Merge pull request #2541 from mgorny/append-flags-fix

build-sys: Perform flag tests in context of existing flags
2016-02-07 09:33:49 -05:00
parent d8889a887b 4c79662e25
commit dcd6ecf1e7
1 changed files with 1 additions and 1 deletions
@@ -43,7 +43,7 @@ AC_DEFUN([CC_CHECK_FLAG_APPEND], [
  AC_CACHE_CHECK([if $CC supports flag $3 in envvar $2],
                 AS_TR_SH([cc_cv_$2_$3]),
          [eval "AS_TR_SH([cc_save_$2])='${$2}'"
-           eval "AS_TR_SH([$2])='-Werror `echo "$3" | sed 's/^-Wno-/-W/'`'"
+           eval "AS_TR_SH([$2])='${cc_save_$2} -Werror `echo "$3" | sed 's/^-Wno-/-W/'`'"
           AC_LINK_IFELSE([AC_LANG_SOURCE(ifelse([$4], [],
                                                 [int main(void) { return 0; } ],
                                                 [$4]))],