// Predefined symbols and macros -*- C++ -*-// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,// 2006, 2007, 2008, 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/>./** @file c++config.h* This is an internal header file, included by other library headers.* You should not attempt to use it directly.*/#ifndef _GLIBCXX_CXX_CONFIG_H#define _GLIBCXX_CXX_CONFIG_H 1// The current version of the C++ library in compressed ISO date format.#define __GLIBCXX__// Macros for visibility.// _GLIBCXX_HAVE_ATTRIBUTE_VISIBILITY// _GLIBCXX_VISIBILITY_ATTR#define _GLIBCXX_HAVE_ATTRIBUTE_VISIBILITY#if _GLIBCXX_HAVE_ATTRIBUTE_VISIBILITY# define _GLIBCXX_VISIBILITY_ATTR(V) __attribute__ ((__visibility__ (#V)))#else// If this is not supplied by the OS-specific or CPU-specific// headers included below, it will be defined to an empty default.# define _GLIBCXX_VISIBILITY_ATTR(V) _GLIBCXX_PSEUDO_VISIBILITY(V)#endif// Macros for deprecated.// _GLIBCXX_DEPRECATED// _GLIBCXX_DEPRECATED_ATTR#ifndef _GLIBCXX_DEPRECATED# define _GLIBCXX_DEPRECATED 1#endif#if defined(__DEPRECATED) && defined(__GXX_EXPERIMENTAL_CXX0X__)# define _GLIBCXX_DEPRECATED_ATTR __attribute__ ((__deprecated__))#else# define _GLIBCXX_DEPRECATED_ATTR#endif// Macros for activating various namespace association modes.// _GLIBCXX_NAMESPACE_ASSOCIATION_DEBUG// _GLIBCXX_NAMESPACE_ASSOCIATION_PARALLEL// _GLIBCXX_NAMESPACE_ASSOCIATION_VERSION// Guide to libstdc++ namespaces./*namespace std{namespace __debug { }namespace __parallel { }namespace __norm { } // __normative, __shadow, __replacednamespace __cxx1998 { }namespace tr1 { }}*/#if __cplusplus#ifdef _GLIBCXX_DEBUG# define _GLIBCXX_NAMESPACE_ASSOCIATION_DEBUG 1#endif#ifdef _GLIBCXX_PARALLEL# define _GLIBCXX_NAMESPACE_ASSOCIATION_PARALLEL 1#endif// Namespace association for profile#ifdef _GLIBCXX_PROFILE# define _GLIBCXX_NAMESPACE_ASSOCIATION_PROFILE 1#endif#define _GLIBCXX_NAMESPACE_ASSOCIATION_VERSION// Defined if any namespace association modes are active.#if _GLIBCXX_NAMESPACE_ASSOCIATION_DEBUG \|| _GLIBCXX_NAMESPACE_ASSOCIATION_PARALLEL \|| _GLIBCXX_NAMESPACE_ASSOCIATION_PROFILE \|| _GLIBCXX_NAMESPACE_ASSOCIATION_VERSION# define _GLIBCXX_USE_NAMESPACE_ASSOCIATION 1#endif// Macros for namespace scope. Either namespace std:: or the name// of some nested namespace within it.// _GLIBCXX_STD// _GLIBCXX_STD_D// _GLIBCXX_STD_P//// Macros for enclosing namespaces and possibly nested namespaces.// _GLIBCXX_BEGIN_NAMESPACE// _GLIBCXX_END_NAMESPACE// _GLIBCXX_BEGIN_NESTED_NAMESPACE// _GLIBCXX_END_NESTED_NAMESPACE#ifndef _GLIBCXX_USE_NAMESPACE_ASSOCIATION# define _GLIBCXX_STD_D _GLIBCXX_STD# define _GLIBCXX_STD_P _GLIBCXX_STD# define _GLIBCXX_STD_PR _GLIBCXX_STD# define _GLIBCXX_STD std# define _GLIBCXX_BEGIN_NESTED_NAMESPACE(X, Y) _GLIBCXX_BEGIN_NAMESPACE(X)# define _GLIBCXX_END_NESTED_NAMESPACE _GLIBCXX_END_NAMESPACE# define _GLIBCXX_BEGIN_NAMESPACE(X) namespace X _GLIBCXX_VISIBILITY_ATTR(default) {# define _GLIBCXX_END_NAMESPACE }#else# if _GLIBCXX_NAMESPACE_ASSOCIATION_VERSION // && not anything else# define _GLIBCXX_STD_D _GLIBCXX_STD# define _GLIBCXX_STD_P _GLIBCXX_STD# define _GLIBCXX_STD _6# define _GLIBCXX_BEGIN_NAMESPACE(X) _GLIBCXX_BEGIN_NESTED_NAMESPACE(X, _6)# define _GLIBCXX_END_NAMESPACE _GLIBCXX_END_NESTED_NAMESPACE# endif// debug# if _GLIBCXX_NAMESPACE_ASSOCIATION_DEBUG && !_GLIBCXX_NAMESPACE_ASSOCIATION_PARALLEL && !_GLIBCXX_NAMESPACE_ASSOCIATION_PROFILE# define _GLIBCXX_STD_D __norm# define _GLIBCXX_STD_P _GLIBCXX_STD# define _GLIBCXX_STD __cxx1998# define _GLIBCXX_BEGIN_NAMESPACE(X) namespace X _GLIBCXX_VISIBILITY_ATTR(default) {# define _GLIBCXX_END_NAMESPACE }# define _GLIBCXX_EXTERN_TEMPLATE -1# endif// parallel# if _GLIBCXX_NAMESPACE_ASSOCIATION_PARALLEL && !_GLIBCXX_NAMESPACE_ASSOCIATION_DEBUG && !_GLIBCXX_NAMESPACE_ASSOCIATION_PROFILE# define _GLIBCXX_STD_D _GLIBCXX_STD# define _GLIBCXX_STD_P __norm# define _GLIBCXX_STD __cxx1998# define _GLIBCXX_BEGIN_NAMESPACE(X) namespace X _GLIBCXX_VISIBILITY_ATTR(default) {# define _GLIBCXX_END_NAMESPACE }# endif// debug + parallel# if _GLIBCXX_NAMESPACE_ASSOCIATION_PARALLEL && _GLIBCXX_NAMESPACE_ASSOCIATION_DEBUG && !_GLIBCXX_NAMESPACE_ASSOCIATION_PROFILE# define _GLIBCXX_STD_D __norm# define _GLIBCXX_STD_P __norm# define _GLIBCXX_STD __cxx1998# define _GLIBCXX_BEGIN_NAMESPACE(X) namespace X _GLIBCXX_VISIBILITY_ATTR(default) {# define _GLIBCXX_END_NAMESPACE }# define _GLIBCXX_EXTERN_TEMPLATE -1# endif// profile# if _GLIBCXX_NAMESPACE_ASSOCIATION_PROFILE# if _GLIBCXX_NAMESPACE_ASSOCIATION_PARALLEL || _GLIBCXX_NAMESPACE_ASSOCIATION_DEBUG# error Cannot use -D_GLIBCXX_PROFILE with -D_GLIBCXX_DEBUG or \-D_GLIBCXX_PARALLEL# endif# define _GLIBCXX_STD_D __norm# define _GLIBCXX_STD_P _GLIBCXX_STD# define _GLIBCXX_STD_PR __norm# define _GLIBCXX_STD __cxx1998# define _GLIBCXX_BEGIN_NAMESPACE(X) namespace X _GLIBCXX_VISIBILITY_ATTR(default) {# define _GLIBCXX_END_NAMESPACE }# endif# if __NO_INLINE__ && !__GXX_WEAK__# warning currently using namespace associated mode which may fail \without inlining due to lack of weak symbols# endif# define _GLIBCXX_BEGIN_NESTED_NAMESPACE(X, Y) namespace X { namespace Y _GLIBCXX_VISIBILITY_ATTR(default) {# define _GLIBCXX_END_NESTED_NAMESPACE } }#endif// Namespace associations for debug mode.#if _GLIBCXX_NAMESPACE_ASSOCIATION_DEBUG && !_GLIBCXX_NAMESPACE_ASSOCIATION_PROFILEnamespace std{namespace __norm { }inline namespace __debug { }inline namespace __cxx1998 { }}#endif// Namespace associations for parallel mode.#if _GLIBCXX_NAMESPACE_ASSOCIATION_PARALLELnamespace std{namespace __norm { }inline namespace __parallel { }inline namespace __cxx1998 { }}#endif// Namespace associations for profile mode#if _GLIBCXX_NAMESPACE_ASSOCIATION_PROFILEnamespace std{namespace __norm { }inline namespace __profile { }inline namespace __cxx1998 { }}#endif// Namespace associations for versioning mode.#if _GLIBCXX_NAMESPACE_ASSOCIATION_VERSIONnamespace std{inline namespace _6 { }}namespace __gnu_cxx{inline namespace _6 { }}namespace std{namespace tr1{inline namespace _6 { }}}#endif// XXX GLIBCXX_ABI Deprecated// Define if compatibility should be provided for -mlong-double-64#undef _GLIBCXX_LONG_DOUBLE_COMPAT// Namespace associations for long double 128 mode.#if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__namespace std{inline namespace __gnu_cxx_ldbl128 { }}# define _GLIBCXX_LDBL_NAMESPACE __gnu_cxx_ldbl128::# define _GLIBCXX_BEGIN_LDBL_NAMESPACE namespace __gnu_cxx_ldbl128 {# define _GLIBCXX_END_LDBL_NAMESPACE }#else# define _GLIBCXX_LDBL_NAMESPACE# define _GLIBCXX_BEGIN_LDBL_NAMESPACE# define _GLIBCXX_END_LDBL_NAMESPACE#endif// Defines for C compatibility. In particular, define extern "C"// linkage only when using C++.# define _GLIBCXX_BEGIN_EXTERN_C extern "C" {# define _GLIBCXX_END_EXTERN_C }#else // !__cplusplus# undef _GLIBCXX_BEGIN_NAMESPACE# undef _GLIBCXX_END_NAMESPACE# define _GLIBCXX_BEGIN_NAMESPACE(X)# define _GLIBCXX_END_NAMESPACE# define _GLIBCXX_BEGIN_EXTERN_C# define _GLIBCXX_END_EXTERN_C#endif// First includes.// Pick up any OS-specific definitions.#include <bits/os_defines.h>// Pick up any CPU-specific definitions.#include <bits/cpu_defines.h>// If platform uses neither visibility nor psuedo-visibility,// specify empty default for namespace annotation macros.#ifndef _GLIBCXX_PSEUDO_VISIBILITY#define _GLIBCXX_PSEUDO_VISIBILITY(V)#endif// Allow use of "export template." This is currently not a feature// that g++ supports.// #define _GLIBCXX_EXPORT_TEMPLATE 1// Allow use of the GNU syntax extension, "extern template." This// extension is fully documented in the g++ manual, but in a nutshell,// it inhibits all implicit instantiations and is used throughout the// library to avoid multiple weak definitions for required types that// are already explicitly instantiated in the library binary. This// substantially reduces the binary size of resulting executables.// Special case: _GLIBCXX_EXTERN_TEMPLATE == -1 disallows extern// templates only in basic_string, thus activating its debug-mode// checks even at -O0.#ifndef _GLIBCXX_EXTERN_TEMPLATE# define _GLIBCXX_EXTERN_TEMPLATE 1#endif// Certain function definitions that are meant to be overridable from// user code are decorated with this macro. For some targets, this// macro causes these definitions to be weak.#ifndef _GLIBCXX_WEAK_DEFINITION# define _GLIBCXX_WEAK_DEFINITION#endif// Assert.// Avoid the use of assert, because we're trying to keep the <cassert>// include out of the mix.#if !defined(_GLIBCXX_DEBUG) && !defined(_GLIBCXX_PARALLEL)#define __glibcxx_assert(_Condition)#else_GLIBCXX_BEGIN_NAMESPACE(std)// Avoid the use of assert, because we're trying to keep the <cassert>// include out of the mix.inline void__replacement_assert(const char* __file, int __line,const char* __function, const char* __condition){__builtin_printf("%s:%d: %s: Assertion '%s' failed.\n", __file, __line,__function, __condition);__builtin_abort();}_GLIBCXX_END_NAMESPACE#define __glibcxx_assert(_Condition) \do \{ \if (! (_Condition)) \std::__replacement_assert(__FILE__, __LINE__, \__PRETTY_FUNCTION__, #_Condition); \} while (false)#endif// The remainder of the prewritten config is automatic; all the// user hooks are listed above.// Create a boolean flag to be used to determine if --fast-math is set.#ifdef __FAST_MATH__# define _GLIBCXX_FAST_MATH 1#else# define _GLIBCXX_FAST_MATH 0#endif// This marks string literals in header files to be extracted for eventual// translation. It is primarily used for messages in thrown exceptions; see// src/functexcept.cc. We use __N because the more traditional _N is used// for something else under certain OSes (see BADNAMES).#define __N(msgid) (msgid)// For example, <windows.h> is known to #define min and max as macros...#undef min#undef max#ifndef _GLIBCXX_PURE# define _GLIBCXX_PURE __attribute__ ((__pure__))#endif#ifndef _GLIBCXX_CONST# define _GLIBCXX_CONST __attribute__ ((__const__))#endif#ifndef _GLIBCXX_NORETURN# define _GLIBCXX_NORETURN __attribute__ ((__noreturn__))#endif#ifndef _GLIBCXX_NOTHROW# ifdef __cplusplus# define _GLIBCXX_NOTHROW throw()# else# define _GLIBCXX_NOTHROW __attribute__((__nothrow__))# endif#endif// End of prewritten config; the discovered settings follow.