c++config revision 132720
197403Sobrien// Predefined symbols and macros -*- C++ -*- 297403Sobrien 3132720Skan// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 4117397Skan// Free Software Foundation, Inc. 597403Sobrien// 697403Sobrien// This file is part of the GNU ISO C++ Library. This library is free 797403Sobrien// software; you can redistribute it and/or modify it under the 897403Sobrien// terms of the GNU General Public License as published by the 997403Sobrien// Free Software Foundation; either version 2, or (at your option) 1097403Sobrien// any later version. 1197403Sobrien 1297403Sobrien// This library is distributed in the hope that it will be useful, 1397403Sobrien// but WITHOUT ANY WARRANTY; without even the implied warranty of 1497403Sobrien// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 1597403Sobrien// GNU General Public License for more details. 1697403Sobrien 1797403Sobrien// You should have received a copy of the GNU General Public License along 1897403Sobrien// with this library; see the file COPYING. If not, write to the Free 1997403Sobrien// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, 2097403Sobrien// USA. 2197403Sobrien 2297403Sobrien// As a special exception, you may use this file as part of a free software 2397403Sobrien// library without restriction. Specifically, if other files instantiate 2497403Sobrien// templates or use macros or inline functions from this file, or you compile 2597403Sobrien// this file and link it with other files to produce an executable, this 2697403Sobrien// file does not by itself cause the resulting executable to be covered by 2797403Sobrien// the GNU General Public License. This exception does not however 2897403Sobrien// invalidate any other reasons why the executable file might be covered by 2997403Sobrien// the GNU General Public License. 3097403Sobrien 31132720Skan#ifndef _CXXCONFIG 32132720Skan#define _CXXCONFIG 1 3397403Sobrien 3497403Sobrien// Pick up any OS-specific definitions. 3597403Sobrien#include <bits/os_defines.h> 3697403Sobrien 3797403Sobrien// The current version of the C++ library in compressed ISO date format. 38132720Skan#define __GLIBCXX__ 20040728 3997403Sobrien 40132720Skan// Allow use of "export template." This is currently not a feature 41132720Skan// that g++ supports. 42132720Skan// #define _GLIBCXX_EXPORT_TEMPLATE 1 4397403Sobrien 44117397Skan// Allow use of the GNU syntax extension, "extern template." This 45117397Skan// extension is fully documented in the g++ manual, but in a nutshell, 46117397Skan// it inhibits all implicit instantiations and is used throughout the 47117397Skan// library to avoid multiple weak definitions for required types that 48117397Skan// are already explicitly instantiated in the library binary. This 49117397Skan// substantially reduces the binary size of resulting executables. 50132720Skan#ifndef _GLIBCXX_EXTERN_TEMPLATE 51132720Skan# define _GLIBCXX_EXTERN_TEMPLATE 1 52117397Skan#endif 53117397Skan 54132720Skan// Debug mode support. Debug mode basic_string is not allowed to be 55132720Skan// associated with std, because of locale and exception link 56132720Skan// dependence. 57132720Skannamespace __gnu_debug_def { } 5897403Sobrien 59132720Skannamespace __gnu_debug 60132720Skan{ 61132720Skan using namespace __gnu_debug_def; 62132720Skan} 6397403Sobrien 64132720Skan#ifdef _GLIBCXX_DEBUG 65132720Skan# define _GLIBCXX_STD __gnu_norm 66132720Skannamespace __gnu_norm 67132720Skan{ 68132720Skan using namespace std; 69132720Skan} 70132720Skannamespace std 71132720Skan{ 72132720Skan using namespace __gnu_debug_def __attribute__ ((strong)); 73132720Skan} 74132720Skan#else 75132720Skan# define _GLIBCXX_STD std 76132720Skan#endif 77107606Sobrien 7897403Sobrien 79132720Skan// The remainder of the prewritten config is automatic; all the 80132720Skan// user hooks are listed above. 8197403Sobrien 82117397Skan// Create a boolean flag to be used to determine if --fast-math is set. 83117397Skan#ifdef __FAST_MATH__ 84132720Skan# define _GLIBCXX_FAST_MATH 1 85117397Skan#else 86132720Skan# define _GLIBCXX_FAST_MATH 0 87117397Skan#endif 88117397Skan 89132720Skan// This marks string literals in header files to be extracted for eventual 90132720Skan// translation. It is primarily used for messages in thrown exceptions; see 91132720Skan// src/functexcept.cc. We use __N because the more traditional _N is used 92132720Skan// for something else under certain OSes (see BADNAMES). 93132720Skan#define __N(msgid) (msgid) 9497403Sobrien 9597403Sobrien// End of prewritten config; the discovered settings follow. 96