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-rw-r--r--m4/attributes.m42
1 files changed, 1 insertions, 1 deletions
diff --git a/m4/attributes.m4 b/m4/attributes.m4
index aa53ef2380..7bd5ad8ef6 100644
--- a/m4/attributes.m4
+++ b/m4/attributes.m4
@@ -42,7 +42,7 @@ AC_DEFUN([CC_CHECK_FLAG_APPEND], [
AS_TR_SH([cc_cv_$2_$3]),
[eval "AS_TR_SH([cc_save_$2])='${$2}'"
eval "AS_TR_SH([$2])='-Werror $3'"
- AC_LINK_IFELSE([AC_LANG_SOURCE([int a = 0; int main(void) { return a; } ])],
+ AC_LINK_IFELSE([AC_LANG_SOURCE([int main(void) { return 0; } ])],
[eval "AS_TR_SH([cc_cv_$2_$3])='yes'"],
[eval "AS_TR_SH([cc_cv_$2_$3])='no'"])
eval "AS_TR_SH([$2])='$cc_save_$2'"])