On 24 Nov 2011, at 19:51, Mike Stump wrote:

On Nov 23, 2011, at 2:02 AM, Iain Sandoe <develo...@sandoe-acoustics.co.uk > wrote:
the solution is to require the library to be present (no problem, since the crts are only fired up for -fgnu-tm) and to remove the dummy funcs from the crts,
OK for trunk?

Ok.

I also applied the attached (comment text only) changes which correct two typos in comments and use the correct (runtime library) license wording.
Iain

Index: libgcc/config/darwin-crt-tm.c
===================================================================
--- libgcc/config/darwin-crt-tm.c       (revision 181764)
+++ libgcc/config/darwin-crt-tm.c       (revision 181765)
@@ -1,21 +1,26 @@
-/* Provide the runtime intrastructure the transactional memory lib.
+/* Provide the runtime infrastructure for the transactional memory lib.
    Copyright (C) 2011 Free Software Foundation, Inc.
    Contributed by Iain Sandoe <ia...@gcc.gnu.org>
 
    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 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.
+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
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 <http://www.gnu.org/licenses/>.  */
 
 #include <mach-o/dyld.h>

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