text: //  Boost compiler configuration selection header file
  
  //  (C) Copyright John Maddock 2001 - 2002. 
  //  (C) Copyright Jens Maurer 2001. 
  //  Use, modification and distribution are subject to the 
  //  Boost Software License, Version 1.0. (See accompanying file 
  //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  
  //  See http://www.boost.org for most recent version.
  
  // locate which platform we are on and define BOOST_PLATFORM_CONFIG as needed.
  // Note that we define the headers to include using "header_name" not
  // <header_name> in order to prevent macro expansion within the header
  // name (for example "linux" is a macro on linux systems).
  
  #if (defined(linux) || defined(__linux) || defined(__linux__) || defined(__GNU__) || defined(__GLIBC__)) && !defined(_CRAYC)
  // linux, also other platforms (Hurd etc) that use GLIBC, should these really have their own config headers though?
  #  define BOOST_PLATFORM_CONFIG "boost/config/platform/linux.hpp"
  
  #elif defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__)
  // BSD:
  #  define BOOST_PLATFORM_CONFIG "boost/config/platform/bsd.hpp"
  
  #elif defined(sun) || defined(__sun)
  // solaris:
  #  define BOOST_PLATFORM_CONFIG "boost/config/platform/solaris.hpp"
  
  #elif defined(__sgi)
  // SGI Irix:
  #  define BOOST_PLATFORM_CONFIG "boost/config/platform/irix.hpp"
  
  #elif defined(__hpux)
  // hp unix:
  #  define BOOST_PLATFORM_CONFIG "boost/config/platform/hpux.hpp"
  
  #elif defined(__CYGWIN__)
  // cygwin is not win32:
  #  define BOOST_PLATFORM_CONFIG "boost/config/platform/cygwin.hpp"
  
  #elif defined(_WIN32) || defined(__WIN32__) || defined(WIN32)
  // win32:
  #  define BOOST_PLATFORM_CONFIG "boost/config/platform/win32.hpp"
  
  #elif defined(__BEOS__)
  // BeOS
  #  define BOOST_PLATFORM_CONFIG "boost/config/platform/beos.hpp"
  
  #elif defined(macintosh) || defined(__APPLE__) || defined(__APPLE_CC__)
  // MacOS
  #  define BOOST_PLATFORM_CONFIG "boost/config/platform/macos.hpp"
  
  #elif defined(__IBMCPP__) || defined(_AIX)
  // IBM
  #  define BOOST_PLATFORM_CONFIG "boost/config/platform/aix.hpp"
  
  #elif defined(__amigaos__)
  // AmigaOS
  #  define BOOST_PLATFORM_CONFIG "boost/config/platform/amigaos.hpp"
  
  #elif defined(__QNXNTO__)
  // QNX:
  #  define BOOST_PLATFORM_CONFIG "boost/config/platform/qnxnto.hpp"
  
  #elif defined(__VXWORKS__)
  // vxWorks:
  #  define BOOST_PLATFORM_CONFIG "boost/config/platform/vxworks.hpp"
  
  #elif defined(__SYMBIAN32__) 
  // Symbian: 
  #  define BOOST_PLATFORM_CONFIG "boost/config/platform/symbian.hpp" 
  
  #elif defined(_CRAYC)
  // Cray:
  #  define BOOST_PLATFORM_CONFIG "boost/config/platform/cray.hpp" 
  
  #elif defined(__VMS) 
  // VMS:
  #  define BOOST_PLATFORM_CONFIG "boost/config/platform/vms.hpp" 
  #else
  
  #  if defined(unix) \
        || defined(__unix) \
        || defined(_XOPEN_SOURCE) \
        || defined(_POSIX_SOURCE)
  
     // generic unix platform:
  
  #  ifndef BOOST_HAS_UNISTD_H
  #     define BOOST_HAS_UNISTD_H
  #  endif
  
  #  include <boost/config/posix_features.hpp>
  
  #  endif
  
  #  if defined (BOOST_ASSERT_CONFIG)
        // this must come last - generate an error if we don't
        // recognise the platform:
  #     error "Unknown platform - please configure and report the results to boost.org"
  #  endif
  
  #endif
  
  #if 0
  //
  // This section allows dependency scanners to find all the files we *might* include:
  //
  #  include "boost/config/platform/linux.hpp"
  #  include "boost/config/platform/bsd.hpp"
  #  include "boost/config/platform/solaris.hpp"
  #  include "boost/config/platform/irix.hpp"
  #  include "boost/config/platform/hpux.hpp"
  #  include "boost/config/platform/cygwin.hpp"
  #  include "boost/config/platform/win32.hpp"
  #  include "boost/config/platform/beos.hpp"
  #  include "boost/config/platform/macos.hpp"
  #  include "boost/config/platform/aix.hpp"
  #  include "boost/config/platform/amigaos.hpp"
  #  include "boost/config/platform/qnxnto.hpp"
  #  include "boost/config/platform/vxworks.hpp"
  #  include "boost/config/platform/symbian.hpp" 
  #  include "boost/config/platform/cray.hpp" 
  #  include "boost/config/platform/vms.hpp" 
  #  include <boost/config/posix_features.hpp>
  
  
  
  #endif
  
  