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Only try to set -mpreferred-stack-boundary on i386. 

Add -Wdeclaration-after-statement warning if supported.
This commit is contained in:
Alexandre Julliard 2005-09-12 10:14:00 +00:00
parent a9a3bc7b14
commit f8cb48b515
2 changed files with 89 additions and 12 deletions
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65
configure vendored
View File

@ -11359,6 +11359,8 @@ _ACEOF
fi
case $host_cpu in
*i[3456789]86*)
echo "$as_me:$LINENO: checking for gcc -mpreferred-stack-boundary=2 support" >&5
echo $ECHO_N "checking for gcc -mpreferred-stack-boundary=2 support... $ECHO_C" >&6
if test "${ac_cv_c_gcc_stack_boundary+set}" = set; then
@ -11419,6 +11421,8 @@ echo "${ECHO_T}$ac_cv_c_gcc_stack_boundary" >&6
then
EXTRACFLAGS="$EXTRACFLAGS -mpreferred-stack-boundary=2"
fi
;;
esac
echo "$as_me:$LINENO: checking for gcc -fno-strict-aliasing support" >&5
echo $ECHO_N "checking for gcc -fno-strict-aliasing support... $ECHO_C" >&6
@ -11542,6 +11546,67 @@ echo "${ECHO_T}$ac_cv_c_gcc_gstabs" >&6
EXTRACFLAGS="$EXTRACFLAGS -gstabs+"
fi
echo "$as_me:$LINENO: checking for gcc -Wdeclaration-after-statement support" >&5
echo $ECHO_N "checking for gcc -Wdeclaration-after-statement support... $ECHO_C" >&6
if test "${ac_cv_c_gcc_decl_after_statement+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
ac_wine_try_cflags_saved=$CFLAGS
CFLAGS="$CFLAGS -Wdeclaration-after-statement"
cat >conftest.$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 { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&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 $ac_status); } &&
{ ac_try='test -z "$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_exeext'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
ac_cv_c_gcc_decl_after_statement="yes"
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
ac_cv_c_gcc_decl_after_statement="no"
fi
rm -f conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
CFLAGS=$ac_wine_try_cflags_saved
fi
echo "$as_me:$LINENO: result: $ac_cv_c_gcc_decl_after_statement" >&5
echo "${ECHO_T}$ac_cv_c_gcc_decl_after_statement" >&6
if test "$ac_cv_c_gcc_decl_after_statement" = "yes"
then
EXTRACFLAGS="$EXTRACFLAGS -Wdeclaration-after-statement"
fi
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Wpointer-arith -Werror"
echo "$as_me:$LINENO: checking for broken string.h that generates warnings" >&5

12
configure.ac
View File

@ -799,6 +799,8 @@ int main(void) {
fi
dnl Check for -mpreferred-stack-boundary
case $host_cpu in
*i[[3456789]]86*)
AC_CACHE_CHECK([for gcc -mpreferred-stack-boundary=2 support], ac_cv_c_gcc_stack_boundary,
[WINE_TRY_CFLAGS([-mpreferred-stack-boundary=2],
ac_cv_c_gcc_stack_boundary="yes",ac_cv_c_gcc_stack_boundary="no")])
@ -806,6 +808,8 @@ int main(void) {
then
EXTRACFLAGS="$EXTRACFLAGS -mpreferred-stack-boundary=2"
fi
;;
esac
dnl Check for -fno-strict-aliasing
AC_CACHE_CHECK([for gcc -fno-strict-aliasing support], ac_cv_c_gcc_no_strict_aliasing,
@ -824,6 +828,14 @@ int main(void) {
EXTRACFLAGS="$EXTRACFLAGS -gstabs+"
fi
dnl Check for -Wdeclaration-after-statement option
AC_CACHE_CHECK([for gcc -Wdeclaration-after-statement support], ac_cv_c_gcc_decl_after_statement,
[WINE_TRY_CFLAGS([-Wdeclaration-after-statement],ac_cv_c_gcc_decl_after_statement="yes", ac_cv_c_gcc_decl_after_statement="no")])
if test "$ac_cv_c_gcc_decl_after_statement" = "yes"
then
EXTRACFLAGS="$EXTRACFLAGS -Wdeclaration-after-statement"
fi
dnl Check for noisy string.h
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Wpointer-arith -Werror"