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-rw-r--r--m4/curl-compilers.m45
1 files changed, 5 insertions, 0 deletions
diff --git a/m4/curl-compilers.m4 b/m4/curl-compilers.m4
index 7d53953c9..9efe2ae23 100644
--- a/m4/curl-compilers.m4
+++ b/m4/curl-compilers.m4
@@ -892,6 +892,11 @@ AC_DEFUN([CURL_SET_COMPILER_WARNING_OPTS], [
tmp_CFLAGS="$tmp_CFLAGS -Wshift-sign-overflow"
fi
#
+ dnl Only clang 3.2 or later
+ if test "$compiler_num" -ge "302"; then
+ tmp_CFLAGS="$tmp_CFLAGS -Wmissing-variable-declarations"
+ fi
+ #
dnl Only clang 3.6 or later
if test "$compiler_num" -ge "306"; then
tmp_CFLAGS="$tmp_CFLAGS -Wdouble-promotion"