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+// Boost compiler configuration selection header file
+
+// (C) Copyright John Maddock 2001 - 2003.
+// (C) Copyright Jens Maurer 2001 - 2002.
+// 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 std lib we are using and define BOOST_STDLIB_CONFIG as needed:
+
+// First include <cstddef> to determine if some version of STLport is in use as the std lib
+// (do not rely on this header being included since users can short-circuit this header
+// if they know whose std lib they are using.)
+#ifdef __cplusplus
+# include <cstddef>
+#else
+# include <stddef.h>
+#endif
+
+#if defined(__SGI_STL_PORT) || defined(_STLPORT_VERSION)
+// STLPort library; this _must_ come first, otherwise since
+// STLport typically sits on top of some other library, we
+// can end up detecting that first rather than STLport:
+# define BOOST_STDLIB_CONFIG "boost/config/stdlib/stlport.hpp"
+
+#else
+
+// If our std lib was not some version of STLport, and has not otherwise
+// been detected, then include <utility> as it is about
+// the smallest of the std lib headers that includes real C++ stuff.
+// Some std libs do not include their C++-related macros in <cstddef>
+// so this additional include makes sure we get those definitions.
+// Note: do not rely on this header being included since users can short-circuit this
+// #include if they know whose std lib they are using.
+#if !defined(__LIBCOMO__) && !defined(__STD_RWCOMPILER_H__) && !defined(_RWSTD_VER)\
+ && !defined(_LIBCPP_VERSION) && !defined(__GLIBCPP__) && !defined(__GLIBCXX__)\
+ && !defined(__STL_CONFIG_H) && !defined(__MSL_CPP__) && !defined(__IBMCPP__)\
+ && !defined(MSIPL_COMPILE_H) && !defined(_YVALS) && !defined(_CPPLIB_VER)
+#include <utility>
+#endif
+
+#if defined(__LIBCOMO__)
+// Comeau STL:
+#define BOOST_STDLIB_CONFIG "boost/config/stdlib/libcomo.hpp"
+
+#elif defined(__STD_RWCOMPILER_H__) || defined(_RWSTD_VER)
+// Rogue Wave library:
+# define BOOST_STDLIB_CONFIG "boost/config/stdlib/roguewave.hpp"
+
+#elif defined(_LIBCPP_VERSION)
+// libc++
+# define BOOST_STDLIB_CONFIG "boost/config/stdlib/libcpp.hpp"
+
+#elif defined(__GLIBCPP__) || defined(__GLIBCXX__)
+// GNU libstdc++ 3
+# define BOOST_STDLIB_CONFIG "boost/config/stdlib/libstdcpp3.hpp"
+
+#elif defined(__STL_CONFIG_H)
+// generic SGI STL
+# define BOOST_STDLIB_CONFIG "boost/config/stdlib/sgi.hpp"
+
+#elif defined(__MSL_CPP__)
+// MSL standard lib:
+# define BOOST_STDLIB_CONFIG "boost/config/stdlib/msl.hpp"
+
+#elif defined(__IBMCPP__) && defined(__COMPILER_VER__) && defined(__MVS__)
+// IBM z/OS XL C/C++
+# define BOOST_STDLIB_CONFIG "boost/config/stdlib/xlcpp_zos.hpp"
+
+#elif defined(__IBMCPP__)
+// take the default VACPP std lib
+# define BOOST_STDLIB_CONFIG "boost/config/stdlib/vacpp.hpp"
+
+#elif defined(MSIPL_COMPILE_H)
+// Modena C++ standard library
+# define BOOST_STDLIB_CONFIG "boost/config/stdlib/modena.hpp"
+
+#elif (defined(_YVALS) && !defined(__IBMCPP__)) || defined(_CPPLIB_VER)
+// Dinkumware Library (this has to appear after any possible replacement libraries):
+# define BOOST_STDLIB_CONFIG "boost/config/stdlib/dinkumware.hpp"
+
+#elif defined (BOOST_ASSERT_CONFIG)
+// this must come last - generate an error if we don't
+// recognise the library:
+# error "Unknown standard library - 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/stdlib/stlport.hpp"
+# include "boost/config/stdlib/libcomo.hpp"
+# include "boost/config/stdlib/roguewave.hpp"
+# include "boost/config/stdlib/libcpp.hpp"
+# include "boost/config/stdlib/libstdcpp3.hpp"
+# include "boost/config/stdlib/sgi.hpp"
+# include "boost/config/stdlib/msl.hpp"
+# include "boost/config/stdlib/xlcpp_zos.hpp"
+# include "boost/config/stdlib/vacpp.hpp"
+# include "boost/config/stdlib/modena.hpp"
+# include "boost/config/stdlib/dinkumware.hpp"
+#endif
+