$NetBSD: patch-ai,v 1.1 2000/06/11 18:45:54 mycroft Exp $

--- gcc/c-common.c.orig	Tue Aug 18 18:49:52 1998
+++ gcc/c-common.c	Sun Jun 11 14:41:38 2000
@@ -1314,7 +1314,8 @@
 
   if (integer_zerop (format_tree))
     {
-      warning ("null format string");
+      if (pedantic)
+	warning ("null format string");
       return;
     }
   if (TREE_CODE (format_tree) != ADDR_EXPR)