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merge from gcc

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This commit is contained in:
DJ Delorie 2005-05-07 02:00:41 +00:00
parent 61bd574fdd
commit 0093138c53
5 changed files with 110 additions and 93 deletions
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13
libiberty/ChangeLog
View file

@ -1,3 +1,16 @@
2005-05-06 Kelley Cook <kcook@gcc.gnu.org>
* aclocal.m4 (AC_DEFINE_NOAUTOHEADER): Remove.
* configure.ac: Replace any AC_DEFINE_NOAUTOHEADER with AC_DEFINE.
* configure: Regenerate.
2005-05-06 Kelley Cook <kcook@gcc.gnu.org>
* configure.ac: Use AC_C_BIGENDIAN instead of AC_C_BIGENDIAN_CROSS.
Use AC_CHECK_SIZEOF instead of AC_COMPILE_CHECK_SIZEOF.
* aclocal.m4: Don't include accross.m4.
* configure, config.in: Regenerate.
2005-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* fopen_unlocked.c (unlock_std_streams): New.

10
libiberty/aclocal.m4 vendored
View file

@ -1,4 +1,3 @@
sinclude(../config/accross.m4)
sinclude(../config/acx.m4)
sinclude(../config/no-executables.m4)
@ -120,15 +119,6 @@ if test $libiberty_cv_decl_needed_$1 = yes; then
fi
])dnl
# Work around a bug in autoheader. This can go away when we switch to
# autoconf >2.50. The use of define instead of AC_DEFUN is
# deliberate.
define(AC_DEFINE_NOAUTOHEADER,
[cat >> confdefs.h <<\EOF
[#define] $1 ifelse($#, 2, [$2], $#, 3, [$2], 1)
EOF
])
# We always want a C version of alloca() compiled into libiberty,
# because native-compiler support for the real alloca is so !@#$%
# unreliable that GCC has decided to use it only when being compiled

10
libiberty/config.in
View file

@ -1,8 +1,5 @@
/* config.in. Generated from configure.ac by autoheader. */
/* 1234 = LIL_ENDIAN, 4321 = BIGENDIAN */
#undef BYTEORDER
/* Define to one of _getb67, GETB67, getb67 for Cray-2 and Cray-YMP systems.
This function is required for alloca.c support on those systems. */
#undef CRAY_STACKSEG_END
@ -343,10 +340,6 @@
/* Define to 1 if you have the `__fsetlocking' function. */
#undef HAVE___FSETLOCKING
/* Define if the host machine stores words of multi-word integers in
big-endian order. */
#undef HOST_WORDS_BIG_ENDIAN
/* Define if canonicalize_file_name is not declared in system header files. */
#undef NEED_DECLARATION_CANONICALIZE_FILE_NAME
@ -389,7 +382,8 @@
/* Define to an unsigned 64-bit type available in the compiler. */
#undef UNSIGNED_64BIT_TYPE
/* whether byteorder is bigendian */
/* Define to 1 if your processor stores words with the most significant byte
first (like Motorola and SPARC, unlike Intel and VAX). */
#undef WORDS_BIGENDIAN
/* Define to empty if `const' does not conform to ANSI C. */

160
libiberty/configure vendored
View file

@ -3217,8 +3217,7 @@ echo $ECHO_N "checking whether byte ordering is bigendian... $ECHO_C" >&6
if test "${ac_cv_c_bigendian+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
ac_cv_c_bigendian=unknown
# See if sys/param.h defines the BYTE_ORDER macro.
# See if sys/param.h defines the BYTE_ORDER macro.
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
_ACEOF
@ -3227,13 +3226,14 @@ cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
#include <sys/types.h>
#include <sys/param.h>
int
main ()
{
#if !BYTE_ORDER || !BIG_ENDIAN || !LITTLE_ENDIAN
bogus endian macros
#endif
;
return 0;
}
@ -3269,13 +3269,14 @@ cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
#include <sys/types.h>
#include <sys/param.h>
int
main ()
{
#if BYTE_ORDER != BIG_ENDIAN
not big endian
#endif
;
return 0;
}
@ -3314,11 +3315,69 @@ else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
# It does not; compile a test program.
if test "$cross_compiling" = yes; then
# try to guess the endianness by grepping values into an object file
ac_cv_c_bigendian=unknown
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
short ascii_mm[] = { 0x4249, 0x4765, 0x6E44, 0x6961, 0x6E53, 0x7953, 0 };
short ascii_ii[] = { 0x694C, 0x5454, 0x656C, 0x6E45, 0x6944, 0x6E61, 0 };
void _ascii () { char *s = (char *) ascii_mm; s = (char *) ascii_ii; }
short ebcdic_ii[] = { 0x89D3, 0xE3E3, 0x8593, 0x95C5, 0x89C4, 0x9581, 0 };
short ebcdic_mm[] = { 0xC2C9, 0xC785, 0x95C4, 0x8981, 0x95E2, 0xA8E2, 0 };
void _ebcdic () { char *s = (char *) ebcdic_mm; s = (char *) ebcdic_ii; }
int
main ()
{
_ascii (); _ebcdic ();
;
return 0;
}
_ACEOF
rm -f conftest.$ac_objext
if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
(eval $ac_compile) 2>conftest.er1
ac_status=$?
grep -v '^ *+' conftest.er1 >conftest.err
rm -f conftest.er1
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; } &&
{ ac_try='test -s conftest.$ac_objext'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
if grep BIGenDianSyS conftest.$ac_objext >/dev/null ; then
ac_cv_c_bigendian=yes
fi
if grep LiTTleEnDian conftest.$ac_objext >/dev/null ; then
if test "$ac_cv_c_bigendian" = unknown; then
ac_cv_c_bigendian=no
else
# finding both strings is unlikely to happen, but who knows?
ac_cv_c_bigendian=unknown
fi
fi
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
fi
rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
if test $ac_cv_c_bigendian = unknown; then
if test "$cross_compiling" = yes; then
echo $ac_n "cross-compiling... " 2>&6
else
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
@ -3326,7 +3385,9 @@ _ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
main () {
int
main ()
{
/* Are we little or big endian? From Harbison&Steele. */
union
{
@ -3360,67 +3421,26 @@ fi
rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
fi
fi
rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
fi
echo "$as_me:$LINENO: result: $ac_cv_c_bigendian" >&5
echo "${ECHO_T}$ac_cv_c_bigendian" >&6
if test $ac_cv_c_bigendian = unknown; then
echo "$as_me:$LINENO: checking to probe for byte ordering" >&5
echo $ECHO_N "checking to probe for byte ordering... $ECHO_C" >&6
cat >conftest.c <<EOF
short ascii_mm[] = { 0x4249, 0x4765, 0x6E44, 0x6961, 0x6E53, 0x7953, 0 };
short ascii_ii[] = { 0x694C, 0x5454, 0x656C, 0x6E45, 0x6944, 0x6E61, 0 };
void _ascii() { char* s = (char*) ascii_mm; s = (char*) ascii_ii; }
short ebcdic_ii[] = { 0x89D3, 0xE3E3, 0x8593, 0x95C5, 0x89C4, 0x9581, 0 };
short ebcdic_mm[] = { 0xC2C9, 0xC785, 0x95C4, 0x8981, 0x95E2, 0xA8E2, 0 };
void _ebcdic() { char* s = (char*) ebcdic_mm; s = (char*) ebcdic_ii; }
int main() { _ascii (); _ebcdic (); return 0; }
EOF
if test -f conftest.c ; then
if ${CC-cc} ${CFLAGS} -c conftest.c -o conftest.o && test -f conftest.o ; then
if test `grep -l BIGenDianSyS conftest.o` ; then
echo $ac_n ' big endian probe OK, ' 1>&6
ac_cv_c_bigendian=yes
fi
if test `grep -l LiTTleEnDian conftest.o` ; then
echo $ac_n ' little endian probe OK, ' 1>&6
if test $ac_cv_c_bigendian = yes ; then
ac_cv_c_bigendian=unknown;
else
ac_cv_c_bigendian=no
fi
fi
echo $ac_n 'guessing bigendian ... ' >&6
fi
fi
echo "$as_me:$LINENO: result: $ac_cv_c_bigendian" >&5
echo "${ECHO_T}$ac_cv_c_bigendian" >&6
fi
if test $ac_cv_c_bigendian = yes; then
case $ac_cv_c_bigendian in
yes)
cat >>confdefs.h <<\_ACEOF
#define WORDS_BIGENDIAN 1
_ACEOF
cat >>confdefs.h <<\_ACEOF
#define HOST_WORDS_BIG_ENDIAN 1
_ACEOF
BYTEORDER=4321
else
BYTEORDER=1234
fi
cat >>confdefs.h <<_ACEOF
#define BYTEORDER $BYTEORDER
_ACEOF
if test $ac_cv_c_bigendian = unknown; then
{ { echo "$as_me:$LINENO: error: unknown endianess - sorry, please pre-set ac_cv_c_bigendian" >&5
echo "$as_me: error: unknown endianess - sorry, please pre-set ac_cv_c_bigendian" >&2;}
{ (exit 1); exit 1; }; }
fi
;;
no)
;;
*)
{ { echo "$as_me:$LINENO: error: unknown endianness
presetting ac_cv_c_bigendian=no (or yes) will help" >&5
echo "$as_me: error: unknown endianness
presetting ac_cv_c_bigendian=no (or yes) will help" >&2;}
{ (exit 1); exit 1; }; } ;;
esac
@ -5384,9 +5404,9 @@ _ACEOF
# dont have to check them here.
# Of the functions in $checkfuncs, newlib only has strerror.
cat >> confdefs.h <<\EOF
cat >>confdefs.h <<\_ACEOF
#define HAVE_STRERROR 1
EOF
_ACEOF
setobjs=yes
@ -5428,13 +5448,13 @@ fi
case "${host}" in
*-*-cygwin* | *-*-mingw*)
cat >> confdefs.h <<\EOF
cat >>confdefs.h <<\_ACEOF
#define HAVE_SYS_ERRLIST 1
EOF
_ACEOF
cat >> confdefs.h <<\EOF
cat >>confdefs.h <<\_ACEOF
#define HAVE_SYS_NERR 1
EOF
_ACEOF
;;
esac
@ -5546,9 +5566,9 @@ _ACEOF
# don't have to check them here.
# Of the functions in $checkfuncs, VxWorks only has strerror.
cat >> confdefs.h <<\EOF
cat >>confdefs.h <<\_ACEOF
#define HAVE_STRERROR 1
EOF
_ACEOF
setobjs=yes

10
libiberty/configure.ac
View file

@ -130,7 +130,7 @@ AC_SUBST(OUTPUT_OPTION)
AC_C_CONST
AC_C_INLINE
AC_C_BIGENDIAN_CROSS
AC_C_BIGENDIAN
dnl When we start using libtool:
dnl Default to a non shared library. This may be overridden by the
@ -328,7 +328,7 @@ if test -n "${with_target_subdir}"; then
# dont have to check them here.
# Of the functions in $checkfuncs, newlib only has strerror.
AC_DEFINE_NOAUTOHEADER(HAVE_STRERROR)
AC_DEFINE(HAVE_STRERROR)
setobjs=yes
@ -367,8 +367,8 @@ AC_SUBST(target_header_dir)
case "${host}" in
*-*-cygwin* | *-*-mingw*)
AC_DEFINE_NOAUTOHEADER(HAVE_SYS_ERRLIST)
AC_DEFINE_NOAUTOHEADER(HAVE_SYS_NERR)
AC_DEFINE(HAVE_SYS_ERRLIST)
AC_DEFINE(HAVE_SYS_NERR)
;;
esac
@ -406,7 +406,7 @@ if test -z "${setobjs}"; then
# don't have to check them here.
# Of the functions in $checkfuncs, VxWorks only has strerror.
AC_DEFINE_NOAUTOHEADER(HAVE_STRERROR)
AC_DEFINE(HAVE_STRERROR)
setobjs=yes
;;