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authorMike Frysinger <vapier@gentoo.org>2013-10-30 13:20:52 +1000
committerAllan McRae <allan@archlinux.org>2013-10-30 17:32:08 +1000
commitcb8a6dbd176ee59d61068bed92e2c8d22bd28b13 (patch)
tree9ead2c7bd7a279a0669afe49476dd1da4b3c8da9 /sysdeps/i386/configure.in
parent36a4953a1dbc2b1994c1df0478c1c89a41398dba (diff)
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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.in93
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)