configure: Use GCC's -Wtype-limits if possible.

This commit is contained in:
Gerald Pfeifer 2008-01-28 01:28:59 +01:00 committed by Alexandre Julliard
parent 8b7039d894
commit 701ef1d882
2 changed files with 59 additions and 0 deletions

58
configure vendored
View File

@ -16077,6 +16077,64 @@ if test $ac_cv_cflags__Wwrite_strings = yes; then
EXTRACFLAGS="$EXTRACFLAGS -Wwrite-strings"
fi
{ echo "$as_me:$LINENO: checking whether the compiler supports -Wtype-limits" >&5
echo $ECHO_N "checking whether the compiler supports -Wtype-limits... $ECHO_C" >&6; }
if test "${ac_cv_cflags__Wtype_limits+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
ac_wine_try_cflags_saved=$CFLAGS
CFLAGS="$CFLAGS -Wtype-limits"
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
int
main ()
{
;
return 0;
}
_ACEOF
rm -f conftest.$ac_objext conftest$ac_exeext
if { (ac_try="$ac_link"
case "(($ac_try" in
*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
*) ac_try_echo=$ac_try;;
esac
eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
(eval "$ac_link") 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 $ac_status); } && {
test -z "$ac_c_werror_flag" ||
test ! -s conftest.err
} && test -s conftest$ac_exeext &&
$as_test_x conftest$ac_exeext; then
ac_cv_cflags__Wtype_limits=yes
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
ac_cv_cflags__Wtype_limits=no
fi
rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
conftest$ac_exeext conftest.$ac_ext
CFLAGS=$ac_wine_try_cflags_saved
fi
{ echo "$as_me:$LINENO: result: $ac_cv_cflags__Wtype_limits" >&5
echo "${ECHO_T}$ac_cv_cflags__Wtype_limits" >&6; }
if test $ac_cv_cflags__Wtype_limits = yes; then
EXTRACFLAGS="$EXTRACFLAGS -Wtype-limits"
fi
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Wpointer-arith -Werror"

View File

@ -1211,6 +1211,7 @@ then
WINE_TRY_CFLAGS([-fno-strict-aliasing])
WINE_TRY_CFLAGS([-Wdeclaration-after-statement])
WINE_TRY_CFLAGS([-Wwrite-strings])
WINE_TRY_CFLAGS([-Wtype-limits])
dnl Check for noisy string.h
saved_CFLAGS="$CFLAGS"