--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/opts-diagnostic.h	Sun Aug 21 07:07:55 2011 +0900
@@ -0,0 +1,25 @@
+/* Command line option handling.  Interactions with diagnostics code.
+   Copyright (C) 2010 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+#ifndef GCC_OPTS_DIAGNOSTIC_H
+#define GCC_OPTS_DIAGNOSTIC_H
+
+extern char *option_name (diagnostic_context *context, int option_index,
+			  diagnostic_t orig_diag_kind, diagnostic_t diag_kind);
+#endif