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re PR middle-end/41260 (major regressions on *-apple-darwin10 at -m64 caused by r147995)

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PR middle-end/41260
* gcc/config.gcc: Use darwin9.h and darwin10.h on darwin10 and later.
* gcc/config/darwin10.h: Add file to pass -no_compact_unwind on
LIB_SPEC for darwin10 and later since it always uses the unwinder in
libSystem which is derived from the gcc 4.2.1 unwinder.

From-SVN: r151960
This commit is contained in:
Jack Howarth 2009-09-22 02:28:19 +00:00 • committed by Peter O'Gorman
parent e0fd74691d
commit c9c80434b6
3 changed files with 37 additions and 1 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2009-09-22 Jack Howarth <howarth@bromo.med.uc.edu>
PR middle-end/41260
* gcc/config.gcc: Use darwin9.h and darwin10.h on darwin10 and later.
* gcc/config/darwin10.h: Add file to pass -no_compact_unwind on
LIB_SPEC for darwin10 and later since it always uses the unwinder in
libSystem which is derived from the gcc 4.2.1 unwinder.
2009-09-22 Dave Korn <dave.korn.cygwin@gmail.com>
PR middle-end/41357

5
gcc/config.gcc
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@ -400,9 +400,12 @@ case ${target} in
*-*-darwin*)
tm_file="${tm_file} darwin.h"
case ${target} in
*-*-darwin[912]*)
*-*-darwin9*)
tm_file="${tm_file} darwin9.h"
;;
*-*-darwin[12][0-9]*)
tm_file="${tm_file} darwin9.h darwin10.h"
;;
esac
tm_file="${tm_file} ${cpu_type}/darwin.h"
tm_p_file="${tm_p_file} darwin-protos.h"

25
gcc/config/darwin10.h Normal file
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@ -0,0 +1,25 @@
/* Target definitions for Darwin (Mac OS X) systems.
Copyright (C) 2006, 2007 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}"