103 lines
3.6 KiB
C++
103 lines
3.6 KiB
C++
// Predefined symbols and macros -*- C++ -*-
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// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
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// Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 2, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING. If not, write to the Free
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// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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// USA.
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// As a special exception, you may use this file as part of a free software
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// library without restriction. Specifically, if other files instantiate
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// templates or use macros or inline functions from this file, or you compile
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// this file and link it with other files to produce an executable, this
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// file does not by itself cause the resulting executable to be covered by
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// the GNU General Public License. This exception does not however
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// invalidate any other reasons why the executable file might be covered by
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// the GNU General Public License.
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#ifndef _CXXCONFIG
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#define _CXXCONFIG 1
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// Pick up any OS-specific definitions.
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#include <bits/os_defines.h>
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// The current version of the C++ library in compressed ISO date format.
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#define __GLIBCXX__ 20050103
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// Allow use of "export template." This is currently not a feature
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// that g++ supports.
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// #define _GLIBCXX_EXPORT_TEMPLATE 1
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// Allow use of the GNU syntax extension, "extern template." This
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// extension is fully documented in the g++ manual, but in a nutshell,
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// it inhibits all implicit instantiations and is used throughout the
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// library to avoid multiple weak definitions for required types that
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// are already explicitly instantiated in the library binary. This
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// substantially reduces the binary size of resulting executables.
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#ifndef _GLIBCXX_EXTERN_TEMPLATE
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# define _GLIBCXX_EXTERN_TEMPLATE 1
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#endif
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// Certain function definitions that are meant to be overridable from
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// user code are decorated with this macro. For some targets, this
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// macro causes these definitions to be weak.
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#ifndef _GLIBCXX_WEAK_DEFINITION
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# define _GLIBCXX_WEAK_DEFINITION
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#endif
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// Debug mode support. Debug mode basic_string is not allowed to be
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// associated with std, because of locale and exception link
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// dependence.
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namespace __gnu_debug_def { }
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namespace __gnu_debug
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{
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using namespace __gnu_debug_def;
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}
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#ifdef _GLIBCXX_DEBUG
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# define _GLIBCXX_STD __gnu_norm
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namespace __gnu_norm
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{
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using namespace std;
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}
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namespace std
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{
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using namespace __gnu_debug_def __attribute__ ((strong));
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}
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#else
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# define _GLIBCXX_STD std
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#endif
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// The remainder of the prewritten config is automatic; all the
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// user hooks are listed above.
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// Create a boolean flag to be used to determine if --fast-math is set.
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#ifdef __FAST_MATH__
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# define _GLIBCXX_FAST_MATH 1
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#else
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# define _GLIBCXX_FAST_MATH 0
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#endif
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// This marks string literals in header files to be extracted for eventual
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// translation. It is primarily used for messages in thrown exceptions; see
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// src/functexcept.cc. We use __N because the more traditional _N is used
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// for something else under certain OSes (see BADNAMES).
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#define __N(msgid) (msgid)
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// End of prewritten config; the discovered settings follow.
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