cpp { };
+  libyamlcpp03 = callPackage ../development/libraries/libyaml-cpp/0.3.x.nix { };
+
+  libyubikey = callPackage ../development/libraries/libyubikey {};
+
+  libzip = callPackage ../development/libraries/libzip { };
+
+  libzdb = callPackage ../development/libraries/libzdb { };
+
+  libzrtpcpp = callPackage ../development/libraries/libzrtpcpp { };
+  libzrtpcpp_1_6 = callPackage ../development/libraries/libzrtpcpp/1.6.nix {
+    ccrtp = ccrtp_1_8;
+  };
+
+  libwacom = callPackage ../development/libraries/libwacom { };
+
+  lightning = callPackage ../development/libraries/lightning { };
+
+  lirc = callPackage ../development/libraries/lirc { };
+
+  liquidwar = builderDefsPackage ../games/liquidwar {
+    inherit (xlibs) xproto libX11 libXrender;
+    inherit gmp mesa libjpeg
+      expat gettext perl
+      SDL SDL_image SDL_mixer SDL_ttf
+      curl sqlite
+      libogg libvorbis libcaca csound cunit
+      ;
+    guile = guile_1_8;
+    libpng = libpng15; # 0.0.13 needs libpng 1.2--1.5
+  };
+
+  log4cpp = callPackage ../development/libraries/log4cpp { };
+
+  log4cxx = callPackage ../development/libraries/log4cxx { };
+
+  log4cplus = callPackage ../development/libraries/log4cplus { };
+
+  loudmouth = callPackage ../development/libraries/loudmouth { };
+
+  lzo = callPackage ../development/libraries/lzo { };
+
+  mdds_0_7_1 = callPackage ../development/libraries/mdds/0.7.1.nix { };
+  mdds = callPackage ../development/libraries/mdds { };
+
+  # failed to build
+  mediastreamer = callPackage ../development/libraries/mediastreamer { };
+
+  menu-cache = callPackage ../development/libraries/menu-cache { };
+
+  mesaSupported = lib.elem system lib.platforms.mesaPlatforms;
+
+  mesaDarwinOr = alternative: if stdenv.isDarwin
+    then callPackage ../development/libraries/mesa-darwin { }
+    else alternative;
+  mesa_noglu = mesaDarwinOr (callPackage ../development/libraries/mesa {
+    # makes it slower, but during runtime we link against just mesa_drivers
+    # through /run/opengl-driver*, which is overriden according to config.grsecurity
+    grsecEnabled = true;
+  });
+  mesa_glu =  mesaDarwinOr (callPackage ../development/libraries/mesa-glu { });
+  mesa_drivers = mesaDarwinOr (
+    let mo = mesa_noglu.override {
+      grsecEnabled = config.grsecurity or false;
+    };
+    in mo.drivers
+  );
+  mesa = mesaDarwinOr (buildEnv {
+    name = "mesa-${mesa_noglu.version}";
+    paths = [ mesa_noglu mesa_glu ];
+  });
+
+  metaEnvironment = recurseIntoAttrs (let callPackage = newScope pkgs.metaEnvironment; in rec {
+    sdfLibrary    = callPackage ../development/libraries/sdf-library { aterm = aterm28; };
+    toolbuslib    = callPackage ../development/libraries/toolbuslib { aterm = aterm28; inherit (windows) w32api; };
+    cLibrary      = callPackage ../development/libraries/c-library { aterm = aterm28; };
+    errorSupport  = callPackage ../development/libraries/error-support { aterm = aterm28; };
+    ptSupport     = callPackage ../development/libraries/pt-support { aterm = aterm28; };
+    ptableSupport = callPackage ../development/libraries/ptable-support { aterm = aterm28; };
+    configSupport = callPackage ../development/libraries/config-support { aterm = aterm28; };
+    asfSupport    = callPackage ../development/libraries/asf-support { aterm = aterm28; };
+    tideSupport   = callPackage ../development/libraries/tide-support { aterm = aterm28; };
+    rstoreSupport = callPackage ../development/libraries/rstore-support { aterm = aterm28; };
+    sdfSupport    = callPackage ../development/libraries/sdf-support { aterm = aterm28; };
+    sglr          = callPackage ../development/libraries/sglr { aterm = aterm28; };
+    ascSupport    = callPackage ../development/libraries/asc-support { aterm = aterm28; };
+    pgen          = callPackage ../development/libraries/pgen { aterm = aterm28; };
+  });
+
+  ming = callPackage ../development/libraries/ming { };
+
+  minizip = callPackage ../development/libraries/minizip { };
+
+  minmay = callPackage ../development/libraries/minmay { };
+
+  miro = callPackage ../applications/video/miro {
+    inherit (pythonPackages) pywebkitgtk pysqlite pycurl mutagen;
+  };
+
+  mkvtoolnix = callPackage ../applications/video/mkvtoolnix { };
+
+  mlt-qt4 = callPackage ../development/libraries/mlt {
+    qt = qt4;
+    SDL = SDL_pulseaudio;
+  };
+
+  mlt-qt5 = callPackage ../development/libraries/mlt {
+    qt = qt5;
+    SDL = SDL_pulseaudio;
+  };
+
+  movit = callPackage ../development/libraries/movit { };
+
+  mps = callPackage ../development/libraries/mps { };
+
+  libmpeg2 = callPackage ../development/libraries/libmpeg2 { };
+
+  mpeg2dec = libmpeg2;
+
+  msilbc = callPackage ../development/libraries/msilbc { };
+
+  mp4v2 = callPackage ../development/libraries/mp4v2 { };
+
+  mpc = callPackage ../development/libraries/mpc { };
+
+  mpich2 = callPackage ../development/libraries/mpich2 { };
+
+  mtdev = callPackage ../development/libraries/mtdev { };
+
+  mtpfs = callPackage ../tools/filesystems/mtpfs { };
+
+  mu = callPackage ../tools/networking/mu {
+    texinfo = texinfo4;
+  };
+
+  muparser = callPackage ../development/libraries/muparser { };
+
+  mygpoclient = callPackage ../development/python-modules/mygpoclient { };
+
+  mygui = callPackage ../development/libraries/mygui {};
+
+  myguiSvn = callPackage ../development/libraries/mygui/svn.nix {};
+
+  mysocketw = callPackage ../development/libraries/mysocketw { };
+
+  mythes = callPackage ../development/libraries/mythes { };
+
+  nanomsg = callPackage ../development/libraries/nanomsg { };
+
+  ncurses = callPackage ../development/libraries/ncurses {
+    unicode = system != "i686-cygwin";
+  };
+
+  neon = callPackage ../development/libraries/neon {
+    compressionSupport = true;
+    sslSupport = true;
+  };
+
+  nethack = builderDefsPackage (import ../games/nethack) {
+    inherit ncurses flex bison;
+  };
+
+  nettle = callPackage ../development/libraries/nettle { };
+
+  newt = callPackage ../development/libraries/newt { };
+
+  nix-plugins = callPackage ../development/libraries/nix-plugins {
+    nix = pkgs.nixUnstable;
+  };
+
+  nspr = callPackage ../development/libraries/nspr { };
+
+  nss = lowPrio (callPackage ../development/libraries/nss { });
+
+  nssTools = callPackage ../development/libraries/nss {
+    includeTools = true;
+  };
+
+  ntrack = callPackage ../development/libraries/ntrack { };
+
+  nvidia-texture-tools = callPackage ../development/libraries/nvidia-texture-tools { };
+
+  ode = builderDefsPackage (import ../development/libraries/ode) { };
+
+  ogre = callPackage ../development/libraries/ogre {};
+
+  ogrepaged = callPackage ../development/libraries/ogrepaged { };
+
+  oniguruma = callPackage ../development/libraries/oniguruma { };
+
+  openal = callPackage ../development/libraries/openal { };
+
+  # added because I hope that it has been easier to compile on x86 (for blender)
+  openalSoft = callPackage ../development/libraries/openal-soft { };
+
+  openbabel = callPackage ../development/libraries/openbabel { };
+
+  opencascade = callPackage ../development/libraries/opencascade { };
+
+  opencascade_6_5 = callPackage ../development/libraries/opencascade/6.5.nix {
+    automake = automake111x;
+    ftgl = ftgl212;
+  };
+
+  opencascade_oce = callPackage ../development/libraries/opencascade/oce.nix { };
+
+  opencsg = callPackage ../development/libraries/opencsg { };
+
+  openct = callPackage ../development/libraries/openct { };
+
+  opencv = callPackage ../development/libraries/opencv { };
+
+  opencv_2_1 = callPackage ../development/libraries/opencv/2.1.nix {
+    libpng = libpng12;
+  };
+
+  # this ctl version is needed by openexr_viewers
+  openexr_ctl = callPackage ../development/libraries/openexr_ctl { };
+
+  openexr = callPackage ../development/libraries/openexr { };
+
+  openldap = callPackage ../development/libraries/openldap { };
+
+  openlierox = callPackage ../games/openlierox { };
+
+  libopensc_dnie = callPackage ../development/libraries/libopensc-dnie { };
+
+  opencolorio = callPackage ../development/libraries/opencolorio { };
+
+  ois = callPackage ../development/libraries/ois {};
+
+  opal = callPackage ../development/libraries/opal {};
+
+  openjpeg = callPackage ../development/libraries/openjpeg { lcms = lcms2; };
+
+  openscenegraph = callPackage ../development/libraries/openscenegraph {
+    giflib = giflib_4_1;
+    ffmpeg = ffmpeg_0_10;
+  };
+
+  openspades = callPackage ../games/openspades {};
+
+  libressl = callPackage ../development/libraries/libressl { };
+
+  boringssl = callPackage ../development/libraries/boringssl { };
+
+  openssl = callPackage ../development/libraries/openssl {
+    fetchurl = fetchurlBoot;
+    cryptodevHeaders = linuxPackages.cryptodev.override {
+      fetchurl = fetchurlBoot;
+      onlyHeaders = true;
+    };
+  };
+
+  ortp = callPackage ../development/libraries/ortp {
+    srtp = srtp_linphone;
+  };
+
+  p11_kit = callPackage ../development/libraries/p11-kit { };
+
+  paperkey = callPackage ../tools/security/paperkey { };
+
+  pangoxsl = callPackage ../development/libraries/pangoxsl { };
+
+  pcl = callPackage ../development/libraries/pcl {
+    vtk = vtkWithQt4;
+  };
+
+  pcre = callPackage ../development/libraries/pcre {
+    unicodeSupport = config.pcre.unicode or true;
+  };
+
+  pdf2xml = callPackage ../development/libraries/pdf2xml {} ;
+
+  phonon = callPackage ../development/libraries/phonon { };
+
+  phonon_backend_gstreamer = callPackage ../development/libraries/phonon-backend-gstreamer { };
+
+  phonon_backend_vlc = callPackage ../development/libraries/phonon-backend-vlc { };
+
+  physfs = callPackage ../development/libraries/physfs { };
+
+  pkcs11helper = callPackage ../development/libraries/pkcs11helper { };
+
+  plib = callPackage ../development/libraries/plib { };
+
+  pocketsphinx = callPackage ../development/libraries/pocketsphinx { };
+
+  podofo = callPackage ../development/libraries/podofo { };
+
+  polkit = callPackage ../development/libraries/polkit {
+    spidermonkey = spidermonkey_185;
+  };
+
+  polkit_qt_1 = callPackage ../development/libraries/polkit-qt-1 { };
+
+  policykit = callPackage ../development/libraries/policykit { };
+
+  poppler = callPackage ../development/libraries/poppler { lcms = lcms2; };
+  popplerQt4 = poppler.poppler_qt4;
+
+  popt = callPackage ../development/libraries/popt { };
+
+  portaudio = callPackage ../development/libraries/portaudio {
+    # resolves a variety of compile-time errors
+    stdenv = if stdenv.isDarwin
+      then clangStdenv
+      else stdenv;
+  };
+
+  portaudioSVN = callPackage ../development/libraries/portaudio/svn-head.nix { };
+
+  portmidi = callPackage ../development/libraries/portmidi {};
+
+  prison = callPackage ../development/libraries/prison { };
+
+  proj = callPackage ../development/libraries/proj { };
+
+  postgis = callPackage ../development/libraries/postgis { };
+
+  protobuf = callPackage ../development/libraries/protobuf { };
+
+  protobufc = callPackage ../development/libraries/protobufc { };
+
+  pth = callPackage ../development/libraries/pth { };
+
+  ptlib = callPackage ../development/libraries/ptlib {};
+
+  re2 = callPackage ../development/libraries/re2 { };
+
+  qca2 = callPackage ../development/libraries/qca2 {};
+
+  qca2_ossl = callPackage ../development/libraries/qca2/ossl.nix {};
+
+  qimageblitz = callPackage ../development/libraries/qimageblitz {};
+
+  qjson = callPackage ../development/libraries/qjson { };
+
+  qoauth = callPackage ../development/libraries/qoauth { };
+
+  qt3 = callPackage ../development/libraries/qt-3 {
+    openglSupport = mesaSupported;
+    libpng = libpng12;
+  };
+
+  qt4 = pkgs.kde4.qt4;
+
+  qt48 = callPackage ../development/libraries/qt-4.x/4.8 {
+    # GNOME dependencies are not used unless gtkStyle == true
+    mesa = mesa_noglu;
+    inherit (pkgs.gnome) libgnomeui GConf gnome_vfs;
+    cups = if stdenv.isLinux then cups else null;
+
+    # resolve unrecognised flag '-fconstant-cfstrings' errors
+    stdenv = if stdenv.isDarwin
+      then clangStdenv
+      else stdenv;
+  };
+
+  qt48Full = qt48.override {
+    docs = true;
+    demos = true;
+    examples = true;
+    developerBuild = true;
+  };
+
+  qt4SDK = qtcreator.override {
+    sdkBuild = true;
+    qtLib = qt48Full;
+  };
+
+  qt53Full = qt53.override {
+    buildDocs = true;
+    buildExamples = true;
+    buildTests = true;
+    developerBuild = true;
+  };
+
+  qt53 = callPackage ../development/libraries/qt-5/qt-5.3.nix {
+    mesa = mesa_noglu;
+    cups = if stdenv.isLinux then cups else null;
+    # GNOME dependencies are not used unless gtkStyle == true
+    inherit (gnome) libgnomeui GConf gnome_vfs;
+    bison = bison2; # error: too few arguments to function 'int yylex(...
+  };
+
+  qt5 = callPackage ../development/libraries/qt-5 {
+    mesa = mesa_noglu;
+    cups = if stdenv.isLinux then cups else null;
+    # GNOME dependencies are not used unless gtkStyle == true
+    inherit (gnome) libgnomeui GConf gnome_vfs;
+    bison = bison2; # error: too few arguments to function 'int yylex(...
+  };
+
+  qt5Full = qt5.override {
+    buildDocs = true;
+    buildExamples = true;
+    buildTests = true;
+    developerBuild = true;
+  };
+
+  qt5SDK = qtcreator.override {
+    sdkBuild = true;
+    qtLib = qt5Full;
+  };
+
+  qtcreator = callPackage ../development/qtcreator {
+    qtLib = qt48.override { developerBuild = true; };
+  };
+
+  qtscriptgenerator = callPackage ../development/libraries/qtscriptgenerator { };
+
+  quesoglc = callPackage ../development/libraries/quesoglc { };
+
+  qwt = callPackage ../development/libraries/qwt {};
+
+  qwt6 = callPackage ../development/libraries/qwt/6.nix { };
+
+  rabbitmq-c = callPackage ../development/libraries/rabbitmq-c {};
+
+  rabbitmq-java-client = callPackage ../development/libraries/rabbitmq-java-client {};
+
+  raul = callPackage ../development/libraries/audio/raul { };
+
+  readline = readline6; # 6.2 works, 6.3 breaks python, parted
+
+  readline4 = callPackage ../development/libraries/readline/readline4.nix { };
+
+  readline5 = callPackage ../development/libraries/readline/readline5.nix { };
+
+  readline6 = callPackage ../development/libraries/readline/readline6.nix { };
+
+  readline63 = callPackage ../development/libraries/readline/readline6.3.nix { };
+
+  librdf_raptor = callPackage ../development/libraries/librdf/raptor.nix { };
+
+  librdf_raptor2 = callPackage ../development/libraries/librdf/raptor2.nix { };
+
+  librdf_rasqal = callPackage ../development/libraries/librdf/rasqal.nix { };
+
+  librdf_redland = callPackage ../development/libraries/librdf/redland.nix { };
+
+  librdf = callPackage ../development/libraries/librdf { };
+
+  lilv = callPackage ../development/libraries/audio/lilv { };
+
+  lv2 = callPackage ../development/libraries/audio/lv2 { };
+
+  lvtk = callPackage ../development/libraries/audio/lvtk { };
+
+  qrupdate = callPackage ../development/libraries/qrupdate { };
+
+  redland = pkgs.librdf_redland;
+
+  rhino = callPackage ../development/libraries/java/rhino {
+    javac = gcj;
+    jvm = gcj;
+  };
+
+  rlog = callPackage ../development/libraries/rlog { };
+
+  rubberband = callPackage ../development/libraries/rubberband {
+    fftw = fftwSinglePrec;
+    inherit (vamp) vampSDK;
+  };
+
+  sbc = callPackage ../development/libraries/sbc { };
+
+  schroedinger = callPackage ../development/libraries/schroedinger { };
+
+  SDL = callPackage ../development/libraries/SDL {
+    openglSupport = mesaSupported;
+    alsaSupport = (!stdenv.isDarwin);
+    x11Support = true;
+    pulseaudioSupport = stdenv.isDarwin; # better go through ALSA
+
+    # resolve the unrecognized -fpascal-strings option error
+    stdenv = if stdenv.isDarwin
+      then clangStdenv
+      else stdenv;
+  };
+
+  # Fixes major problems with choppy sound in MLT / Kdenlive / Shotcut
+  SDL_pulseaudio = SDL.override { pulseaudioSupport = true; };
+
+  SDL_gfx = callPackage ../development/libraries/SDL_gfx { };
+
+  SDL_image = callPackage ../development/libraries/SDL_image {
+    # provide an Objective-C compiler
+    stdenv = if stdenv.isDarwin
+      then clangStdenv
+      else stdenv;
+  };
+
+  SDL_mixer = callPackage ../development/libraries/SDL_mixer { };
+
+  SDL_net = callPackage ../development/libraries/SDL_net { };
+
+  SDL_sound = callPackage ../development/libraries/SDL_sound { };
+
+  SDL_ttf = callPackage ../development/libraries/SDL_ttf { };
+
+  SDL2 = callPackage ../development/libraries/SDL2 {
+    openglSupport = mesaSupported;
+    alsaSupport = true;
+    x11Support = true;
+    pulseaudioSupport = false; # better go through ALSA
+  };
+
+  SDL2_image = callPackage ../development/libraries/SDL2_image { };
+
+  SDL2_mixer = callPackage ../development/libraries/SDL2_mixer { };
+
+  SDL2_net = callPackage ../development/libraries/SDL2_net { };
+
+  SDL2_gfx = callPackage ../development/libraries/SDL2_gfx { };
+
+  serd = callPackage ../development/libraries/serd {};
+
+  serf = callPackage ../development/libraries/serf {};
+
+  silgraphite = callPackage ../development/libraries/silgraphite {};
+  graphite2 = callPackage ../development/libraries/silgraphite/graphite2.nix {};
+
+  simgear = callPackage ../development/libraries/simgear { };
+
+  sfml_git = callPackage ../development/libraries/sfml { };
+
+  skalibs = callPackage ../development/libraries/skalibs { };
+
+  slang = callPackage ../development/libraries/slang { };
+
+  slibGuile = callPackage ../development/libraries/slib {
+    scheme = guile_1_8;
+    texinfo = texinfo4; # otherwise erros: must be after `@defun' to use `@defunx'
+  };
+
+  smpeg = callPackage ../development/libraries/smpeg { };
+
+  snack = callPackage ../development/libraries/snack {
+        # optional
+  };
+
+  snappy = callPackage ../development/libraries/snappy { };
+
+  sodium = callPackage ../development/libraries/sodium {};
+
+  sofia_sip = callPackage ../development/libraries/sofia-sip { };
+
+  soprano = callPackage ../development/libraries/soprano { };
+
+  soqt = callPackage ../development/libraries/soqt { };
+
+  sord = callPackage ../development/libraries/sord {};
+
+  spandsp = callPackage ../development/libraries/spandsp {};
+
+  speechd = callPackage ../development/libraries/speechd { };
+
+  speech_tools = callPackage ../development/libraries/speech-tools {};
+
+  speex = callPackage ../development/libraries/speex { };
+
+  sphinxbase = callPackage ../development/libraries/sphinxbase { };
+
+  spice = callPackage ../development/libraries/spice {
+    celt = celt_0_5_1;
+    inherit (xlibs) libXrandr libXfixes libXext libXrender libXinerama;
+    inherit (pythonPackages) pyparsing;
+  };
+
+  spice_gtk = callPackage ../development/libraries/spice-gtk { };
+
+  spice_protocol = callPackage ../development/libraries/spice-protocol { };
+
+  sratom = callPackage ../development/libraries/audio/sratom { };
+
+  srtp = callPackage ../development/libraries/srtp {};
+
+  srtp_linphone = callPackage ../development/libraries/srtp/linphone.nix { };
+
+  sqlite = lowPrio (callPackage ../development/libraries/sqlite {
+    readline = null;
+    ncurses = null;
+  });
+
+  sqliteInteractive = appendToName "interactive" (sqlite.override {
+    inherit readline ncurses;
+  });
+
+  sqlcipher = lowPrio (callPackage ../development/libraries/sqlcipher {
+    readline = null;
+    ncurses = null;
+  });
+
+  stfl = callPackage ../development/libraries/stfl {
+    stdenv = if stdenv.isDarwin
+      then overrideGCC stdenv gccApple
+      else stdenv;
+  };
+
+  stlink = callPackage ../development/tools/misc/stlink { };
+
+  steghide = callPackage ../tools/security/steghide {};
+
+  stepmania = callPackage ../games/stepmania {};
+
+  stlport = callPackage ../development/libraries/stlport { };
+
+  strigi = callPackage ../development/libraries/strigi { clucene_core = clucene_core_2; };
+
+  subtitleeditor = callPackage ../applications/video/subtitleeditor { };
+
+  suil = callPackage ../development/libraries/audio/suil { };
+
+  suitesparse = callPackage ../development/libraries/suitesparse { };
+
+  sutils = callPackage ../tools/misc/sutils { };
+
+  sword = callPackage ../development/libraries/sword { };
+
+  szip = callPackage ../development/libraries/szip { };
+
+  t1lib = callPackage ../development/libraries/t1lib { };
+
+  taglib = callPackage ../development/libraries/taglib { };
+
+  taglib_extras = callPackage ../development/libraries/taglib-extras { };
+
+  talloc = callPackage ../development/libraries/talloc { };
+
+  tclap = callPackage ../development/libraries/tclap {};
+
+  tclgpg = callPackage ../development/libraries/tclgpg { };
+
+  tcllib = callPackage ../development/libraries/tcllib { };
+
+  tcltls = callPackage ../development/libraries/tcltls { };
+
+  tdb = callPackage ../development/libraries/tdb { };
+
+  tecla = callPackage ../development/libraries/tecla { };
+
+  telepathy_glib = callPackage ../development/libraries/telepathy/glib { };
+
+  telepathy_farstream = callPackage ../development/libraries/telepathy/farstream {};
+
+  telepathy_qt = callPackage ../development/libraries/telepathy/qt { };
+
+  thrift = callPackage ../development/libraries/thrift { };
+
+  tinyxml = tinyxml2;
+
+  tinyxml2 = callPackage ../development/libraries/tinyxml/2.6.2.nix { };
+
+  tk = callPackage ../development/libraries/tk { };
+
+  tnt = callPackage ../development/libraries/tnt { };
+
+  tokyocabinet = callPackage ../development/libraries/tokyo-cabinet { };
+  tokyotyrant = callPackage ../development/libraries/tokyo-tyrant { };
+
+  tremor = callPackage ../development/libraries/tremor { };
+
+  unicap = callPackage ../development/libraries/unicap {};
+
+  tsocks = callPackage ../development/libraries/tsocks { };
+
+  unixODBC = callPackage ../development/libraries/unixODBC { };
+
+  unixODBCDrivers = recurseIntoAttrs (import ../development/libraries/unixODBCDrivers {
+    inherit fetchurl stdenv unixODBC glibc libtool openssl zlib;
+    inherit postgresql mysql sqlite;
+  });
+
+  urt = callPackage ../development/libraries/urt { };
+
+  ustr = callPackage ../development/libraries/ustr { };
+
+  usbredir = callPackage ../development/libraries/usbredir {
+    libusb = libusb1;
+  };
+
+  ucommon = callPackage ../development/libraries/ucommon { };
+
+  v8 = callPackage ../development/libraries/v8 {
+    inherit (pythonPackages) gyp;
+  };
+
+  vaapiIntel = callPackage ../development/libraries/vaapi-intel { };
+
+  vaapiVdpau = callPackage ../development/libraries/vaapi-vdpau { };
+
+  vamp = callPackage ../development/libraries/audio/vamp { };
+
+  vcdimager = callPackage ../development/libraries/vcdimager { };
+
+  vigra = callPackage ../development/libraries/vigra {
+    inherit (pkgs.pythonPackages) numpy;
+  };
+
+  vlock = callPackage ../misc/screensavers/vlock { };
+
+  vmime = callPackage ../development/libraries/vmime { };
+
+  vrpn = callPackage ../development/libraries/vrpn { };
+
+  vtk = callPackage ../development/libraries/vtk { };
+
+  vtkWithQt4 = vtk.override { qtLib = qt4; };
+
+  vxl = callPackage ../development/libraries/vxl {
+    libpng = libpng12;
+  };
+
+  wayland = callPackage ../development/libraries/wayland { };
+
+  webkit = webkitgtk;
+
+  webkitgtk = callPackage ../development/libraries/webkitgtk {
+    harfbuzz = harfbuzz.override {
+      withIcu = true;
+    };
+    gst-plugins-base = gst_all_1.gst-plugins-base;
+  };
+
+  webkitgtk2 = webkitgtk.override {
+    withGtk2 = true;
+    enableIntrospection = false;
+  };
+
+  wildmidi = callPackage ../development/libraries/wildmidi { };
+
+  wvstreams = callPackage ../development/libraries/wvstreams { };
+
+  wxGTK = wxGTK28;
+
+  wxGTK28 = callPackage ../development/libraries/wxGTK-2.8 {
+    inherit (gnome) GConf;
+    withMesa = lib.elem system lib.platforms.mesaPlatforms;
+  };
+
+  wxGTK29 = callPackage ../development/libraries/wxGTK-2.9/default.nix {
+    inherit (gnome) GConf;
+    withMesa = lib.elem system lib.platforms.mesaPlatforms;
+
+    # use for Objective-C++ compiler
+    stdenv = if stdenv.isDarwin
+      then clangStdenv
+      else stdenv;
+  };
+
+  wxGTK30 = callPackage ../development/libraries/wxGTK-3.0/default.nix {
+    inherit (gnome) GConf;
+    withMesa = lib.elem system lib.platforms.mesaPlatforms;
+
+    # use for Objective-C++ compiler
+    stdenv = if stdenv.isDarwin
+      then clangStdenv
+      else stdenv;
+  };
+
+  wtk = callPackage ../development/libraries/wtk { };
+
+  x264 = callPackage ../development/libraries/x264 { };
+
+  xapian = callPackage ../development/libraries/xapian { };
+
+  xapianBindings = callPackage ../development/libraries/xapian/bindings {  # TODO perl php Java, tcl, C#, python
+  };
+
+  xapian10 = callPackage ../development/libraries/xapian/1.0.x.nix { };
+
+  xapianBindings10 = callPackage ../development/libraries/xapian/bindings/1.0.x.nix {  # TODO perl php Java, tcl, C#, python
+  };
+
+  Xaw3d = callPackage ../development/libraries/Xaw3d { };
+
+  xbase = callPackage ../development/libraries/xbase { };
+
+  xcb-util-cursor = callPackage ../development/libraries/xcb-util-cursor { };
+
+  xdo = callPackage ../tools/misc/xdo { };
+
+  xineLib = callPackage ../development/libraries/xine-lib {
+    ffmpeg = ffmpeg_1;
+  };
+
+  xautolock = callPackage ../misc/screensavers/xautolock { };
+
+  xercesc = callPackage ../development/libraries/xercesc {};
+
+  xlibsWrapper = callPackage ../development/libraries/xlibs-wrapper {
+    packages = [
+      freetype fontconfig xlibs.xproto xlibs.libX11 xlibs.libXt
+      xlibs.libXft xlibs.libXext xlibs.libSM xlibs.libICE
+      xlibs.xextproto
+    ];
+  };
+
+  xmlrpc_c = callPackage ../development/libraries/xmlrpc-c { };
+
+  xmlsec = callPackage ../development/libraries/xmlsec { };
+
+  xvidcore = callPackage ../development/libraries/xvidcore { };
+
+  xylib = callPackage ../development/libraries/xylib { };
+
+  yajl = callPackage ../development/libraries/yajl { };
+
+  zangband = builderDefsPackage (import ../games/zangband) {
+    inherit ncurses flex bison autoconf automake m4 coreutils;
+  };
+
+  zeitgeist = callPackage ../development/libraries/zeitgeist { };
+
+  zlib = callPackage ../development/libraries/zlib {
+    fetchurl = fetchurlBoot;
+  };
+
+  zlibStatic = lowPrio (appendToName "static" (callPackage ../development/libraries/zlib {
+    static = true;
+  }));
+
+  zeromq2 = callPackage ../development/libraries/zeromq/2.x.nix {};
+  zeromq3 = callPackage ../development/libraries/zeromq/3.x.nix {};
+  zeromq4 = callPackage ../development/libraries/zeromq/4.x.nix {};
+
+  zziplib = callPackage ../development/libraries/zziplib { };
+
+
+  ### DEVELOPMENT / LIBRARIES / JAVA
+
+  atermjava = callPackage ../development/libraries/java/aterm {
+    stdenv = overrideInStdenv stdenv [gnumake380];
+  };
+
+  commonsFileUpload = callPackage ../development/libraries/java/jakarta-commons/file-upload { };
+
+  fastjar = callPackage ../development/tools/java/fastjar { };
+
+  httpunit = callPackage ../development/libraries/java/httpunit { };
+
+  gwtdragdrop = callPackage ../development/libraries/java/gwt-dragdrop { };
+
+  gwtwidgets = callPackage ../development/libraries/java/gwt-widgets { };
+
+  jakartabcel = callPackage ../development/libraries/java/jakarta-bcel {
+    regexp = jakartaregexp;
+  };
+
+  jakartaregexp = callPackage ../development/libraries/java/jakarta-regexp { };
+
+  javaCup = callPackage ../development/libraries/java/cup { };
+
+  javasvn = callPackage ../development/libraries/java/javasvn { };
+
+  jclasslib = callPackage ../development/tools/java/jclasslib { };
+
+  jdom = callPackage ../development/libraries/java/jdom { };
+
+  jflex = callPackage ../development/libraries/java/jflex { };
+
+  jjtraveler = callPackage ../development/libraries/java/jjtraveler {
+    stdenv = overrideInStdenv stdenv [gnumake380];
+  };
+
+  junit = callPackage ../development/libraries/java/junit { antBuild = releaseTools.antBuild; };
+
+  junixsocket = callPackage ../development/libraries/java/junixsocket { };
+
+  jzmq = callPackage ../development/libraries/java/jzmq { };
+
+  lucene = callPackage ../development/libraries/java/lucene { };
+
+  mockobjects = callPackage ../development/libraries/java/mockobjects { };
+
+  saxon = callPackage ../development/libraries/java/saxon { };
+
+  saxonb = callPackage ../development/libraries/java/saxon/default8.nix { };
+
+  sharedobjects = callPackage ../development/libraries/java/shared-objects {
+    stdenv = overrideInStdenv stdenv [gnumake380];
+  };
+
+  smack = callPackage ../development/libraries/java/smack { };
+
+  swt = callPackage ../development/libraries/java/swt {
+    inherit (gnome) libsoup;
+  };
+
+
+  ### DEVELOPMENT / LIBRARIES / JAVASCRIPT
+
+  jquery_ui = callPackage ../development/libraries/javascript/jquery-ui { };
+
+  yuicompressor = callPackage ../development/tools/yuicompressor { };
+
+  ### DEVELOPMENT / LISP MODULES
+
+  asdf = callPackage ../development/lisp-modules/asdf {
+    texLive = null;
+  };
+
+  clwrapperFunction = callPackage ../development/lisp-modules/clwrapper;
+
+  wrapLisp = lisp: clwrapperFunction { inherit lisp; };
+
+  lispPackagesFor = clwrapper: callPackage ../development/lisp-modules/lisp-packages.nix {
+    inherit clwrapper;
+  };
+
+  lispPackagesClisp = lispPackagesFor (wrapLisp clisp);
+  lispPackagesSBCL = lispPackagesFor (wrapLisp sbcl);
+  lispPackages = recurseIntoAttrs lispPackagesSBCL;
+
+
+  ### DEVELOPMENT / PERL MODULES
+
+  buildPerlPackage = import ../development/perl-modules/generic perl;
+
+  perlPackages = recurseIntoAttrs (import ./perl-packages.nix {
+    inherit pkgs;
+    overrides = (config.perlPackageOverrides or (p: {})) pkgs;
+  });
+
+  perl514Packages = import ./perl-packages.nix {
+    pkgs = pkgs // {
+      perl = perl514;
+      buildPerlPackage = import ../development/perl-modules/generic perl514;
+    };
+    overrides = (config.perl514PackageOverrides or (p: {})) pkgs;
+  };
+
+  perlXMLParser = perlPackages.XMLParser;
+
+  ack = perlPackages.ack;
+
+  perlArchiveCpio = perlPackages.ArchiveCpio;
+
+  perlcritic = perlPackages.PerlCritic;
+
+  planetary_annihilation = callPackage ../games/planetaryannihilation { };
+
+
+  ### DEVELOPMENT / PYTHON MODULES
+
+  # python function with default python interpreter
+  buildPythonPackage = pythonPackages.buildPythonPackage;
+
+  # `nix-env -i python-nose` installs for 2.7, the default python.
+  # Therefore we do not recurse into attributes here, in contrast to
+  # python27Packages. `nix-env -iA python26Packages.nose` works
+  # regardless.
+  python26Packages = import ./python-packages.nix {
+    inherit pkgs;
+    python = python26;
+  };
+
+  python27Packages = lib.hiPrioSet (recurseIntoAttrs (import ./python-packages.nix {
+    inherit pkgs;
+    python = python27;
+  }));
+
+  python32Packages = import ./python-packages.nix {
+    inherit pkgs;
+    python = python32;
+  };
+
+  python33Packages = recurseIntoAttrs (import ./python-packages.nix {
+    inherit pkgs;
+    python = python33;
+  });
+
+  python34Packages = recurseIntoAttrs (import ./python-packages.nix {
+    inherit pkgs;
+    python = python34;
+  });
+
+  pypyPackages = recurseIntoAttrs (import ./python-packages.nix {
+    inherit pkgs;
+    python = pypy;
+  });
+
+  foursuite = callPackage ../development/python-modules/4suite { };
+
+  bsddb3 = callPackage ../development/python-modules/bsddb3 { };
+
+  ecdsa = callPackage ../development/python-modules/ecdsa { };
+
+  numeric = callPackage ../development/python-modules/numeric { };
+
+  pil = pythonPackages.pil;
+
+  psyco = callPackage ../development/python-modules/psyco { };
+
+  pycairo = pythonPackages.pycairo;
+
+  pycapnp = pythonPackages.pycapnp;
+
+  pycrypto = pythonPackages.pycrypto;
+
+  pycups = callPackage ../development/python-modules/pycups { };
+
+  pyexiv2 = callPackage ../development/python-modules/pyexiv2 { };
+
+  pygame = callPackage ../development/python-modules/pygame { };
+
+  pygobject = pythonPackages.pygobject;
+
+  pygobject3 = pythonPackages.pygobject3;
+
+  pygtk = pythonPackages.pygtk;
+
+  pyGtkGlade = pythonPackages.pyGtkGlade;
+
+  pylint = callPackage ../development/python-modules/pylint { };
+
+  pyopenssl = builderDefsPackage (import ../development/python-modules/pyopenssl) {
+    inherit python openssl;
+  };
+
+  rhpl = callPackage ../development/python-modules/rhpl { };
+
+  sip = callPackage ../development/python-modules/sip { };
+
+  pyqt4 = callPackage ../development/python-modules/pyqt/4.x.nix {
+    stdenv = if stdenv.isDarwin
+      then clangStdenv
+      else stdenv;
+  };
+
+  pysideApiextractor = callPackage ../development/python-modules/pyside/apiextractor.nix { };
+
+  pysideGeneratorrunner = callPackage ../development/python-modules/pyside/generatorrunner.nix { };
+
+  pyside = callPackage ../development/python-modules/pyside { };
+
+  pysideTools = callPackage ../development/python-modules/pyside/tools.nix { };
+
+  pysideShiboken = callPackage ../development/python-modules/pyside/shiboken.nix { };
+
+  pyx = callPackage ../development/python-modules/pyx { };
+
+  pyxml = callPackage ../development/python-modules/pyxml { };
+
+  rbtools = callPackage ../development/python-modules/rbtools { };
+
+  setuptools = pythonPackages.setuptools;
+
+  slowaes = callPackage ../development/python-modules/slowaes { };
+
+  wxPython = pythonPackages.wxPython;
+  wxPython28 = pythonPackages.wxPython28;
+
+  twisted = pythonPackages.twisted;
+
+  ZopeInterface = pythonPackages.zope_interface;
+
+  ### DEVELOPMENT / R MODULES
+
+  R = callPackage ../applications/science/math/R {
+    inherit (xlibs) libX11 libXt;
+    texLive = texLiveAggregationFun { paths = [ texLive texLiveExtra ]; };
+    withRecommendedPackages = false;
+  };
+
+  rWrapper = callPackage ../development/r-modules/wrapper.nix {
+    # Those packages are usually installed as part of the R build.
+    recommendedPackages = with rPackages; [ MASS lattice Matrix nlme
+      survival boot cluster codetools foreign KernSmooth rpart class
+      nnet spatial mgcv ];
+    # Override this attribute to register additional libraries.
+    packages = [];
+  };
+
+  rPackages = import ../development/r-modules/cran-packages.nix {
+    inherit pkgs;
+    overrides = (config.rPackageOverrides or (p: {})) pkgs;
+  };
+
+  ### SERVERS
+
+  rdf4store = callPackage ../servers/http/4store { };
+
+  apacheHttpd = pkgs.apacheHttpd_2_2;
+
+  apacheHttpd_2_2 = callPackage ../servers/http/apache-httpd/2.2.nix {
+    sslSupport = true;
+  };
+
+  apacheHttpd_2_4 = lowPrio (callPackage ../servers/http/apache-httpd/2.4.nix {
+    sslSupport = true;
+  });
+
+  apcupsd = callPackage ../servers/apcupsd { };
+
+  sabnzbd = callPackage ../servers/sabnzbd { };
+
+  bind = callPackage ../servers/dns/bind { };
+
+  bird = callPackage ../servers/bird { };
+
+  couchdb = callPackage ../servers/http/couchdb {
+    spidermonkey = spidermonkey_185;
+    python = python27;
+    sphinx = python27Packages.sphinx;
+    erlang = erlangR16;
+  };
+
+  dico = callPackage ../servers/dico { };
+
+  dict = callPackage ../servers/dict {
+      libmaa = callPackage ../servers/dict/libmaa.nix {};
+  };
+
+  dictdDBs = recurseIntoAttrs (import ../servers/dict/dictd-db.nix {
+    inherit builderDefs;
+  });
+
+  dictDBCollector = import ../servers/dict/dictd-db-collector.nix {
+    inherit stdenv lib dict;
+  };
+
+  dictdWiktionary = callPackage ../servers/dict/dictd-wiktionary.nix {};
+
+  dictdWordnet = callPackage ../servers/dict/dictd-wordnet.nix {};
+
+  diod = callPackage ../servers/diod { };
+
+  dovecot = dovecot21;
+
+  dovecot21 = callPackage ../servers/mail/dovecot { };
+
+  dovecot22 = callPackage ../servers/mail/dovecot/2.2.x.nix { };
+
+  dovecot_pigeonhole = callPackage ../servers/mail/dovecot-pigeonhole { };
+
+  etcd = callPackage ../servers/etcd { };
+
+  ejabberd = callPackage ../servers/xmpp/ejabberd {
+    erlang = erlangR16;
+  };
+
+  elasticmq = callPackage ../servers/elasticmq { };
+
+  etcdctl = callPackage ../development/tools/etcdctl { };
+
+  fcgiwrap = callPackage ../servers/fcgiwrap { };
+
+  felix = callPackage ../servers/felix { };
+
+  felix_remoteshell = callPackage ../servers/felix/remoteshell.nix { };
+
+  fingerd_bsd = callPackage ../servers/fingerd/bsd-fingerd { };
+
+  firebird = callPackage ../servers/firebird { icu = null; };
+  firebirdSuper = callPackage ../servers/firebird { superServer = true; };
+
+  fleet = callPackage ../servers/fleet { };
+
+  freepops = callPackage ../servers/mail/freepops { };
+
+  freeswitch = callPackage ../servers/sip/freeswitch { };
+
+  ghostOne = callPackage ../servers/games/ghost-one {
+    boost = boost144.override { taggedLayout = true; };
+  };
+
+  ircdHybrid = callPackage ../servers/irc/ircd-hybrid { };
+
+  jboss = callPackage ../servers/http/jboss { };
+
+  jboss_mysql_jdbc = callPackage ../servers/http/jboss/jdbc/mysql { };
+
+  jetty = callPackage ../servers/http/jetty { };
+
+  jetty61 = callPackage ../servers/http/jetty/6.1 { };
+
+  joseki = callPackage ../servers/http/joseki {};
+
+  leafnode = callPackage ../servers/news/leafnode { };
+
+  lighttpd = callPackage ../servers/http/lighttpd { };
+
+  mailman = callPackage ../servers/mail/mailman { };
+
+  mediatomb = callPackage ../servers/mediatomb { };
+
+  memcached = callPackage ../servers/memcached {};
+
+  mod_dnssd = callPackage ../servers/http/apache-modules/mod_dnssd/default.nix { };
+
+  mod_evasive = callPackage ../servers/http/apache-modules/mod_evasive { };
+
+  mod_python = callPackage ../servers/http/apache-modules/mod_python { };
+
+  mod_fastcgi = callPackage ../servers/http/apache-modules/mod_fastcgi { };
+
+  mod_wsgi = callPackage ../servers/http/apache-modules/mod_wsgi { };
+
+  mpd = callPackage ../servers/mpd {
+    aacSupport    = config.mpd.aacSupport or true;
+    ffmpegSupport = config.mpd.ffmpegSupport or true;
+  };
+
+  mpd_clientlib = callPackage ../servers/mpd/clientlib.nix { };
+
+  miniHttpd = callPackage ../servers/http/mini-httpd {};
+
+  mlmmj = callPackage ../servers/mail/mlmmj { };
+
+  myserver = callPackage ../servers/http/myserver { };
+
+  nginx = callPackage ../servers/http/nginx {
+    rtmp        = true;
+    fullWebDAV  = true;
+    syslog      = true;
+    moreheaders = true;
+  };
+
+  ngircd = callPackage ../servers/irc/ngircd { };
+
+  nix-binary-cache = callPackage ../servers/http/nix-binary-cache {};
+
+  nsd = callPackage ../servers/dns/nsd { };
+
+  nsq = callPackage ../servers/nsq { };
+
+  openresty = callPackage ../servers/http/openresty { };
+
+  opensmtpd = callPackage ../servers/mail/opensmtpd { };
+
+  petidomo = callPackage ../servers/mail/petidomo { };
+
+  popa3d = callPackage ../servers/mail/popa3d { };
+
+  postfix = callPackage ../servers/mail/postfix { };
+
+  postfix211 = callPackage ../servers/mail/postfix/2.11.nix { };
+
+  pulseaudio = callPackage ../servers/pulseaudio {
+    gconf = gnome.GConf;
+    # The following are disabled in the default build, because if this
+    # functionality is desired, they are only needed in the PulseAudio
+    # server.
+    bluez = null;
+    avahi = null;
+  };
+  pulseaudioFull = pulseaudio.override {
+    bluez = bluez5;
+    avahi = avahi;
+    jackaudioSupport = true;
+    x11Support = true;
+  };
+
+  tomcat_connectors = callPackage ../servers/http/apache-modules/tomcat-connectors { };
+
+  pies = callPackage ../servers/pies { };
+
+  portmap = callPackage ../servers/portmap { };
+
+  rpcbind = callPackage ../servers/rpcbind { };
+
+  #monetdb = callPackage ../servers/sql/monetdb { };
+
+  mariadb = callPackage ../servers/sql/mariadb {};
+
+  mongodb = callPackage ../servers/nosql/mongodb { };
+
+  riak = callPackage ../servers/nosql/riak/1.3.1.nix { };
+
+  influxdb = callPackage ../servers/nosql/influxdb { };
+
+  mysql51 = import ../servers/sql/mysql/5.1.x.nix {
+    inherit fetchurl ncurses zlib perl openssl stdenv;
+    ps = procps; /* !!! Linux only */
+  };
+
+  mysql55 = callPackage ../servers/sql/mysql/5.5.x.nix { };
+
+  mysql = mysql51;
+
+  mysql_jdbc = callPackage ../servers/sql/mysql/jdbc { };
+
+  nagios = callPackage ../servers/monitoring/nagios { };
+
+  munin = callPackage ../servers/monitoring/munin { };
+
+  nagiosPluginsOfficial = callPackage ../servers/monitoring/nagios/plugins/official-2.x.nix { };
+
+  neo4j = callPackage ../servers/nosql/neo4j { };
+
+  net_snmp = callPackage ../servers/monitoring/net-snmp { };
+
+  riemann = callPackage ../servers/monitoring/riemann { };
+
+  oidentd = callPackage ../servers/identd/oidentd { };
+
+  openfire = callPackage ../servers/xmpp/openfire { };
+
+  oracleXE = callPackage ../servers/sql/oracle-xe { };
+
+  OVMF = callPackage ../applications/virtualization/OVMF { };
+
+  postgresql = postgresql92;
+
+  postgresql84 = callPackage ../servers/sql/postgresql/8.4.x.nix { };
+
+  postgresql90 = callPackage ../servers/sql/postgresql/9.0.x.nix { };
+
+  postgresql91 = callPackage ../servers/sql/postgresql/9.1.x.nix { };
+
+  postgresql92 = callPackage ../servers/sql/postgresql/9.2.x.nix { };
+
+  postgresql93 = callPackage ../servers/sql/postgresql/9.3.x.nix { };
+
+  postgresql_jdbc = callPackage ../servers/sql/postgresql/jdbc { };
+
+  psqlodbc = callPackage ../servers/sql/postgresql/psqlodbc { };
+
+  pyIRCt = builderDefsPackage (import ../servers/xmpp/pyIRCt) {
+    inherit xmpppy pythonIRClib python makeWrapper;
+  };
+
+  pyMAILt = builderDefsPackage (import ../servers/xmpp/pyMAILt) {
+    inherit xmpppy python makeWrapper fetchcvs;
+  };
+
+  qpid-cpp = callPackage ../servers/amqp/qpid-cpp { };
+
+  rabbitmq_server = callPackage ../servers/amqp/rabbitmq-server { };
+
+  radius = callPackage ../servers/radius { };
+
+  redis = callPackage ../servers/nosql/redis { };
+
+  redstore = callPackage ../servers/http/redstore { };
+
+  restund = callPackage ../servers/restund {};
+
+  rethinkdb = callPackage ../servers/nosql/rethinkdb { };
+
+  rippled = callPackage ../servers/rippled { };
+
+  s6 = callPackage ../servers/s6 { };
+
+  spamassassin = callPackage ../servers/mail/spamassassin {
+    inherit (perlPackages) HTMLParser NetDNS NetAddrIP DBFile
+      HTTPDate MailDKIM LWP IOSocketSSL;
+  };
+
+  samba = callPackage ../servers/samba { };
+
+  # A lightweight Samba, useful for non-Linux-based OSes.
+  samba_light = lowPrio (callPackage ../servers/samba {
+    pam = null;
+    fam = null;
+    cups = null;
+    acl = null;
+    openldap = null;
+    # libunwind 1.0.1 is not ported to GNU/Hurd.
+    libunwind = null;
+  });
+
+  serfdom = callPackage ../servers/serfdom { };
+
+  seyren = callPackage ../servers/monitoring/seyren { };
+
+  shishi = callPackage ../servers/shishi { };
+
+  sipwitch = callPackage ../servers/sip/sipwitch { };
+
+  spawn_fcgi = callPackage ../servers/http/spawn-fcgi { };
+
+  squids = recurseIntoAttrs( import ../servers/squid/squids.nix {
+    inherit fetchurl stdenv perl lib composableDerivation
+      openldap pam db cyrus_sasl kerberos libcap expat libxml2 libtool
+      openssl;
+  });
+  squid = squids.squid31; # has ipv6 support
+
+  thttpd = callPackage ../servers/http/thttpd { };
+
+  storm = callPackage ../servers/computing/storm { };
+
+  tomcat5 = callPackage ../servers/http/tomcat/5.0.nix { };
+
+  tomcat6 = callPackage ../servers/http/tomcat/6.0.nix { };
+
+  tomcat_mysql_jdbc = callPackage ../servers/http/tomcat/jdbc/mysql { };
+
+  axis2 = callPackage ../servers/http/tomcat/axis2 { };
+
+  unifi = callPackage ../servers/unifi { };
+
+  virtuoso6 = callPackage ../servers/sql/virtuoso/6.x.nix { };
+
+  virtuoso7 = callPackage ../servers/sql/virtuoso/7.x.nix { };
+
+  virtuoso = virtuoso6;
+
+  vsftpd = callPackage ../servers/ftp/vsftpd { };
+
+  winstone = callPackage ../servers/http/winstone { };
+
+  xinetd = callPackage ../servers/xinetd { };
+
+  xquartz = callPackage ../servers/x11/xquartz { };
+  quartz-wm = callPackage ../servers/x11/quartz-wm { stdenv = clangStdenv; };
+
+  xorg = recurseIntoAttrs (import ../servers/x11/xorg/default.nix {
+    inherit clangStdenv fetchurl fetchgit fetchpatch stdenv pkgconfig intltool freetype fontconfig
+      libxslt expat libpng zlib perl mesa_drivers spice_protocol
+      dbus libuuid openssl gperf m4
+      autoconf automake libtool xmlto asciidoc flex bison python mtdev pixman;
+    mesa = mesa_noglu;
+    udev = if stdenv.isLinux then udev else null;
+    libdrm = if stdenv.isLinux then libdrm else null;
+  } // {
+    xf86videointel-testing = callPackage ../servers/x11/xorg/xf86-video-intel-testing.nix { };
+  });
+
+  xorgReplacements = callPackage ../servers/x11/xorg/replacements.nix { };
+
+  xorgVideoUnichrome = callPackage ../servers/x11/xorg/unichrome/default.nix { };
+
+  yaws = callPackage ../servers/http/yaws { };
+
+  zabbix = recurseIntoAttrs (import ../servers/monitoring/zabbix {
+    inherit fetchurl stdenv pkgconfig postgresql curl openssl zlib;
+  });
+
+  zabbix20 = callPackage ../servers/monitoring/zabbix/2.0.nix { };
+  zabbix22 = callPackage ../servers/monitoring/zabbix/2.2.nix { };
+
+
+  ### OS-SPECIFIC
+
+  afuse = callPackage ../os-specific/linux/afuse { };
+
+  amdUcode = callPackage ../os-specific/linux/microcode/amd.nix { };
+
+  autofs5 = callPackage ../os-specific/linux/autofs/autofs-v5.nix { };
+
+  _915resolution = callPackage ../os-specific/linux/915resolution { };
+
+  nfsUtils = callPackage ../os-specific/linux/nfs-utils { };
+
+  acpi = callPackage ../os-specific/linux/acpi { };
+
+  acpid = callPackage ../os-specific/linux/acpid { };
+
+  acpitool = callPackage ../os-specific/linux/acpitool { };
+
+  alienfx = callPackage ../os-specific/linux/alienfx { };
+
+  alsaLib = callPackage ../os-specific/linux/alsa-lib { };
+
+  alsaPlugins = callPackage ../os-specific/linux/alsa-plugins {
+    jack2 = null;
+  };
+
+  alsaPluginWrapper = callPackage ../os-specific/linux/alsa-plugins/wrapper.nix { };
+
+  alsaUtils = callPackage ../os-specific/linux/alsa-utils { };
+  alsaOss = callPackage ../os-specific/linux/alsa-oss { };
+
+  microcode2ucode = callPackage ../os-specific/linux/microcode/converter.nix { };
+
+  microcodeIntel = callPackage ../os-specific/linux/microcode/intel.nix { };
+
+  apparmor = callPackage ../os-specific/linux/apparmor {
+    inherit (perlPackages) LocaleGettext TermReadKey RpcXML;
+    bison = bison2;
+  };
+
+  atop = callPackage ../os-specific/linux/atop { };
+
+  audit = callPackage ../os-specific/linux/audit { };
+
+  b43Firmware_5_1_138 = callPackage ../os-specific/linux/firmware/b43-firmware/5.1.138.nix { };
+
+  b43FirmwareCutter = callPackage ../os-specific/linux/firmware/b43-firmware-cutter { };
+
+  batctl = callPackage ../os-specific/linux/batman-adv/batctl.nix { };
+
+  bluez4 = callPackage ../os-specific/linux/bluez {
+    pygobject = pygobject3;
+  };
+
+  bluez5 = lowPrio (callPackage ../os-specific/linux/bluez/bluez5.nix { });
+
+  bluez = bluez4;
+
+  inherit (pythonPackages) bedup;
+
+  beret = callPackage ../games/beret { };
+
+  bridge_utils = callPackage ../os-specific/linux/bridge-utils { };
+
+  busybox = callPackage ../os-specific/linux/busybox { };
+
+  checkpolicy = callPackage ../os-specific/linux/checkpolicy { };
+
+  checksec = callPackage ../os-specific/linux/checksec { };
+
+  cifs_utils = callPackage ../os-specific/linux/cifs-utils { };
+
+  conky = callPackage ../os-specific/linux/conky {
+    mpdSupport   = config.conky.mpdSupport   or true;
+    x11Support   = config.conky.x11Support   or false;
+    xdamage      = config.conky.xdamage      or false;
+    wireless     = config.conky.wireless     or false;
+    luaSupport   = config.conky.luaSupport   or false;
+    rss          = config.conky.rss          or false;
+    weatherMetar = config.conky.weatherMetar or false;
+    weatherXoap  = config.conky.weatherXoap  or false;
+  };
+
+  cpufrequtils = callPackage ../os-specific/linux/cpufrequtils { };
+
+  cryopid = callPackage ../os-specific/linux/cryopid { };
+
+  criu = callPackage ../os-specific/linux/criu { };
+
+  cryptsetup = callPackage ../os-specific/linux/cryptsetup { };
+
+  cramfsswap = callPackage ../os-specific/linux/cramfsswap { };
+
+  darwin = rec {
+    cctools = forceNativeDrv (callPackage ../os-specific/darwin/cctools-port {
+      cross = assert crossSystem != null; crossSystem;
+      inherit maloader;
+      xctoolchain = xcode.toolchain;
+    });
+
+    maloader = callPackage ../os-specific/darwin/maloader {
+      inherit opencflite;
+    };
+
+    opencflite = callPackage ../os-specific/darwin/opencflite {};
+
+    xcode = callPackage ../os-specific/darwin/xcode {};
+  };
+
+  devicemapper = lvm2;
+
+  disk_indicator = callPackage ../os-specific/linux/disk-indicator { };
+
+  dmidecode = callPackage ../os-specific/linux/dmidecode { };
+
+  dmtcp = callPackage ../os-specific/linux/dmtcp { };
+
+  dietlibc = callPackage ../os-specific/linux/dietlibc { };
+
+  directvnc = builderDefsPackage ../os-specific/linux/directvnc {
+    inherit libjpeg pkgconfig zlib directfb;
+    inherit (xlibs) xproto;
+  };
+
+  dmraid = callPackage ../os-specific/linux/dmraid { };
+
+  drbd = callPackage ../os-specific/linux/drbd { };
+
+  dstat = callPackage ../os-specific/linux/dstat {
+    # pythonFull includes the "curses" standard library module, for pretty
+    # dstat color output
+    python = pythonFull;
+  };
+
+  libossp_uuid = callPackage ../development/libraries/libossp-uuid { };
+
+  libuuid =
+    if crossSystem != null && crossSystem.config == "i586-pc-gnu"
+    then (utillinux // {
+      crossDrv = lib.overrideDerivation utillinux.crossDrv (args: {
+        # `libblkid' fails to build on GNU/Hurd.
+        configureFlags = args.configureFlags
+          + " --disable-libblkid --disable-mount --disable-libmount"
+          + " --disable-fsck --enable-static --disable-partx";
+        doCheck = false;
+        CPPFLAGS =                    # ugly hack for ugly software!
+          lib.concatStringsSep " "
+            (map (v: "-D${v}=4096")
+                 [ "PATH_MAX" "MAXPATHLEN" "MAXHOSTNAMELEN" ]);
+      });
+    })
+    else if stdenv.isLinux
+    then utillinux
+    else null;
+
+  e3cfsprogs = callPackage ../os-specific/linux/e3cfsprogs { };
+
+  ebtables = callPackage ../os-specific/linux/ebtables { };
+
+  eject = utillinux;
+
+  ffado = callPackage ../os-specific/linux/ffado { };
+
+  fbterm = callPackage ../os-specific/linux/fbterm { };
+
+  firejail = callPackage ../os-specific/linux/firejail {};
+
+  fuse = callPackage ../os-specific/linux/fuse { };
+
+  fxload = callPackage ../os-specific/linux/fxload { };
+
+  gfxtablet = callPackage ../os-specific/linux/gfxtablet {};
+
+  gpm = callPackage ../servers/gpm { };
+
+  gradm = callPackage ../os-specific/linux/gradm {
+    flex = flex_2_5_35;
+  };
+
+  hdparm = callPackage ../os-specific/linux/hdparm { };
+
+  hibernate = callPackage ../os-specific/linux/hibernate { };
+
+  hostapd = callPackage ../os-specific/linux/hostapd { };
+
+  htop =
+    if stdenv.isLinux then
+      callPackage ../os-specific/linux/htop { }
+    else if stdenv.isDarwin then
+      callPackage ../os-specific/darwin/htop { }
+    else null;
+
+  # GNU/Hurd core packages.
+  gnu = recurseIntoAttrs (callPackage ../os-specific/gnu {
+    inherit platform crossSystem;
+  });
+
+  hwdata = callPackage ../os-specific/linux/hwdata { };
+
+  i7z = callPackage ../os-specific/linux/i7z { };
+
+  ifplugd = callPackage ../os-specific/linux/ifplugd { };
+
+  iomelt = callPackage ../os-specific/linux/iomelt { };
+
+  iotop = callPackage ../os-specific/linux/iotop { };
+
+  iproute = callPackage ../os-specific/linux/iproute { };
+
+  iputils = callPackage ../os-specific/linux/iputils {
+    sp = spCompat;
+    inherit (perlPackages) SGMLSpm;
+  };
+
+  iptables = callPackage ../os-specific/linux/iptables { };
+
+  iw = callPackage ../os-specific/linux/iw { };
+
+  jujuutils = callPackage ../os-specific/linux/jujuutils { };
+
+  kbd = callPackage ../os-specific/linux/kbd { };
+
+  kmscon = callPackage ../os-specific/linux/kmscon { };
+
+  latencytop = callPackage ../os-specific/linux/latencytop { };
+
+  ldm = callPackage ../os-specific/linux/ldm { };
+
+  libaio = callPackage ../os-specific/linux/libaio { };
+
+  libatasmart = callPackage ../os-specific/linux/libatasmart { };
+
+  libcgroup = callPackage ../os-specific/linux/libcgroup { };
+
+  libnl = callPackage ../os-specific/linux/libnl { };
+  libnl_3_2_19 = callPackage ../os-specific/linux/libnl/3.2.19.nix { };
+
+  linuxConsoleTools = callPackage ../os-specific/linux/consoletools { };
+
+  # -- Linux kernel expressions ------------------------------------------------
+
+  linuxHeaders = linuxHeaders_3_7;
+
+  linuxHeaders24Cross = forceNativeDrv (import ../os-specific/linux/kernel-headers/2.4.nix {
+    inherit stdenv fetchurl perl;
+    cross = assert crossSystem != null; crossSystem;
+  });
+
+  linuxHeaders26Cross = forceNativeDrv (import ../os-specific/linux/kernel-headers/2.6.32.nix {
+    inherit stdenv fetchurl perl;
+    cross = assert crossSystem != null; crossSystem;
+  });
+
+  linuxHeaders_3_7 = callPackage ../os-specific/linux/kernel-headers/3.7.nix { };
+
+  linuxHeaders_3_14 = callPackage ../os-specific/linux/kernel-headers/3.14.nix { };
+
+  # We can choose:
+  linuxHeadersCrossChooser = ver : if ver == "2.4" then linuxHeaders24Cross
+    else if ver == "2.6" then linuxHeaders26Cross
+    else throw "Unknown linux kernel version";
+
+  linuxHeadersCross = assert crossSystem != null;
+    linuxHeadersCrossChooser crossSystem.platform.kernelMajor;
+
+  kernelPatches = callPackage ../os-specific/linux/kernel/patches.nix { };
+
+  linux_3_2 = makeOverridable (import ../os-specific/linux/kernel/linux-3.2.nix) {
+    inherit fetchurl stdenv perl buildLinux;
+    kernelPatches = [];
+  };
+
+  linux_3_2_xen = lowPrio (linux_3_2.override {
+    extraConfig = ''
+      XEN_DOM0 y
+    '';
+  });
+
+  linux_3_4 = makeOverridable (import ../os-specific/linux/kernel/linux-3.4.nix) {
+    inherit fetchurl stdenv perl buildLinux;
+    kernelPatches = lib.optionals ((platform.kernelArch or null) == "mips")
+      [ kernelPatches.mips_fpureg_emu
+        kernelPatches.mips_fpu_sigill
+      ];
+  };
+
+  linux_3_6_rpi = makeOverridable (import ../os-specific/linux/kernel/linux-rpi-3.6.nix) {
+    inherit fetchurl stdenv perl buildLinux;
+  };
+
+  linux_3_10 = makeOverridable (import ../os-specific/linux/kernel/linux-3.10.nix) {
+    inherit fetchurl stdenv perl buildLinux;
+    kernelPatches = lib.optionals ((platform.kernelArch or null) == "mips")
+      [ kernelPatches.mips_fpureg_emu
+        kernelPatches.mips_fpu_sigill
+        kernelPatches.mips_ext3_n32
+      ];
+  };
+
+  linux_3_12 = makeOverridable (import ../os-specific/linux/kernel/linux-3.12.nix) {
+    inherit fetchurl stdenv perl buildLinux;
+    kernelPatches = lib.optionals ((platform.kernelArch or null) == "mips")
+      [ kernelPatches.mips_fpureg_emu
+        kernelPatches.mips_fpu_sigill
+        kernelPatches.mips_ext3_n32
+      ];
+  };
+
+  linux_3_14 = makeOverridable (import ../os-specific/linux/kernel/linux-3.14.nix) {
+    inherit fetchurl stdenv perl buildLinux;
+    kernelPatches = lib.optionals ((platform.kernelArch or null) == "mips")
+      [ kernelPatches.mips_fpureg_emu
+        kernelPatches.mips_fpu_sigill
+        kernelPatches.mips_ext3_n32
+      ];
+  };
+
+  linux_3_15 = makeOverridable (import ../os-specific/linux/kernel/linux-3.15.nix) {
+    inherit fetchurl stdenv perl buildLinux;
+    kernelPatches = lib.optionals ((platform.kernelArch or null) == "mips")
+      [ kernelPatches.mips_fpureg_emu
+        kernelPatches.mips_fpu_sigill
+        kernelPatches.mips_ext3_n32
+      ];
+  };
+
+  linux_3_16 = makeOverridable (import ../os-specific/linux/kernel/linux-3.16.nix) {
+    inherit fetchurl stdenv perl buildLinux;
+    kernelPatches = lib.optionals ((platform.kernelArch or null) == "mips")
+      [ kernelPatches.mips_fpureg_emu
+        kernelPatches.mips_fpu_sigill
+        kernelPatches.mips_ext3_n32
+      ];
+  };
+
+  linux_testing = makeOverridable (import ../os-specific/linux/kernel/linux-testing.nix) {
+    inherit fetchurl stdenv perl buildLinux;
+    kernelPatches = lib.optionals ((platform.kernelArch or null) == "mips")
+      [ kernelPatches.mips_fpureg_emu
+        kernelPatches.mips_fpu_sigill
+        kernelPatches.mips_ext3_n32
+      ];
+  };
+
+  /* grsec configuration
+
+     We build several flavors of 'default' grsec kernels. These are
+     built by default with Hydra. If the user selects a matching
+     'default' flavor, then the pre-canned package set can be
+     chosen. Typically, users will make very basic choices like
+     'security' + 'server' or 'performance' + 'desktop' with
+     virtualisation support. These will then be picked.
+
+     Note: Xen guest kernels are included for e.g. NixOps deployments
+     to EC2, where Xen is the Hypervisor.
+  */
+
+  grFlavors = import ../build-support/grsecurity/flavors.nix;
+
+  mkGrsecurity = opts:
+    (import ../build-support/grsecurity {
+      grsecOptions = opts;
+      inherit pkgs lib;
+    });
+
+  grKernel  = opts: (mkGrsecurity opts).grsecKernel;
+  grPackage = opts: recurseIntoAttrs (mkGrsecurity opts).grsecPackage;
+
+  # Stable kernels
+  linux_grsec_stable_desktop    = grKernel grFlavors.linux_grsec_stable_desktop;
+  linux_grsec_stable_server     = grKernel grFlavors.linux_grsec_stable_server;
+  linux_grsec_stable_server_xen = grKernel grFlavors.linux_grsec_stable_server_xen;
+
+  # Testing kernels
+  linux_grsec_testing_desktop = grKernel grFlavors.linux_grsec_testing_desktop;
+  linux_grsec_testing_server  = grKernel grFlavors.linux_grsec_testing_server;
+  linux_grsec_testing_server_xen = grKernel grFlavors.linux_grsec_testing_server_xen;
+
+  /* Linux kernel modules are inherently tied to a specific kernel.  So
+     rather than provide specific instances of those packages for a
+     specific kernel, we have a function that builds those packages
+     for a specific kernel.  This function can then be called for
+     whatever kernel you're using. */
+
+  linuxPackagesFor = kernel: self: let callPackage = newScope self; in {
+    inherit kernel;
+
+    acpi_call = callPackage ../os-specific/linux/acpi-call {};
+
+    batman_adv = callPackage ../os-specific/linux/batman-adv {};
+
+    bbswitch = callPackage ../os-specific/linux/bbswitch {};
+
+    ati_drivers_x11 = callPackage ../os-specific/linux/ati-drivers { };
+
+    blcr = callPackage ../os-specific/linux/blcr { };
+
+    cryptodev = callPackage ../os-specific/linux/cryptodev { };
+
+    cpupower = callPackage ../os-specific/linux/cpupower { };
+
+    e1000e = callPackage ../os-specific/linux/e1000e {};
+
+    v4l2loopback = callPackage ../os-specific/linux/v4l2loopback { };
+
+    frandom = callPackage ../os-specific/linux/frandom { };
+
+    ktap = callPackage ../os-specific/linux/ktap { };
+
+    lttng-modules = callPackage ../os-specific/linux/lttng-modules { };
+
+    broadcom_sta = callPackage ../os-specific/linux/broadcom-sta/default.nix { };
+
+    nvidiabl = callPackage ../os-specific/linux/nvidiabl { };
+
+    nvidia_x11 = callPackage ../os-specific/linux/nvidia-x11 { };
+
+    nvidia_x11_legacy173 = callPackage ../os-specific/linux/nvidia-x11/legacy173.nix { };
+    nvidia_x11_legacy304 = callPackage ../os-specific/linux/nvidia-x11/legacy304.nix { };
+
+    openafsClient = callPackage ../servers/openafs-client { };
+
+    openiscsi = callPackage ../os-specific/linux/open-iscsi { };
+
+    wis_go7007 = callPackage ../os-specific/linux/wis-go7007 { };
+
+    kernelHeaders = callPackage ../os-specific/linux/kernel-headers { };
+
+    klibc = callPackage ../os-specific/linux/klibc { };
+
+    klibcShrunk = lowPrio (callPackage ../os-specific/linux/klibc/shrunk.nix { });
+
+
+    /* compiles but has to be integrated into the kernel somehow
+       Let's have it uncommented and finish it..
+    */
+    ndiswrapper = callPackage ../os-specific/linux/ndiswrapper { };
+
+    netatop = callPackage ../os-specific/linux/netatop { };
+
+    perf = callPackage ../os-specific/linux/kernel/perf.nix { };
+
+    psmouse_alps = callPackage ../os-specific/linux/psmouse-alps { };
+
+    spl = callPackage ../os-specific/linux/spl { };
+    spl_git = callPackage ../os-specific/linux/spl/git.nix { };
+
+    sysdig = callPackage ../os-specific/linux/sysdig {};
+
+    tp_smapi = callPackage ../os-specific/linux/tp_smapi { };
+
+    v86d = callPackage ../os-specific/linux/v86d { };
+
+    virtualbox = callPackage ../applications/virtualization/virtualbox {
+      stdenv = stdenv_32bit;
+      inherit (gnome) libIDL;
+      enableExtensionPack = config.virtualbox.enableExtensionPack or false;
+    };
+
+    virtualboxGuestAdditions = callPackage ../applications/virtualization/virtualbox/guest-additions { };
+
+    zfs = callPackage ../os-specific/linux/zfs { };
+    zfs_git = callPackage ../os-specific/linux/zfs/git.nix { };
+  };
+
+  # The current default kernel / kernel modules.
+  linux = linuxPackages.kernel;
+  linuxPackages = linuxPackages_3_12;
+
+  # Update this when adding the newest kernel major version!
+  linux_latest = pkgs.linux_3_16;
+  linuxPackages_latest = pkgs.linuxPackages_3_16;
+
+  # Build the kernel modules for the some of the kernels.
+  linuxPackages_3_2 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_3_2 linuxPackages_3_2);
+  linuxPackages_3_2_xen = linuxPackagesFor pkgs.linux_3_2_xen linuxPackages_3_2_xen;
+  linuxPackages_3_4 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_3_4 linuxPackages_3_4);
+  linuxPackages_3_6_rpi = linuxPackagesFor pkgs.linux_3_6_rpi linuxPackages_3_6_rpi;
+  linuxPackages_3_10 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_3_10 linuxPackages_3_10);
+  linuxPackages_3_10_tuxonice = linuxPackagesFor pkgs.linux_3_10_tuxonice linuxPackages_3_10_tuxonice;
+  linuxPackages_3_12 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_3_12 linuxPackages_3_12);
+  linuxPackages_3_14 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_3_14 linuxPackages_3_14);
+  linuxPackages_3_15 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_3_15 linuxPackages_3_15);
+  linuxPackages_3_16 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_3_16 linuxPackages_3_16);
+  linuxPackages_testing = recurseIntoAttrs (linuxPackagesFor pkgs.linux_testing linuxPackages_testing);
+
+  # grsecurity flavors
+  # Stable kernels
+  linuxPackages_grsec_stable_desktop    = grPackage grFlavors.linux_grsec_stable_desktop;
+  linuxPackages_grsec_stable_server     = grPackage grFlavors.linux_grsec_stable_server;
+  linuxPackages_grsec_stable_server_xen = grPackage grFlavors.linux_grsec_stable_server_xen;
+
+  # Testing kernels
+  linuxPackages_grsec_testing_desktop = grPackage grFlavors.linux_grsec_testing_desktop;
+  linuxPackages_grsec_testing_server  = grPackage grFlavors.linux_grsec_testing_server;
+  linuxPackages_grsec_testing_server_xen = grPackage grFlavors.linux_grsec_testing_server_xen;
+
+  # A function to build a manually-configured kernel
+  linuxManualConfig = pkgs.buildLinux;
+  buildLinux = import ../os-specific/linux/kernel/manual-config.nix {
+    inherit (pkgs) stdenv runCommand nettools bc perl kmod writeTextFile ubootChooser;
+  };
+
+  keyutils = callPackage ../os-specific/linux/keyutils { };
+
+  libselinux = callPackage ../os-specific/linux/libselinux { };
+
+  libsemanage = callPackage ../os-specific/linux/libsemanage { };
+
+  libraw = callPackage ../development/libraries/libraw { };
+
+  libraw1394 = callPackage ../development/libraries/libraw1394 { };
+
+  libsexy = callPackage ../development/libraries/libsexy { };
+
+  libsepol = callPackage ../os-specific/linux/libsepol { };
+
+  libsmbios = callPackage ../os-specific/linux/libsmbios { };
+
+  lm_sensors = callPackage ../os-specific/linux/lm-sensors { };
+
+  lockdep = callPackage ../os-specific/linux/lockdep { };
+
+  lsiutil = callPackage ../os-specific/linux/lsiutil { };
+
+  kmod = callPackage ../os-specific/linux/kmod { };
+
+  kmod-blacklist-ubuntu = callPackage ../os-specific/linux/kmod-blacklist-ubuntu { };
+
+  kvm = qemu_kvm;
+
+  libcap = callPackage ../os-specific/linux/libcap { };
+
+  libcap_progs = callPackage ../os-specific/linux/libcap/progs.nix { };
+
+  libcap_pam = callPackage ../os-specific/linux/libcap/pam.nix { };
+
+  libcap_manpages = callPackage ../os-specific/linux/libcap/man.nix { };
+
+  libcap_ng = callPackage ../os-specific/linux/libcap-ng { };
+
+  libnscd = callPackage ../os-specific/linux/libnscd { };
+
+  libnotify = callPackage ../development/libraries/libnotify { };
+
+  libvolume_id = callPackage ../os-specific/linux/libvolume_id { };
+
+  lsscsi = callPackage ../os-specific/linux/lsscsi { };
+
+  lvm2 = callPackage ../os-specific/linux/lvm2 { };
+
+  mdadm = callPackage ../os-specific/linux/mdadm { };
+
+  mingetty = callPackage ../os-specific/linux/mingetty { };
+
+  module_init_tools = callPackage ../os-specific/linux/module-init-tools { };
+
+  aggregateModules = modules:
+    callPackage ../os-specific/linux/kmod/aggregator.nix {
+      inherit modules;
+    };
+
+  multipath_tools = callPackage ../os-specific/linux/multipath-tools { };
+
+  musl = callPackage ../os-specific/linux/musl { };
+
+  nettools = callPackage ../os-specific/linux/net-tools { };
+
+  neverball = callPackage ../games/neverball {
+    libpng = libpng15;
+  };
+
+  nftables = callPackage ../os-specific/linux/nftables { };
+
+  numactl = callPackage ../os-specific/linux/numactl { };
+
+  gocode = callPackage ../development/tools/gocode { };
+
+  gogoclient = callPackage ../os-specific/linux/gogoclient { };
+
+  nss_ldap = callPackage ../os-specific/linux/nss_ldap { };
+
+  pam = callPackage ../os-specific/linux/pam { };
+
+  # pam_bioapi ( see http://www.thinkwiki.org/wiki/How_to_enable_the_fingerprint_reader )
+
+  pam_ccreds = callPackage ../os-specific/linux/pam_ccreds { };
+
+  pam_console = callPackage ../os-specific/linux/pam_console {
+    libtool = libtool_1_5;
+  };
+
+  pam_devperm = callPackage ../os-specific/linux/pam_devperm { };
+
+  pam_krb5 = callPackage ../os-specific/linux/pam_krb5 { };
+
+  pam_ldap = callPackage ../os-specific/linux/pam_ldap { };
+
+  pam_login = callPackage ../os-specific/linux/pam_login { };
+
+  pam_ssh_agent_auth = callPackage ../os-specific/linux/pam_ssh_agent_auth { };
+
+  pam_usb = callPackage ../os-specific/linux/pam_usb { };
+
+  paxctl = callPackage ../os-specific/linux/paxctl { };
+
+  pax-utils = callPackage ../os-specific/linux/pax-utils { };
+
+  pcmciaUtils = callPackage ../os-specific/linux/pcmciautils {
+    firmware = config.pcmciaUtils.firmware or [];
+    config = config.pcmciaUtils.config or null;
+  };
+
+  plymouth = callPackage ../os-specific/linux/plymouth {
+    automake = automake113x;
+  };
+
+  pmount = callPackage ../os-specific/linux/pmount { };
+
+  pmutils = callPackage ../os-specific/linux/pm-utils { };
+
+  pmtools = callPackage ../os-specific/linux/pmtools { };
+
+  policycoreutils = callPackage ../os-specific/linux/policycoreutils { };
+
+  powertop = callPackage ../os-specific/linux/powertop { };
+
+  prayer = callPackage ../servers/prayer { };
+
+  procps = procps-ng;
+
+  procps-old = lowPrio (callPackage ../os-specific/linux/procps { });
+
+  procps-ng = callPackage ../os-specific/linux/procps-ng { };
+
+  watch = callPackage ../os-specific/linux/procps/watch.nix { };
+
+  qemu_kvm = lowPrio (qemu.override { x86Only = true; });
+
+  firmwareLinuxNonfree = callPackage ../os-specific/linux/firmware/firmware-linux-nonfree { };
+
+  radeontools = callPackage ../os-specific/linux/radeontools { };
+
+  raspberrypifw = callPackage ../os-specific/linux/firmware/raspberrypi {};
+
+  regionset = callPackage ../os-specific/linux/regionset { };
+
+  rfkill = callPackage ../os-specific/linux/rfkill { };
+
+  rfkill_udev = callPackage ../os-specific/linux/rfkill/udev.nix { };
+
+  rtkit = callPackage ../os-specific/linux/rtkit { };
+
+  sdparm = callPackage ../os-specific/linux/sdparm { };
+
+  sepolgen = callPackage ../os-specific/linux/sepolgen { };
+
+  setools = callPackage ../os-specific/linux/setools { };
+
+  shadow = callPackage ../os-specific/linux/shadow { };
+
+  statifier = builderDefsPackage (import ../os-specific/linux/statifier) { };
+
+  sysdig = callPackage ../os-specific/linux/sysdig {
+    kernel = null;
+  }; # pkgs.sysdig is a client, for a driver look at linuxPackagesFor
+
+  sysfsutils = callPackage ../os-specific/linux/sysfsutils { };
+
+  sysprof = callPackage ../development/tools/profiling/sysprof {
+    inherit (gnome) libglade;
+  };
+
+  # Provided with sysfsutils.
+  libsysfs = sysfsutils;
+  systool = sysfsutils;
+
+  sysklogd = callPackage ../os-specific/linux/sysklogd { };
+
+  syslinux = callPackage ../os-specific/linux/syslinux { };
+
+  sysstat = callPackage ../os-specific/linux/sysstat { };
+
+  systemd = callPackage ../os-specific/linux/systemd {
+    linuxHeaders = linuxHeaders_3_14;
+  };
+
+  systemtap = callPackage ../development/tools/profiling/systemtap {
+    inherit (gnome) libglademm;
+  };
+
+  # In nixos, you can set systemd.package = pkgs.systemd_with_lvm2 to get
+  # LVM2 working in systemd.
+  systemd_with_lvm2 = pkgs.lib.overrideDerivation pkgs.systemd (p: {
+      name = p.name + "-with-lvm2";
+      postInstall = p.postInstall + ''
+        cp "${pkgs.lvm2}/lib/systemd/system-generators/"* $out/lib/systemd/system-generators
+      '';
+  });
+
+  sysvinit = callPackage ../os-specific/linux/sysvinit { };
+
+  sysvtools = callPackage ../os-specific/linux/sysvinit {
+    withoutInitTools = true;
+  };
+
+  # FIXME: `tcp-wrapper' is actually not OS-specific.
+  tcp_wrappers = callPackage ../os-specific/linux/tcp-wrappers { };
+
+  trackballs = callPackage ../games/trackballs {
+    debug = false;
+    guile = guile_1_8;
+  };
+
+  tunctl = callPackage ../os-specific/linux/tunctl { };
+
+  ubootChooser = name : if name == "upstream" then ubootUpstream
+    else if name == "sheevaplug" then ubootSheevaplug
+    else if name == "guruplug" then ubootGuruplug
+    else if name == "nanonote" then ubootNanonote
+    else throw "Unknown uboot";
+
+  ubootUpstream = callPackage ../misc/uboot { };
+
+  ubootSheevaplug = callPackage ../misc/uboot/sheevaplug.nix { };
+
+  ubootNanonote = callPackage ../misc/uboot/nanonote.nix { };
+
+  ubootGuruplug = callPackage ../misc/uboot/guruplug.nix { };
+
+  uclibc = callPackage ../os-specific/linux/uclibc { };
+
+  uclibcCross = lowPrio (callPackage ../os-specific/linux/uclibc {
+    inherit fetchurl stdenv libiconv;
+    linuxHeaders = linuxHeadersCross;
+    gccCross = gccCrossStageStatic;
+    cross = assert crossSystem != null; crossSystem;
+  });
+
+  udev145 = callPackage ../os-specific/linux/udev/145.nix { };
+  udev = pkgs.systemd;
+
+  udisks1 = callPackage ../os-specific/linux/udisks/1-default.nix { };
+  udisks2 = callPackage ../os-specific/linux/udisks/2-default.nix { };
+  udisks = udisks1;
+
+  udisks_glue = callPackage ../os-specific/linux/udisks-glue { };
+
+  untie = callPackage ../os-specific/linux/untie { };
+
+  upower = callPackage ../os-specific/linux/upower { };
+
+  upower_99 = callPackage ../os-specific/linux/upower/0.99.nix { };
+
+  upstart = callPackage ../os-specific/linux/upstart { };
+
+  usbutils = callPackage ../os-specific/linux/usbutils { };
+
+  usermount = callPackage ../os-specific/linux/usermount { };
+
+  utillinux = lowPrio (callPackage ../os-specific/linux/util-linux {
+    ncurses = null;
+    perl = null;
+  });
+
+  utillinuxCurses = utillinux.override {
+    inherit ncurses perl;
+  };
+
+  v4l_utils = callPackage ../os-specific/linux/v4l-utils {
+    withQt4 = true;
+  };
+
+  windows = rec {
+    cygwinSetup = callPackage ../os-specific/windows/cygwin-setup { };
+
+    jom = callPackage ../os-specific/windows/jom { };
+
+    w32api = callPackage ../os-specific/windows/w32api {
+      gccCross = gccCrossStageStatic;
+      binutilsCross = binutilsCross;
+    };
+
+    w32api_headers = w32api.override {
+      onlyHeaders = true;
+    };
+
+    mingw_runtime = callPackage ../os-specific/windows/mingwrt {
+      gccCross = gccCrossMingw2;
+      binutilsCross = binutilsCross;
+    };
+
+    mingw_runtime_headers = mingw_runtime.override {
+      onlyHeaders = true;
+    };
+
+    mingw_headers1 = buildEnv {
+      name = "mingw-headers-1";
+      paths = [ w32api_headers mingw_runtime_headers ];
+    };
+
+    mingw_headers2 = buildEnv {
+      name = "mingw-headers-2";
+      paths = [ w32api mingw_runtime_headers ];
+    };
+
+    mingw_headers3 = buildEnv {
+      name = "mingw-headers-3";
+      paths = [ w32api mingw_runtime ];
+    };
+
+    mingw_w64 = callPackage ../os-specific/windows/mingw-w64 {
+      gccCross = gccCrossStageStatic;
+      binutilsCross = binutilsCross;
+    };
+
+    mingw_w64_headers = callPackage ../os-specific/windows/mingw-w64 {
+      onlyHeaders = true;
+    };
+
+    mingw_w64_pthreads = callPackage ../os-specific/windows/mingw-w64 {
+      onlyPthreads = true;
+    };
+
+    pthreads = callPackage ../os-specific/windows/pthread-w32 {
+      mingw_headers = mingw_headers3;
+    };
+
+    wxMSW = callPackage ../os-specific/windows/wxMSW-2.8 { };
+  };
+
+  wesnoth = callPackage ../games/wesnoth {
+    lua = lua5;
+  };
+
+  wirelesstools = callPackage ../os-specific/linux/wireless-tools { };
+
+  wpa_supplicant = callPackage ../os-specific/linux/wpa_supplicant { };
+
+  wpa_supplicant_gui = callPackage ../os-specific/linux/wpa_supplicant/gui.nix { };
+
+  xf86_input_mtrack = callPackage ../os-specific/linux/xf86-input-mtrack {
+    inherit (xorg) utilmacros xproto inputproto xorgserver;
+  };
+
+  xf86_input_multitouch =
+    callPackage ../os-specific/linux/xf86-input-multitouch { };
+
+  xf86_input_wacom = callPackage ../os-specific/linux/xf86-input-wacom { };
+
+  xf86_video_nested = callPackage ../os-specific/linux/xf86-video-nested {
+    inherit (xorg) fontsproto renderproto utilmacros xorgserver;
+  };
+
+  xf86_video_nouveau = xorg.xf86videonouveau;
+
+  xmoto = builderDefsPackage (import ../games/xmoto) {
+    inherit chipmunk sqlite curl zlib bzip2 libjpeg libpng
+      freeglut mesa SDL SDL_mixer SDL_image SDL_net SDL_ttf
+      lua5 ode libxdg_basedir libxml2;
+  };
+
+  xorg_sys_opengl = callPackage ../os-specific/linux/opengl/xorg-sys { };
+
+  zd1211fw = callPackage ../os-specific/linux/firmware/zd1211 { };
+
+
+  ### DATA
+
+  andagii = callPackage ../data/fonts/andagii {};
+
+  anonymousPro = callPackage ../data/fonts/anonymous-pro {};
+
+  arkpandora_ttf = builderDefsPackage (import ../data/fonts/arkpandora) { };
+
+  aurulent-sans = callPackage ../data/fonts/aurulent-sans { };
+
+  bakoma_ttf = callPackage ../data/fonts/bakoma-ttf { };
+
+  cacert = callPackage ../data/misc/cacert { };
+
+  cantarell_fonts = callPackage ../data/fonts/cantarell-fonts { };
+
+  corefonts = callPackage ../data/fonts/corefonts { };
+
+  wrapFonts = paths : ((import ../data/fonts/fontWrap) {
+    inherit fetchurl stdenv builderDefs paths;
+    inherit (xorg) mkfontdir mkfontscale;
+  });
+
+  clearlyU = callPackage ../data/fonts/clearlyU { };
+
+  cm_unicode = callPackage ../data/fonts/cm-unicode {};
+
+  dejavu_fonts = callPackage ../data/fonts/dejavu-fonts {
+    inherit (perlPackages) FontTTF;
+  };
+
+  docbook5 = callPackage ../data/sgml+xml/schemas/docbook-5.0 { };
+
+  docbook_sgml_dtd_31 = callPackage ../data/sgml+xml/schemas/sgml-dtd/docbook/3.1.nix { };
+
+  docbook_sgml_dtd_41 = callPackage ../data/sgml+xml/schemas/sgml-dtd/docbook/4.1.nix { };
+
+  docbook_xml_dtd_412 = callPackage ../data/sgml+xml/schemas/xml-dtd/docbook/4.1.2.nix { };
+
+  docbook_xml_dtd_42 = callPackage ../data/sgml+xml/schemas/xml-dtd/docbook/4.2.nix { };
+
+  docbook_xml_dtd_43 = callPackage ../data/sgml+xml/schemas/xml-dtd/docbook/4.3.nix { };
+
+  docbook_xml_dtd_45 = callPackage ../data/sgml+xml/schemas/xml-dtd/docbook/4.5.nix { };
+
+  docbook_xml_ebnf_dtd = callPackage ../data/sgml+xml/schemas/xml-dtd/docbook-ebnf { };
+
+  docbook_xml_xslt = docbook_xsl;
+
+  docbook_xsl = callPackage ../data/sgml+xml/stylesheets/xslt/docbook-xsl { };
+
+  docbook5_xsl = docbook_xsl_ns;
+
+  docbook_xsl_ns = callPackage ../data/sgml+xml/stylesheets/xslt/docbook-xsl-ns { };
+
+  dosemu_fonts = callPackage ../data/fonts/dosemu-fonts { };
+
+  eb-garamond = callPackage ../data/fonts/eb-garamond { };
+
+  fira = callPackage ../data/fonts/fira { };
+
+  freefont_ttf = callPackage ../data/fonts/freefont-ttf { };
+
+  freepats = callPackage ../data/misc/freepats { };
+
+  gentium = callPackage ../data/fonts/gentium {};
+
+  gnome_user_docs = callPackage ../data/documentation/gnome-user-docs { };
+
+  inherit (gnome3) gsettings_desktop_schemas;
+
+  hicolor_icon_theme = callPackage ../data/icons/hicolor-icon-theme { };
+
+  inconsolata = callPackage ../data/fonts/inconsolata {};
+
+  ipafont = callPackage ../data/fonts/ipafont {};
+
+  junicode = callPackage ../data/fonts/junicode { };
+
+  kochi-substitute = callPackage ../data/fonts/kochi-substitute {};
+
+  kochi-substitute-naga10 = callPackage ../data/fonts/kochi-substitute-naga10 {};
+
+  liberation_ttf = callPackage ../data/fonts/redhat-liberation-fonts { };
+
+  libertine = builderDefsPackage (import ../data/fonts/libertine) {
+    inherit fetchurl fontforge lib;
+  };
+
+  lmmath = callPackage ../data/fonts/lmodern/lmmath.nix {};
+
+  lmodern = callPackage ../data/fonts/lmodern { };
+
+  lohit-fonts = callPackage ../data/fonts/lohit-fonts { };
+
+  manpages = callPackage ../data/documentation/man-pages { };
+
+  miscfiles = callPackage ../data/misc/miscfiles { };
+
+  mobile_broadband_provider_info = callPackage ../data/misc/mobile-broadband-provider-info { };
+
+  mph_2b_damase = callPackage ../data/fonts/mph-2b-damase { };
+
+  nafees = callPackage ../data/fonts/nafees { };
+
+  oldstandard = callPackage ../data/fonts/oldstandard { };
+
+  opensans-ttf = callPackage ../data/fonts/opensans-ttf { };
+
+  poly = callPackage ../data/fonts/poly { };
+
+  posix_man_pages = callPackage ../data/documentation/man-pages-posix { };
+
+  pthreadmanpages = callPackage ../data/documentation/pthread-man-pages { };
+
+  shared_mime_info = callPackage ../data/misc/shared-mime-info { };
+
+  shared_desktop_ontologies = callPackage ../data/misc/shared-desktop-ontologies { };
+
+  stdmanpages = callPackage ../data/documentation/std-man-pages { };
+
+  symbola = callPackage ../data/fonts/symbola { };
+
+  iana_etc = callPackage ../data/misc/iana-etc { };
+
+  poppler_data = callPackage ../data/misc/poppler-data { };
+
+  r3rs = callPackage ../data/documentation/rnrs/r3rs.nix { };
+
+  r4rs = callPackage ../data/documentation/rnrs/r4rs.nix { };
+
+  r5rs = callPackage ../data/documentation/rnrs/r5rs.nix { };
+
+  source-code-pro = callPackage ../data/fonts/source-code-pro {};
+
+  source-sans-pro = callPackage ../data/fonts/source-sans-pro { };
+
+  source-serif-pro = callPackage ../data/fonts/source-serif-pro { };
+
+  source-han-sans-japanese = callPackage ../data/fonts/source-han-sans/japanese.nix {};
+  source-han-sans-korean = callPackage ../data/fonts/source-han-sans/korean.nix {};
+  source-han-sans-simplified-chinese = callPackage ../data/fonts/source-han-sans/simplified-chinese.nix {};
+  source-han-sans-traditional-chinese = callPackage ../data/fonts/source-han-sans/traditional-chinese.nix {};
+
+  tango-icon-theme = callPackage ../data/icons/tango-icon-theme { };
+
+  themes = name: import (../data/misc/themes + ("/" + name + ".nix")) {
+    inherit fetchurl;
+  };
+
+  theano = callPackage ../data/fonts/theano { };
+
+  tempora_lgc = callPackage ../data/fonts/tempora-lgc { };
+
+  terminus_font = callPackage ../data/fonts/terminus-font { };
+
+  tipa = callPackage ../data/fonts/tipa { };
+
+  ttf_bitstream_vera = callPackage ../data/fonts/ttf-bitstream-vera { };
+
+  tzdata = callPackage ../data/misc/tzdata { };
+
+  ubuntu_font_family = callPackage ../data/fonts/ubuntu-font-family { };
+
+  ucsFonts = callPackage ../data/fonts/ucs-fonts { };
+
+  unifont = callPackage ../data/fonts/unifont { };
+
+  vistafonts = callPackage ../data/fonts/vista-fonts { };
+
+  wqy_microhei = callPackage ../data/fonts/wqy-microhei { };
+
+  wqy_zenhei = callPackage ../data/fonts/wqy-zenhei { };
+
+  xhtml1 = callPackage ../data/sgml+xml/schemas/xml-dtd/xhtml1 { };
+
+  xkeyboard_config = xorg.xkeyboardconfig;
+
+
+  ### APPLICATIONS
+
+  a2jmidid = callPackage ../applications/audio/a2jmidid { };
+
+  aangifte2006 = callPackage_i686 ../applications/taxes/aangifte-2006 { };
+
+  aangifte2007 = callPackage_i686 ../applications/taxes/aangifte-2007 { };
+
+  aangifte2008 = callPackage_i686 ../applications/taxes/aangifte-2008 { };
+
+  aangifte2009 = callPackage_i686 ../applications/taxes/aangifte-2009 { };
+
+  aangifte2010 = callPackage_i686 ../applications/taxes/aangifte-2010 { };
+
+  aangifte2011 = callPackage_i686 ../applications/taxes/aangifte-2011 { };
+
+  aangifte2012 = callPackage_i686 ../applications/taxes/aangifte-2012 { };
+
+  aangifte2013 = callPackage_i686 ../applications/taxes/aangifte-2013 { };
+
+  abcde = callPackage ../applications/audio/abcde {
+    inherit (perlPackages) DigestSHA MusicBrainz MusicBrainzDiscID;
+    libcdio = libcdio082;
+  };
+
+  abiword = callPackage ../applications/office/abiword {
+    inherit (gnome) libglade libgnomecanvas;
+  };
+
+  abook = callPackage ../applications/misc/abook { };
+
+  adobe-reader = callPackage_i686 ../applications/misc/adobe-reader { };
+
+  aewan = callPackage ../applications/editors/aewan { };
+
+  alchemy = callPackage ../applications/graphics/alchemy { };
+
+  ams-lv2 = callPackage ../applications/audio/ams-lv2 { };
+
+  amsn = callPackage ../applications/networking/instant-messengers/amsn { };
+
+  antiword = callPackage ../applications/office/antiword {};
+
+  ardour = ardour3;
+
+  ardour3 =  lowPrio (callPackage ../applications/audio/ardour {
+    inherit (gnome) libgnomecanvas libgnomecanvasmm;
+  });
+
+  arora = callPackage ../applications/networking/browsers/arora { };
+
+  atom = callPackage ../applications/editors/atom {
+    gconf = gnome.GConf;
+  };
+
+  aseprite = callPackage ../applications/editors/aseprite {
+    giflib = giflib_4_1;
+  };
+
+  audacious = callPackage ../applications/audio/audacious { };
+
+  audacity = callPackage ../applications/audio/audacity {
+    ffmpeg = ffmpeg_0_10;
+  };
+
+  milkytracker = callPackage ../applications/audio/milkytracker { };
+
+  aumix = callPackage ../applications/audio/aumix {
+    gtkGUI = false;
+  };
+
+  autopanosiftc = callPackage ../applications/graphics/autopanosiftc { };
+
+  avidemux = callPackage ../applications/video/avidemux { };
+
+  avogadro = callPackage ../applications/science/chemistry/avogadro {
+    eigen = eigen2;
+  };
+
+  avrdudess = callPackage ../applications/misc/avrdudess { };
+
+  avxsynth = callPackage ../applications/video/avxsynth { };
+
+  awesome-3-4 = callPackage ../applications/window-managers/awesome/3.4.nix {
+    lua = lua5;
+    cairo = cairo.override { xcbSupport = true; };
+  };
+  awesome-3-5 = callPackage ../applications/window-managers/awesome {
+    lua   = lua5_1;
+    cairo = cairo.override { xcbSupport = true; };
+  };
+  awesome = awesome-3-5;
+
+  inherit (gnome3) baobab;
+
+  bar = callPackage ../applications/window-managers/bar { };
+
+  baresip = callPackage ../applications/networking/instant-messengers/baresip {
+    ffmpeg = ffmpeg_1;
+  };
+
+  batik = callPackage ../applications/graphics/batik { };
+
+  bazaar = callPackage ../applications/version-management/bazaar { };
+
+  bazaarTools = builderDefsPackage (import ../applications/version-management/bazaar/tools.nix) {
+    inherit bazaar;
+  };
+
+  beast = callPackage ../applications/audio/beast {
+    inherit (gnome) libgnomecanvas libart_lgpl;
+    guile = guile_1_8;
+  };
+
+  bibletime = callPackage ../applications/misc/bibletime { };
+
+  bitcoin = callPackage ../applications/misc/bitcoin { };
+
+  bitlbee = callPackage ../applications/networking/instant-messengers/bitlbee {
+    gnutls = gnutls;
+    libotr = libotr_3_2;
+  };
+
+  blender = callPackage  ../applications/misc/blender {
+    python = python34;
+  };
+
+  bristol = callPackage ../applications/audio/bristol { };
+
+  bspwm = callPackage ../applications/window-managers/bspwm { };
+
+  bvi = callPackage ../applications/editors/bvi { };
+
+  calf = callPackage ../applications/audio/calf {
+      inherit (gnome) libglade;
+  };
+
+  calibre = callPackage ../applications/misc/calibre {
+    inherit (pythonPackages) pyqt5 sip_4_16;
+  };
+
+  camlistore = callPackage ../applications/misc/camlistore { };
+
+  carrier = builderDefsPackage (import ../applications/networking/instant-messengers/carrier/2.5.0.nix) {
+    inherit fetchurl stdenv pkgconfig perl perlXMLParser libxml2 openssl nss
+      gtkspell aspell gettext ncurses avahi dbus dbus_glib python
+      libtool automake autoconf gstreamer;
+    inherit gtk glib;
+    inherit (gnome) startupnotification GConf ;
+    inherit (xlibs) libXScrnSaver scrnsaverproto libX11 xproto kbproto;
+  };
+  funpidgin = carrier;
+
+  cc1394 = callPackage ../applications/video/cc1394 { };
+
+  cddiscid = callPackage ../applications/audio/cd-discid { };
+
+  cdparanoia = cdparanoiaIII;
+
+  cdparanoiaIII = callPackage ../applications/audio/cdparanoia { };
+
+  cdrtools = callPackage ../applications/misc/cdrtools { };
+
+  centerim = callPackage ../applications/networking/instant-messengers/centerim { };
+
+  cgit = callPackage ../applications/version-management/git-and-tools/cgit { };
+
+  cgminer = callPackage ../applications/misc/cgminer {
+    amdappsdk = amdappsdk28;
+  };
+
+  chatzilla = callPackage ../applications/networking/irc/chatzilla { };
+
+  chromium = lowPrio (callPackage ../applications/networking/browsers/chromium {
+    channel = "stable";
+    pulseSupport = config.pulseaudio or true;
+    enablePepperFlash = config.chromium.enablePepperFlash or false;
+    enablePepperPDF = config.chromium.enablePepperPDF or false;
+  });
+
+  chromiumBeta = lowPrio (chromium.override { channel = "beta"; });
+  chromiumBetaWrapper = lowPrio (wrapChromium chromiumBeta);
+
+  chromiumDev = lowPrio (chromium.override { channel = "dev"; });
+  chromiumDevWrapper = lowPrio (wrapChromium chromiumDev);
+
+  chromiumWrapper = wrapChromium chromium;
+
+  cinelerra = callPackage ../applications/video/cinelerra { };
+
+  clipit = callPackage ../applications/misc/clipit { };
+
+  cmus = callPackage ../applications/audio/cmus { };
+
+  compiz = callPackage ../applications/window-managers/compiz {
+    inherit (gnome) GConf ORBit2 metacity;
+    boost = boost149; # https://bugs.launchpad.net/compiz/+bug/1131864
+  };
+
+  coriander = callPackage ../applications/video/coriander {
+    inherit (gnome) libgnomeui GConf;
+  };
+
+  csound = callPackage ../applications/audio/csound { };
+
+  cinepaint = callPackage ../applications/graphics/cinepaint {
+    fltk = fltk13;
+    libpng = libpng12;
+  };
+
+  codeblocks = callPackage ../applications/editors/codeblocks { };
+  codeblocksFull = callPackage ../applications/editors/codeblocks { contribPlugins = true; };
+
+  codeville = builderDefsPackage (import ../applications/version-management/codeville/0.8.0.nix) {
+    inherit makeWrapper;
+    python = pythonFull;
+  };
+
+  comical = callPackage ../applications/graphics/comical { };
+
+  conkeror = callPackage ../applications/networking/browsers/conkeror { };
+
+  conkerorWrapper = wrapFirefox {
+    browser = conkeror;
+    browserName = "conkeror";
+    desktopName = "Conkeror";
+  };
+
+  cuneiform = builderDefsPackage (import ../tools/graphics/cuneiform) {
+    inherit cmake patchelf;
+    imagemagick = imagemagick;
+  };
+
+  cvs = callPackage ../applications/version-management/cvs { };
+
+  cvsps = callPackage ../applications/version-management/cvsps { };
+
+  cvs2svn = callPackage ../applications/version-management/cvs2svn { };
+
+  d4x = callPackage ../applications/misc/d4x { };
+
+  darcs = with haskellPackages_ghc783; callPackage ../applications/version-management/darcs {
+    cabal = cabal.override {
+      extension = self : super : {
+        isLibrary = false;
+        configureFlags = "-f-library " + super.configureFlags or "";
+      };
+    };
+  };
+
+  darktable = callPackage ../applications/graphics/darktable {
+    inherit (gnome) GConf libglade;
+  };
+
+  dd-agent = callPackage ../tools/networking/dd-agent { inherit (pythonPackages) tornado; };
+
+  dia = callPackage ../applications/graphics/dia {
+    inherit (pkgs.gnome) libart_lgpl libgnomeui;
+  };
+
+  diffuse = callPackage ../applications/version-management/diffuse { };
+
+  distrho = callPackage ../applications/audio/distrho {};
+
+  djvulibre = callPackage ../applications/misc/djvulibre { };
+
+  djvu2pdf = callPackage ../tools/typesetting/djvu2pdf { };
+
+  djview = callPackage ../applications/graphics/djview { };
+  djview4 = pkgs.djview;
+
+  dmenu = callPackage ../applications/misc/dmenu {
+    enableXft = config.dmenu.enableXft or false;
+  };
+
+  dmtx = builderDefsPackage (import ../tools/graphics/dmtx) {
+    inherit libpng libtiff libjpeg imagemagick librsvg
+      pkgconfig bzip2 zlib libtool freetype fontconfig
+      ghostscript jasper xz;
+    inherit (xlibs) libX11;
+  };
+
+  docker = callPackage ../applications/virtualization/docker { };
+
+  doodle = callPackage ../applications/search/doodle { };
+
+  dunst = callPackage ../applications/misc/dunst { };
+
+  dvb_apps  = callPackage ../applications/video/dvb-apps { };
+
+  dvdauthor = callPackage ../applications/video/dvdauthor { };
+
+  dwb = callPackage ../applications/networking/browsers/dwb { dconf = gnome3.dconf; };
+
+  dwbWrapper = wrapFirefox
+    { browser = dwb; browserName = "dwb"; desktopName = "dwb";
+    };
+
+  dwm = callPackage ../applications/window-managers/dwm {
+    patches = config.dwm.patches or [];
+  };
+
+  dzen2 = callPackage ../applications/window-managers/dzen2 { };
+
+  eaglemode = callPackage ../applications/misc/eaglemode { };
+
+  eclipses = recurseIntoAttrs (callPackage ../applications/editors/eclipse { });
+
+  ed = callPackage ../applications/editors/ed { };
+
+  ekho = callPackage ../applications/audio/ekho { };
+
+  electrum = callPackage ../applications/misc/electrum { };
+
+  elinks = callPackage ../applications/networking/browsers/elinks { };
+
+  elvis = callPackage ../applications/editors/elvis { };
+
+  emacs = emacs24;
+
+  emacs24 = callPackage ../applications/editors/emacs-24 {
+    # use override to enable additional features
+    libXaw = xlibs.libXaw;
+    Xaw3d = null;
+    gconf = null;
+    librsvg = null;
+    alsaLib = null;
+    imagemagick = null;
+  };
+
+  emacs24-nox = lowPrio (appendToName "nox" (emacs24.override {
+    withX = false;
+  }));
+
+  emacs24Macport = lowPrio (callPackage ../applications/editors/emacs-24/macport.nix {
+    stdenv = pkgs.clangStdenv;
+  });
+
+  emacsPackages = emacs: self: let callPackage = newScope self; in rec {
+    inherit emacs;
+
+    autoComplete = callPackage ../applications/editors/emacs-modes/auto-complete { };
+
+    bbdb = callPackage ../applications/editors/emacs-modes/bbdb { };
+
+    bbdb3 = callPackage ../applications/editors/emacs-modes/bbdb/3.nix {};
+
+    cedet = callPackage ../applications/editors/emacs-modes/cedet { };
+
+    calfw = callPackage ../applications/editors/emacs-modes/calfw { };
+
+    coffee = callPackage ../applications/editors/emacs-modes/coffee { };
+
+    colorTheme = callPackage ../applications/editors/emacs-modes/color-theme { };
+
+    colorThemeSolarized = callPackage ../applications/editors/emacs-modes/color-theme-solarized { };
+
+    cryptol = callPackage ../applications/editors/emacs-modes/cryptol { };
+
+    cua = callPackage ../applications/editors/emacs-modes/cua { };
+
+    darcsum = callPackage ../applications/editors/emacs-modes/darcsum { };
+
+    # ecb = callPackage ../applications/editors/emacs-modes/ecb { };
+
+    jabber = callPackage ../applications/editors/emacs-modes/jabber { };
+
+    emacsClangCompleteAsync = callPackage ../applications/editors/emacs-modes/emacs-clang-complete-async { };
+
+    emacsSessionManagement = callPackage ../applications/editors/emacs-modes/session-management-for-emacs { };
+
+    emacsw3m = callPackage ../applications/editors/emacs-modes/emacs-w3m { };
+
+    emms = callPackage ../applications/editors/emacs-modes/emms { };
+
+    ess = callPackage ../applications/editors/emacs-modes/ess { };
+
+    flymakeCursor = callPackage ../applications/editors/emacs-modes/flymake-cursor { };
+
+    gh = callPackage ../applications/editors/emacs-modes/gh { };
+
+    graphvizDot = callPackage ../applications/editors/emacs-modes/graphviz-dot { };
+
+    gist = callPackage ../applications/editors/emacs-modes/gist { };
+
+    idris = callPackage ../applications/editors/emacs-modes/idris { };
+
+    jade = callPackage ../applications/editors/emacs-modes/jade { };
+
+    jdee = callPackage ../applications/editors/emacs-modes/jdee {
+      # Requires Emacs 23, for `avl-tree'.
+    };
+
+    js2 = callPackage ../applications/editors/emacs-modes/js2 { };
+
+    stratego = callPackage ../applications/editors/emacs-modes/stratego { };
+
+    haskellMode = callPackage ../applications/editors/emacs-modes/haskell { };
+
+    ocamlMode = callPackage ../applications/editors/emacs-modes/ocaml { };
+
+    structuredHaskellMode = callPackage ../applications/editors/emacs-modes/structured-haskell-mode {
+      inherit (haskellPackages) cabal haskellSrcExts;
+    };
+
+    tuaregMode = callPackage ../applications/editors/emacs-modes/tuareg { };
+
+    hol_light_mode = callPackage ../applications/editors/emacs-modes/hol_light { };
+
+    htmlize = callPackage ../applications/editors/emacs-modes/htmlize { };
+
+    logito = callPackage ../applications/editors/emacs-modes/logito { };
+
+    loremIpsum = callPackage ../applications/editors/emacs-modes/lorem-ipsum { };
+
+    magit = callPackage ../applications/editors/emacs-modes/magit { };
+
+    maudeMode = callPackage ../applications/editors/emacs-modes/maude { };
+
+    metaweblog = callPackage ../applications/editors/emacs-modes/metaweblog { };
+
+    notmuch = lowPrio (callPackage ../applications/networking/mailreaders/notmuch { });
+
+    offlineimap = callPackage ../applications/editors/emacs-modes/offlineimap {};
+
+    # This is usually a newer version of Org-Mode than that found in GNU Emacs, so
+    # we want it to have higher precedence.
+    org = hiPrio (callPackage ../applications/editors/emacs-modes/org { });
+
+    org2blog = callPackage ../applications/editors/emacs-modes/org2blog { };
+
+    pcache = callPackage ../applications/editors/emacs-modes/pcache { };
+
+    phpMode = callPackage ../applications/editors/emacs-modes/php { };
+
+    prologMode = callPackage ../applications/editors/emacs-modes/prolog { };
+
+    proofgeneral_4_2 = callPackage ../applications/editors/emacs-modes/proofgeneral/4.2.nix {
+      texinfo = texinfo4 ;
+      texLive = pkgs.texLiveAggregationFun {
+        paths = [ pkgs.texLive pkgs.texLiveCMSuper ];
+      };
+    };
+    proofgeneral_4_3_pre = callPackage ../applications/editors/emacs-modes/proofgeneral/4.3pre.nix {
+      texinfo = texinfo4 ;
+      texLive = pkgs.texLiveAggregationFun {
+        paths = [ pkgs.texLive pkgs.texLiveCMSuper ];
+      };
+    };
+    proofgeneral = self.proofgeneral_4_2;
+
+    quack = callPackage ../applications/editors/emacs-modes/quack { };
+
+    rectMark = callPackage ../applications/editors/emacs-modes/rect-mark { };
+
+    remember = callPackage ../applications/editors/emacs-modes/remember { };
+
+    rudel = callPackage ../applications/editors/emacs-modes/rudel { };
+
+    sbtMode = callPackage ../applications/editors/emacs-modes/sbt-mode { };
+
+    scalaMode1 = callPackage ../applications/editors/emacs-modes/scala-mode/v1.nix { };
+    scalaMode2 = callPackage ../applications/editors/emacs-modes/scala-mode/v2.nix { };
+
+    sunriseCommander = callPackage ../applications/editors/emacs-modes/sunrise-commander { };
+
+    writeGood = callPackage ../applications/editors/emacs-modes/writegood { };
+
+    xmlRpc = callPackage ../applications/editors/emacs-modes/xml-rpc { };
+  };
+
+  emacs24Packages = recurseIntoAttrs (emacsPackages emacs24 pkgs.emacs24Packages);
+
+  inherit (gnome3) empathy;
+
+  epdfview = callPackage ../applications/misc/epdfview { };
+
+  inherit (gnome3) epiphany;
+
+  espeak = callPackage ../applications/audio/espeak { };
+
+  espeakedit = callPackage ../applications/audio/espeak/edit.nix { };
+
+  esniper = callPackage ../applications/networking/esniper { };
+
+  etherape = callPackage ../applications/networking/sniffers/etherape {
+    inherit (gnome) gnomedocutils libgnome libglade libgnomeui scrollkeeper;
+  };
+
+  evopedia = callPackage ../applications/misc/evopedia { };
+
+  keepassx = callPackage ../applications/misc/keepassx { };
+  keepassx2 = callPackage ../applications/misc/keepassx/2.0.nix { };
+
+  inherit (gnome3) evince;
+  evolution_data_server = gnome3.evolution_data_server;
+
+  keepass = callPackage ../applications/misc/keepass { };
+
+  exrdisplay = callPackage ../applications/graphics/exrdisplay {
+    fltk = fltk20;
+  };
+
+  fbpanel = callPackage ../applications/window-managers/fbpanel { };
+
+  fbreader = callPackage ../applications/misc/fbreader { };
+
+  fetchmail = import ../applications/misc/fetchmail {
+    inherit stdenv fetchurl openssl;
+  };
+
+  fldigi = callPackage ../applications/audio/fldigi { };
+
+  fluidsynth = callPackage ../applications/audio/fluidsynth { };
+
+  fossil = callPackage ../applications/version-management/fossil { };
+
+  fribid = callPackage ../applications/networking/browsers/mozilla-plugins/fribid { };
+
+  fvwm = callPackage ../applications/window-managers/fvwm { };
+
+  geany = callPackage ../applications/editors/geany { };
+
+  gksu = callPackage ../applications/misc/gksu { };
+
+  gnuradio = callPackage ../applications/misc/gnuradio {
+    inherit (pythonPackages) lxml numpy scipy matplotlib pyopengl;
+    fftw = fftwFloat;
+  };
+
+  gnuradio-osmosdr = callPackage ../applications/misc/gnuradio-osmosdr { };
+
+  goldendict = callPackage ../applications/misc/goldendict { };
+
+  google-musicmanager = callPackage ../applications/audio/google-musicmanager { };
+
+  gpicview = callPackage ../applications/graphics/gpicview { };
+
+  gqrx = callPackage ../applications/misc/gqrx { };
+
+  grass = import ../applications/misc/grass {
+    inherit (xlibs) libXmu libXext libXp libX11 libXt libSM libICE libXpm
+      libXaw libXrender;
+    inherit config composableDerivation stdenv fetchurl
+      lib flex bison cairo fontconfig
+      gdal zlib ncurses gdbm proj pkgconfig swig
+      blas liblapack libjpeg libpng mysql unixODBC mesa postgresql python
+      readline sqlite tcl tk libtiff freetype makeWrapper wxGTK;
+    fftw = fftwSinglePrec;
+    ffmpeg = ffmpeg_0_10;
+    motif = lesstif;
+    opendwg = libdwg;
+    wxPython = wxPython28;
+  };
+
+  grip = callPackage ../applications/misc/grip {
+    inherit (gnome) libgnome libgnomeui vte;
+  };
+
+  gtimelog = pythonPackages.gtimelog;
+
+  inherit (gnome3) gucharmap;
+
+  guitarix = callPackage ../applications/audio/guitarix {
+    fftw = fftwSinglePrec;
+  };
+
+  photivo = callPackage ../applications/graphics/photivo { };
+
+  wavesurfer = callPackage ../applications/misc/audio/wavesurfer { };
+
+  wireshark = callPackage ../applications/networking/sniffers/wireshark { };
+
+  wvdial = callPackage ../os-specific/linux/wvdial { };
+
+  fbida = callPackage ../applications/graphics/fbida { };
+
+  fdupes = callPackage ../tools/misc/fdupes { };
+
+  feh = callPackage ../applications/graphics/feh { };
+
+  filezilla = callPackage ../applications/networking/ftp/filezilla { };
+
+  firefox13Pkgs = callPackage ../applications/networking/browsers/firefox/13.0.nix {
+    inherit (gnome) libIDL;
+  };
+
+  firefox13Wrapper = wrapFirefox { browser = firefox13Pkgs.firefox; };
+
+  firefox30Pkgs = callPackage ../applications/networking/browsers/firefox/30.nix {
+    inherit (gnome) libIDL;
+    inherit (pythonPackages) pysqlite;
+    libpng = libpng_apng;
+  };
+
+  firefox = callPackage ../applications/networking/browsers/firefox {
+    inherit (gnome) libIDL;
+    inherit (pythonPackages) pysqlite;
+  };
+
+  firefoxWrapper = wrapFirefox { browser = pkgs.firefox; };
+
+  firefox-bin = callPackage ../applications/networking/browsers/firefox-bin {
+    gconf = pkgs.gnome.GConf;
+    inherit (pkgs.gnome) libgnome libgnomeui;
+    inherit (pkgs.xlibs) libX11 libXScrnSaver libXext
+      libXinerama libXrender libXt;
+  };
+
+  flac = callPackage ../applications/audio/flac { };
+
+  flashplayer = callPackage ../applications/networking/browsers/mozilla-plugins/flashplayer-11 {
+    debug = config.flashplayer.debug or false;
+  };
+
+  fluxbox = callPackage ../applications/window-managers/fluxbox { };
+
+  freecad = callPackage ../applications/graphics/freecad {
+    opencascade = opencascade_6_5;
+    inherit (pythonPackages) matplotlib pycollada;
+  };
+
+  freemind = callPackage ../applications/misc/freemind {
+    jdk = jdk;
+    jre = jdk;
+  };
+
+  freenet = callPackage ../applications/networking/p2p/freenet { };
+
+  freepv = callPackage ../applications/graphics/freepv { };
+
+  xfontsel = callPackage ../applications/misc/xfontsel { };
+  xlsfonts = callPackage ../applications/misc/xlsfonts { };
+
+  freerdp = callPackage ../applications/networking/remote/freerdp {
+    ffmpeg = ffmpeg_1;
+  };
+
+  freerdpUnstable = callPackage ../applications/networking/remote/freerdp/unstable.nix { };
+
+  freicoin = callPackage ../applications/misc/freicoin { };
+
+  fspot = callPackage ../applications/graphics/f-spot {
+    inherit (gnome) libgnome libgnomeui;
+    gtksharp = gtksharp1;
+  };
+
+  fuze = callPackage ../applications/networking/instant-messengers/fuze {};
+
+  gcolor2 = callPackage ../applications/graphics/gcolor2 { };
+
+  get_iplayer = callPackage ../applications/misc/get_iplayer {};
+
+  gimp_2_8 = callPackage ../applications/graphics/gimp/2.8.nix {
+    inherit (gnome) libart_lgpl;
+    webkit = null;
+    lcms = lcms2;
+    wrapPython = pythonPackages.wrapPython;
+  };
+
+  gimp = gimp_2_8;
+
+  gimpPlugins = recurseIntoAttrs (import ../applications/graphics/gimp/plugins {
+    inherit pkgs gimp;
+  });
+
+  gitAndTools = recurseIntoAttrs (import ../applications/version-management/git-and-tools {
+    inherit pkgs;
+  });
+  git = gitAndTools.git;
+  gitFull = gitAndTools.gitFull;
+  gitSVN = gitAndTools.gitSVN;
+
+  gitRepo = callPackage ../applications/version-management/git-repo {
+    python = python27;
+  };
+
+  gitolite = callPackage ../applications/version-management/gitolite { };
+
+  inherit (gnome3) gitg;
+
+  giv = callPackage ../applications/graphics/giv {
+    pcre = pcre.override { unicodeSupport = true; };
+  };
+
+  gmrun = callPackage ../applications/misc/gmrun {};
+
+  gnucash = callPackage ../applications/office/gnucash {
+    inherit (gnome2) libgnomeui libgtkhtml gtkhtml libbonoboui libgnomeprint libglade libart_lgpl;
+    gconf = gnome2.GConf;
+    guile = guile_1_8;
+    slibGuile = slibGuile.override { scheme = guile_1_8; };
+    goffice = goffice_0_8;
+  };
+
+  goffice_0_8 = callPackage ../desktops/gnome-3/3.10/misc/goffice/0.8.nix {
+    inherit (gnome2) libglade libgnomeui;
+    gconf = gnome2.GConf;
+    libart = gnome2.libart_lgpl;
+  }; # latest version: gnome3.goffice
+
+  ideas = recurseIntoAttrs (  (callPackage ../applications/editors/idea { })
+                           // (callPackage ../applications/editors/idea/pycharm.nix { }));
+
+  libquvi = callPackage ../applications/video/quvi/library.nix { };
+
+  mi2ly = callPackage ../applications/audio/mi2ly {};
+
+  praat = callPackage ../applications/audio/praat { };
+
+  quvi = callPackage ../applications/video/quvi/tool.nix { };
+
+  quvi_scripts = callPackage ../applications/video/quvi/scripts.nix { };
+
+  qjackctl = callPackage ../applications/audio/qjackctl { };
+
+  gkrellm = callPackage ../applications/misc/gkrellm { };
+
+  gmu = callPackage ../applications/audio/gmu { };
+
+  gnash = callPackage ../applications/video/gnash {
+    inherit (gnome) gtkglext;
+  };
+
+  gnome_mplayer = callPackage ../applications/video/gnome-mplayer {
+    inherit (gnome) GConf;
+  };
+
+  gnumeric = callPackage ../applications/office/gnumeric {
+    inherit (gnome3) goffice gnome_icon_theme;
+  };
+
+  gnunet = callPackage ../applications/networking/p2p/gnunet {
+    libgcrypt = libgcrypt_1_6;
+  };
+
+  gnunet_svn = lowPrio (callPackage ../applications/networking/p2p/gnunet/svn.nix {
+    libgcrypt = libgcrypt_1_6;
+  });
+
+  gocr = callPackage ../applications/graphics/gocr { };
+
+  gobby5 = callPackage ../applications/editors/gobby {
+    inherit (gnome) gtksourceview;
+  };
+
+  gphoto2 = callPackage ../applications/misc/gphoto2 { };
+
+  gphoto2fs = builderDefsPackage ../applications/misc/gphoto2/gphotofs.nix {
+    inherit libgphoto2 fuse pkgconfig glib libtool;
+  };
+
+  graphicsmagick = callPackage ../applications/graphics/graphicsmagick { };
+  graphicsmagick_q16 = callPackage ../applications/graphics/graphicsmagick { quantumdepth = 16; };
+
+  graphicsmagick137 = callPackage ../applications/graphics/graphicsmagick/1.3.7.nix {
+    libpng = libpng12;
+  };
+
+  gtkpod = callPackage ../applications/audio/gtkpod {
+    inherit (gnome) libglade;
+  };
+
+  jbidwatcher = callPackage ../applications/misc/jbidwatcher {
+    java = if stdenv.isLinux then jre else jdk;
+  };
+
+  qrdecode = builderDefsPackage (import ../tools/graphics/qrdecode) {
+    libpng = libpng12;
+    opencv = opencv_2_1;
+  };
+
+  qrencode = callPackage ../tools/graphics/qrencode { };
+
+  gecko_mediaplayer = callPackage ../applications/networking/browsers/mozilla-plugins/gecko-mediaplayer {
+    inherit (gnome) GConf;
+    browser = firefox;
+  };
+
+  geeqie = callPackage ../applications/graphics/geeqie { };
+
+  gigedit = callPackage ../applications/audio/gigedit { };
+
+  gqview = callPackage ../applications/graphics/gqview { };
+
+  gmpc = callPackage ../applications/audio/gmpc { };
+
+  gmtk = callPackage ../applications/networking/browsers/mozilla-plugins/gmtk {
+    inherit (gnome) GConf;
+  };
+
+  googleearth = callPackage_i686 ../applications/misc/googleearth { };
+
+  google_talk_plugin = callPackage ../applications/networking/browsers/mozilla-plugins/google-talk-plugin {
+    libpng = libpng12;
+  };
+
+  gosmore = builderDefsPackage ../applications/misc/gosmore {
+    inherit fetchsvn curl pkgconfig libxml2 gtk;
+  };
+
+  gpsbabel = callPackage ../applications/misc/gpsbabel { };
+
+  gpscorrelate = callPackage ../applications/misc/gpscorrelate { };
+
+  gpsd = callPackage ../servers/gpsd { };
+
+  guitone = callPackage ../applications/version-management/guitone { };
+
+  gv = callPackage ../applications/misc/gv { };
+
+  guvcview = callPackage ../os-specific/linux/guvcview { };
+
+  hello = callPackage ../applications/misc/hello/ex-2 { };
+
+  herbstluftwm = callPackage ../applications/window-managers/herbstluftwm { };
+
+  hexchat = callPackage ../applications/networking/irc/hexchat { };
+
+  hexedit = callPackage ../applications/editors/hexedit { };
+
+  hipchat = callPackage ../applications/networking/instant-messengers/hipchat { };
+
+  homebank = callPackage ../applications/office/homebank { };
+
+  htmldoc = callPackage ../applications/misc/htmldoc {
+    fltk = fltk13;
+  };
+
+  hugin = callPackage ../applications/graphics/hugin { };
+
+  hydrogen = callPackage ../applications/audio/hydrogen { };
+
+  i3 = callPackage ../applications/window-managers/i3 { };
+
+  i3lock = callPackage ../applications/window-managers/i3/lock.nix {
+    inherit (xorg) libxkbfile;
+    cairo = cairo.override { xcbSupport = true; };
+  };
+
+  i3minator = callPackage ../tools/misc/i3minator { };
+
+  i3status = callPackage ../applications/window-managers/i3/status.nix { };
+
+  i810switch = callPackage ../os-specific/linux/i810switch { };
+
+  icewm = callPackage ../applications/window-managers/icewm { };
+
+  id3v2 = callPackage ../applications/audio/id3v2 { };
+
+  ifenslave = callPackage ../os-specific/linux/ifenslave { };
+
+  ii = callPackage ../applications/networking/irc/ii { };
+
+  ike = callPackage ../applications/ike { };
+
+  ikiwiki = callPackage ../applications/misc/ikiwiki {
+    inherit (perlPackages) TextMarkdown URI HTMLParser HTMLScrubber
+      HTMLTemplate TimeDate CGISession DBFile CGIFormBuilder LocaleGettext
+      RpcXML XMLSimple PerlMagick YAML YAMLLibYAML HTMLTree Filechdir
+      AuthenPassphrase NetOpenIDConsumer LWPxParanoidAgent CryptSSLeay;
+  };
+
+  imagemagick = callPackage ../applications/graphics/ImageMagick {
+    tetex = null;
+    librsvg = null;
+  };
+
+  imagemagickBig = lowPrio (callPackage ../applications/graphics/ImageMagick { });
+
+  # Impressive, formerly known as "KeyJNote".
+  impressive = callPackage ../applications/office/impressive {
+    # XXX These are the PyOpenGL dependencies, which we need here.
+    inherit (pythonPackages) pyopengl;
+  };
+
+  inferno = callPackage_i686 ../applications/inferno { };
+
+  inkscape = callPackage ../applications/graphics/inkscape {
+    inherit (pythonPackages) lxml;
+    lcms = lcms2;
+  };
+
+  ion3 = callPackage ../applications/window-managers/ion-3 {
+    lua = lua5;
+  };
+
+  ipe = callPackage ../applications/graphics/ipe { };
+
+  iptraf = callPackage ../applications/networking/iptraf { };
+
+  irssi = callPackage ../applications/networking/irc/irssi {
+    # compile with gccApple on darwin to support the -no-cpp-precompile flag
+    stdenv = if stdenv.isDarwin
+      then stdenvAdapters.overrideGCC stdenv gccApple
+      else stdenv;
+  };
+
+  irssi_fish = callPackage ../applications/networking/irc/irssi/fish { };
+
+  irssi_otr = callPackage ../applications/networking/irc/irssi/otr { };
+
+  bip = callPackage ../applications/networking/irc/bip { };
+
+  jack_capture = callPackage ../applications/audio/jack-capture { };
+
+  jack_oscrolloscope = callPackage ../applications/audio/jack-oscrolloscope { };
+
+  jack_rack = callPackage ../applications/audio/jack-rack { };
+
+  jackmeter = callPackage ../applications/audio/jackmeter { };
+
+  jalv = callPackage ../applications/audio/jalv { };
+
+  jedit = callPackage ../applications/editors/jedit { };
+
+  jigdo = callPackage ../applications/misc/jigdo { };
+
+  jitsi = callPackage ../applications/networking/instant-messengers/jitsi { };
+
+  joe = callPackage ../applications/editors/joe { };
+
+  jbrout = callPackage ../applications/graphics/jbrout {
+    inherit (pythonPackages) lxml;
+  };
+
+  jwm = callPackage ../applications/window-managers/jwm { };
+
+  k3d = callPackage ../applications/graphics/k3d {
+    inherit (pkgs.gnome2) gtkglext;
+  };
+
+  keepnote = callPackage ../applications/office/keepnote {
+    pygtk = pyGtkGlade;
+  };
+
+  kermit = callPackage ../tools/misc/kermit { };
+
+  keymon = callPackage ../applications/video/key-mon { };
+
+  kino = callPackage ../applications/video/kino {
+    inherit (gnome) libglade;
+  };
+
+  lame = callPackage ../applications/audio/lame { };
+
+  larswm = callPackage ../applications/window-managers/larswm { };
+
+  lash = callPackage ../applications/audio/lash { };
+
+  ladspaH = callPackage ../applications/audio/ladspa-plugins/ladspah.nix { };
+
+  ladspaPlugins = callPackage ../applications/audio/ladspa-plugins {
+    fftw = fftwSinglePrec;
+  };
+
+  caps = callPackage ../applications/audio/caps { };
+
+  lastwatch = callPackage ../applications/audio/lastwatch { };
+
+  lastfmsubmitd = callPackage ../applications/audio/lastfmsubmitd { };
+
+  lbdb = callPackage ../tools/misc/lbdb { };
+
+  lci = callPackage ../applications/science/logic/lci {};
+
+  ldcpp = callPackage ../applications/networking/p2p/ldcpp {
+    inherit (gnome) libglade;
+  };
+
+  librecad = callPackage ../applications/misc/librecad { };
+
+  librecad2 = callPackage ../applications/misc/librecad/2.0.nix { };
+
+  libreoffice = callPackage ../applications/office/libreoffice {
+    inherit (perlPackages) ArchiveZip CompressZlib;
+    inherit (gnome) GConf ORBit2 gnome_vfs;
+    zip = zip.override { enableNLS = false; };
+    boost = boost155;
+    jdk = openjdk;
+    fontsConf = makeFontsConf {
+      fontDirectories = [
+        freefont_ttf xorg.fontmiscmisc xorg.fontbhttf
+      ];
+    };
+    clucene_core = clucene_core_2;
+    lcms = lcms2;
+    harfbuzz = harfbuzz.override {
+      withIcu = true; withGraphite2 = true;
+    };
+  };
+
+  liferea = callPackage ../applications/networking/newsreaders/liferea { };
+
+  lingot = callPackage ../applications/audio/lingot {
+    inherit (gnome) libglade;
+  };
+
+  links = callPackage ../applications/networking/browsers/links { };
+
+  ledger = callPackage ../applications/office/ledger/2.6.3.nix { };
+  ledger3 = callPackage ../applications/office/ledger/3.0.nix { };
+
+  lighttable = callPackage ../applications/editors/lighttable {};
+
+  links2 = callPackage ../applications/networking/browsers/links2 { };
+
+  linphone = callPackage ../applications/networking/instant-messengers/linphone rec {
+    inherit (gnome) libglade;
+    libexosip = libexosip_3;
+    libosip = libosip_3;
+  };
+
+  linuxsampler = callPackage ../applications/audio/linuxsampler {
+    bison = bison2;
+  };
+
+  llpp = callPackage ../applications/misc/llpp { inherit (ocamlPackages) lablgl; };
+
+  lmms = callPackage ../applications/audio/lmms { };
+
+  lrzsz = callPackage ../tools/misc/lrzsz { };
+
+  luminanceHDR = callPackage ../applications/graphics/luminance-hdr { };
+
+  lxdvdrip = callPackage ../applications/video/lxdvdrip { };
+
+  handbrake = callPackage ../applications/video/handbrake { };
+
+  lynx = callPackage ../applications/networking/browsers/lynx { };
+
+  lyx = callPackage ../applications/misc/lyx { };
+
+  makeself = callPackage ../applications/misc/makeself { };
+
+  matchbox = callPackage ../applications/window-managers/matchbox { };
+
+  mcpp = callPackage ../development/compilers/mcpp { };
+
+  mda_lv2 = callPackage ../applications/audio/mda-lv2 { };
+
+  meld = callPackage ../applications/version-management/meld {
+    inherit (gnome) scrollkeeper;
+    pygtk = pyGtkGlade;
+  };
+
+  mcomix = callPackage ../applications/graphics/mcomix { };
+
+  mercurial = callPackage ../applications/version-management/mercurial {
+    inherit (pythonPackages) curses docutils;
+    guiSupport = false; # use mercurialFull to get hgk GUI
+  };
+
+  mercurialFull = appendToName "full" (pkgs.mercurial.override { guiSupport = true; });
+
+  merkaartor = callPackage ../applications/misc/merkaartor { };
+
+  meshlab = callPackage ../applications/graphics/meshlab { };
+
+  mhwaveedit = callPackage ../applications/audio/mhwaveedit {};
+
+  mid2key = callPackage ../applications/audio/mid2key { };
+
+  midori = callPackage ../applications/networking/browsers/midori { };
+
+  midoriWrapper = wrapFirefox
+    { browser = midori; browserName = "midori"; desktopName = "Midori";
+      icon = "${midori}/share/icons/hicolor/22x22/apps/midori.png";
+    };
+
+  mikmod = callPackage ../applications/audio/mikmod { };
+
+  minicom = callPackage ../tools/misc/minicom { };
+
+  minimodem = callPackage ../applications/audio/minimodem { };
+
+  minidjvu = callPackage ../applications/graphics/minidjvu { };
+
+  mirage = callPackage ../applications/graphics/mirage {};
+
+  mixxx = callPackage ../applications/audio/mixxx {
+    inherit (vamp) vampSDK;
+  };
+
+  mmex = callPackage ../applications/office/mmex { };
+
+  moc = callPackage ../applications/audio/moc { };
+
+  monkeysAudio = callPackage ../applications/audio/monkeys-audio { };
+
+  monodevelop = callPackage ../applications/editors/monodevelop {
+    inherit (gnome) gnome_vfs libbonobo libglade libgnome GConf;
+    mozilla = firefox;
+    gtksharp = gtksharp2;
+  };
+
+  monodoc = callPackage ../applications/editors/monodoc {
+    gtksharp = gtksharp1;
+  };
+
+  monotone = callPackage ../applications/version-management/monotone {
+    lua = lua5;
+    boost = boost149;
+  };
+
+  monotoneViz = builderDefsPackage (import ../applications/version-management/monotone-viz/mtn-head.nix) {
+    inherit ocaml graphviz pkgconfig autoconf automake libtool glib gtk;
+    inherit (ocamlPackages) lablgtk;
+    inherit (gnome) libgnomecanvas;
+  };
+
+  mopidy = callPackage ../applications/audio/mopidy { };
+
+  mopidy-spotify = callPackage ../applications/audio/mopidy-spotify { };
+
+  mopidy-moped = callPackage ../applications/audio/mopidy-moped { };
+
+  mozilla = callPackage ../applications/networking/browsers/mozilla {
+    inherit (gnome) libIDL;
+  };
+
+  mozplugger = builderDefsPackage (import ../applications/networking/browsers/mozilla-plugins/mozplugger) {
+    inherit firefox;
+    inherit (xlibs) libX11 xproto;
+  };
+
+  easytag = callPackage ../applications/audio/easytag { };
+
+  mp3info = callPackage ../applications/audio/mp3info { };
+
+  mp3splt = callPackage ../applications/audio/mp3splt { };
+
+  mpc123 = callPackage ../applications/audio/mpc123 { };
+
+  mpg123 = callPackage ../applications/audio/mpg123 { };
+
+  mpg321 = callPackage ../applications/audio/mpg321 { };
+
+  mpc_cli = callPackage ../applications/audio/mpc { };
+
+  ncmpc = callPackage ../applications/audio/ncmpc { };
+
+  ncmpcpp = callPackage ../applications/audio/ncmpcpp { };
+
+  normalize = callPackage ../applications/audio/normalize { };
+
+  mplayer = callPackage ../applications/video/mplayer {
+    pulseSupport = config.pulseaudio or false;
+    vdpauSupport = config.mplayer.vdpauSupport or false;
+  };
+
+  mplayer2 = callPackage ../applications/video/mplayer2 {
+    ffmpeg = libav_9; # see https://trac.macports.org/ticket/44386
+  };
+
+  MPlayerPlugin = browser:
+    import ../applications/networking/browsers/mozilla-plugins/mplayerplug-in {
+      inherit browser;
+      inherit fetchurl stdenv pkgconfig gettext;
+      inherit (xlibs) libXpm;
+      # !!! should depend on MPlayer
+    };
+
+  mpv = callPackage ../applications/video/mpv {
+    lua = lua5_1;
+    bs2bSupport = true;
+    quviSupport = true;
+    cacaSupport = true;
+  };
+
+  mrxvt = callPackage ../applications/misc/mrxvt { };
+
+  multisync = callPackage ../applications/misc/multisync {
+    inherit (gnome) ORBit2 libbonobo libgnomeui GConf;
+  };
+
+  mumble = callPackage ../applications/networking/mumble {
+    avahi = avahi.override {
+      withLibdnssdCompat = true;
+    };
+    jackSupport = config.mumble.jackSupport or false;
+    speechdSupport = config.mumble.speechdSupport or false;
+  };
+
+  murmur = callPackage ../applications/networking/mumble/murmur.nix {
+    avahi = avahi.override {
+      withLibdnssdCompat = true;
+    };
+    iceSupport = config.murmur.iceSupport or true;
+  };
+
+  mutt = callPackage ../applications/networking/mailreaders/mutt { };
+
+  pcmanfm = callPackage ../applications/misc/pcmanfm { };
+
+  ruby_gpgme = callPackage ../development/libraries/ruby_gpgme {
+    ruby = ruby19;
+    hoe = rubyLibs.hoe;
+  };
+
+  ruby_ncursesw_sup = callPackage ../development/libraries/ruby_ncursesw_sup { };
+
+  shotcut = callPackage ../applications/video/shotcut { mlt = mlt-qt5; };
+
+  smplayer = callPackage ../applications/video/smplayer { };
+
+  sup = with rubyLibs; callPackage ../applications/networking/mailreaders/sup {
+    ruby = ruby19.override {
+      cursesSupport = true;
+    };
+
+    inherit gettext highline iconv locale lockfile
+      text trollop xapian_ruby which;
+
+    rmail_sup = ""; # missing
+    unicode = "";
+
+    # See https://github.com/NixOS/nixpkgs/issues/1804 and
+    # https://github.com/NixOS/nixpkgs/issues/2146
+    bundler = pkgs.lib.overrideDerivation pkgs.rubyLibs.bundler (
+      oldAttrs: {
+        dontPatchShebangs = 1;
+      }
+    );
+    chronic      = chronic;
+    gpgme        = ruby_gpgme;
+    mime_types   = mime_types;
+    ncursesw_sup = ruby_ncursesw_sup;
+    rake         = rake;
+  };
+
+  synfigstudio = callPackage ../applications/graphics/synfigstudio {
+    fontsConf = makeFontsConf { fontDirectories = [ freefont_ttf ]; };
+  };
+
+  sxhkd = callPackage ../applications/window-managers/sxhkd { };
+
+  msmtp = callPackage ../applications/networking/msmtp { };
+
+  imapfilter = callPackage ../applications/networking/mailreaders/imapfilter.nix {
+    lua = lua5;
+ };
+
+  mupdf = callPackage ../applications/misc/mupdf { };
+
+  mypaint = callPackage ../applications/graphics/mypaint { };
+
+  mythtv = callPackage ../applications/video/mythtv { };
+
+  tvtime = callPackage ../applications/video/tvtime {
+    kernel = linux;
+  };
+
+  nano = callPackage ../applications/editors/nano { };
+
+  navipowm = callPackage ../applications/misc/navipowm { };
+
+  navit = callPackage ../applications/misc/navit { };
+
+  netbeans = callPackage ../applications/editors/netbeans { };
+
+  ncdu = callPackage ../tools/misc/ncdu { };
+
+  ncdc = callPackage ../applications/networking/p2p/ncdc { };
+
+  nedit = callPackage ../applications/editors/nedit {
+    motif = lesstif;
+  };
+
+  netsurfBrowser = netsurf.browser;
+  netsurf = recurseIntoAttrs (import ../applications/networking/browsers/netsurf { inherit pkgs; });
+
+  notmuch = callPackage ../applications/networking/mailreaders/notmuch {
+    # use emacsPackages.notmuch if you want emacs support
+    emacs = null;
+  };
+
+  nova = callPackage ../applications/virtualization/nova { };
+
+  novaclient = callPackage ../applications/virtualization/nova/client.nix { };
+
+  nspluginwrapper = callPackage ../applications/networking/browsers/mozilla-plugins/nspluginwrapper {};
+
+  nvi = callPackage ../applications/editors/nvi { };
+
+  nvpy = callPackage ../applications/editors/nvpy { };
+
+  obconf = callPackage ../tools/X11/obconf {
+    inherit (gnome) libglade;
+  };
+
+  ocrad = callPackage ../applications/graphics/ocrad { };
+
+  offrss = callPackage ../applications/networking/offrss { };
+
+  ogmtools = callPackage ../applications/video/ogmtools { };
+
+  omxplayer = callPackage ../applications/video/omxplayer { };
+
+  oneteam = callPackage ../applications/networking/instant-messengers/oneteam {};
+
+  openbox = callPackage ../applications/window-managers/openbox { };
+
+  openimageio = callPackage ../applications/graphics/openimageio { };
+
+  openjump = callPackage ../applications/misc/openjump { };
+
+  openscad = callPackage ../applications/graphics/openscad {};
+
+  opera = callPackage ../applications/networking/browsers/opera {
+    inherit (pkgs.kde4) kdelibs;
+  };
+
+  opusfile = callPackage ../applications/audio/opusfile { };
+
+  opusTools = callPackage ../applications/audio/opus-tools { };
+
+  pamixer = callPackage ../applications/audio/pamixer { };
+
+  pan = callPackage ../applications/networking/newsreaders/pan {
+    spellChecking = false;
+  };
+
+  panotools = callPackage ../applications/graphics/panotools { };
+
+  pavucontrol = callPackage ../applications/audio/pavucontrol { };
+
+  paraview = callPackage ../applications/graphics/paraview { };
+
+  pencil = callPackage ../applications/graphics/pencil { };
+
+  petrifoo = callPackage ../applications/audio/petrifoo {
+    inherit (gnome) libgnomecanvas;
+  };
+
+  pdftk = callPackage ../tools/typesetting/pdftk { };
+  pdfgrep  = callPackage ../tools/typesetting/pdfgrep { };
+
+  pianobar = callPackage ../applications/audio/pianobar { };
+
+  pianobooster = callPackage ../applications/audio/pianobooster { };
+
+  picard = callPackage ../applications/audio/picard { };
+
+  picocom = callPackage ../tools/misc/picocom { };
+
+  pidgin = callPackage ../applications/networking/instant-messengers/pidgin {
+    openssl = if config.pidgin.openssl or true then openssl else null;
+    gnutls = if config.pidgin.gnutls or false then gnutls else null;
+    libgcrypt = if config.pidgin.gnutls or false then libgcrypt else null;
+    startupnotification = libstartup_notification;
+  };
+
+  pidginlatex = callPackage ../applications/networking/instant-messengers/pidgin-plugins/pidgin-latex {
+    imagemagick = imagemagickBig;
+  };
+
+  pidginlatexSF = builderDefsPackage
+    (import ../applications/networking/instant-messengers/pidgin-plugins/pidgin-latex/pidgin-latex-sf.nix)
+    {
+      inherit pkgconfig pidgin texLive imagemagick which glib gtk;
+    };
+
+  pidginmsnpecan = callPackage ../applications/networking/instant-messengers/pidgin-plugins/msn-pecan { };
+
+  pidginotr = callPackage ../applications/networking/instant-messengers/pidgin-plugins/otr { };
+
+  pidginsipe = callPackage ../applications/networking/instant-messengers/pidgin-plugins/sipe { };
+
+  toxprpl = callPackage ../applications/networking/instant-messengers/pidgin-plugins/tox-prpl { };
+
+  pinfo = callPackage ../applications/misc/pinfo { };
+
+  pinta = callPackage ../applications/graphics/pinta {
+    gtksharp = gtksharp2;
+  };
+
+  pommed = callPackage ../os-specific/linux/pommed {
+    inherit (xorg) libXpm;
+  };
+
+  potrace = callPackage ../applications/graphics/potrace {};
+
+  posterazor = callPackage ../applications/misc/posterazor { };
+
+  pqiv = callPackage ../applications/graphics/pqiv { };
+
+  qiv = callPackage ../applications/graphics/qiv { };
+
+  # perhaps there are better apps for this task? It's how I had configured my preivous system.
+  # And I don't want to rewrite all rules
+  procmail = callPackage ../applications/misc/procmail { };
+
+  pstree = callPackage ../applications/misc/pstree { };
+
+  pulseview = callPackage ../applications/science/electronics/pulseview { };
+
+  puredata = callPackage ../applications/audio/puredata { };
+
+  pythonmagick = callPackage ../applications/graphics/PythonMagick { };
+
+  qbittorrent = callPackage ../applications/networking/p2p/qbittorrent { };
+
+  eiskaltdcpp = callPackage ../applications/networking/p2p/eiskaltdcpp { };
+
+  qemu = callPackage ../applications/virtualization/qemu { };
+
+  qmmp = callPackage ../applications/audio/qmmp { };
+
+  qsampler = callPackage ../applications/audio/qsampler { };
+
+  qsynth = callPackage ../applications/audio/qsynth { };
+
+  qtpfsgui = callPackage ../applications/graphics/qtpfsgui { };
+
+  qtractor = callPackage ../applications/audio/qtractor { };
+
+  quodlibet = callPackage ../applications/audio/quodlibet {
+    inherit (pythonPackages) mutagen;
+  };
+
+  quodlibet-with-gst-plugins = callPackage ../applications/audio/quodlibet {
+    inherit (pythonPackages) mutagen;
+    withGstPlugins = true;
+    gst_plugins_bad = null;
+  };
+
+  rakarrack = callPackage ../applications/audio/rakarrack {
+    inherit (xorg) libXpm libXft;
+    fltk = fltk13;
+  };
+
+  rapcad = callPackage ../applications/graphics/rapcad {};
+
+  rapidsvn = callPackage ../applications/version-management/rapidsvn { };
+
+  ratpoison = callPackage ../applications/window-managers/ratpoison { };
+
+  rawtherapee = callPackage ../applications/graphics/rawtherapee {
+    fftw = fftwSinglePrec;
+  };
+
+  rcs = callPackage ../applications/version-management/rcs { };
+
+  rdesktop = callPackage ../applications/networking/remote/rdesktop { };
+
+  recode = callPackage ../tools/text/recode { };
+
+  retroshare = callPackage ../applications/networking/p2p/retroshare {
+    qt = qt4;
+  };
+
+  retroshare06 = lowPrio (callPackage ../applications/networking/p2p/retroshare/0.6.nix {
+    qt = qt4;
+  });
+
+  rsync = callPackage ../applications/networking/sync/rsync {
+    enableACLs = !(stdenv.isDarwin || stdenv.isSunOS || stdenv.isFreeBSD);
+    enableCopyDevicesPatch = (config.rsync.enableCopyDevicesPatch or false);
+  };
+
+  rtl-sdr = callPackage ../applications/misc/rtl-sdr { };
+
+  rubyripper = callPackage ../applications/audio/rubyripper {};
+
+  rxvt = callPackage ../applications/misc/rxvt { };
+
+  # = urxvt
+  rxvt_unicode = callPackage ../applications/misc/rxvt_unicode {
+    perlSupport = true;
+    gdkPixbufSupport = true;
+    unicode3Support = true;
+  };
+
+  sakura = callPackage ../applications/misc/sakura {
+    inherit (gnome) vte;
+  };
+
+  sbagen = callPackage ../applications/misc/sbagen { };
+
+  scite = callPackage ../applications/editors/scite { };
+
+  scribus = callPackage ../applications/office/scribus {
+    inherit (gnome) libart_lgpl;
+  };
+
+  seafile-client = callPackage ../applications/networking/seafile-client { };
+
+  seeks = callPackage ../tools/networking/p2p/seeks {
+    opencv = opencv_2_1;
+  };
+
+  seg3d = callPackage ../applications/graphics/seg3d {
+    wxGTK = wxGTK28.override { unicode = false; };
+  };
+
+  seq24 = callPackage ../applications/audio/seq24 { };
+
+  setbfree = callPackage ../applications/audio/setbfree { };
+
+  sflphone = callPackage ../applications/networking/instant-messengers/sflphone {
+    gtk = gtk3;
+  };
+
+  siproxd = callPackage ../applications/networking/siproxd { };
+
+  skype = callPackage_i686 ../applications/networking/instant-messengers/skype { };
+
+  skype4pidgin = callPackage ../applications/networking/instant-messengers/pidgin-plugins/skype4pidgin { };
+
+  skype_call_recorder = callPackage ../applications/networking/instant-messengers/skype-call-recorder { };
+
+  slrn = callPackage ../applications/networking/newsreaders/slrn { };
+
+  spideroak = callPackage ../applications/networking/spideroak { };
+
+  ssvnc = callPackage ../applications/networking/remote/ssvnc { };
+
+  st = callPackage ../applications/misc/st {
+    conf = config.st.conf or null;
+  };
+
+  linuxstopmotion = callPackage ../applications/video/linuxstopmotion { };
+
+  sweethome3d = recurseIntoAttrs (  (callPackage ../applications/misc/sweethome3d { })
+                                 // (callPackage ../applications/misc/sweethome3d/editors.nix {
+                                      sweethome3dApp = sweethome3d.application;
+                                    })
+                                 );
+
+  sxiv = callPackage ../applications/graphics/sxiv { };
+
+  bittorrentSync = callPackage ../applications/networking/bittorrentsync { };
+
+  dropbox = callPackage ../applications/networking/dropbox { };
+
+  dropbox-cli = callPackage ../applications/networking/dropbox-cli { };
+
+  lightdm = callPackage ../applications/display-managers/lightdm { };
+
+  lightdm_gtk_greeter = callPackage ../applications/display-managers/lightdm-gtk-greeter { };
+
+  # slic3r 0.9.10b says: "Running Slic3r under Perl >= 5.16 is not supported nor recommended"
+  slic3r = callPackage ../applications/misc/slic3r {
+    perlPackages = perl514Packages;
+    perl = perl514;
+  };
+
+  curaengine = callPackage ../applications/misc/curaengine { };
+
+  cura = callPackage ../applications/misc/cura { };
+
+  printrun = callPackage ../applications/misc/printrun { };
+
+  slim = callPackage ../applications/display-managers/slim {
+    libpng = libpng12;
+  };
+
+  smartdeblur = callPackage ../applications/graphics/smartdeblur { };
+
+  snd = callPackage ../applications/audio/snd { };
+
+  shntool = callPackage ../applications/audio/shntool { };
+
+  sonic_visualiser = callPackage ../applications/audio/sonic-visualiser {
+    inherit (pkgs.vamp) vampSDK;
+    inherit (pkgs.xlibs) libX11;
+    fftw = pkgs.fftwSinglePrec;
+  };
+
+  sox = callPackage ../applications/misc/audio/sox { };
+
+  soxr = callPackage ../applications/misc/audio/soxr { };
+
+  spotify = callPackage ../applications/audio/spotify {
+    inherit (gnome) GConf;
+    libpng = libpng12;
+  };
+
+  libspotify = callPackage ../development/libraries/libspotify {
+    apiKey = config.libspotify.apiKey or null;
+  };
+
+  stalonetray = callPackage ../applications/window-managers/stalonetray {};
+
+  stp = callPackage ../applications/science/logic/stp {};
+
+  stumpwm = lispPackages.stumpwm;
+
+  sublime = callPackage ../applications/editors/sublime { };
+
+  sublime3 = lowPrio (callPackage ../applications/editors/sublime3 { });
+
+  subversion = callPackage ../applications/version-management/subversion/default.nix {
+    bdbSupport = true;
+    httpServer = false;
+    httpSupport = true;
+    pythonBindings = false;
+    perlBindings = false;
+    javahlBindings = false;
+    saslSupport = false;
+    httpd = apacheHttpd;
+    sasl = cyrus_sasl;
+  };
+
+  subversionClient = appendToName "client" (subversion.override {
+    bdbSupport = false;
+    perlBindings = true;
+    pythonBindings = true;
+  });
+
+  surf = callPackage ../applications/misc/surf {
+    webkit = webkitgtk2;
+  };
+
+  svk = perlPackages.SVK;
+
+  swh_lv2 = callPackage ../applications/audio/swh-lv2 { };
+
+  sylpheed = callPackage ../applications/networking/mailreaders/sylpheed {
+    sslSupport = true;
+    gpgSupport = true;
+  };
+
+  symlinks = callPackage ../tools/system/symlinks { };
+
+  syncthing = callPackage ../applications/networking/syncthing { };
+
+  # linux only by now
+  synergy = callPackage ../applications/misc/synergy { };
+
+  tabbed = callPackage ../applications/window-managers/tabbed { };
+
+  tahoelafs = callPackage ../tools/networking/p2p/tahoe-lafs {
+    inherit (pythonPackages) twisted foolscap simplejson nevow zfec
+      pycryptopp sqlite3 darcsver setuptoolsTrial setuptoolsDarcs
+      numpy pyasn1 mock;
+  };
+
+  tailor = builderDefsPackage (import ../applications/version-management/tailor) {
+    inherit makeWrapper python;
+  };
+
+  tangogps = callPackage ../applications/misc/tangogps {
+    gconf = gnome.GConf;
+  };
+
+  teamspeak_client = callPackage ../applications/networking/instant-messengers/teamspeak/client.nix { };
+  teamspeak_server = callPackage ../applications/networking/instant-messengers/teamspeak/server.nix { };
+
+  taskjuggler = callPackage ../applications/misc/taskjuggler { };
+
+  taskwarrior = callPackage ../applications/misc/taskwarrior { };
+
+  taskserver = callPackage ../servers/misc/taskserver { };
+
+  telegram-cli = callPackage ../applications/networking/instant-messengers/telegram-cli/default.nix { };
+
+  telepathy_gabble = callPackage ../applications/networking/instant-messengers/telepathy/gabble { };
+
+  telepathy_haze = callPackage ../applications/networking/instant-messengers/telepathy/haze {};
+
+  telepathy_logger = callPackage ../applications/networking/instant-messengers/telepathy/logger {};
+
+  telepathy_mission_control = callPackage ../applications/networking/instant-messengers/telepathy/mission-control { };
+
+  telepathy_rakia = callPackage ../applications/networking/instant-messengers/telepathy/rakia { };
+
+  telepathy_salut = callPackage ../applications/networking/instant-messengers/telepathy/salut {};
+
+  terminator = callPackage ../applications/misc/terminator {
+    vte = gnome.vte.override { pythonSupport = true; };
+    inherit (pythonPackages) notify;
+  };
+
+  tesseract = callPackage ../applications/graphics/tesseract { };
+
+  thinkingRock = callPackage ../applications/misc/thinking-rock { };
+
+  thunderbird = callPackage ../applications/networking/mailreaders/thunderbird {
+    inherit (gnome) libIDL;
+    inherit (pythonPackages) pysqlite;
+    libpng = libpng_apng;
+  };
+
+  thunderbird-bin = callPackage ../applications/networking/mailreaders/thunderbird-bin {
+    gconf = pkgs.gnome.GConf;
+    inherit (pkgs.gnome) libgnome libgnomeui;
+    inherit (pkgs.xlibs) libX11 libXScrnSaver libXext
+      libXinerama libXrender libXt;
+  };
+
+  tig = gitAndTools.tig;
+
+  timidity = callPackage ../tools/misc/timidity { };
+
+  tint2 = callPackage ../applications/misc/tint2 { };
+
+  tkcvs = callPackage ../applications/version-management/tkcvs { };
+
+  tla = callPackage ../applications/version-management/arch { };
+
+  todo-txt-cli = callPackage ../applications/office/todo.txt-cli { };
+
+  torchat = callPackage ../applications/networking/instant-messengers/torchat {
+    wrapPython = pythonPackages.wrapPython;
+  };
+
+  toxic = callPackage ../applications/networking/instant-messengers/toxic { };
+
+  transcode = callPackage ../applications/audio/transcode { };
+
+  transmission = callPackage ../applications/networking/p2p/transmission { };
+  transmission_gtk = transmission.override { enableGTK3 = true; };
+
+  transmission_remote_gtk = callPackage ../applications/networking/p2p/transmission-remote-gtk {};
+
+  trayer = callPackage ../applications/window-managers/trayer { };
+
+  tree = callPackage ../tools/system/tree {};
+
+  tribler = callPackage ../applications/networking/p2p/tribler { };
+
+  twister = callPackage ../applications/networking/p2p/twister { };
+
+  twmn = callPackage ../applications/misc/twmn { };
+
+  twinkle = callPackage ../applications/networking/instant-messengers/twinkle { };
+
+  umurmur = callPackage ../applications/networking/umurmur { };
+
+  unison = callPackage ../applications/networking/sync/unison {
+    inherit (ocamlPackages) lablgtk;
+    enableX11 = config.unison.enableX11 or true;
+  };
+
+  uucp = callPackage ../tools/misc/uucp { };
+
+  uvccapture = callPackage ../applications/video/uvccapture { };
+
+  uwimap = callPackage ../tools/networking/uwimap { };
+
+  uzbl = callPackage ../applications/networking/browsers/uzbl {
+    webkit = webkitgtk2;
+  };
+
+  uTox = callPackage ../applications/networking/instant-messengers/utox { };
+
+  vanitygen = callPackage ../applications/misc/vanitygen { };
+
+  vbindiff = callPackage ../applications/editors/vbindiff { };
+
+  vcprompt = callPackage ../applications/version-management/vcprompt { };
+
+  vdpauinfo = callPackage ../tools/X11/vdpauinfo { };
+
+  veracity = callPackage ../applications/version-management/veracity {};
+
+  viewMtn = builderDefsPackage (import ../applications/version-management/viewmtn/0.10.nix)
+  {
+    inherit monotone cheetahTemplate highlight ctags
+      makeWrapper graphviz which python;
+    flup = pythonPackages.flup;
+  };
+
+  vim = callPackage ../applications/editors/vim { };
+
+  macvim = callPackage ../applications/editors/vim/macvim.nix { };
+
+  vimHugeX = vim_configurable;
+
+  vim_configurable = callPackage ../applications/editors/vim/configurable.nix {
+    inherit (pkgs) fetchurl fetchhg stdenv ncurses pkgconfig gettext
+      composableDerivation lib config glib gtk python perl tcl ruby;
+    inherit (pkgs.xlibs) libX11 libXext libSM libXpm libXt libXaw libXau libXmu
+      libICE;
+
+    features = "huge"; # one of  tiny, small, normal, big or huge
+    lua = pkgs.lua5;
+    gui = config.vim.gui or "auto";
+
+    # optional features by flags
+    flags = [ "python" "X11" ]; # only flag "X11" by now
+
+    # so that we can use gccApple if we're building on darwin
+    inherit stdenvAdapters gccApple;
+  };
+
+  vimNox = lowPrio (vim_configurable.override { source = "vim-nox"; });
+
+  qvim = lowPrio (callPackage ../applications/editors/vim/qvim.nix {
+    inherit (pkgs) fetchgit stdenv ncurses pkgconfig gettext
+      composableDerivation lib config python perl tcl ruby qt4;
+    inherit (pkgs.xlibs) libX11 libXext libSM libXpm libXt libXaw libXau libXmu
+      libICE;
+
+    inherit (pkgs) stdenvAdapters gccApple;
+
+    features = "huge"; # one of  tiny, small, normal, big or huge
+    lua = pkgs.lua5;
+    flags = [ "python" "X11" ]; # only flag "X11" by now
+  });
+
+  vimpc = callPackage ../applications/audio/vimpc { };
+
+  virtviewer = callPackage ../applications/virtualization/virt-viewer {
+    gtkvnc = gtkvnc.override { enableGTK3 = true; };
+    spice_gtk = spice_gtk.override { enableGTK3 = true; };
+  };
+  virtmanager = callPackage ../applications/virtualization/virt-manager {
+    inherit (gnome) gnome_python;
+    vte = gnome3.vte;
+    dconf = gnome3.dconf;
+    gtkvnc = gtkvnc.override { enableGTK3 = true; };
+    spice_gtk = spice_gtk.override { enableGTK3 = true; };
+  };
+
+  virtinst = callPackage ../applications/virtualization/virtinst {};
+
+  virtualgl = callPackage ../tools/X11/virtualgl { };
+
+  bumblebee = callPackage ../tools/X11/bumblebee { };
+
+  vkeybd = callPackage ../applications/audio/vkeybd {
+    inherit (xlibs) libX11;
+  };
+
+  vlc = callPackage ../applications/video/vlc { };
+
+  vmpk = callPackage ../applications/audio/vmpk { };
+
+  vnstat = callPackage ../applications/networking/vnstat { };
+
+  vorbisTools = callPackage ../applications/audio/vorbis-tools { };
+
+  vue = callPackage ../applications/misc/vue {
+    jre = icedtea7_jre;
+  };
+
+  vwm = callPackage ../applications/window-managers/vwm { };
+
+  vym = callPackage ../applications/misc/vym { };
+
+  w3m = callPackage ../applications/networking/browsers/w3m {
+    graphicsSupport = false;
+  };
+
+  weechat = callPackage ../applications/networking/irc/weechat { };
+
+  weechatDevel = lowPrio (callPackage ../applications/networking/irc/weechat/devel.nix { });
+
+  weston = callPackage ../applications/window-managers/weston { };
+
+  windowmaker = callPackage ../applications/window-managers/windowmaker { };
+
+  winswitch = callPackage ../tools/X11/winswitch { };
+
+  wings = callPackage ../applications/graphics/wings {
+    erlang = erlangR14;
+    esdl = esdl.override { erlang = erlangR14; };
+  };
+
+  wmname = callPackage ../applications/misc/wmname { };
+
+  wmctrl = callPackage ../tools/X11/wmctrl { };
+
+  # I'm keen on wmiimenu only  >wmii-3.5 no longer has it...
+  wmiimenu = import ../applications/window-managers/wmii31 {
+    libixp = libixp_for_wmii;
+    inherit fetchurl /* fetchhg */ stdenv gawk;
+    inherit (xlibs) libX11;
+  };
+
+  wmiiSnap = import ../applications/window-managers/wmii {
+    libixp = libixp_for_wmii;
+    inherit fetchurl /* fetchhg */ stdenv gawk;
+    inherit (xlibs) libX11 xextproto libXt libXext;
+    includeUnpack = config.stdenv.includeUnpack or false;
+  };
+
+  wordnet = callPackage ../applications/misc/wordnet { };
+
+  wrapChromium = browser: wrapFirefox {
+    inherit browser;
+    browserName = browser.packageName;
+    desktopName = "Chromium";
+    icon = "${browser}/share/icons/hicolor/48x48/apps/${browser.packageName}.png";
+  };
+
+  wrapFirefox =
+    { browser, browserName ? "firefox", desktopName ? "Firefox", nameSuffix ? ""
+    , icon ? "${browser}/lib/${browser.name}/browser/icons/mozicon128.png" }:
+    let
+      cfg = stdenv.lib.attrByPath [ browserName ] {} config;
+      enableAdobeFlash = cfg.enableAdobeFlash or false;
+      enableGnash = cfg.enableGnash or false;
+    in
+    import ../applications/networking/browsers/firefox/wrapper.nix {
+      inherit stdenv lib makeWrapper makeDesktopItem browser browserName desktopName nameSuffix icon;
+      plugins =
+         assert !(enableGnash && enableAdobeFlash);
+         ([ ]
+          ++ lib.optional enableGnash gnash
+          ++ lib.optional enableAdobeFlash flashplayer
+          ++ lib.optional (cfg.enableDjvu or false) (djview4)
+          ++ lib.optional (cfg.enableMPlayer or false) (MPlayerPlugin browser)
+          ++ lib.optional (cfg.enableGeckoMediaPlayer or false) gecko_mediaplayer
+          ++ lib.optional (supportsJDK && cfg.jre or false && jrePlugin ? mozillaPlugin) jrePlugin
+          ++ lib.optional (cfg.enableGoogleTalkPlugin or false) google_talk_plugin
+          ++ lib.optional (cfg.enableFriBIDPlugin or false) fribid
+          ++ lib.optional (cfg.enableGnomeExtensions or false) gnome3.gnome_shell
+         );
+      libs = [ gstreamer gst_plugins_base ] ++ lib.optionals (cfg.enableQuakeLive or false)
+             (with xlibs; [ stdenv.gcc libX11 libXxf86dga libXxf86vm libXext libXt alsaLib zlib ]);
+      gtk_modules = [ libcanberra ];
+    };
+
+  x11vnc = callPackage ../tools/X11/x11vnc { };
+
+  x2vnc = callPackage ../tools/X11/x2vnc { };
+
+  xaos = builderDefsPackage (import ../applications/graphics/xaos) {
+    inherit (xlibs) libXt libX11 libXext xextproto xproto;
+    inherit gsl aalib zlib intltool gettext perl;
+    libpng = libpng12;
+  };
+
+  xara = callPackage ../applications/graphics/xara { };
+
+  xawtv = callPackage ../applications/video/xawtv { };
+
+  xbindkeys = callPackage ../tools/X11/xbindkeys { };
+
+  xbmc = callPackage ../applications/video/xbmc {
+    ffmpeg = ffmpeg_1;
+  };
+
+  xca = callPackage ../applications/misc/xca { };
+
+  xcalib = callPackage ../tools/X11/xcalib { };
+
+  xcape = callPackage ../tools/X11/xcape { };
+
+  xchainkeys = callPackage ../tools/X11/xchainkeys { };
+
+  xchat = callPackage ../applications/networking/irc/xchat { };
+
+  xchm = callPackage ../applications/misc/xchm { };
+
+  xcompmgr = callPackage ../applications/window-managers/xcompmgr { };
+
+  compton = callPackage ../applications/window-managers/compton { };
+
+  xdaliclock = callPackage ../tools/misc/xdaliclock {};
+
+  xdg-user-dirs = callPackage ../tools/X11/xdg-user-dirs { };
+
+  xdg_utils = callPackage ../tools/X11/xdg-utils { };
+
+  xdotool = callPackage ../tools/X11/xdotool { };
+
+  xen = callPackage ../applications/virtualization/xen {
+    stdenv = overrideGCC stdenv gcc45;
+  };
+
+  xfe = callPackage ../applications/misc/xfe {
+    fox = fox_1_6;
+  };
+
+  xfig = callPackage ../applications/graphics/xfig { };
+
+  xineUI = callPackage ../applications/video/xine-ui { };
+
+  xneur_0_13 = callPackage ../applications/misc/xneur { };
+
+  xneur_0_8 = callPackage ../applications/misc/xneur/0.8.nix { };
+
+  xneur = xneur_0_13;
+
+  gxneur = callPackage ../applications/misc/gxneur  {
+    inherit (gnome) libglade GConf;
+  };
+
+  xournal = callPackage ../applications/graphics/xournal {
+    inherit (gnome) libgnomeprint libgnomeprintui libgnomecanvas;
+  };
+
+  xpdf = callPackage ../applications/misc/xpdf {
+    motif = lesstif;
+    base14Fonts = "${ghostscript}/share/ghostscript/fonts";
+  };
+
+  xkb_switch = callPackage ../tools/X11/xkb-switch { };
+
+  libxpdf = callPackage ../applications/misc/xpdf/libxpdf.nix { };
+
+  xpra = callPackage ../tools/X11/xpra { };
+
+  xrestop = callPackage ../tools/X11/xrestop { };
+
+  xscreensaver = callPackage ../misc/screensavers/xscreensaver {
+    inherit (gnome) libglade;
+  };
+
+  xsynth_dssi = callPackage ../applications/audio/xsynth-dssi { };
+
+  xterm = callPackage ../applications/misc/xterm { };
+
+  finalterm = callPackage ../applications/misc/finalterm { };
+
+  xtrace = callPackage ../tools/X11/xtrace { };
+
+  xlaunch = callPackage ../tools/X11/xlaunch { };
+
+  xmacro = callPackage ../tools/X11/xmacro { };
+
+  xmove = callPackage ../applications/misc/xmove { };
+
+  xmp = callPackage ../applications/audio/xmp { };
+
+  xnee = callPackage ../tools/X11/xnee {
+    # Work around "missing separator" error.
+    stdenv = overrideInStdenv stdenv [ gnumake381 ];
+  };
+
+  xvidcap = callPackage ../applications/video/xvidcap {
+    inherit (gnome) scrollkeeper libglade;
+  };
+
+  yate = callPackage ../applications/misc/yate { };
+
+  inherit (gnome3) yelp;
+
+  qgis = callPackage ../applications/misc/qgis {};
+
+  qtbitcointrader = callPackage ../applications/misc/qtbitcointrader { };
+
+  ykpers = callPackage ../applications/misc/ykpers {};
+
+  yoshimi = callPackage ../applications/audio/yoshimi {
+    fltk = fltk13;
+  };
+
+  zathuraCollection = recurseIntoAttrs
+    (let callPackage = newScope pkgs.zathuraCollection; in
+      import ../applications/misc/zathura {
+        inherit callPackage pkgs fetchurl;
+        useMupdf = config.zathura.useMupdf or false;
+      });
+
+  zathura = zathuraCollection.zathuraWrapper;
+
+  zed = callPackage ../applications/editors/zed { };
+
+  zeroc_ice = callPackage ../development/libraries/zeroc-ice { };
+
+  girara = callPackage ../applications/misc/girara {
+    gtk = gtk3;
+  };
+
+  zgrviewer = callPackage ../applications/graphics/zgrviewer {};
+
+  zotero = callPackage ../applications/office/zotero {
+    xulrunner = xulrunner_30;
+  };
+
+  zynaddsubfx = callPackage ../applications/audio/zynaddsubfx { };
+
+
+  ### GAMES
+
+  alienarena = callPackage ../games/alienarena { };
+
+  andyetitmoves = if stdenv.isLinux then callPackage ../games/andyetitmoves {} else null;
+
+  anki = callPackage ../games/anki { };
+
+  asc = callPackage ../games/asc {
+    lua = lua5;
+    libsigcxx = libsigcxx12;
+  };
+
+  astromenace = callPackage ../games/astromenace { };
+
+  atanks = callPackage ../games/atanks {};
+
+  ballAndPaddle = callPackage ../games/ball-and-paddle {
+    guile = guile_1_8;
+  };
+
+  bitsnbots = callPackage ../games/bitsnbots {
+    lua = lua5;
+  };
+
+  blackshades = callPackage ../games/blackshades { };
+
+  blackshadeselite = callPackage ../games/blackshadeselite { };
+
+  blobby = callPackage ../games/blobby { };
+
+  bsdgames = callPackage ../games/bsdgames { };
+
+  btanks = callPackage ../games/btanks { };
+
+  bzflag = callPackage ../games/bzflag { };
+
+  castle_combat = callPackage ../games/castle-combat { };
+
+  chessdb = callPackage ../games/chessdb { };
+
+  construoBase = lowPrio (callPackage ../games/construo {
+    mesa = null;
+    freeglut = null;
+  });
+
+  construo = construoBase.override {
+    inherit mesa freeglut;
+  };
+
+  crack_attack = callPackage ../games/crack-attack { };
+
+  crafty = callPackage ../games/crafty { };
+  craftyFull = appendToName "full" (crafty.override { fullVariant = true; });
+
+  crrcsim = callPackage ../games/crrcsim {};
+
+  dhewm3 = callPackage ../games/dhewm3 {};
+
+  drumkv1 = callPackage ../applications/audio/drumkv1 { };
+
+  dwarf_fortress = callPackage_i686 ../games/dwarf-fortress {
+    SDL_image = pkgsi686Linux.SDL_image.override {
+      libpng = pkgsi686Linux.libpng12;
+    };
+  };
+
+  dwarf_fortress_2014 = callPackage_i686 ../games/dwarf-fortress/df2014.nix {
+    SDL_image = pkgsi686Linux.SDL_image.override {
+      libpng = pkgsi686Linux.libpng12;
+    };
+  };
+
+  dwarf_fortress_modable = appendToName "moddable" (dwarf_fortress.override {
+    copyDataDirectory = true;
+  });
+
+  dwarf_fortress_2014_modable = appendToName "moddable" (dwarf_fortress_2014.override {
+    copyDataDirectory = true;
+  });
+
+  dwarf-therapist = callPackage ../games/dwarf-therapist { };
+
+  d1x_rebirth = callPackage ../games/d1x-rebirth { };
+
+  d2x_rebirth = callPackage ../games/d2x-rebirth { };
+
+  eboard = callPackage ../games/eboard { };
+
+  eduke32 = callPackage ../games/eduke32 { };
+
+  egoboo = callPackage ../games/egoboo { };
+
+  exult = callPackage ../games/exult { };
+
+  flightgear = callPackage ../games/flightgear { };
+
+  freeciv = callPackage ../games/freeciv { };
+
+  freeciv_gtk = callPackage ../games/freeciv {
+    gtkClient = true;
+    sdlClient = false;
+  };
+
+  freedink = callPackage ../games/freedink { };
+
+  fsg = callPackage ../games/fsg {
+    wxGTK = wxGTK28.override { unicode = false; };
+  };
+
+  gemrb = callPackage ../games/gemrb { };
+
+  gl117 = callPackage ../games/gl-117 {};
+
+  glestae = callPackage ../games/glestae {};
+
+  globulation2 = callPackage ../games/globulation {};
+
+  gltron = callPackage ../games/gltron { };
+
+  gnuchess = callPackage ../games/gnuchess { };
+
+  gnugo = callPackage ../games/gnugo { };
+
+  gparted = callPackage ../tools/misc/gparted { };
+
+  gsmartcontrol = callPackage ../tools/misc/gsmartcontrol {
+    inherit (gnome) libglademm;
+  };
+
+  gtypist = callPackage ../games/gtypist { };
+
+  hexen = callPackage ../games/hexen { };
+
+  icbm3d = callPackage ../games/icbm3d { };
+
+  ingen = callPackage ../applications/audio/ingen { };
+
+  instead = callPackage ../games/instead {
+    lua = lua5;
+  };
+
+  kobodeluxe = callPackage ../games/kobodeluxe { };
+
+  lincity = builderDefsPackage (import ../games/lincity) {
+    inherit (xlibs) libX11 libXext xextproto
+      libICE libSM xproto;
+    inherit libpng zlib;
+  };
+
+  lincity_ng = callPackage ../games/lincity/ng.nix {};
+
+  mars = callPackage ../games/mars { };
+
+  micropolis = callPackage ../games/micropolis { };
+
+  mnemosyne = callPackage ../games/mnemosyne {
+    inherit (pythonPackages) matplotlib cherrypy sqlite3;
+  };
+
+  naev = callPackage ../games/naev { };
+
+  nexuiz = callPackage ../games/nexuiz { };
+
+  njam = callPackage ../games/njam { };
+
+  oilrush = callPackage ../games/oilrush { };
+
+  openra = callPackage ../games/openra { };
+
+  openttd = callPackage ../games/openttd {
+    zlib = zlibStatic;
+  };
+
+  opentyrian = callPackage ../games/opentyrian { };
+
+  openxcom = callPackage ../games/openxcom { };
+
+  pingus = callPackage ../games/pingus {};
+
+  pioneers = callPackage ../games/pioneers { };
+
+  pong3d = callPackage ../games/pong3d { };
+
+  prboom = callPackage ../games/prboom { };
+
+  quake3demo = callPackage ../games/quake3/wrapper {
+    name = "quake3-demo-${quake3game.name}";
+    description = "Demo of Quake 3 Arena, a classic first-person shooter";
+    game = quake3game;
+    paks = [quake3demodata];
+  };
+
+  quake3demodata = callPackage ../games/quake3/demo { };
+
+  quake3game = callPackage ../games/quake3/game { };
+
+  quantumminigolf = callPackage ../games/quantumminigolf {};
+
+  racer = callPackage ../games/racer { };
+
+  residualvm = callPackage ../games/residualvm {
+    openglSupport = mesaSupported;
+  };
+
+  rigsofrods = callPackage ../games/rigsofrods {
+    mygui = myguiSvn;
+  };
+
+  rili = callPackage ../games/rili { };
+
+  rogue = callPackage ../games/rogue { };
+
+  samplv1 = callPackage ../applications/audio/samplv1 { };
+
+  sauerbraten = callPackage ../games/sauerbraten {};
+
+  scid = callPackage ../games/scid { };
+
+  scummvm = callPackage ../games/scummvm { };
+
+  scorched3d = callPackage ../games/scorched3d { };
+
+  sdlmame = callPackage ../games/sdlmame { };
+
+  sgtpuzzles = builderDefsPackage (import ../games/sgt-puzzles) {
+    inherit pkgconfig fetchsvn perl gtk;
+    inherit (xlibs) libX11;
+  };
+
+  simutrans = callPackage ../games/simutrans { };
+
+  soi = callPackage ../games/soi {};
+
+  # You still can override by passing more arguments.
+  spaceOrbit = callPackage ../games/orbit { };
+
+  spring = callPackage ../games/spring { };
+
+  springLobby = callPackage ../games/spring/springlobby.nix { };
+
+  stardust = callPackage ../games/stardust {};
+
+  steam = callPackage_i686 ../games/steam {};
+
+  steamChrootEnv = callPackage_i686 ../games/steam/chrootenv.nix {
+    zenity = gnome2.zenity;
+  };
+
+  stuntrally = callPackage ../games/stuntrally { };
+
+  superTux = callPackage ../games/super-tux { };
+
+  superTuxKart = callPackage ../games/super-tux-kart { };
+
+  synthv1 = callPackage ../applications/audio/synthv1 { };
+
+  tbe = callPackage ../games/the-butterfly-effect {};
+
+  teetertorture = callPackage ../games/teetertorture { };
+
+  teeworlds = callPackage ../games/teeworlds { };
+
+  tennix = callPackage ../games/tennix { };
+
+  tibia = callPackage ../games/tibia { };
+
+  tintin = callPackage ../games/tintin { };
+
+  tpm = callPackage ../games/thePenguinMachine { };
+
+  tremulous = callPackage ../games/tremulous { };
+
+  speed_dreams = callPackage ../games/speed-dreams {
+    # Torcs wants to make shared libraries linked with plib libraries (it provides static).
+    # i686 is the only platform I know than can do that linking without plib built with -fPIC
+    plib = plib.override { enablePIC = !stdenv.isi686; };
+    libpng = libpng12;
+  };
+
+  torcs = callPackage ../games/torcs {
+    # Torcs wants to make shared libraries linked with plib libraries (it provides static).
+    # i686 is the only platform I know than can do that linking without plib built with -fPIC
+    plib = plib.override { enablePIC = !stdenv.isi686; };
+  };
+
+  trigger = callPackage ../games/trigger { };
+
+  typespeed = callPackage ../games/typespeed { };
+
+  ufoai = callPackage ../games/ufoai { };
+
+  ultimatestunts = callPackage ../games/ultimatestunts { };
+
+  ultrastardx = callPackage ../games/ultrastardx {
+    ffmpeg = ffmpeg_0_6;
+    lua = lua5;
+  };
+
+  unvanquished = callPackage ../games/unvanquished { };
+
+  uqm = callPackage ../games/uqm { };
+
+  urbanterror = callPackage ../games/urbanterror { };
+
+  ut2004demo = callPackage ../games/ut2004demo { };
+
+  vdrift = callPackage ../games/vdrift { };
+
+  vectoroids = callPackage ../games/vectoroids { };
+
+  vessel = callPackage_i686 ../games/vessel { };
+
+  warmux = callPackage ../games/warmux { };
+
+  warsow = callPackage ../games/warsow {
+    libjpeg = libjpeg62;
+  };
+
+  warzone2100 = callPackage ../games/warzone2100 { };
+
+  widelands = callPackage ../games/widelands {
+    lua = lua5_1;
+  };
+
+  worldofgoo_demo = callPackage ../games/worldofgoo {
+    demo = true;
+  };
+
+  worldofgoo = callPackage ../games/worldofgoo { };
+
+  xboard =  callPackage ../games/xboard { };
+
+  xconq = callPackage ../games/xconq {};
+
+  # TODO: the corresponding nix file is missing
+  # xracer = callPackage ../games/xracer { };
+
+  xonotic = callPackage ../games/xonotic { };
+
+  xskat = callPackage ../games/xskat { };
+
+  xsokoban = builderDefsPackage (import ../games/xsokoban) {
+    inherit (xlibs) libX11 xproto libXpm libXt;
+  };
+
+  zdoom = callPackage ../games/zdoom { };
+
+  zod = callPackage ../games/zod { };
+
+  zoom = callPackage ../games/zoom { };
+
+  keen4 = callPackage ../games/keen4 { };
+
+  zeroad = callPackage ../games/0ad { };
+
+  ### DESKTOP ENVIRONMENTS
+
+  cinnamon = recurseIntoAttrs rec {
+    callPackage = newScope pkgs.cinnamon;
+    inherit (gnome3) gnome_common libgnomekbd gnome-menus zenity;
+
+    muffin = callPackage ../desktops/cinnamon/muffin.nix { } ;
+
+    cinnamon-control-center = callPackage ../desktops/cinnamon/cinnamon-control-center.nix{ };
+
+    cinnamon-settings-daemon = callPackage ../desktops/cinnamon/cinnamon-settings-daemon.nix{ };
+
+    cinnamon-session = callPackage ../desktops/cinnamon/cinnamon-session.nix{ } ;
+
+    cinnamon-desktop = callPackage ../desktops/cinnamon/cinnamon-desktop.nix { };
+
+    cinnamon-translations = callPackage ../desktops/cinnamon/cinnamon-translations.nix { };
+
+    cjs = callPackage ../desktops/cinnamon/cjs.nix { };
+  };
+
+  enlightenment = callPackage ../desktops/enlightenment { };
+
+  e17 = recurseIntoAttrs (
+    let callPackage = newScope pkgs.e17; in
+    import ../desktops/e17 { inherit callPackage pkgs; }
+  );
+
+  e18 = recurseIntoAttrs (
+    let callPackage = newScope pkgs.e18; in
+    import ../desktops/e18 { inherit callPackage pkgs; }
+  );
+
+  gnome2 = callPackage ../desktops/gnome-2 {
+    callPackage = pkgs.newScope pkgs.gnome2;
+    self = pkgs.gnome2;
+  }  // pkgs.gtkLibs // {
+    # Backwards compatibility;
+    inherit (pkgs) libsoup libwnck gtk_doc gnome_doc_utils;
+  };
+
+  gnome3 = recurseIntoAttrs (callPackage ../desktops/gnome-3/3.10 {
+    callPackage = pkgs.newScope pkgs.gnome3;
+    self = pkgs.gnome3;
+  });
+
+  gnome3_12 = recurseIntoAttrs (callPackage ../desktops/gnome-3/3.12 {
+    callPackage = pkgs.newScope pkgs.gnome3_12;
+  });
+
+  gnome = recurseIntoAttrs gnome2;
+
+  hsetroot = callPackage ../tools/X11/hsetroot { };
+
+  kakasi = callPackage ../tools/text/kakasi { };
+
+  kde4 = recurseIntoAttrs pkgs.kde412;
+
+  kde4_next = recurseIntoAttrs( lib.lowPrioSet pkgs.kde412 );
+
+  kde412 = kdePackagesFor (pkgs.kde412 // {
+      eigen = eigen2;
+      libusb = libusb1;
+      libcanberra = libcanberra_kde;
+    }) ../desktops/kde-4.12;
+
+  kdePackagesFor = self: dir:
+    let callPackageOrig = callPackage; in
+    let
+      callPackage = newScope self;
+      kde4 = callPackageOrig dir {
+        inherit callPackage callPackageOrig;
+      };
+    in kde4 // {
+      inherit kde4;
+
+      wrapper = callPackage ../build-support/kdewrapper {};
+
+      recurseForRelease = true;
+
+      akunambol = callPackage ../applications/networking/sync/akunambol { };
+
+      amarok = callPackage ../applications/audio/amarok { };
+
+      bangarang = callPackage ../applications/video/bangarang { };
+
+      basket = callPackage ../applications/office/basket { };
+
+      bluedevil = callPackage ../tools/bluetooth/bluedevil { };
+
+      calligra = callPackage ../applications/office/calligra { };
+
+      colord-kde = callPackage ../tools/misc/colord-kde { };
+
+      digikam = if builtins.compareVersions "4.9" kde4.release == 1 then
+          callPackage ../applications/graphics/digikam/2.nix { }
+        else
+          callPackage ../applications/graphics/digikam { };
+
+      eventlist = callPackage ../applications/office/eventlist {};
+
+      k3b = callPackage ../applications/misc/k3b { };
+
+      kadu = callPackage ../applications/networking/instant-messengers/kadu { };
+
+      kbibtex = callPackage ../applications/office/kbibtex { };
+
+      kde_gtk_config = callPackage ../tools/misc/kde-gtk-config { };
+
+      kde_wacomtablet = callPackage ../applications/misc/kde-wacomtablet { };
+
+      kdeconnect = callPackage ../applications/misc/kdeconnect { };
+
+      kdenlive = callPackage ../applications/video/kdenlive { mlt = mlt-qt4; };
+
+      kdesvn = callPackage ../applications/version-management/kdesvn { };
+
+      kdevelop = callPackage ../applications/editors/kdevelop { };
+
+      kdevplatform = callPackage ../development/libraries/kdevplatform { };
+
+      kdiff3 = callPackage ../tools/text/kdiff3 { };
+
+      kile = callPackage ../applications/editors/kile { };
+
+      kmplayer = callPackage ../applications/video/kmplayer { };
+
+      kmymoney = callPackage ../applications/office/kmymoney { };
+
+      kipi_plugins = callPackage ../applications/graphics/kipi-plugins { };
+
+      konversation = callPackage ../applications/networking/irc/konversation { };
+
+      kvirc = callPackage ../applications/networking/irc/kvirc { };
+
+      krename = callPackage ../applications/misc/krename { };
+
+      krusader = callPackage ../applications/misc/krusader { };
+
+      ksshaskpass = callPackage ../tools/security/ksshaskpass {};
+
+      ktorrent = callPackage ../applications/networking/p2p/ktorrent { };
+
+      kuickshow = callPackage ../applications/graphics/kuickshow { };
+
+      libalkimia = callPackage ../development/libraries/libalkimia { };
+
+      libktorrent = callPackage ../development/libraries/libktorrent { };
+
+      libkvkontakte = callPackage ../development/libraries/libkvkontakte { };
+
+      liblikeback = callPackage ../development/libraries/liblikeback { };
+
+      libmm-qt = callPackage ../development/libraries/libmm-qt { };
+
+      libnm-qt = callPackage ../development/libraries/libnm-qt { };
+
+      networkmanagement = callPackage ../tools/networking/networkmanagement { };
+
+      partitionManager = callPackage ../tools/misc/partition-manager { };
+
+      plasma-nm = callPackage ../tools/networking/plasma-nm { };
+
+      polkit_kde_agent = callPackage ../tools/security/polkit-kde-agent { };
+
+      psi = callPackage ../applications/networking/instant-messengers/psi { };
+
+      qtcurve = callPackage ../misc/themes/qtcurve { };
+
+      quassel = callPackage ../applications/networking/irc/quassel { dconf = gnome3.dconf; };
+
+      quasselWithoutKDE = (self.quassel.override {
+        withKDE = false;
+        tag = "-without-kde";
+      });
+
+      quasselDaemon = (self.quassel.override {
+        monolithic = false;
+        daemon = true;
+        tag = "-daemon";
+      });
+
+      quasselClient = (self.quassel.override {
+        monolithic = false;
+        client = true;
+        tag = "-client";
+      });
+
+      quasselClientWithoutKDE = (self.quasselClient.override {
+        withKDE = false;
+        tag = "-client-without-kde";
+      });
+
+      rekonq = callPackage ../applications/networking/browsers/rekonq { };
+
+      kwebkitpart = callPackage ../applications/networking/browsers/kwebkitpart { };
+
+      rsibreak = callPackage ../applications/misc/rsibreak { };
+
+      semnotes = callPackage ../applications/misc/semnotes { };
+
+      skrooge = callPackage ../applications/office/skrooge { };
+
+      telepathy = callPackage ../applications/networking/instant-messengers/telepathy/kde {};
+
+      yakuake = callPackage ../applications/misc/yakuake { };
+
+      zanshin = callPackage ../applications/office/zanshin { };
+
+      kwooty = callPackage ../applications/networking/newsreaders/kwooty { };
+    };
+
+  redshift = callPackage ../applications/misc/redshift {
+    inherit (xorg) libX11 libXrandr libxcb randrproto libXxf86vm
+      xf86vidmodeproto;
+    inherit (gnome) GConf;
+    inherit (pythonPackages) pyxdg;
+    geoclue = geoclue2;
+  };
+
+  oxygen_gtk = callPackage ../misc/themes/gtk2/oxygen-gtk { };
+
+  gtk_engines = callPackage ../misc/themes/gtk2/gtk-engines { };
+
+  gtk-engine-murrine = callPackage ../misc/themes/gtk2/gtk-engine-murrine { };
+
+  gnome_themes_standard = gnome3.gnome_themes_standard;
+
+  mate-icon-theme = callPackage ../misc/themes/mate-icon-theme { };
+
+  mate-themes = callPackage ../misc/themes/mate-themes { };
+
+  xfce = xfce4_10;
+  xfce4_10 = recurseIntoAttrs (import ../desktops/xfce { inherit pkgs newScope; });
+
+
+  ### SCIENCE
+
+  ### SCIENCE/GEOMETRY
+
+  drgeo = builderDefsPackage (import ../applications/science/geometry/drgeo) {
+    inherit (gnome) libglade;
+    inherit libxml2 perl intltool libtool pkgconfig gtk;
+    guile = guile_1_8;
+  };
+
+  tetgen = callPackage ../applications/science/geometry/tetgen { };
+
+
+  ### SCIENCE/BIOLOGY
+
+  alliance = callPackage ../applications/science/electronics/alliance {
+    motif = lesstif;
+  };
+
+  arb = callPackage ../applications/science/biology/arb {
+    lesstif = lesstif93;
+  };
+
+  archimedes = callPackage ../applications/science/electronics/archimedes { };
+
+  biolib = callPackage ../development/libraries/science/biology/biolib { };
+
+  emboss = callPackage ../applications/science/biology/emboss { };
+
+  mrbayes = callPackage ../applications/science/biology/mrbayes { };
+
+  ncbiCTools = builderDefsPackage ../development/libraries/ncbi {
+    inherit tcsh mesa lesstif;
+    inherit (xlibs) libX11 libXaw xproto libXt libSM libICE
+      libXmu libXext;
+  };
+
+  ncbi_tools = callPackage ../applications/science/biology/ncbi-tools { };
+
+  paml = callPackage ../applications/science/biology/paml { };
+
+  pal2nal = callPackage ../applications/science/biology/pal2nal { };
+
+  plink = callPackage ../applications/science/biology/plink/default.nix { };
+
+
+  ### SCIENCE/MATH
+
+  arpack = callPackage ../development/libraries/science/math/arpack { };
+
+  atlas = callPackage ../development/libraries/science/math/atlas {
+    # The build process measures CPU capabilities and optimizes the
+    # library to perform best on that particular machine. That is a
+    # great feature, but it's of limited use with pre-built binaries
+    # coming from a central build farm.
+    tolerateCpuTimingInaccuracy = true;
+  };
+
+  blas = callPackage ../development/libraries/science/math/blas { };
+
+  content = builderDefsPackage ../applications/science/math/content {
+    inherit mesa lesstif;
+    inherit (xlibs) libX11 libXaw xproto libXt libSM libICE
+      libXmu libXext libXcursor;
+  };
+
+  jags = callPackage ../applications/science/math/jags { };
+
+  liblapack = callPackage ../development/libraries/science/math/liblapack { };
+  liblapack_3_5_0 = callPackage ../development/libraries/science/math/liblapack/3.5.0.nix { };
+
+  liblbfgs = callPackage ../development/libraries/science/math/liblbfgs { };
+
+  openblas = callPackage ../development/libraries/science/math/openblas { };
+  openblas_0_2_10 = callPackage ../development/libraries/science/math/openblas/0.2.10.nix { 
+    liblapack = liblapack_3_5_0;
+  };
+
+  mathematica = callPackage ../applications/science/math/mathematica { };
+
+  sage = callPackage ../applications/science/math/sage { };
+
+  ### SCIENCE/MOLECULAR-DYNAMICS
+
+  gromacs = callPackage ../applications/science/molecular-dynamics/gromacs {
+    singlePrec = true;
+    fftw = fftwSinglePrec;
+    cmake = cmakeCurses;
+  };
+
+  gromacsDouble = lowPrio (callPackage ../applications/science/molecular-dynamics/gromacs {
+    singlePrec = false;
+    fftw = fftw;
+    cmake = cmakeCurses;
+  });
+
+
+  ### SCIENCE/LOGIC
+
+  abc-verifier = callPackage ../applications/science/logic/abc {};
+
+  alt-ergo = callPackage ../applications/science/logic/alt-ergo {};
+
+  coq = callPackage ../applications/science/logic/coq {
+    inherit (ocamlPackages) findlib lablgtk;
+    camlp5 = ocamlPackages.camlp5_transitional;
+  };
+
+  coq_HEAD = callPackage ../applications/science/logic/coq/HEAD.nix {
+    inherit (ocamlPackages) findlib lablgtk;
+    camlp5 = ocamlPackages.camlp5_transitional;
+  };
+
+  coq_8_3 = callPackage ../applications/science/logic/coq/8.3.nix {
+    inherit (ocamlPackages) findlib lablgtk;
+    camlp5 = ocamlPackages.camlp5_transitional;
+  };
+
+  cvc3 = callPackage ../applications/science/logic/cvc3 {};
+
+  ekrhyper = callPackage ../applications/science/logic/ekrhyper {};
+
+  eprover = callPackage ../applications/science/logic/eprover {
+    texLive = texLiveAggregationFun {
+      paths = [
+        texLive texLiveExtra
+      ];
+    };
+  };
+
+  ginac = callPackage ../applications/science/math/ginac { };
+
+  hol = callPackage ../applications/science/logic/hol { };
+
+  hol_light = callPackage ../applications/science/logic/hol_light {
+    inherit (ocamlPackages) findlib;
+    camlp5 = ocamlPackages.camlp5_strict;
+  };
+
+  isabelle = import ../applications/science/logic/isabelle {
+    inherit (pkgs) stdenv fetchurl nettools perl polyml;
+    inherit (pkgs.emacs24Packages) proofgeneral;
+  };
+
+  iprover = callPackage ../applications/science/logic/iprover {};
+
+  leo2 = callPackage ../applications/science/logic/leo2 {};
+
+  logisim = callPackage ../applications/science/logic/logisim {};
+
+  ltl2ba = callPackage ../applications/science/logic/ltl2ba {};
+
+  matita = callPackage ../applications/science/logic/matita {
+    ocaml = ocaml_3_11_2;
+    inherit (ocamlPackages_3_11_2) findlib lablgtk ocaml_expat gmetadom ocaml_http
+            lablgtkmathview ocaml_mysql ocaml_sqlite3 ocamlnet camlzip ocaml_pcre;
+    ulex08 = ocamlPackages_3_11_2.ulex08.override { camlp5 = ocamlPackages_3_11_2.camlp5_5_transitional; };
+  };
+
+  matita_130312 = lowPrio (callPackage ../applications/science/logic/matita/130312.nix {
+    inherit (ocamlPackages) findlib lablgtk ocaml_expat gmetadom ocaml_http
+            ocaml_mysql ocamlnet ulex08 camlzip ocaml_pcre;
+  });
+
+  minisat = callPackage ../applications/science/logic/minisat {};
+
+  opensmt = callPackage ../applications/science/logic/opensmt { };
+
+  otter = callPackage ../applications/science/logic/otter {};
+
+  picosat = callPackage ../applications/science/logic/picosat {};
+
+  prooftree = callPackage ../applications/science/logic/prooftree {
+    inherit (ocamlPackages) findlib lablgtk;
+    camlp5 = ocamlPackages.camlp5_transitional;
+  };
+
+  prover9 = callPackage ../applications/science/logic/prover9 { };
+
+  satallax = callPackage ../applications/science/logic/satallax {};
+
+  spass = callPackage ../applications/science/logic/spass {};
+
+  ssreflect = callPackage ../applications/science/logic/ssreflect {
+    camlp5 = ocamlPackages.camlp5_transitional;
+  };
+
+  tptp = callPackage ../applications/science/logic/tptp {};
+
+  twelf = callPackage ../applications/science/logic/twelf {
+    smlnj = if stdenv.isDarwin
+      then smlnjBootstrap
+      else smlnj;
+  };
+
+  verifast = callPackage ../applications/science/logic/verifast {};
+
+  why3 = callPackage ../applications/science/logic/why3 {};
+
+  yices = callPackage ../applications/science/logic/yices {};
+
+  z3 = callPackage ../applications/science/logic/z3 {};
+
+  boolector   = boolector15;
+  boolector15 = callPackage ../applications/science/logic/boolector {};
+  boolector16 = lowPrio (callPackage ../applications/science/logic/boolector {
+    useV16 = true;
+  });
+
+  ### SCIENCE / ELECTRONICS
+
+  eagle = callPackage_i686 ../applications/science/electronics/eagle { };
+
+  caneda = callPackage ../applications/science/electronics/caneda { };
+
+  gtkwave = callPackage ../applications/science/electronics/gtkwave { };
+
+  kicad = callPackage ../applications/science/electronics/kicad {
+    wxGTK = wxGTK29;
+  };
+
+  ngspice = callPackage ../applications/science/electronics/ngspice { };
+
+  qucs = callPackage ../applications/science/electronics/qucs { };
+
+  xoscope = callPackage ../applications/science/electronics/xoscope { };
+
+
+  ### SCIENCE / MATH
+
+  ecm = callPackage ../applications/science/math/ecm { };
+
+  eukleides = callPackage ../applications/science/math/eukleides {
+    texinfo = texinfo4;
+  };
+
+  fricas = callPackage ../applications/science/math/fricas { };
+
+  gap = callPackage ../applications/science/math/gap { };
+
+  maxima = callPackage ../applications/science/math/maxima { };
+
+  wxmaxima = callPackage ../applications/science/math/wxmaxima { };
+
+  pari = callPackage ../applications/science/math/pari {};
+
+  pspp = callPackage ../applications/science/math/pssp {
+    inherit (gnome) libglade gtksourceview;
+  };
+
+  singular = callPackage ../applications/science/math/singular {};
+
+  scilab = callPackage ../applications/science/math/scilab {
+    withXaw3d = false;
+    withTk = true;
+    withGtk = false;
+    withOCaml = true;
+    withX = true;
+  };
+
+  msieve = callPackage ../applications/science/math/msieve { };
+
+  weka = callPackage ../applications/science/math/weka { };
+
+  yad = callPackage ../tools/misc/yad { };
+
+  yacas = callPackage ../applications/science/math/yacas { };
+
+  speedcrunch = callPackage ../applications/science/math/speedcrunch {
+    qt = qt4;
+    cmake = cmakeCurses;
+  };
+
+
+  ### SCIENCE / MISC
+
+  boinc = callPackage ../applications/science/misc/boinc { };
+
+  celestia = callPackage ../applications/science/astronomy/celestia {
+    lua = lua5_1;
+    inherit (xlibs) libXmu;
+    inherit (pkgs.gnome) gtkglext;
+  };
+
+  fityk = callPackage ../applications/science/misc/fityk { };
+
+  gravit = callPackage ../applications/science/astronomy/gravit { };
+
+  golly = callPackage ../applications/science/misc/golly { };
+
+  megam = callPackage ../applications/science/misc/megam { };
+
+  root = callPackage ../applications/science/misc/root { };
+
+  simgrid = callPackage ../applications/science/misc/simgrid { };
+
+  spyder = callPackage ../applications/science/spyder {
+    inherit (pythonPackages) pyflakes rope sphinx numpy scipy matplotlib; # recommended
+    inherit (pythonPackages) ipython pep8; # optional
+    inherit pylint;
+  };
+
+  stellarium = callPackage ../applications/science/astronomy/stellarium { };
+
+  tulip = callPackage ../applications/science/misc/tulip { };
+
+  vite = callPackage ../applications/science/misc/vite { };
+
+  xplanet = callPackage ../applications/science/astronomy/xplanet { };
+
+  ### MISC
+
+  atari800 = callPackage ../misc/emulators/atari800 { };
+
+  ataripp = callPackage ../misc/emulators/atari++ { };
+
+  auctex = callPackage ../tools/typesetting/tex/auctex { };
+
+  beep = callPackage ../misc/beep { };
+
+  cups = callPackage ../misc/cups { libusb = libusb1; };
+
+  cups_pdf_filter = callPackage ../misc/cups/pdf-filter.nix { };
+
+  gutenprint = callPackage ../misc/drivers/gutenprint { };
+
+  gutenprintBin = callPackage ../misc/drivers/gutenprint/bin.nix { };
+
+  cupsBjnp = callPackage ../misc/cups/drivers/cups-bjnp { };
+
+  darcnes = callPackage ../misc/emulators/darcnes { };
+
+  dbacl = callPackage ../tools/misc/dbacl { };
+
+  dblatex = callPackage ../tools/typesetting/tex/dblatex {
+    enableAllFeatures = false;
+  };
+
+  dblatexFull = appendToName "full" (dblatex.override {
+    enableAllFeatures = true;
+  });
+
+  dosbox = callPackage ../misc/emulators/dosbox { };
+
+  dpkg = callPackage ../tools/package-management/dpkg { };
+
+  ekiga = newScope pkgs.gnome ../applications/networking/instant-messengers/ekiga { };
+
+  emulationstation = callPackage ../misc/emulators/emulationstation { };
+
+  electricsheep = callPackage ../misc/screensavers/electricsheep { };
+
+  fakenes = callPackage ../misc/emulators/fakenes { };
+
+  fceux = callPackage ../misc/emulators/fceux { };
+
+  foldingathome = callPackage ../misc/foldingathome { };
+
+  foo2zjs = callPackage ../misc/drivers/foo2zjs {};
+
+  foomatic_filters = callPackage ../misc/drivers/foomatic-filters {};
+
+  freestyle = callPackage ../misc/freestyle { };
+
+  gajim = callPackage ../applications/networking/instant-messengers/gajim { };
+
+  gammu = callPackage ../applications/misc/gammu { };
+
+  gensgs = callPackage_i686 ../misc/emulators/gens-gs { };
+
+  ghostscript = callPackage ../misc/ghostscript {
+    x11Support = false;
+    cupsSupport = config.ghostscript.cups or (!stdenv.isDarwin);
+    gnuFork = config.ghostscript.gnu or false;
+  };
+
+  ghostscriptX = appendToName "with-X" (ghostscript.override {
+    x11Support = true;
+  });
+
+  guix = callPackage ../tools/package-management/guix { };
+
+  gxemul = callPackage ../misc/gxemul { };
+
+  hatari = callPackage ../misc/emulators/hatari { };
+
+  hplip = callPackage ../misc/drivers/hplip { };
+
+  hplipWithPlugin = hplip.override { withPlugin = true; };
+
+  # using the new configuration style proposal which is unstable
+  jack1 = callPackage ../misc/jackaudio/jack1.nix { };
+
+  jack2 = callPackage ../misc/jackaudio { };
+
+  keynav = callPackage ../tools/X11/keynav { };
+
+  lazylist = callPackage ../tools/typesetting/tex/lazylist { };
+
+  lilypond = callPackage ../misc/lilypond { guile = guile_1_8; };
+
+  martyr = callPackage ../development/libraries/martyr { };
+
+  maven = maven3;
+  maven3 = callPackage ../misc/maven { jdk = openjdk; };
+
+  mess = callPackage ../misc/emulators/mess {
+    inherit (pkgs.gnome) GConf;
+  };
+
+  mupen64plus = callPackage ../misc/emulators/mupen64plus { };
+
+  mupen64plus1_5 = callPackage ../misc/emulators/mupen64plus/1.5.nix { };
+
+  nix = nixStable;
+
+  nixStable = callPackage ../tools/package-management/nix {
+    storeDir = config.nix.storeDir or "/nix/store";
+    stateDir = config.nix.stateDir or "/nix/var";
+  };
+
+  nixUnstable = callPackage ../tools/package-management/nix/unstable.nix {
+    storeDir = config.nix.storeDir or "/nix/store";
+    stateDir = config.nix.stateDir or "/nix/var";
+  };
+
+  nixops = callPackage ../tools/package-management/nixops { };
+
+  nix-prefetch-scripts = callPackage ../tools/package-management/nix-prefetch-scripts { };
+
+  nix-repl = callPackage ../tools/package-management/nix-repl { };
+
+  nut = callPackage ../applications/misc/nut { };
+
+  solfege = callPackage ../misc/solfege {
+      pysqlite = pkgs.pythonPackages.sqlite3;
+  };
+
+  disnix = callPackage ../tools/package-management/disnix { };
+
+  dysnomia = callPackage ../tools/package-management/disnix/dysnomia {
+    enableApacheWebApplication = config.disnix.enableApacheWebApplication or false;
+    enableAxis2WebService = config.disnix.enableAxis2WebService or false;
+    enableEjabberdDump = config.disnix.enableEjabberdDump or false;
+    enableMySQLDatabase = config.disnix.enableMySQLDatabase or false;
+    enablePostgreSQLDatabase = config.disnix.enablePostgreSQLDatabase or false;
+    enableSubversionRepository = config.disnix.enableSubversionRepository or false;
+    enableTomcatWebApplication = config.disnix.enableTomcatWebApplication or false;
+  };
+
+  disnixos = callPackage ../tools/package-management/disnix/disnixos { };
+
+  DisnixWebService = callPackage ../tools/package-management/disnix/DisnixWebService { };
+
+  latex2html = callPackage ../tools/typesetting/tex/latex2html/default.nix {
+    tex = tetex;
+  };
+
+  lkproof = callPackage ../tools/typesetting/tex/lkproof { };
+
+  mysqlWorkbench = newScope gnome ../applications/misc/mysql-workbench {
+    lua = lua5;
+    inherit (pythonPackages) pexpect paramiko;
+  };
+
+  robomongo = callPackage ../applications/misc/robomongo { };
+
+  opkg = callPackage ../tools/package-management/opkg { };
+
+  pgadmin = callPackage ../applications/misc/pgadmin { };
+
+  pgf = pgf2;
+
+  # Keep the old PGF since some documents don't render properly with
+  # the new one.
+  pgf1 = callPackage ../tools/typesetting/tex/pgf/1.x.nix { };
+
+  pgf2 = callPackage ../tools/typesetting/tex/pgf/2.x.nix { };
+
+  pgfplots = callPackage ../tools/typesetting/tex/pgfplots { };
+
+  pjsip = callPackage ../applications/networking/pjsip { };
+
+  polytable = callPackage ../tools/typesetting/tex/polytable { };
+
+  PPSSPP = callPackage ../misc/emulators/ppsspp { };
+
+  uae = callPackage ../misc/emulators/uae { };
+
+  putty = callPackage ../applications/networking/remote/putty { };
+
+  retroarch = callPackage ../misc/emulators/retroarch { };
+
+  rssglx = callPackage ../misc/screensavers/rss-glx { };
+
+  xlockmore = callPackage ../misc/screensavers/xlockmore { };
+
+  samsungUnifiedLinuxDriver = import ../misc/cups/drivers/samsung {
+    inherit fetchurl stdenv;
+    inherit cups ghostscript glibc patchelf;
+    gcc = import ../development/compilers/gcc/4.4 {
+      inherit stdenv fetchurl gmp mpfr noSysDirs gettext which;
+      texinfo = texinfo4;
+      profiledCompiler = true;
+    };
+  };
+
+  saneBackends = callPackage ../applications/graphics/sane/backends.nix {
+    gt68xxFirmware = config.sane.gt68xxFirmware or null;
+    snapscanFirmware = config.sane.snapscanFirmware or null;
+    hotplugSupport = config.sane.hotplugSupport or true;
+    libusb = libusb1;
+  };
+
+  saneBackendsGit = callPackage ../applications/graphics/sane/backends-git.nix {
+    gt68xxFirmware = config.sane.gt68xxFirmware or null;
+    snapscanFirmware = config.sane.snapscanFirmware or null;
+    hotplugSupport = config.sane.hotplugSupport or true;
+  };
+
+  mkSaneConfig = callPackage ../applications/graphics/sane/config.nix { };
+
+  saneFrontends = callPackage ../applications/graphics/sane/frontends.nix { };
+
+  seafile-shared = callPackage ../misc/seafile-shared { };
+
+  slock = callPackage ../misc/screensavers/slock { };
+
+  sourceAndTags = import ../misc/source-and-tags {
+    inherit pkgs stdenv unzip lib ctags;
+    hasktags = haskellPackages.hasktags;
+  };
+
+  splix = callPackage ../misc/cups/drivers/splix { };
+
+  streamripper = callPackage ../applications/audio/streamripper { };
+
+  sqsh = callPackage ../development/tools/sqsh { };
+
+  tetex = callPackage ../tools/typesetting/tex/tetex { libpng = libpng12; };
+
+  tex4ht = callPackage ../tools/typesetting/tex/tex4ht { };
+
+  texFunctions = import ../tools/typesetting/tex/nix pkgs;
+
+  texLive = builderDefsPackage (import ../tools/typesetting/tex/texlive) {
+    inherit builderDefs zlib bzip2 ncurses libpng ed lesstif ruby potrace
+      gd t1lib freetype icu perl expat curl xz pkgconfig zziplib texinfo
+      libjpeg bison python fontconfig flex poppler libpaper graphite2
+      makeWrapper;
+    inherit (xlibs) libXaw libX11 xproto libXt libXpm
+      libXmu libXext xextproto libSM libICE;
+    ghostscript = ghostscriptX;
+    harfbuzz = harfbuzz.override {
+      withIcu = true; withGraphite2 = true;
+    };
+  };
+
+  texLiveFull = lib.setName "texlive-full" (texLiveAggregationFun {
+    paths = [ texLive texLiveExtra lmodern texLiveCMSuper texLiveLatexXColor
+              texLivePGF texLiveBeamer texLiveModerncv tipa tex4ht texinfo
+              texLiveModerntimeline ];
+  });
+
+  /* Look in configurations/misc/raskin.nix for usage example (around revisions
+  where TeXLive was added)
+
+  (texLiveAggregationFun {
+    paths = [texLive texLiveExtra texLiveCMSuper
+      texLiveBeamer
+    ];
+  })
+
+  You need to use texLiveAggregationFun to regenerate, say, ls-R (TeX-related file list)
+  Just installing a few packages doesn't work.
+  */
+  texLiveAggregationFun = params:
+    builderDefsPackage (import ../tools/typesetting/tex/texlive/aggregate.nix)
+      ({inherit poppler perl makeWrapper;} // params);
+
+  texDisser = callPackage ../tools/typesetting/tex/disser {};
+
+  texLiveContext = builderDefsPackage (import ../tools/typesetting/tex/texlive/context.nix) {
+    inherit texLive;
+  };
+
+  texLiveExtra = builderDefsPackage (import ../tools/typesetting/tex/texlive/extra.nix) {
+    inherit texLive xz;
+  };
+
+  texLiveCMSuper = builderDefsPackage (import ../tools/typesetting/tex/texlive/cm-super.nix) {
+    inherit texLive;
+  };
+
+  texLiveLatexXColor = builderDefsPackage (import ../tools/typesetting/tex/texlive/xcolor.nix) {
+    inherit texLive;
+  };
+
+  texLivePGF = builderDefsPackage (import ../tools/typesetting/tex/texlive/pgf.nix) {
+    inherit texLiveLatexXColor texLive;
+  };
+
+  texLiveBeamer = builderDefsPackage (import ../tools/typesetting/tex/texlive/beamer.nix) {
+    inherit texLiveLatexXColor texLivePGF texLive;
+  };
+
+  texLiveModerncv = builderDefsPackage (import ../tools/typesetting/tex/texlive/moderncv.nix) {
+    inherit texLive unzip;
+  };
+
+  texLiveModerntimeline = builderDefsPackage (import ../tools/typesetting/tex/texlive/moderntimeline.nix) {
+    inherit texLive unzip;
+  };
+
+  thermald = callPackage ../tools/system/thermald { };
+
+  thinkfan = callPackage ../tools/system/thinkfan { };
+
+  vice = callPackage ../misc/emulators/vice {
+    libX11 = xlibs.libX11;
+    giflib = giflib_4_1;
+  };
+
+  viewnior = callPackage ../applications/graphics/viewnior { };
+
+  vimPlugins = recurseIntoAttrs (callPackage ../misc/vim-plugins { });
+
+  vimprobable2 = callPackage ../applications/networking/browsers/vimprobable2 {
+    webkit = webkitgtk2;
+  };
+
+  vimprobable2Wrapper = wrapFirefox
+    { browser = vimprobable2; browserName = "vimprobable2"; desktopName = "Vimprobable2";
+    };
+
+  vimb = callPackage ../applications/networking/browsers/vimb {
+    webkit = webkitgtk2;
+  };
+
+  vimbWrapper = wrapFirefox {
+    browser = vimb;
+    browserName = "vimb";
+    desktopName = "Vimb";
+  };
+
+  VisualBoyAdvance = callPackage ../misc/emulators/VisualBoyAdvance { };
+
+  # Wine cannot be built in 64-bit; use a 32-bit build instead.
+  wineStable = callPackage_i686 ../misc/emulators/wine/stable.nix {
+    bison = bison2;
+  };
+
+  wineUnstable = lowPrio (callPackage_i686 ../misc/emulators/wine/unstable.nix {
+    bison = bison2;
+  });
+
+  wine = wineStable;
+
+  winetricks = callPackage ../misc/emulators/wine/winetricks.nix {
+    inherit (gnome2) zenity;
+  };
+
+  wxmupen64plus = callPackage ../misc/emulators/wxmupen64plus { };
+
+  x2x = callPackage ../tools/X11/x2x { };
+
+  xboxdrv = callPackage ../misc/drivers/xboxdrv { };
+
+  xinput_calibrator = callPackage ../tools/X11/xinput_calibrator {
+    inherit (xlibs) libXi inputproto;
+  };
+
+  xosd = callPackage ../misc/xosd { };
+
+  xsane = callPackage ../applications/graphics/sane/xsane.nix {
+    libpng = libpng12;
+    saneBackends = saneBackends;
+  };
+
+  yafc = callPackage ../applications/networking/yafc { };
+
+  yandex-disk = callPackage ../tools/filesystems/yandex-disk { };
+
+  myEnvFun = import ../misc/my-env {
+    inherit substituteAll pkgs;
+    inherit (stdenv) mkDerivation;
+  };
+
+  # patoline requires a rather large ocaml compilation environment.
+  # this is why it is build as an environment and not just a normal package.
+  # remark : the emacs mode is also installed, but you have to adjust your load-path.
+  PatolineEnv = pack: myEnvFun {
+      name = "patoline";
+      buildInputs = [ stdenv ncurses mesa freeglut libzip gcc
+                                   pack.ocaml pack.findlib pack.camomile
+                                   pack.dypgen pack.ocaml_sqlite3 pack.camlzip
+                                   pack.lablgtk pack.camlimages pack.ocaml_cairo
+                                   pack.lablgl pack.ocamlnet pack.cryptokit
+                                   pack.ocaml_pcre pack.patoline
+                                   ];
+    # this is to circumvent the bug with libgcc_s.so.1 which is
+    # not found when using thread
+    extraCmds = ''
+       LD_LIBRARY_PATH=\$LD_LIBRARY_PATH:${gcc.gcc}/lib
+       export LD_LIBRARY_PATH
+    '';
+  };
+
+  patoline = PatolineEnv ocamlPackages_4_00_1;
+
+  znc = callPackage ../applications/networking/znc { };
+
+  zncModules = recurseIntoAttrs (
+    callPackage ../applications/networking/znc/modules.nix { }
+  );
+
+  zsnes = callPackage_i686 ../misc/emulators/zsnes { };
+
+  snes9x-gtk = callPackage ../misc/emulators/snes9x-gtk { };
+
+  misc = import ../misc/misc.nix { inherit pkgs stdenv; };
+
+  bullet = callPackage ../development/libraries/bullet {};
+
+  dart = callPackage ../development/interpreters/dart { };
+
+  httrack = callPackage ../tools/backup/httrack { };
+
+  mg = callPackage ../applications/editors/mg { };
+
+
+  # Attributes for backward compatibility.
+  adobeReader = adobe-reader;
+  asciidocFull = asciidoc-full;  # added 2014-06-22
+  lttngTools = lttng-tools;  # added 2014-07-31
+  lttngUst = lttng-ust;  # added 2014-07-31
+
+
+}; in self; in pkgs
diff --git a/data/simple-pretty.nix b/data/simple-pretty.nix
new file mode 100644
index 0000000..2280d2f
--- /dev/null
+++ b/data/simple-pretty.nix
@@ -0,0 +1,28 @@
+{
+  a = 3;
+  b = 4;
+  c = {
+    inherit ({ a = 3; }) a;
+    e = 4;
+    f = 5;
+  };
+  d = if true
+    then { a = 1; b = 2; c = 3; }
+    else if false
+      then null
+      else {
+        inherit ({
+          a = 3;
+          b = 4;
+          cdefgads = 5;
+        }) cdefgads;
+      };
+  f = x: x;
+  list = [
+    1
+    2
+    (f 3)
+    ((x: x) 3)
+    [ 4 5 ]
+  ];
+}
diff --git a/data/simple.nix b/data/simple.nix
new file mode 100644
index 0000000..408e8f5
--- /dev/null
+++ b/data/simple.nix
@@ -0,0 +1 @@
+{ a = 3; b = 4; c = { inherit ({a = 3; }) a; e = 4; f = 5; }; d = if true then { a = 1; b = 2; c = 3; } else if false then null else { inherit ({a = 3; b = 4; cdefgads = 5; }) cdefgads; }; f = x: x; list = [ 1 2 (f 3) ((x: x) 3) [ 4 5 ] ]; }
\ No newline at end of file
diff --git a/hnix.cabal b/hnix.cabal
index 6137d2e..7f9ba0b 100644
--- a/hnix.cabal
+++ b/hnix.cabal
@@ -87,6 +87,8 @@ Test-suite hnix-tests
   Hs-source-dirs: tests
   Default-language: Haskell2010
   Main-is: Main.hs
+  Other-modules:
+    ParserTests
   Build-depends:
       base >= 4.3 && < 5
     , containers
@@ -96,6 +98,20 @@ Test-suite hnix-tests
     , tasty-th
     , tasty-hunit
 
+Benchmark benchmarks
+  Type: exitcode-stdio-1.0
+  Hs-source-dirs: benchmarks
+  Default-language: Haskell2010
+  Main-is: Main.hs
+  Other-modules:
+    ParserBench
+  Build-depends:
+      base >= 4.3 && < 5
+    , containers
+    , text
+    , hnix
+    , criterion
+
 source-repository head
   type:     git
   location: git://github.com/jwiegley/hnix.git
diff --git a/tests/ParserTests.hs b/tests/ParserTests.hs
index a8f88f3..79d350b 100644
--- a/tests/ParserTests.hs
+++ b/tests/ParserTests.hs
@@ -294,6 +294,12 @@ case_operators = do
     (mkOper2 NMinus (mkSym "a") (mkSym "b")) $
     mkSym "c"
 
+case_comments :: Assertion
+case_comments = do
+  Success expected <- parseNixFile "data/let.nix"
+  assertParseFile "let-comments-multiline.nix" expected
+  assertParseFile "let-comments.nix" expected
+
 tests :: TestTree
 tests = $testGroupGenerator
 
@@ -303,6 +309,13 @@ assertParseString str expected = case parseNixString str of
   Success actual -> assertEqual ("When parsing " ++ str) expected actual
   Failure err    -> assertFailure $ "Unexpected error parsing `" ++ str ++ "':\n" ++ show err
 
+assertParseFile :: FilePath -> NExpr -> Assertion
+assertParseFile file expected = do
+  res <- parseNixFile $ "data/" ++ file
+  case res of
+    Success actual -> assertEqual ("Parsing data file " ++ file) expected actual
+    Failure err    -> assertFailure $ "Unexpected error parsing data file `" ++ file ++ "':\n" ++ show err
+
 assertParseFail :: String -> Assertion
 assertParseFail str = case parseNixString str of
   Failure _ -> return ()