From b9146087cb069e6e6ea76d63008a8fdb8feef476 Mon Sep 17 00:00:00 2001
From: bonzini <bonzini@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Thu, 27 Mar 2008 09:46:19 +0000
Subject: config: 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>

	* extensions.m4: New.

gcc:
2008-03-27  Paolo Bonzini  <bonzini@gnu.org>

	* configure.ac: Replace custom __GNU_SOURCE test with
	AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
	* aclocal.m4: Regenerate.
	* configure: Regenerate.
	* config.in: Regenerate.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@133635 138bc75d-0d04-0410-961f-82ee72b054a4
---
 gcc/configure.ac | 15 +--------------
 1 file changed, 1 insertion(+), 14 deletions(-)

(limited to 'gcc/configure.ac')

diff --git a/gcc/configure.ac b/gcc/configure.ac
index a0351bd40a6..10e6a9eca58 100644
--- a/gcc/configure.ac
+++ b/gcc/configure.ac
@@ -297,6 +297,7 @@ AC_SUBST(CFLAGS)
 # Check C compiler features
 # -------------------------
 
+AC_USE_SYSTEM_EXTENSIONS
 AC_PROG_CPP
 AC_C_INLINE
 
@@ -896,20 +897,6 @@ fi
 # Checks for C headers
 # --------------------
 
-AC_MSG_CHECKING(for GNU C library)
-AC_CACHE_VAL(gcc_cv_glibc,
-[AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
-  [[#include <features.h>]], [[
-#if ! (defined __GLIBC__ || defined __GNU_LIBRARY__)
-#error Not a GNU C library system
-#endif]])],
-  [gcc_cv_glibc=yes],
-  [gcc_cv_glibc=no])])
-AC_MSG_RESULT($gcc_cv_glibc)
-if test $gcc_cv_glibc = yes; then
-  AC_DEFINE(_GNU_SOURCE, 1, [Always define this when using the GNU C Library])
-fi
-
 # Need to reject headers which give warnings, so that the -Werror bootstrap
 # works later. *sigh*  This needs to come before all header checks.
 AC_PROG_CPP_WERROR
-- 
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