4299992823
2009-10-14 Paolo Carlini <paolo.carlini@oracle.com> * include/bits/c++config: Do not disable extern templates for string in plain parallel-mode and in profile-mode; add comment explaining _GLIBCXX_EXTERN_TEMPLATE == -1. From-SVN: r152789
372 lines
11 KiB
C++
372 lines
11 KiB
C++
// 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
|
|
# define _GLIBCXX_VISIBILITY_ATTR(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, __replaced
|
|
namespace __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_PROFILE
|
|
namespace std
|
|
{
|
|
namespace __norm { }
|
|
inline namespace __debug { }
|
|
inline namespace __cxx1998 { }
|
|
}
|
|
#endif
|
|
|
|
// Namespace associations for parallel mode.
|
|
#if _GLIBCXX_NAMESPACE_ASSOCIATION_PARALLEL
|
|
namespace std
|
|
{
|
|
namespace __norm { }
|
|
inline namespace __parallel { }
|
|
inline namespace __cxx1998 { }
|
|
}
|
|
#endif
|
|
|
|
// Namespace associations for profile mode
|
|
#if _GLIBCXX_NAMESPACE_ASSOCIATION_PROFILE
|
|
namespace std
|
|
{
|
|
namespace __norm { }
|
|
inline namespace __profile { }
|
|
inline namespace __cxx1998 { }
|
|
}
|
|
#endif
|
|
|
|
// Namespace associations for versioning mode.
|
|
#if _GLIBCXX_NAMESPACE_ASSOCIATION_VERSION
|
|
namespace 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>
|
|
|
|
// 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.
|