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gcc better don't use a signed type for size_t

This commit is contained in:
Ulrich Drepper 2012-01-08 07:44:18 -05:00
parent 51a1d39ce3
commit 8720d06638
3 changed files with 2 additions and 42 deletions
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2
ChangeLog
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@ -1,6 +1,8 @@
2012-01-08 Ulrich Drepper <drepper@gmail.com> 2012-01-08 Ulrich Drepper <drepper@gmail.com>
* configure.in: Remove last remnants of RANLIB. * configure.in: Remove last remnants of RANLIB.
No need to check for signed size_t anymore.
* aclocal.m4: Likewise. * aclocal.m4: Likewise.
* wcsmbs/mbrtoc16.c: Implement using towc function. * wcsmbs/mbrtoc16.c: Implement using towc function.

24
configure vendored
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@ -5634,30 +5634,6 @@ fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for signed size_t type" >&5
$as_echo_n "checking for signed size_t type... " >&6; }
if ${libc_cv_signed_size_t+:} false; then :
$as_echo_n "(cached) " >&6
else
echo '#include <stddef.h>
FOOBAR __SIZE_TYPE__ FOOBAR' > conftest.c
if eval "$ac_cpp conftest.c 2>/dev/null" \
| grep '^FOOBAR.*unsigned.*FOOBAR$' >/dev/null; then
libc_cv_signed_size_t=no
else
libc_cv_signed_size_t=yes
fi
rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_signed_size_t" >&5
$as_echo "$libc_cv_signed_size_t" >&6; }
if test $libc_cv_signed_size_t = yes; then
cat >> confdefs.h <<\EOF
#undef __SIZE_TYPE__
#define __SIZE_TYPE__ unsigned
EOF
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for libc-friendly stddef.h" >&5 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for libc-friendly stddef.h" >&5
$as_echo_n "checking for libc-friendly stddef.h... " >&6; } $as_echo_n "checking for libc-friendly stddef.h... " >&6; }
if ${libc_cv_friendly_stddef+:} false; then : if ${libc_cv_friendly_stddef+:} false; then :

18
configure.in
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@ -1096,24 +1096,6 @@ AC_PATH_PROG(INSTALL_INFO, install-info, no,
$PATH:/usr/local/bin:/usr/local/sbin:/usr/bin:/usr/sbin:/bin:/sbin) $PATH:/usr/local/bin:/usr/local/sbin:/usr/bin:/usr/sbin:/bin:/sbin)
AC_PATH_PROG(BISON, bison, no, $PATH:/usr/local/bin:/usr/bin:/bin) AC_PATH_PROG(BISON, bison, no, $PATH:/usr/local/bin:/usr/bin:/bin)
AC_CACHE_CHECK(for signed size_t type, libc_cv_signed_size_t, [dnl
echo '#include <stddef.h>
FOOBAR __SIZE_TYPE__ FOOBAR' > conftest.c
if eval "$ac_cpp conftest.c 2>/dev/null" \
| grep '^FOOBAR.*unsigned.*FOOBAR$' >/dev/null; then
libc_cv_signed_size_t=no
else
libc_cv_signed_size_t=yes
fi
rm -f conftest*])
if test $libc_cv_signed_size_t = yes; then
dnl Do this by hand instead of AC_DEFINE so can add #undef to avoid warnings.
cat >> confdefs.h <<\EOF
#undef __SIZE_TYPE__
#define __SIZE_TYPE__ unsigned
EOF
fi
AC_CACHE_CHECK(for libc-friendly stddef.h, libc_cv_friendly_stddef, [dnl AC_CACHE_CHECK(for libc-friendly stddef.h, libc_cv_friendly_stddef, [dnl
AC_TRY_COMPILE(dnl AC_TRY_COMPILE(dnl
[#define __need_size_t [#define __need_size_t