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author | Mike Frysinger <vapier@gentoo.org> | 2013-10-30 13:20:52 +1000 |
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committer | Allan McRae <allan@archlinux.org> | 2013-10-30 17:32:08 +1000 |
commit | cb8a6dbd176ee59d61068bed92e2c8d22bd28b13 (patch) | |
tree | 9ead2c7bd7a279a0669afe49476dd1da4b3c8da9 /sysdeps/i386/configure.in | |
parent | 36a4953a1dbc2b1994c1df0478c1c89a41398dba (diff) | |
download | glibc-cb8a6dbd176ee59d61068bed92e2c8d22bd28b13.tar.gz glibc-cb8a6dbd176ee59d61068bed92e2c8d22bd28b13.tar.xz glibc-cb8a6dbd176ee59d61068bed92e2c8d22bd28b13.zip |
rename configure.in to configure.ac
Autoconf has been deprecating configure.in for quite a long time. Rename all our configure.in and preconfigure.in files to .ac. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'sysdeps/i386/configure.in')
-rw-r--r-- | sysdeps/i386/configure.in | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/sysdeps/i386/configure.in b/sysdeps/i386/configure.in deleted file mode 100644 index 96ab7b0f5a..0000000000 --- a/sysdeps/i386/configure.in +++ /dev/null @@ -1,93 +0,0 @@ -GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory. -# Local configure fragment for sysdeps/i386. - -# We no longer support i386 since it lacks the atomic instructions -# required to implement NPTL threading. -if test "$config_machine" = i386; then - AC_MSG_ERROR([ -*** ERROR: Support for i386 is deprecated. -*** Please use host i786, i686, i585 or i486. -*** For example: /src/glibc/configure --host=i686-pc-linux-gnu ..."]) -fi - -# The GNU C Library can't be built for i386. There are several reasons for -# this restriction. The primary reason is that i386 lacks the atomic -# operations required to support the current NPTL implementation. While it is -# possible that such atomic operations could be emulated in the kernel to date -# no such work has been done to enable this. Even with NPTL disabled you still -# have no atomic.h implementation. Given the declining use of i386 we disable -# support for building with `-march=i386' or `-mcpu=i386.' We don't explicitly -# check for i386, instead we make sure the compiler has support for inlining -# the builtin __sync_val_compare_and_swap. If it does then we should have no -# problem building for i386. -LIBC_COMPILER_BUILTIN_INLINED( - [__sync_val_compare_and_swap], - [int a, b, c; __sync_val_compare_and_swap (&a, b, c);], - [-O0], - [libc_cv_unsupported_i386=no], - [AC_MSG_ERROR([ -*** Building with -march=i386/-mcpu=i386 is not supported. -*** Please use host i786, i686, i586, or i486. -*** For example: /source/glibc/configure CFLAGS='-O2 -march=i686' ...])]) - -AC_CHECK_HEADER([cpuid.h], , - [AC_MSG_ERROR([gcc must provide the <cpuid.h> header])], - [/* No default includes. */]) - -dnl Check if -msse4 works. -AC_CACHE_CHECK(for SSE4 support, libc_cv_cc_sse4, [dnl -LIBC_TRY_CC_OPTION([-msse4], [libc_cv_cc_sse4=yes], [libc_cv_cc_sse4=no]) -]) -if test $libc_cv_cc_sse4 = yes; then - AC_DEFINE(HAVE_SSE4_SUPPORT) -fi -LIBC_CONFIG_VAR([config-cflags-sse4], [$libc_cv_cc_sse4]) - -dnl Check if -Wa,-mtune=i686 works. -AC_CACHE_CHECK(for assembler -mtune=i686 support, libc_cv_as_i686, [dnl -LIBC_TRY_CC_OPTION([-Wa,-mtune=i686], - [libc_cv_as_i686=yes], - [libc_cv_as_i686=no]) -]) -LIBC_CONFIG_VAR([config-asflags-i686], [$libc_cv_as_i686]) - -dnl Check if -mavx works. -AC_CACHE_CHECK(for AVX support, libc_cv_cc_avx, [dnl -LIBC_TRY_CC_OPTION([-mavx], [libc_cv_cc_avx=yes], [libc_cv_cc_avx=no]) -]) -if test $libc_cv_cc_avx = yes; then - AC_DEFINE(HAVE_AVX_SUPPORT) -fi -LIBC_CONFIG_VAR([config-cflags-avx], [$libc_cv_cc_avx]) - -dnl Check if -msse2avx works. -AC_CACHE_CHECK(for AVX encoding of SSE instructions, libc_cv_cc_sse2avx, [dnl -LIBC_TRY_CC_OPTION([-msse2avx], - [libc_cv_cc_sse2avx=yes], - [libc_cv_cc_sse2avx=no]) -]) -if test $libc_cv_cc_sse2avx = yes; then - AC_DEFINE(HAVE_SSE2AVX_SUPPORT) -fi -LIBC_CONFIG_VAR([config-cflags-sse2avx], [$libc_cv_cc_sse2avx]) - -dnl Check if -mfma4 works. -AC_CACHE_CHECK(for FMA4 support, libc_cv_cc_fma4, [dnl -LIBC_TRY_CC_OPTION([-mfma4], [libc_cv_cc_fma4=yes], [libc_cv_cc_fma4=no]) -]) -if test $libc_cv_cc_fma4 = yes; then - AC_DEFINE(HAVE_FMA4_SUPPORT) -fi -LIBC_CONFIG_VAR([have-mfma4], [$libc_cv_cc_fma4]) - -dnl Check if -mno-vzeroupper works. -AC_CACHE_CHECK(for -mno-vzeroupper support, libc_cv_cc_novzeroupper, [dnl -LIBC_TRY_CC_OPTION([-mno-vzeroupper], - [libc_cv_cc_novzeroupper=yes], - [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 position independent way. -AC_DEFINE(PI_STATIC_AND_HIDDEN) |