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Patch by Ralf Wildenhues.

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* aclocal.m4 (AC_LANG_FUNC_LINK_TRY(C)): Delete.
	* configure: Regenerate.

From-SVN: r165977
This commit is contained in:
Ralf Wildenhues 2010-10-26 18:29:29 +00:00 committed by Jan Hubicka
parent 534ecb1751
commit 0e0f02ff92
3 changed files with 20 additions and 64 deletions
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5
libiberty/ChangeLog
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@ -1,3 +1,8 @@
2010-10-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
* aclocal.m4 (AC_LANG_FUNC_LINK_TRY(C)): Delete.
* configure: Regenerate.
2010-10-07 Andi Kleen <ak@linux.intel.com>
* configure: Regenerate.

49
libiberty/aclocal.m4 vendored
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@ -172,52 +172,3 @@ AC_DEFINE_UNQUOTED(STACK_DIRECTION, $ac_cv_c_stack_direction,
STACK_DIRECTION < 0 => grows toward lower addresses
STACK_DIRECTION = 0 => direction of growth unknown])
])
# AC_LANG_FUNC_LINK_TRY(C)(FUNCTION)
# ----------------------------------
# Don't include <ctype.h> because on OSF/1 3.0 it includes
# <sys/types.h> which includes <sys/select.h> which contains a
# prototype for select. Similarly for bzero.
#
# This test used to merely assign f=$1 in main(), but that was
# optimized away by HP unbundled cc A.05.36 for ia64 under +O3,
# presumably on the basis that there's no need to do that store if the
# program is about to exit. Conversely, the AIX linker optimizes an
# unused external declaration that initializes f=$1. So this test
# program has both an external initialization of f, and a use of f in
# main that affects the exit status.
#
m4_define([AC_LANG_FUNC_LINK_TRY(C)],
[AC_LANG_PROGRAM(
[/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $1 (); below.
Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
<limits.h> exists even on freestanding compilers. Under hpux,
including <limits.h> includes <sys/time.h> and causes problems
checking for functions defined therein. */
#if defined (__STDC__) && !defined (_HPUX_SOURCE)
# include <limits.h>
#else
# include <assert.h>
#endif
/* Override any gcc2 internal prototype to avoid an error. */
#ifdef __cplusplus
extern "C"
{
#endif
/* We use char because int might match the return type of a gcc2
builtin and then its argument prototype would still apply. */
char $1 ();
/* The GNU C library defines this for functions which it implements
to always fail with ENOSYS. Some functions are actually named
something starting with __ and the normal name is an alias. */
#if defined (__stub_$1) || defined (__stub___$1)
choke me
#else
char (*f) () = $1;
#endif
#ifdef __cplusplus
}
#endif
], [return f != $1;])])

30
libiberty/configure vendored
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@ -1844,41 +1844,41 @@ else
fi
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
/* Define $2 to an innocuous variant, in case <limits.h> declares $2.
For example, HP-UX 11i <limits.h> declares gettimeofday. */
#define $2 innocuous_$2
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $2 (); below.
Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
<limits.h> exists even on freestanding compilers. Under hpux,
including <limits.h> includes <sys/time.h> and causes problems
checking for functions defined therein. */
#if defined (__STDC__) && !defined (_HPUX_SOURCE)
<limits.h> exists even on freestanding compilers. */
#ifdef __STDC__
# include <limits.h>
#else
# include <assert.h>
#endif
/* Override any gcc2 internal prototype to avoid an error. */
#undef $2
/* Override any GCC internal prototype to avoid an error.
Use char because int might match the return type of a GCC
builtin and then its argument prototype would still apply. */
#ifdef __cplusplus
extern "C"
{
#endif
/* We use char because int might match the return type of a gcc2
builtin and then its argument prototype would still apply. */
char $2 ();
/* The GNU C library defines this for functions which it implements
to always fail with ENOSYS. Some functions are actually named
something starting with __ and the normal name is an alias. */
#if defined (__stub_$2) || defined (__stub___$2)
#if defined __stub_$2 || defined __stub___$2
choke me
#else
char (*f) () = $2;
#endif
#ifdef __cplusplus
}
#endif
int
main ()
{
return f != $2;
return $2 ();
;
return 0;
}