--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/config/darwin10.h	Fri Feb 12 23:39:51 2010 +0900
@@ -0,0 +1,30 @@
+/* Target definitions for Darwin (Mac OS X) systems.
+   Copyright (C) 2009 Free Software Foundation, Inc.
+   Contributed by Jack Howarth <howarth@bromo.med.uc.edu>.
+
+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/>.  */
+
+/* Fix PR41260 by passing -no_compact_unwind on darwin10 and later until
+unwinder in libSystem is fixed to digest new epilog unwinding notes. */
+
+#undef LIB_SPEC
+#define LIB_SPEC "%{!static:-no_compact_unwind -lSystem}"
+
+/* Unwind labels are no longer required in darwin10.  */
+
+#undef TARGET_ASM_EMIT_UNWIND_LABEL
+#define TARGET_ASM_EMIT_UNWIND_LABEL default_emit_unwind_label