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- /*==============================================================================
- Copyright (c) 2001-2010 Joel de Guzman
- Copyright (c) 2010 Eric Niebler
- Copyright (c) 2014-2015 John Fletcher
- 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)
- ==============================================================================*/
- #ifndef BOOST_PHOENIX_CONFIG_HPP
- #define BOOST_PHOENIX_CONFIG_HPP
- #include <boost/config.hpp>
- //////////////////////////////////////////////////////////////////////////
- // This section is to sort out whether hash types or unordered types
- // are available. This depends on whether stdlib or libc++ is being used
- // and also whether C++11 or C++03 is being used.
- //////////////////////////////////////////////////////////////////////////
- // The idea is to set up the configuration without including the actual
- // headers unless that is unavoidable.
- //
- // The client code should contain the following to include headers
- //
- // #ifdef BOOST_PHOENIX_HAS_HASH
- // #include BOOST_PHOENIX_HASH_SET_HEADER
- // #include BOOST_PHOENIX_HASH_MAP_HEADER
- // #endif
- //
- // #ifdef BOOST_PHOENIX_HAS_UNORDERED_SET_AND_MAP
- // #define BOOST_PHOENIX_UNORDERED_SET_HEADER <unordered_set>
- // #define BOOST_PHOENIX_UNORDERED_MAP_HEADER <unordered_map>
- // #endif
- //
- // The client code can then chose the implementation provided.
- // See the example in test/stl/querying_find2.cpp
- //
- //////////////////////////////////////////////////////////////////////////
- //
- // There is no specific thing in Boost Config for libc++
- #ifdef _LIBCPP_VERSION
- #define BOOST_PHOENIX_USING_LIBCPP
- // This may not be true for some very old version of libc++
- // Current libc++ supports unordered_set and unordered_map without C++11.
- #undef BOOST_NO_CXX11_HDR_UNORDERED_MAP
- #undef BOOST_NO_CXX11_HDR_UNORDERED_SET
- #endif
- #if (!defined(BOOST_PHOENIX_USING_LIBCPP) \
- && (defined (BOOST_NO_CXX11_HDR_UNORDERED_MAP) || \
- defined (BOOST_NO_CXX11_HDR_UNORDERED_SET) ) )
- #ifdef BOOST_HAS_HASH
- // This is to sort out case of Clang when using stdlib from gcc
- // as Clang thinks it is gcc 4.2.1
- // This prevents the failure to include a header with a warning.
- #define _GLIBCXX_PERMIT_BACKWARD_HASH
- #define BOOST_PHOENIX_PERMIT_BACKWARD_HASH
- #define BOOST_PHOENIX_HASH_SET_HEADER BOOST_HASH_SET_HEADER
- #define BOOST_PHOENIX_HASH_MAP_HEADER BOOST_HASH_MAP_HEADER
- #define BOOST_PHOENIX_HAS_HASH
- #define BOOST_PHOENIX_HASH_NAMESPACE BOOST_STD_EXTENSION_NAMESPACE
- #elif defined(BOOST_DINKUMWARE_STDLIB) && (BOOST_DINKUMWARE_STDLIB < 610)
- #define BOOST_PHOENIX_HASH_SET_HEADER <hash_set>
- #define BOOST_PHOENIX_HASH_MAP_HEADER <hash_map>
- #define BOOST_PHOENIX_HAS_HASH
- #define BOOST_PHOENIX_HASH_NAMESPACE stdext
- #endif
- #else
- // This is either libc++ or C++11 or later
- #define BOOST_PHOENIX_HAS_UNORDERED_SET_AND_MAP
- #define BOOST_PHOENIX_UNORDERED_SET_HEADER <unordered_set>
- #define BOOST_PHOENIX_UNORDERED_MAP_HEADER <unordered_map>
- #define BOOST_PHOENIX_UNORDERED_NAMESPACE std
- #endif
- #endif
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