diff --git a/configure b/configure
index f7d7fba115..bb3d9d43d4 100755
--- a/configure
+++ b/configure
@@ -7394,11 +7394,13 @@ CXXFLAGS=" $CFLAGS -D__STDC_LIMIT_MACROS"
 cat > $TMPC << EOF
 int main() { return 0; }
 EOF
+if test "$cc_vendor" = "gnu" ; then
 if cc_check -Wdeclaration-after-statement ; then
   CFLAGS="-Wdeclaration-after-statement $CFLAGS"
 fi
 cc_check -Wno-pointer-sign && CFLAGS="-Wno-pointer-sign $CFLAGS"
 cc_check -Wdisabled-optimization && CFLAGS="-Wdisabled-optimization $CFLAGS"
+fi
 
 
 #this must be the last test to be performed or the ones following it will likely fail