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(or in terms of the names of the actual files on disk, do not link libsystemd-shared-238.a into libcore.a). libsystemd_static is linked into libsystemd_shared, which in turn means that anything that links to libcore and libsystemd_shared will get libsystemd_static twice: $ cc -o systemd 'systemd@exe/src_core_main.c.o' -Wl,--no-undefined -Wl,--as-needed -Wl,-z,relro -Wl,-z,now -pie -DVALGRIND -Wl,--start-group src/core/libcore.a src/shared/libsystemd-shared-238.a src/shared/libsystemd-shared-238.so -pthread -lrt -lseccomp -lselinux -lmount -lblkid -Wl,--end-group -lseccomp -lpam -L/lib64 -laudit -lkmod -lmount -lrt -lcap -lacl -lcryptsetup -lgcrypt -lip4tc -lip6tc -lseccomp -lselinux -lidn -llzma -llz4 -lblkid '-Wl,-rpath,$ORIGIN/src/shared' -Wl,-rpath-link,/home/zbyszek/src/systemd/build/src/shared This propagation of the dependency seems correct (in the sense that meson is doing the expected thing based on the given configuration). Linking was done this way in the original meson conversion. I was probably trying to get everything to compile and link, I'm not sure why this particular choice was made. In the meantime, meson has gotten better at propagating dependencies, so it's possible that this had slightly different effect in the original conversion, but I did not verify this. Either way, I think we should drop this. With the patch: $ cc -o systemd 'systemd@exe/src_core_main.c.o' -Wl,--no-undefined -Wl,--as-needed -Wl,-z,relro -Wl,-z,now -pie -DVALGRIND -Wl,--start-group src/core/libcore.a src/shared/libsystemd-shared-238.so -pthread -lrt -lseccomp -lselinux -lmount -Wl,--end-group -lblkid -lrt -lseccomp -lpam -L/lib64 -laudit -lkmod -lselinux -lmount '-Wl,-rpath,$ORIGIN/src/shared' -Wl,-rpath-link,/home/zbyszek/src/systemd/build/src/shared This is more correct because we're not linking the same code twice. With the patch, libystemd_static is used in exactly four places: - src/shared/libsystemd-shared-238.so - src/udev/libudev.so.1.6.10 - pam_systemd.so - test-bus-error (compared to a bunch more executables before, including systemd, systemd-analyze, test-hostname, test-ns, etc.) Size savings are also noticable: $ size /var/tmp/inst?/usr/lib/systemd/libsystemd-shared-238.so text data bss dec hex filename 2397826 578488 15920 2992234 2da86a /var/tmp/inst1/usr/lib/systemd/libsystemd-shared-238.so 2397826 578488 15920 2992234 2da86a /var/tmp/inst2/usr/lib/systemd/libsystemd-shared-238.so $ size /var/tmp/inst?/usr/lib/systemd/systemd text data bss dec hex filename 1858790 261688 9320 2129798 207f86 /var/tmp/inst1/usr/lib/systemd/systemd 1556358 258704 8072 1823134 1bd19e /var/tmp/inst2/usr/lib/systemd/systemd $ du -s /var/tmp/inst? 52216 /var/tmp/inst1 50844 /var/tmp/inst2 https://github.com/google/oss-fuzz/issues/1330#issuecomment-384054530 might be related.
226 lines
5.9 KiB
Meson
226 lines
5.9 KiB
Meson
# SPDX-License-Identifier: LGPL-2.1+
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#
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# Copyright 2017 Zbigniew Jędrzejewski-Szmek
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libcore_la_sources = '''
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audit-fd.c
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audit-fd.h
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automount.c
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automount.h
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bpf-firewall.c
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bpf-firewall.h
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cgroup.c
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cgroup.h
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chown-recursive.c
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chown-recursive.h
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dbus-automount.c
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dbus-automount.h
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dbus-cgroup.c
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dbus-cgroup.h
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dbus-device.c
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dbus-device.h
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dbus-execute.c
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dbus-execute.h
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dbus-job.c
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dbus-job.h
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dbus-kill.c
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dbus-kill.h
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dbus-manager.c
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dbus-manager.h
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dbus-mount.c
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dbus-mount.h
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dbus-path.c
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dbus-path.h
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dbus-scope.c
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dbus-scope.h
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dbus-service.c
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dbus-service.h
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dbus-slice.c
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dbus-slice.h
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dbus-socket.c
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dbus-socket.h
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dbus-swap.c
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dbus-swap.h
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dbus-target.c
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dbus-target.h
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dbus-timer.c
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dbus-timer.h
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dbus-unit.c
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dbus-unit.h
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dbus-util.c
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dbus-util.h
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dbus.c
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dbus.h
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device.c
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device.h
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dynamic-user.c
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dynamic-user.h
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emergency-action.c
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emergency-action.h
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execute.c
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execute.h
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hostname-setup.c
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hostname-setup.h
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ima-setup.c
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ima-setup.h
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ip-address-access.c
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ip-address-access.h
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job.c
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job.h
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kill.c
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kill.h
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killall.c
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killall.h
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kmod-setup.c
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kmod-setup.h
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load-dropin.c
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load-dropin.h
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load-fragment.c
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load-fragment.h
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locale-setup.c
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locale-setup.h
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loopback-setup.c
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loopback-setup.h
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machine-id-setup.c
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machine-id-setup.h
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manager.c
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manager.h
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mount-setup.c
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mount-setup.h
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mount.c
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mount.h
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namespace.c
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namespace.h
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path.c
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path.h
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scope.c
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scope.h
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selinux-access.c
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selinux-access.h
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selinux-setup.c
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selinux-setup.h
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service.c
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service.h
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show-status.c
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show-status.h
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slice.c
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slice.h
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smack-setup.c
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smack-setup.h
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socket.c
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socket.h
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swap.c
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swap.h
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target.c
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target.h
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timer.c
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timer.h
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transaction.c
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transaction.h
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unit-printf.c
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unit-printf.h
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unit.c
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unit.h
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'''.split()
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load_fragment_gperf_gperf = custom_target(
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'load-fragment-gperf.gperf',
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input : 'load-fragment-gperf.gperf.m4',
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output: 'load-fragment-gperf.gperf',
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command : [m4, '-P'] + m4_defines + ['@INPUT@'],
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capture : true)
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load_fragment_gperf_c = custom_target(
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'load-fragment-gperf.c',
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input : load_fragment_gperf_gperf,
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output : 'load-fragment-gperf.c',
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command : [gperf, '@INPUT@', '--output-file', '@OUTPUT@'])
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awkscript = 'load-fragment-gperf-nulstr.awk'
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load_fragment_gperf_nulstr_c = custom_target(
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'load-fragment-gperf-nulstr.c',
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input : [awkscript, load_fragment_gperf_gperf],
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output : 'load-fragment-gperf-nulstr.c',
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command : [awk, '-f', '@INPUT0@', '@INPUT1@'],
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capture : true)
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libcore = static_library(
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'core',
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libcore_la_sources,
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load_fragment_gperf_c,
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load_fragment_gperf_nulstr_c,
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include_directories : includes,
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dependencies : [threads,
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librt,
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libseccomp,
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libpam,
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libaudit,
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libkmod,
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libapparmor,
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libselinux,
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libmount])
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systemd_sources = files('main.c')
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systemd_shutdown_sources = files('''
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shutdown.c
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umount.c
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umount.h
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mount-setup.c
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mount-setup.h
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killall.c
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killall.h
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'''.split())
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in_files = [['macros.systemd', rpmmacrosdir],
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['triggers.systemd', ''],
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['systemd.pc', pkgconfigdatadir],
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['system.conf', pkgsysconfdir]]
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foreach item : in_files
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file = item[0]
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dir = item[1]
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# If 'no', disable generation completely.
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# If '', generate, but do not install.
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if dir != 'no'
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gen = configure_file(
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input : file + '.in',
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output : file,
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configuration : substs)
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if dir != ''
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install_data(gen,
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install_dir : dir)
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endif
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endif
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endforeach
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install_data('org.freedesktop.systemd1.conf',
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install_dir : dbuspolicydir)
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install_data('org.freedesktop.systemd1.service',
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install_dir : dbussystemservicedir)
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policy = configure_file(
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input : 'org.freedesktop.systemd1.policy.in',
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output : 'org.freedesktop.systemd1.policy',
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configuration : substs)
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install_data(policy,
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install_dir : polkitpolicydir)
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install_data('user.conf',
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install_dir : pkgsysconfdir)
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meson.add_install_script('sh', '-c', mkdir_p.format(systemshutdowndir))
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meson.add_install_script('sh', '-c', mkdir_p.format(systemsleepdir))
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meson.add_install_script('sh', '-c', mkdir_p.format(systemgeneratordir))
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meson.add_install_script('sh', '-c', mkdir_p.format(usergeneratordir))
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meson.add_install_script('sh', '-c',
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mkdir_p.format(join_paths(pkgsysconfdir, 'system/multi-user.target.wants')))
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meson.add_install_script('sh', '-c',
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mkdir_p.format(join_paths(pkgsysconfdir, 'system/getty.target.wants')))
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meson.add_install_script('sh', '-c',
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mkdir_p.format(join_paths(pkgsysconfdir, 'user')))
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meson.add_install_script('sh', '-c',
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mkdir_p.format(join_paths(sysconfdir, 'xdg/systemd')))
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