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| author | Joseph Myers <joseph@codesourcery.com> | 2012-03-21 16:33:57 +0000 |
|---|---|---|
| committer | Joseph Myers <joseph@codesourcery.com> | 2012-03-21 16:33:57 +0000 |
| commit | 40b601fbb774cd2be2f6cbe7155570340fc475a2 (patch) | |
| tree | 79ec38289fe7e9a56059c8c69e8b212eb218e3f0 /sysdeps/i386/configure.in | |
| parent | 1a4ac776ebc9bb07287f59f63e473db531318dff (diff) | |
| download | glibc-40b601fbb774cd2be2f6cbe7155570340fc475a2.zip glibc-40b601fbb774cd2be2f6cbe7155570340fc475a2.tar.gz glibc-40b601fbb774cd2be2f6cbe7155570340fc475a2.tar.bz2 | |
Use autoconf macro for testing compiler options with empty input.
Diffstat (limited to 'sysdeps/i386/configure.in')
| -rw-r--r-- | sysdeps/i386/configure.in | 48 |
1 files changed, 18 insertions, 30 deletions
diff --git a/sysdeps/i386/configure.in b/sysdeps/i386/configure.in index f769019..7b4879d 100644 --- a/sysdeps/i386/configure.in +++ b/sysdeps/i386/configure.in @@ -40,60 +40,48 @@ fi dnl Check if -msse4 works. AC_CACHE_CHECK(for SSE4 support, libc_cv_cc_sse4, [dnl -if AC_TRY_COMMAND([${CC-cc} -msse4 -xc /dev/null -S -o /dev/null]); then - libc_cv_cc_sse4=yes -else - libc_cv_cc_sse4=no -fi]) +LIBC_TRY_CC_OPTION([-msse4], [libc_cv_cc_sse4=yes], [libc_cv_cc_sse4=no]) +]) if test $libc_cv_cc_sse4 = yes; then AC_DEFINE(HAVE_SSE4_SUPPORT) fi dnl Check if -Wa,-mtune=i686 works. AC_CACHE_CHECK(for assembler -mtune=i686 support, libc_cv_as_i686, [dnl -if AC_TRY_COMMAND([${CC-cc} -Wa,-mtune=i686 -xc /dev/null -S -o /dev/null]); then - libc_cv_as_i686=yes -else - libc_cv_as_i686=no -fi]) +LIBC_TRY_CC_OPTION([-Wa,-mtune=i686], + [libc_cv_as_i686=yes], + [libc_cv_as_i686=no]) +]) dnl Check if -mavx works. AC_CACHE_CHECK(for AVX support, libc_cv_cc_avx, [dnl -if AC_TRY_COMMAND([${CC-cc} -mavx -xc /dev/null -S -o /dev/null]); then - libc_cv_cc_avx=yes -else - libc_cv_cc_avx=no -fi]) +LIBC_TRY_CC_OPTION([-mavx], [libc_cv_cc_avx=yes], [libc_cv_cc_avx=no]) +]) if test $libc_cv_cc_avx = yes; then AC_DEFINE(HAVE_AVX_SUPPORT) fi dnl Check if -msse2avx works. AC_CACHE_CHECK(for AVX encoding of SSE instructions, libc_cv_cc_sse2avx, [dnl -if AC_TRY_COMMAND([${CC-cc} -msse2avx -xc /dev/null -S -o /dev/null]); then - libc_cv_cc_sse2avx=yes -else - libc_cv_cc_sse2avx=no -fi]) +LIBC_TRY_CC_OPTION([-msse2avx], + [libc_cv_cc_sse2avx=yes], + [libc_cv_cc_sse2avx=no]) +]) if test $libc_cv_cc_sse2avx = yes; then AC_DEFINE(HAVE_SSE2AVX_SUPPORT) fi dnl Check if -mfma4 works. AC_CACHE_CHECK(for FMA4 support, libc_cv_cc_fma4, [dnl -if AC_TRY_COMMAND([${CC-cc} -mfma4 -xc /dev/null -S -o /dev/null]); then - libc_cv_cc_fma4=yes -else - libc_cv_cc_fma4=no -fi]) +LIBC_TRY_CC_OPTION([-mfma4], [libc_cv_cc_fma4=yes], [libc_cv_cc_fma4=no]) +]) if test $libc_cv_cc_fma4 = yes; then AC_DEFINE(HAVE_FMA4_SUPPORT) fi dnl Check if -mno-vzeroupper works. AC_CACHE_CHECK(for -mno-vzeroupper support, libc_cv_cc_novzeroupper, [dnl -if AC_TRY_COMMAND([${CC-cc} -mno-vzeroupper -xc /dev/null -S -o /dev/null]); then - libc_cv_cc_novzeroupper=yes -else - libc_cv_cc_novzeroupper=no -fi]) +LIBC_TRY_CC_OPTION([-mno-vzeroupper], + [libc_cv_cc_novzeroupper=yes], + [libc_cv_cc_novzeroupper=no]) +]) |