--- c-decl.c~	2006-01-20 01:48:07.000000000 +0200
+++ c-decl.c	2006-03-05 09:16:23.000000000 +0200
@@ -1213,8 +1213,10 @@
 	      /* If types don't match for a built-in, throw away the
 		 built-in.  No point in calling locate_old_decl here, it
 		 won't print anything.  */
+#ifndef __DJGPP__
 	      warning (0, "conflicting types for built-in function %q+D",
 		       newdecl);
+#endif
 	      return false;
 	    }
 	}