move/detail/std_ns_begin.hpp

0001 #//////////////////////////////////////////////////////////////////////////////
0002 #//
0003 #// (C) Copyright Ion Gaztanaga 2015-2015.
0004 #// Distributed under the Boost Software License, Version 1.0.
0005 #// (See accompanying file LICENSE_1_0.txt or copy at
0006 #// http://www.boost.org/LICENSE_1_0.txt)
0007 #//
0008 #// See http://www.boost.org/libs/move for documentation.
0009 #//
0010 #//////////////////////////////////////////////////////////////////////////////
0011 #
0012 #if defined(_LIBCPP_VERSION)
0013    #if defined(__clang__)
0014       #define BOOST_MOVE_STD_NS_GCC_DIAGNOSTIC_PUSH
0015       #pragma GCC diagnostic push
0016       #pragma GCC diagnostic ignored "-Wc++11-extensions"
0017    #endif
0018    #define BOOST_MOVE_STD_NS_BEG _LIBCPP_BEGIN_NAMESPACE_STD
0019    #define BOOST_MOVE_STD_NS_END _LIBCPP_END_NAMESPACE_STD
0020 #elif defined(BOOST_GNU_STDLIB) && defined(_GLIBCXX_BEGIN_NAMESPACE_VERSION)  //GCC >= 4.6
0021    #define BOOST_MOVE_STD_NS_BEG namespace std _GLIBCXX_VISIBILITY(default) { _GLIBCXX_BEGIN_NAMESPACE_VERSION
0022    #define BOOST_MOVE_STD_NS_END _GLIBCXX_END_NAMESPACE_VERSION  } // namespace
0023 #elif defined(BOOST_GNU_STDLIB) && defined(_GLIBCXX_BEGIN_NAMESPACE)  //GCC >= 4.2
0024    #define BOOST_MOVE_STD_NS_BEG _GLIBCXX_BEGIN_NAMESPACE(std)
0025    #define BOOST_MOVE_STD_NS_END _GLIBCXX_END_NAMESPACE
0026 #else
0027    #if defined(_MSC_VER) && (_MSC_VER >= 1915)
0028       #pragma warning (push)
0029       #pragma warning (disable : 4643) // Forward declaring 'X' in namespace std is not permitted by the C++ Standard
0030    #endif
0031
0032    #define BOOST_MOVE_STD_NS_BEG namespace std{
0033    #define BOOST_MOVE_STD_NS_END }
0034 #endif