gcc/libstdc++-v3/include/bits/c++config

// Predefined symbols and macros -*- C++ -*-

// Copyright (C) 1997, 1998, 1999, 2000, 2001 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 2, 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.

// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING.  If not, write to the Free
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.

// As a special exception, you may use this file as part of a free software
// library without restriction.  Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License.  This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.

#ifndef _CPP_CPPCONFIG
#define _CPP_CPPCONFIG 1

// Pick up any OS-specific definitions.
#include <bits/os_defines.h>

// The current version of the C++ library in compressed ISO date format.
#define __GLIBCPP__ 20010301

// This is necessary until GCC supports separate template
// compilation.  
#define _GLIBCPP_NO_TEMPLATE_EXPORT 1

// This is a hack around not having either pre-compiled headers or
// export compilation. If defined, the io, string, and valarray
// headers will include all the necessary bits. If not defined, the
// implementation optimizes the headers for the most commonly-used
// types. For the io library, this means that larger, out-of-line
// member functions are only declared, and definitions are not parsed
// by the compiler, but instead instantiated into the library binary.
#define _GLIBCPP_FULLY_COMPLIANT_HEADERS 1

// To enable older, ARM-style iostreams and other anachronisms use this.
//#define _GLIBCPP_DEPRECATED 1

// Use corrected code from the committee library group's issues list.
#define _GLIBCPP_RESOLVE_LIB_DEFECTS 1

// From SGI's stl_config.h; generic settings and user hooks (_NOTHREADS).
#if defined(_PTHREADS) && !defined(_NOTHREADS)
#    define __STL_PTHREADS
#endif
#if defined(_UITHREADS) && !defined(_PTHREADS) && !defined(_NOTHREADS)
#    define __STL_UITHREADS
#endif

// Concept-checking code is off by default unless users define
// the _STL_USE_CONCEPT_CHECKS hook.
//#define _STL_USE_CONCEPT_CHECKS 1

// This is also a user hook, but via -f[no-]exceptions, not direct #defines.
#ifdef __EXCEPTIONS
#  define __STL_USE_EXCEPTIONS
#  define __STL_TRY try
#  define __STL_CATCH_ALL catch(...)
#  define __STL_THROW(x) throw x
#  define __STL_RETHROW throw
#  define __STL_NOTHROW throw()
#  define __STL_UNWIND(action) catch(...) { action; throw; }
#else
#  define __STL_TRY 
#  define __STL_CATCH_ALL if (false)
#  define __STL_THROW(x) 
#  define __STL_RETHROW 
#  define __STL_NOTHROW 
#  define __STL_UNWIND(action) 
#endif

// This is the "underlying allocator"
#define __USE_MALLOC

// Define this to permit user-level control of the expansion of string
// buffers (via a fn pointer), see basic_string.* for more.
//#define _GLIBCPP_ALLOC_CONTROL

// The remainder of the prewritten config is mostly automatic; all the
// user hooks are listed above.

#ifdef _REENTRANT
#  define __STL_THREADS
#endif
#ifdef _PTHREADS
#  define __STL_PTHREADS
#endif
//#ifndef __STRICT_ANSI__
//#  define __STL_LONG_LONG
//#endif

// 20010302 pme -- this is only used in bits/concept_checks.h
//#if (__GNUC__ < 2) || (__GNUC__ == 2 && __GNUC_MINOR__ < 95)
#  define __STL_NO_FUNCTION_PTR_IN_CLASS_TEMPLATE
//#endif

// Mingw32, GCC compiler using the Microsoft C runtime (settings taken from
// SGI's stl_config.h)
#if defined(__MINGW32__)
#  define __STL_NO_DRAND48
#  ifdef _MT
#    define __STL_WIN32THREADS
#  endif
#endif

// Cygwin32, GCC compiler on MS Windows (settings taken from SGI's
// stl_config.h)
#if defined(__CYGWIN__)
#  define __STL_NO_DRAND48
#endif

// XXX Only used in the SGI rope extensions; this is from stl_config.h and
// should be cleaned up.
#ifdef __STL_ASSERTIONS
# include <stdio.h>
# define __stl_assert(expr) \
    if (!(expr)) { fprintf(stderr, "%s:%d STL assertion failure: %s\n", \
                          __FILE__, __LINE__, # expr); abort(); }
#else
# define __stl_assert(expr)
#endif


#if defined(__STL_WIN32THREADS) || defined(__STL_SGI_THREADS) \
    || defined(__STL_PTHREADS)  || defined(__STL_UITHREADS)
#   define __STL_THREADS
#   define __STL_VOLATILE volatile
#else
#   define __STL_VOLATILE
#endif


// End of prewritten config; the discovered settings follow.