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configure: Enable the -Wwrite-strings flag.

This commit is contained in:
Alexandre Julliard 2006-08-25 12:07:34 +02:00
parent a7447794a5
commit d75cc5aad5
2 changed files with 83 additions and 0 deletions
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75
configure vendored
View File

@ -14690,6 +14690,81 @@ echo "${ECHO_T}$ac_cv_c_gcc_decl_after_statement" >&6; }
EXTRACFLAGS="$EXTRACFLAGS -Wdeclaration-after-statement"
fi
{ echo "$as_me:$LINENO: checking for gcc -Wwrite-strings support" >&5
echo $ECHO_N "checking for gcc -Wwrite-strings support... $ECHO_C" >&6; }
if test "${ac_cv_c_gcc_write_strings+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
ac_wine_try_cflags_saved=$CFLAGS
CFLAGS="$CFLAGS -Wwrite-strings"
cat >conftest.$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 $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ (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_try") 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; } &&
{ ac_try='test -s conftest$ac_exeext'
{ (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_try") 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
ac_cv_c_gcc_write_strings="yes"
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
ac_cv_c_gcc_write_strings="no"
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
CFLAGS=$ac_wine_try_cflags_saved
fi
{ echo "$as_me:$LINENO: result: $ac_cv_c_gcc_write_strings" >&5
echo "${ECHO_T}$ac_cv_c_gcc_write_strings" >&6; }
if test "$ac_cv_c_gcc_write_strings" = "yes"
then
EXTRACFLAGS="$EXTRACFLAGS -Wwrite-strings"
fi
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Wpointer-arith -Werror"
{ echo "$as_me:$LINENO: checking for broken string.h that generates warnings" >&5

8
configure.ac
View File

@ -949,6 +949,14 @@ int main(void) {
EXTRACFLAGS="$EXTRACFLAGS -Wdeclaration-after-statement"
fi
dnl Check for -Wwrite-strings
AC_CACHE_CHECK([for gcc -Wwrite-strings support], ac_cv_c_gcc_write_strings,
[WINE_TRY_CFLAGS([-Wwrite-strings],ac_cv_c_gcc_write_strings="yes", ac_cv_c_gcc_write_strings="no")])
if test "$ac_cv_c_gcc_write_strings" = "yes"
then
EXTRACFLAGS="$EXTRACFLAGS -Wwrite-strings"
fi
dnl Check for noisy string.h
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Wpointer-arith -Werror"