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configure.in: Define _GNU_SOURCE only when using the GNU C Library.

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* configure.in: Define _GNU_SOURCE only when using the GNU C
	Library.
        * configure: Regenerated.
        * config.in: Regenerated.

From-SVN: r36485
This commit is contained in:
Andreas Jaeger 2000-09-18 10:20:18 +02:00 committed by Andreas Jaeger
parent b32aa13809
commit 4070d8853d
4 changed files with 261 additions and 204 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2000-09-18 Andreas Jaeger <aj@suse.de>
* configure.in: Define _GNU_SOURCE only when using the GNU C
Library.
* configure: Regenerated.
* config.in: Regenerated.
2000-09-17 Mark Mitchell <mark@codesourcery.com> 2000-09-17 Mark Mitchell <mark@codesourcery.com>
* cppinit.c (cpp_init): Don't use ANSI prototypes. * cppinit.c (cpp_init): Don't use ANSI prototypes.

3
gcc/config.in
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@ -328,6 +328,9 @@
character sets for source code. */ character sets for source code. */
#undef MULTIBYTE_CHARS #undef MULTIBYTE_CHARS
/* Always define this when using the GNU C Library */
#undef _GNU_SOURCE
/* Always define this */ /* Always define this */
#undef _GNU_SOURCE #undef _GNU_SOURCE

440
gcc/configure vendored
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15
gcc/configure.in
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@ -395,8 +395,19 @@ else
AC_MSG_RESULT(no) AC_MSG_RESULT(no)
fi fi
# Define _GNU_SOURCE, since this is a GNU program. AC_MSG_CHECKING(for GNU C library)
AC_DEFINE(_GNU_SOURCE, 1, [Always define this]) AC_CACHE_VAL(gcc_cv_glibc,
[AC_TRY_COMPILE(
[#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
AC_C_INLINE AC_C_INLINE