liuxiaolong
2021-07-20 58d904a328c0d849769b483e901a0be9426b8209
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// (C) Copyright 2008 CodeRage, LLC (turkanis at coderage dot com)
// (C) Copyright 2003-2007 Jonathan Turkanis
// Distributed under 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/libs/iostreams for documentation.
 
// Adapted from http://www.boost.org/more/separate_compilation.html, by
// John Maddock.
 
#ifndef BOOST_IOSTREAMS_DETAIL_CONFIG_WIDE_STREAMS_HPP_INCLUDED
#define BOOST_IOSTREAMS_DETAIL_CONFIG_WIDE_STREAMS_HPP_INCLUDED
 
#include <boost/config.hpp>
#include <boost/detail/workaround.hpp>
#include <cstddef>
 
#if defined(_MSC_VER)
# pragma once
#endif       
 
//------------------Templated stream support----------------------------------//
 
// From boost/dynamic_bitset.hpp; thanks to Matthias Troyer for cray patch.
#ifndef BOOST_IOSTREAMS_NO_STREAM_TEMPLATES
# if defined(__STL_CONFIG_H) && \
    !defined (__STL_USE_NEW_IOSTREAMS) && !defined(__crayx1) \
    /**/
#  define BOOST_IOSTREAMS_NO_STREAM_TEMPLATES
# endif
#endif // #ifndef BOOST_IOSTREAMS_NO_STREAM_TEMPLATES
 
//------------------Wide stream support---------------------------------------//
 
#ifndef BOOST_IOSTREAMS_NO_WIDE_STREAMS
# if defined(BOOST_IOSTREAMS_NO_STREAM_TEMPLATES) || \
     defined (BOOST_NO_STD_WSTREAMBUF) && \
     ( !defined(__MSL_CPP__) || defined(_MSL_NO_WCHART_CPP_SUPPORT) ) \
     /**/
#  define BOOST_IOSTREAMS_NO_WIDE_STREAMS
# endif
#endif // #ifndef BOOST_IOSTREAMS_NO_WIDE_STREAMS   
 
//------------------Locale support--------------------------------------------//
 
#ifndef BOOST_IOSTREAMS_NO_LOCALE
# if defined(BOOST_NO_STD_LOCALE) && \
     ( !defined(__MSL_CPP__) || defined(_MSL_NO_WCHART_CPP_SUPPORT) ) \
     /**/
#  define BOOST_IOSTREAMS_NO_LOCALE
# endif
#endif // #ifndef BOOST_IOSTREAMS_NO_LOCALE
 
#endif // #ifndef BOOST_IOSTREAMS_DETAIL_CONFIG_WIDE_STREAMS_HPP_INCLUDED