Index: gcc/config.gcc
===================================================================
--- gcc/config.gcc	(revision 169317)
+++ gcc/config.gcc	(working copy)
@@ -561,6 +561,9 @@ case ${target} in
   case $target in
     *linux*)
       extra_options="$extra_options linux.opt";;
+    *-*-gnu*)
+      tm_defines="$tm_defines SINGLE_LIBC"
+      extra_options="$extra_options gnu.opt";;
     *)
       tm_defines="$tm_defines SINGLE_LIBC";;
   esac
Index: gcc/config/gnu.opt
===================================================================
--- gcc/config/gnu.opt	(revision 0)
+++ gcc/config/gnu.opt	(revision 0)
@@ -0,0 +1,30 @@
+; GNU options, other than general GNU-userspace ones.
+
+; Copyright (C) 2011
+; 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/>.
+
+; See the GCC internals manual (options.texi) for a description of
+; this file's format.
+
+; Please try to keep this file in ASCII collating order.
+
+bsd
+Driver
+
+; This comment is to ensure we retain the blank line above.