diff options
Diffstat (limited to 'gcc-4.4.3/libstdc++-v3/config/os/bsd/darwin/os_defines.h')
-rw-r--r-- | gcc-4.4.3/libstdc++-v3/config/os/bsd/darwin/os_defines.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/gcc-4.4.3/libstdc++-v3/config/os/bsd/darwin/os_defines.h b/gcc-4.4.3/libstdc++-v3/config/os/bsd/darwin/os_defines.h new file mode 100644 index 000000000..ccefeafa7 --- /dev/null +++ b/gcc-4.4.3/libstdc++-v3/config/os/bsd/darwin/os_defines.h @@ -0,0 +1,42 @@ +// Specific definitions for Darwin -*- C++ -*- + +// Copyright (C) 2004, 2009 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library 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. + +// This library 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. + +// 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/>. + + +#ifndef _GLIBCXX_OS_DEFINES +#define _GLIBCXX_OS_DEFINES 1 + +// System-specific #define, typedefs, corrections, etc, go here. This +// file will come before all others. + +/* Darwin has the pthread routines in libSystem, which every program + links to, so there's no need for weak-ness for that. */ +#define _GLIBCXX_GTHREAD_USE_WEAK 0 + +// On Darwin, in order to enable overriding of operator new and delete, +// GCC makes the definition of these functions weak, relies on the +// loader to implement weak semantics properly, and uses +// -flat_namespace to work around the way that it doesn't. +#define _GLIBCXX_WEAK_DEFINITION __attribute__ ((weak)) + +#endif |