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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 9efe2ae23..a1801df97 100644
--- a/m4/curl-compilers.m4
+++ b/m4/curl-compilers.m4
@@ -901,6 +901,11 @@ AC_DEFUN([CURL_SET_COMPILER_WARNING_OPTS], [
if test "$compiler_num" -ge "306"; then
tmp_CFLAGS="$tmp_CFLAGS -Wdouble-promotion"
fi
+ #
+ dnl Only clang 3.9 or later
+ if test "$compiler_num" -ge "309"; then
+ tmp_CFLAGS="$tmp_CFLAGS -Wcomma"
+ fi
fi
;;
#