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Move system-specific settings out of toplevel configure.in and config.make.in.

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This commit is contained in:
Joseph Myers 2013-03-20 22:37:06 +00:00
parent 912cc4b3e4
commit bef0b50749
13 changed files with 90 additions and 37 deletions
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41
ChangeLog
View file

@ -1,3 +1,44 @@
2013-03-20 Joseph Myers <joseph@codesourcery.com>
* aclocal.m4 (LIBC_CONFIG_VAR): New autoconf macro.
* config.make.in (config-cflags-sse4): Remove variable.
(config-cflags-avx): Likewise.
(config-cflags-sse2avx): Likewise.
(config-cflags-novzeroupper): Likewise.
(config-asflags-i686): Likewise.
(have-mfma4): Likewise.
(have-as-vis3): Likewise.
(MIG): Likewise.
* configure.in (MIG): Do not AC_SUBST.
(libc_cv_cc_nofma): Move AC_SUBST next to configure test.
(libc_cv_cc_sse4): Do not AC_SUBST.
(libc_cv_cc_avx): Likewise.
(libc_cv_cc_sse2avx): Likewise.
(libc_cv_cc_novzeroupper): Likewise.
(libc_cv_cc_fma4): Likewise.
(libc_cv_as_i686): Likewise.
(libc_cv_sparc_as_vis3): Likewise.
* sysdeps/i386/configure.in (config-cflags-sse4): Set using
LIBC_CONFIG_VAR.
(config-asflags-i686): Likewise.
(config-cflags-avx): Likewise.
(config-cflags-sse2avx): Likewise.
(have-mfma4): Likewise.
(config-cflags-novzeroupper): Likewise.
* sysdeps/mach/configure.in (MIG): Likewise.
* sysdeps/sparc/configure.in (have-as-vis3): Likewise.
* sysdeps/x86_64/configure.in (config-cflags-sse4): Set using
LIBC_CONFIG_VAR.
(config-cflags-avx): Likewise.
(config-cflags-sse2avx): Likewise.
(have-mfma4): Likewise.
(config-cflags-novzeroupper): Likewise.
* configure: Regenerated.
* sysdeps/i386/configure: Likewise.
* sysdeps/mach/configure: Likewise.
* sysdeps/sparc/configure: Likewise.
* sysdeps/x86_64/configure: Likewise.
2013-03-20 Roland McGrath <roland@hack.frob.com> 2013-03-20 Roland McGrath <roland@hack.frob.com>
[BZ #14812] [BZ #14812]

7
aclocal.m4 vendored
View file

@ -241,3 +241,10 @@ else
$4 $4
fi fi
AC_MSG_RESULT($libc_linker_feature)]) AC_MSG_RESULT($libc_linker_feature)])
dnl Add a makefile variable, with value set from a shell string
dnl (expanded by the shell inside double quotes), to config.make.
dnl LIBC_CONFIG_VAR(make-variable, shell-value)
AC_DEFUN([LIBC_CONFIG_VAR],
[config_vars="$config_vars
$1 = $2"])

8
config.make.in
View file

@ -37,12 +37,7 @@ cflags-cpu = @libc_cv_cc_submachine@
asflags-cpu = @libc_cv_cc_submachine@ asflags-cpu = @libc_cv_cc_submachine@
config-extra-cflags = @libc_extra_cflags@ config-extra-cflags = @libc_extra_cflags@
config-cflags-sse4 = @libc_cv_cc_sse4@
config-cflags-avx = @libc_cv_cc_avx@
config-cflags-sse2avx = @libc_cv_cc_sse2avx@
config-cflags-novzeroupper = @libc_cv_cc_novzeroupper@
config-cflags-nofma = @libc_cv_cc_nofma@ config-cflags-nofma = @libc_cv_cc_nofma@
config-asflags-i686 = @libc_cv_as_i686@
defines = @DEFINES@ defines = @DEFINES@
sysheaders = @sysheaders@ sysheaders = @sysheaders@
@ -58,8 +53,6 @@ old-glibc-headers = @old_glibc_headers@
unwind-find-fde = @libc_cv_gcc_unwind_find_fde@ unwind-find-fde = @libc_cv_gcc_unwind_find_fde@
have-forced-unwind = @libc_cv_forced_unwind@ have-forced-unwind = @libc_cv_forced_unwind@
have-fpie = @libc_cv_fpie@ have-fpie = @libc_cv_fpie@
have-mfma4 = @libc_cv_cc_fma4@
have-as-vis3 = @libc_cv_sparc_as_vis3@
gnu89-inline-CFLAGS = @gnu89_inline@ gnu89-inline-CFLAGS = @gnu89_inline@
have-ssp = @libc_cv_ssp@ have-ssp = @libc_cv_ssp@
have-selinux = @have_selinux@ have-selinux = @have_selinux@
@ -115,7 +108,6 @@ AR = @AR@
NM = @NM@ NM = @NM@
MAKEINFO = @MAKEINFO@ MAKEINFO = @MAKEINFO@
AS = $(CC) -c AS = $(CC) -c
MIG = @MIG@
BISON = @BISON@ BISON = @BISON@
AUTOCONF = @AUTOCONF@ AUTOCONF = @AUTOCONF@
OBJDUMP = @OBJDUMP@ OBJDUMP = @OBJDUMP@

20
configure vendored
View file

@ -581,14 +581,6 @@ shared
static static
ldd_rewrite_script ldd_rewrite_script
use_ldconfig use_ldconfig
libc_cv_sparc_as_vis3
libc_cv_as_i686
libc_cv_cc_nofma
libc_cv_cc_fma4
libc_cv_cc_novzeroupper
libc_cv_cc_sse2avx
libc_cv_cc_avx
libc_cv_cc_sse4
libc_cv_forced_unwind libc_cv_forced_unwind
libc_cv_rootsbindir libc_cv_rootsbindir
libc_cv_localstatedir libc_cv_localstatedir
@ -607,6 +599,7 @@ have_libcap
have_libaudit have_libaudit
LIBGD LIBGD
libc_cv_cc_submachine libc_cv_cc_submachine
libc_cv_cc_nofma
exceptions exceptions
gnu89_inline gnu89_inline
libc_cv_ssp libc_cv_ssp
@ -639,7 +632,6 @@ MSGFMT
MAKE MAKE
LD LD
AS AS
MIG
OBJCOPY OBJCOPY
OBJDUMP OBJDUMP
AR AR
@ -6912,6 +6904,7 @@ fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_nofma" >&5 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_nofma" >&5
$as_echo "$libc_cv_cc_nofma" >&6; } $as_echo "$libc_cv_cc_nofma" >&6; }
if test -n "$submachine"; then if test -n "$submachine"; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for compiler option for CPU variant" >&5 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for compiler option for CPU variant" >&5
$as_echo_n "checking for compiler option for CPU variant... " >&6; } $as_echo_n "checking for compiler option for CPU variant... " >&6; }
@ -7367,15 +7360,6 @@ fi
if test x$use_ldconfig = xyes; then if test x$use_ldconfig = xyes; then
$as_echo "#define USE_LDCONFIG 1" >>confdefs.h $as_echo "#define USE_LDCONFIG 1" >>confdefs.h

12
configure.in
View file

@ -954,7 +954,6 @@ fi
AC_PROG_LN_S AC_PROG_LN_S
LIBC_PROG_BINUTILS LIBC_PROG_BINUTILS
AC_SUBST(MIG)dnl Needed by sysdeps/mach/configure.in
# Accept binutils 2.20 or newer. # Accept binutils 2.20 or newer.
AC_CHECK_PROG_VER(AS, $AS, --version, AC_CHECK_PROG_VER(AS, $AS, --version,
@ -1948,6 +1947,7 @@ libc_cv_cc_nofma=
for opt in -ffp-contract=off -mno-fused-madd; do for opt in -ffp-contract=off -mno-fused-madd; do
LIBC_TRY_CC_OPTION([$opt], [libc_cv_cc_nofma=$opt; break]) LIBC_TRY_CC_OPTION([$opt], [libc_cv_cc_nofma=$opt; break])
done]) done])
AC_SUBST(libc_cv_cc_nofma)
if test -n "$submachine"; then if test -n "$submachine"; then
AC_CACHE_CHECK([for compiler option for CPU variant], AC_CACHE_CHECK([for compiler option for CPU variant],
@ -2160,16 +2160,6 @@ AC_SUBST(libc_cv_localstatedir)
AC_SUBST(libc_cv_rootsbindir) AC_SUBST(libc_cv_rootsbindir)
AC_SUBST(libc_cv_forced_unwind) AC_SUBST(libc_cv_forced_unwind)
dnl sysdeps/CPU/configure.in checks set this via arch-specific asm tests
AC_SUBST(libc_cv_cc_sse4)
AC_SUBST(libc_cv_cc_avx)
AC_SUBST(libc_cv_cc_sse2avx)
AC_SUBST(libc_cv_cc_novzeroupper)
AC_SUBST(libc_cv_cc_fma4)
AC_SUBST(libc_cv_cc_nofma)
AC_SUBST(libc_cv_as_i686)
AC_SUBST(libc_cv_sparc_as_vis3)
if test x$use_ldconfig = xyes; then if test x$use_ldconfig = xyes; then
AC_DEFINE(USE_LDCONFIG) AC_DEFINE(USE_LDCONFIG)
fi fi

12
sysdeps/i386/configure vendored
View file

@ -66,6 +66,8 @@ if test $libc_cv_cc_sse4 = yes; then
$as_echo "#define HAVE_SSE4_SUPPORT 1" >>confdefs.h $as_echo "#define HAVE_SSE4_SUPPORT 1" >>confdefs.h
fi fi
config_vars="$config_vars
config-cflags-sse4 = $libc_cv_cc_sse4"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for assembler -mtune=i686 support" >&5 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for assembler -mtune=i686 support" >&5
$as_echo_n "checking for assembler -mtune=i686 support... " >&6; } $as_echo_n "checking for assembler -mtune=i686 support... " >&6; }
@ -86,6 +88,8 @@ fi
fi fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_as_i686" >&5 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_as_i686" >&5
$as_echo "$libc_cv_as_i686" >&6; } $as_echo "$libc_cv_as_i686" >&6; }
config_vars="$config_vars
config-asflags-i686 = $libc_cv_as_i686"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for AVX support" >&5 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for AVX support" >&5
$as_echo_n "checking for AVX support... " >&6; } $as_echo_n "checking for AVX support... " >&6; }
@ -110,6 +114,8 @@ if test $libc_cv_cc_avx = yes; then
$as_echo "#define HAVE_AVX_SUPPORT 1" >>confdefs.h $as_echo "#define HAVE_AVX_SUPPORT 1" >>confdefs.h
fi fi
config_vars="$config_vars
config-cflags-avx = $libc_cv_cc_avx"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for AVX encoding of SSE instructions" >&5 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for AVX encoding of SSE instructions" >&5
$as_echo_n "checking for AVX encoding of SSE instructions... " >&6; } $as_echo_n "checking for AVX encoding of SSE instructions... " >&6; }
@ -134,6 +140,8 @@ if test $libc_cv_cc_sse2avx = yes; then
$as_echo "#define HAVE_SSE2AVX_SUPPORT 1" >>confdefs.h $as_echo "#define HAVE_SSE2AVX_SUPPORT 1" >>confdefs.h
fi fi
config_vars="$config_vars
config-cflags-sse2avx = $libc_cv_cc_sse2avx"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for FMA4 support" >&5 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for FMA4 support" >&5
$as_echo_n "checking for FMA4 support... " >&6; } $as_echo_n "checking for FMA4 support... " >&6; }
@ -158,6 +166,8 @@ if test $libc_cv_cc_fma4 = yes; then
$as_echo "#define HAVE_FMA4_SUPPORT 1" >>confdefs.h $as_echo "#define HAVE_FMA4_SUPPORT 1" >>confdefs.h
fi fi
config_vars="$config_vars
have-mfma4 = $libc_cv_cc_fma4"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -mno-vzeroupper support" >&5 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -mno-vzeroupper support" >&5
$as_echo_n "checking for -mno-vzeroupper support... " >&6; } $as_echo_n "checking for -mno-vzeroupper support... " >&6; }
@ -178,6 +188,8 @@ fi
fi fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_novzeroupper" >&5 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_novzeroupper" >&5
$as_echo "$libc_cv_cc_novzeroupper" >&6; } $as_echo "$libc_cv_cc_novzeroupper" >&6; }
config_vars="$config_vars
config-cflags-novzeroupper = $libc_cv_cc_novzeroupper"
$as_echo "#define PI_STATIC_AND_HIDDEN 1" >>confdefs.h $as_echo "#define PI_STATIC_AND_HIDDEN 1" >>confdefs.h

6
sysdeps/i386/configure.in
View file

@ -12,6 +12,7 @@ LIBC_TRY_CC_OPTION([-msse4], [libc_cv_cc_sse4=yes], [libc_cv_cc_sse4=no])
if test $libc_cv_cc_sse4 = yes; then if test $libc_cv_cc_sse4 = yes; then
AC_DEFINE(HAVE_SSE4_SUPPORT) AC_DEFINE(HAVE_SSE4_SUPPORT)
fi fi
LIBC_CONFIG_VAR([config-cflags-sse4], [$libc_cv_cc_sse4])
dnl Check if -Wa,-mtune=i686 works. dnl Check if -Wa,-mtune=i686 works.
AC_CACHE_CHECK(for assembler -mtune=i686 support, libc_cv_as_i686, [dnl AC_CACHE_CHECK(for assembler -mtune=i686 support, libc_cv_as_i686, [dnl
@ -19,6 +20,7 @@ LIBC_TRY_CC_OPTION([-Wa,-mtune=i686],
[libc_cv_as_i686=yes], [libc_cv_as_i686=yes],
[libc_cv_as_i686=no]) [libc_cv_as_i686=no])
]) ])
LIBC_CONFIG_VAR([config-asflags-i686], [$libc_cv_as_i686])
dnl Check if -mavx works. dnl Check if -mavx works.
AC_CACHE_CHECK(for AVX support, libc_cv_cc_avx, [dnl AC_CACHE_CHECK(for AVX support, libc_cv_cc_avx, [dnl
@ -27,6 +29,7 @@ LIBC_TRY_CC_OPTION([-mavx], [libc_cv_cc_avx=yes], [libc_cv_cc_avx=no])
if test $libc_cv_cc_avx = yes; then if test $libc_cv_cc_avx = yes; then
AC_DEFINE(HAVE_AVX_SUPPORT) AC_DEFINE(HAVE_AVX_SUPPORT)
fi fi
LIBC_CONFIG_VAR([config-cflags-avx], [$libc_cv_cc_avx])
dnl Check if -msse2avx works. dnl Check if -msse2avx works.
AC_CACHE_CHECK(for AVX encoding of SSE instructions, libc_cv_cc_sse2avx, [dnl AC_CACHE_CHECK(for AVX encoding of SSE instructions, libc_cv_cc_sse2avx, [dnl
@ -37,6 +40,7 @@ LIBC_TRY_CC_OPTION([-msse2avx],
if test $libc_cv_cc_sse2avx = yes; then if test $libc_cv_cc_sse2avx = yes; then
AC_DEFINE(HAVE_SSE2AVX_SUPPORT) AC_DEFINE(HAVE_SSE2AVX_SUPPORT)
fi fi
LIBC_CONFIG_VAR([config-cflags-sse2avx], [$libc_cv_cc_sse2avx])
dnl Check if -mfma4 works. dnl Check if -mfma4 works.
AC_CACHE_CHECK(for FMA4 support, libc_cv_cc_fma4, [dnl AC_CACHE_CHECK(for FMA4 support, libc_cv_cc_fma4, [dnl
@ -45,6 +49,7 @@ LIBC_TRY_CC_OPTION([-mfma4], [libc_cv_cc_fma4=yes], [libc_cv_cc_fma4=no])
if test $libc_cv_cc_fma4 = yes; then if test $libc_cv_cc_fma4 = yes; then
AC_DEFINE(HAVE_FMA4_SUPPORT) AC_DEFINE(HAVE_FMA4_SUPPORT)
fi fi
LIBC_CONFIG_VAR([have-mfma4], [$libc_cv_cc_fma4])
dnl Check if -mno-vzeroupper works. dnl Check if -mno-vzeroupper works.
AC_CACHE_CHECK(for -mno-vzeroupper support, libc_cv_cc_novzeroupper, [dnl AC_CACHE_CHECK(for -mno-vzeroupper support, libc_cv_cc_novzeroupper, [dnl
@ -52,6 +57,7 @@ LIBC_TRY_CC_OPTION([-mno-vzeroupper],
[libc_cv_cc_novzeroupper=yes], [libc_cv_cc_novzeroupper=yes],
[libc_cv_cc_novzeroupper=no]) [libc_cv_cc_novzeroupper=no])
]) ])
LIBC_CONFIG_VAR([config-cflags-novzeroupper], [$libc_cv_cc_novzeroupper])
dnl It is always possible to access static and hidden symbols in an dnl It is always possible to access static and hidden symbols in an
dnl position independent way. dnl position independent way.

2
sysdeps/mach/configure vendored
View file

@ -162,6 +162,8 @@ fi
if test "x$MIG" = xMISSING; then if test "x$MIG" = xMISSING; then
as_fn_error $? "cannot find required build tool mig" "$LINENO" 5 as_fn_error $? "cannot find required build tool mig" "$LINENO" 5
fi fi
config_vars="$config_vars
MIG = $MIG"
### Sanity checks for Mach header installation ### Sanity checks for Mach header installation

1
sysdeps/mach/configure.in
View file

@ -4,6 +4,7 @@ AC_CHECK_TOOL(MIG, mig, MISSING)
if test "x$MIG" = xMISSING; then if test "x$MIG" = xMISSING; then
AC_MSG_ERROR([cannot find required build tool mig]) AC_MSG_ERROR([cannot find required build tool mig])
fi fi
LIBC_CONFIG_VAR([MIG], [$MIG])
### Sanity checks for Mach header installation ### Sanity checks for Mach header installation
AC_CHECK_HEADER(mach/mach_types.h,, AC_CHECK_HEADER(mach/mach_types.h,,

2
sysdeps/sparc/configure vendored
View file

@ -40,6 +40,8 @@ if test $libc_cv_sparc_as_vis3 = yes; then
$as_echo "#define HAVE_AS_VIS3_SUPPORT 1" >>confdefs.h $as_echo "#define HAVE_AS_VIS3_SUPPORT 1" >>confdefs.h
fi fi
config_vars="$config_vars
have-as-vis3 = $libc_cv_sparc_as_vis3"
# Check for a GCC emitting GOTDATA relocations. # Check for a GCC emitting GOTDATA relocations.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for sparc gcc GOTDATA reloc support" >&5 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sparc gcc GOTDATA reloc support" >&5

1
sysdeps/sparc/configure.in
View file

@ -28,6 +28,7 @@ rm -f conftest*])
if test $libc_cv_sparc_as_vis3 = yes; then if test $libc_cv_sparc_as_vis3 = yes; then
AC_DEFINE(HAVE_AS_VIS3_SUPPORT) AC_DEFINE(HAVE_AS_VIS3_SUPPORT)
fi fi
LIBC_CONFIG_VAR([have-as-vis3], [$libc_cv_sparc_as_vis3])
# Check for a GCC emitting GOTDATA relocations. # Check for a GCC emitting GOTDATA relocations.
AC_CACHE_CHECK(for sparc gcc GOTDATA reloc support, libc_cv_sparc_gcc_gotdata, [dnl AC_CACHE_CHECK(for sparc gcc GOTDATA reloc support, libc_cv_sparc_gcc_gotdata, [dnl

10
sysdeps/x86_64/configure vendored
View file

@ -66,6 +66,8 @@ if test $libc_cv_cc_sse4 = yes; then
$as_echo "#define HAVE_SSE4_SUPPORT 1" >>confdefs.h $as_echo "#define HAVE_SSE4_SUPPORT 1" >>confdefs.h
fi fi
config_vars="$config_vars
config-cflags-sse4 = $libc_cv_cc_sse4"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for AVX support" >&5 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for AVX support" >&5
$as_echo_n "checking for AVX support... " >&6; } $as_echo_n "checking for AVX support... " >&6; }
@ -90,6 +92,8 @@ if test $libc_cv_cc_avx = yes; then
$as_echo "#define HAVE_AVX_SUPPORT 1" >>confdefs.h $as_echo "#define HAVE_AVX_SUPPORT 1" >>confdefs.h
fi fi
config_vars="$config_vars
config-cflags-avx = $libc_cv_cc_avx"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for AVX encoding of SSE instructions" >&5 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for AVX encoding of SSE instructions" >&5
$as_echo_n "checking for AVX encoding of SSE instructions... " >&6; } $as_echo_n "checking for AVX encoding of SSE instructions... " >&6; }
@ -114,6 +118,8 @@ if test $libc_cv_cc_sse2avx = yes; then
$as_echo "#define HAVE_SSE2AVX_SUPPORT 1" >>confdefs.h $as_echo "#define HAVE_SSE2AVX_SUPPORT 1" >>confdefs.h
fi fi
config_vars="$config_vars
config-cflags-sse2avx = $libc_cv_cc_sse2avx"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for FMA4 support" >&5 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for FMA4 support" >&5
$as_echo_n "checking for FMA4 support... " >&6; } $as_echo_n "checking for FMA4 support... " >&6; }
@ -138,6 +144,8 @@ if test $libc_cv_cc_fma4 = yes; then
$as_echo "#define HAVE_FMA4_SUPPORT 1" >>confdefs.h $as_echo "#define HAVE_FMA4_SUPPORT 1" >>confdefs.h
fi fi
config_vars="$config_vars
have-mfma4 = $libc_cv_cc_fma4"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -mno-vzeroupper support" >&5 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -mno-vzeroupper support" >&5
$as_echo_n "checking for -mno-vzeroupper support... " >&6; } $as_echo_n "checking for -mno-vzeroupper support... " >&6; }
@ -158,6 +166,8 @@ fi
fi fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_novzeroupper" >&5 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_novzeroupper" >&5
$as_echo "$libc_cv_cc_novzeroupper" >&6; } $as_echo "$libc_cv_cc_novzeroupper" >&6; }
config_vars="$config_vars
config-cflags-novzeroupper = $libc_cv_cc_novzeroupper"
$as_echo "#define PI_STATIC_AND_HIDDEN 1" >>confdefs.h $as_echo "#define PI_STATIC_AND_HIDDEN 1" >>confdefs.h

5
sysdeps/x86_64/configure.in
View file

@ -12,6 +12,7 @@ LIBC_TRY_CC_OPTION([-msse4], [libc_cv_cc_sse4=yes], [libc_cv_cc_sse4=no])
if test $libc_cv_cc_sse4 = yes; then if test $libc_cv_cc_sse4 = yes; then
AC_DEFINE(HAVE_SSE4_SUPPORT) AC_DEFINE(HAVE_SSE4_SUPPORT)
fi fi
LIBC_CONFIG_VAR([config-cflags-sse4], [$libc_cv_cc_sse4])
dnl Check if -mavx works. dnl Check if -mavx works.
AC_CACHE_CHECK(for AVX support, libc_cv_cc_avx, [dnl AC_CACHE_CHECK(for AVX support, libc_cv_cc_avx, [dnl
@ -20,6 +21,7 @@ LIBC_TRY_CC_OPTION([-mavx], [libc_cv_cc_avx=yes], [libc_cv_cc_avx=no])
if test $libc_cv_cc_avx = yes; then if test $libc_cv_cc_avx = yes; then
AC_DEFINE(HAVE_AVX_SUPPORT) AC_DEFINE(HAVE_AVX_SUPPORT)
fi fi
LIBC_CONFIG_VAR([config-cflags-avx], [$libc_cv_cc_avx])
dnl Check if -msse2avx works. dnl Check if -msse2avx works.
AC_CACHE_CHECK(for AVX encoding of SSE instructions, libc_cv_cc_sse2avx, [dnl AC_CACHE_CHECK(for AVX encoding of SSE instructions, libc_cv_cc_sse2avx, [dnl
@ -30,6 +32,7 @@ LIBC_TRY_CC_OPTION([-msse2avx],
if test $libc_cv_cc_sse2avx = yes; then if test $libc_cv_cc_sse2avx = yes; then
AC_DEFINE(HAVE_SSE2AVX_SUPPORT) AC_DEFINE(HAVE_SSE2AVX_SUPPORT)
fi fi
LIBC_CONFIG_VAR([config-cflags-sse2avx], [$libc_cv_cc_sse2avx])
dnl Check if -mfma4 works. dnl Check if -mfma4 works.
AC_CACHE_CHECK(for FMA4 support, libc_cv_cc_fma4, [dnl AC_CACHE_CHECK(for FMA4 support, libc_cv_cc_fma4, [dnl
@ -38,6 +41,7 @@ LIBC_TRY_CC_OPTION([-mfma4], [libc_cv_cc_fma4=yes], [libc_cv_cc_fma4=no])
if test $libc_cv_cc_fma4 = yes; then if test $libc_cv_cc_fma4 = yes; then
AC_DEFINE(HAVE_FMA4_SUPPORT) AC_DEFINE(HAVE_FMA4_SUPPORT)
fi fi
LIBC_CONFIG_VAR([have-mfma4], [$libc_cv_cc_fma4])
dnl Check if -mno-vzeroupper works. dnl Check if -mno-vzeroupper works.
AC_CACHE_CHECK(for -mno-vzeroupper support, libc_cv_cc_novzeroupper, [dnl AC_CACHE_CHECK(for -mno-vzeroupper support, libc_cv_cc_novzeroupper, [dnl
@ -45,6 +49,7 @@ LIBC_TRY_CC_OPTION([-mno-vzeroupper],
[libc_cv_cc_novzeroupper=yes], [libc_cv_cc_novzeroupper=yes],
[libc_cv_cc_novzeroupper=no]) [libc_cv_cc_novzeroupper=no])
]) ])
LIBC_CONFIG_VAR([config-cflags-novzeroupper], [$libc_cv_cc_novzeroupper])
dnl It is always possible to access static and hidden symbols in an dnl It is always possible to access static and hidden symbols in an
dnl position independent way. dnl position independent way.