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merge from gcc

ezannoni_pie-20030916-branch
DJ Delorie 23 years ago
parent
902a241b02
commit
60b04ee881
3 changed files with 99 additions and 27 deletions
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  1. 6
      libiberty/ChangeLog
  2. 49
      libiberty/aclocal.m4
  3. 71
      libiberty/configure

6
libiberty/ChangeLog
View File

@ -1,3 +1,9 @@
2003-09-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
PR bootstrap/12100
* aclocal.m4 (AC_LANG_FUNC_LINK_TRY): Define.
* configure: Rebuilt.
2003-08-27 Daniel Jacobowitz <drow@mvista.com>
* aclocal.m4: Include acx.m4 and no-executables.m4.

49
libiberty/aclocal.m4
View File

@ -180,3 +180,52 @@ 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;])])

71
libiberty/configure
View File

@ -923,7 +923,7 @@ ac_abs_top_srcdir=`cd "$ac_dir" && cd $ac_top_srcdir && pwd`
else
echo "$as_me: WARNING: no configuration information is in $ac_dir" >&2
fi
cd "$ac_popdir"
cd $ac_popdir
done
fi
@ -1120,7 +1120,7 @@ _ASBOX
echo "$as_me: caught signal $ac_signal"
echo "$as_me: exit $exit_status"
} >&5
rm -f core *.core &&
rm -f core core.* *.core &&
rm -rf conftest* confdefs* conf$$* $ac_clean_files &&
exit $exit_status
' 0
@ -2486,7 +2486,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
for ac_declaration in \
'' \
''\
'#include <stdlib.h>' \
'extern "C" void std::exit (int) throw (); using std::exit;' \
'extern "C" void std::exit (int); using std::exit;' \
'extern "C" void exit (int) throw ();' \
@ -2500,8 +2501,8 @@ _ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
$ac_declaration
#include <stdlib.h>
$ac_declaration
int
main ()
{
@ -2976,7 +2977,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
( exit $ac_status )
ac_cv_c_bigendian=yes
fi
rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
rm -f core core.* *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
fi
fi
fi
@ -3529,7 +3530,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
( exit $ac_status )
ac_cv_header_stdc=no
fi
rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
rm -f core core.* *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
fi
fi
fi
@ -4220,8 +4221,10 @@ cat >>conftest.$ac_ext <<_ACEOF
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func (); below.
Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
<limits.h> exists even on freestanding compilers. */
#ifdef __STDC__
<limits.h> exists even on freestanding compilers. Under hpux,
including <limits.h> includes <sys/time.h> and causes problems
checking for functions defined therein. */
#if defined (__STDC__) && !defined (_HPUX_SOURCE)
# include <limits.h>
#else
# include <assert.h>
@ -4645,8 +4648,10 @@ cat >>conftest.$ac_ext <<_ACEOF
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func (); below.
Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
<limits.h> exists even on freestanding compilers. */
#ifdef __STDC__
<limits.h> exists even on freestanding compilers. Under hpux,
including <limits.h> includes <sys/time.h> and causes problems
checking for functions defined therein. */
#if defined (__STDC__) && !defined (_HPUX_SOURCE)
# include <limits.h>
#else
# include <assert.h>
@ -4766,8 +4771,10 @@ cat >>conftest.$ac_ext <<_ACEOF
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func (); below.
Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
<limits.h> exists even on freestanding compilers. */
#ifdef __STDC__
<limits.h> exists even on freestanding compilers. Under hpux,
including <limits.h> includes <sys/time.h> and causes problems
checking for functions defined therein. */
#if defined (__STDC__) && !defined (_HPUX_SOURCE)
# include <limits.h>
#else
# include <assert.h>
@ -4886,7 +4893,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
( exit $ac_status )
ac_cv_c_stack_direction=-1
fi
rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
rm -f core core.* *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
fi
fi
echo "$as_me:$LINENO: result: $ac_cv_c_stack_direction" >&5
@ -5065,8 +5072,10 @@ cat >>conftest.$ac_ext <<_ACEOF
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func (); below.
Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
<limits.h> exists even on freestanding compilers. */
#ifdef __STDC__
<limits.h> exists even on freestanding compilers. Under hpux,
including <limits.h> includes <sys/time.h> and causes problems
checking for functions defined therein. */
#if defined (__STDC__) && !defined (_HPUX_SOURCE)
# include <limits.h>
#else
# include <assert.h>
@ -5173,7 +5182,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
( exit $ac_status )
ac_cv_func_fork_works=no
fi
rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
rm -f core core.* *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
fi
fi
echo "$as_me:$LINENO: result: $ac_cv_func_fork_works" >&5
@ -5328,7 +5337,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
( exit $ac_status )
ac_cv_func_vfork_works=no
fi
rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
rm -f core core.* *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
fi
fi
echo "$as_me:$LINENO: result: $ac_cv_func_vfork_works" >&5
@ -5393,8 +5402,10 @@ cat >>conftest.$ac_ext <<_ACEOF
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func (); below.
Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
<limits.h> exists even on freestanding compilers. */
#ifdef __STDC__
<limits.h> exists even on freestanding compilers. Under hpux,
including <limits.h> includes <sys/time.h> and causes problems
checking for functions defined therein. */
#if defined (__STDC__) && !defined (_HPUX_SOURCE)
# include <limits.h>
#else
# include <assert.h>
@ -5486,8 +5497,10 @@ cat >>conftest.$ac_ext <<_ACEOF
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func (); below.
Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
<limits.h> exists even on freestanding compilers. */
#ifdef __STDC__
<limits.h> exists even on freestanding compilers. Under hpux,
including <limits.h> includes <sys/time.h> and causes problems
checking for functions defined therein. */
#if defined (__STDC__) && !defined (_HPUX_SOURCE)
# include <limits.h>
#else
# include <assert.h>
@ -5688,8 +5701,10 @@ cat >>conftest.$ac_ext <<_ACEOF
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func (); below.
Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
<limits.h> exists even on freestanding compilers. */
#ifdef __STDC__
<limits.h> exists even on freestanding compilers. Under hpux,
including <limits.h> includes <sys/time.h> and causes problems
checking for functions defined therein. */
#if defined (__STDC__) && !defined (_HPUX_SOURCE)
# include <limits.h>
#else
# include <assert.h>
@ -6006,8 +6021,10 @@ cat >>conftest.$ac_ext <<_ACEOF
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func (); below.
Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
<limits.h> exists even on freestanding compilers. */
#ifdef __STDC__
<limits.h> exists even on freestanding compilers. Under hpux,
including <limits.h> includes <sys/time.h> and causes problems
checking for functions defined therein. */
#if defined (__STDC__) && !defined (_HPUX_SOURCE)
# include <limits.h>
#else
# include <assert.h>
@ -6233,7 +6250,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
( exit $ac_status )
ac_cv_func_mmap_fixed_mapped=no
fi
rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
rm -f core core.* *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
fi
fi
echo "$as_me:$LINENO: result: $ac_cv_func_mmap_fixed_mapped" >&5
@ -6346,7 +6363,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
( exit $ac_status )
ac_cv_func_strncmp_works=no
fi
rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
rm -f core core.* *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
fi
rm -f core core.* *.core
fi

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