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78 lines
3.1 KiB
C++
78 lines
3.1 KiB
C++
/*==============================================================================
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Copyright (c) 2001-2010 Joel de Guzman
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Copyright (c) 2010 Eric Niebler
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Copyright (c) 2014-2015 John Fletcher
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Copyright (c) 2016 Kohei Takahashi
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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==============================================================================*/
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#ifndef BOOST_PHOENIX_CONFIG_HPP
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#define BOOST_PHOENIX_CONFIG_HPP
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#include <boost/config.hpp>
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#include <boost/detail/workaround.hpp>
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//////////////////////////////////////////////////////////////////////////
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// This section is to sort out whether hash types or unordered types
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// are available. This depends on whether stdlib or libc++ is being used
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// and also whether C++11 or C++03 is being used.
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//////////////////////////////////////////////////////////////////////////
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// The idea is to set up the configuration without including the actual
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// headers unless that is unavoidable.
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//
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// The client code should contain the following to include headers
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//
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// #ifdef BOOST_PHOENIX_HAS_HASH
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// #include BOOST_PHOENIX_HASH_SET_HEADER
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// #include BOOST_PHOENIX_HASH_MAP_HEADER
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// #endif
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//
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// #ifdef BOOST_PHOENIX_HAS_UNORDERED_SET_AND_MAP
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// #include BOOST_PHOENIX_UNORDERED_SET_HEADER
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// #include BOOST_PHOENIX_UNORDERED_MAP_HEADER
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// #endif
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//
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// The client code can then chose the implementation provided.
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// See the example in test/stl/querying_find2.cpp
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// There is no specific thing in Boost Config for libc++
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#ifdef _LIBCPP_VERSION
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#define BOOST_PHOENIX_USING_LIBCPP
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#endif
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// This may not be true for some very old version of libc++
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// Current libc++ supports unordered_set and unordered_map without C++11.
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#if defined(BOOST_PHOENIX_USING_LIBCPP) \
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&& !(defined(BOOST_NO_CXX11_HDR_UNORDERED_MAP) || defined(BOOST_NO_CXX11_HDR_UNORDERED_SET))
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// This is either libc++ or C++11 or later
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#define BOOST_PHOENIX_HAS_UNORDERED_SET_AND_MAP
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#define BOOST_PHOENIX_UNORDERED_SET_HEADER <unordered_set>
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#define BOOST_PHOENIX_UNORDERED_MAP_HEADER <unordered_map>
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#define BOOST_PHOENIX_UNORDERED_NAMESPACE std
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#endif
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#if defined(BOOST_HAS_HASH)
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// This is to sort out case of Clang when using stdlib from gcc
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// as Clang thinks it is gcc 4.2.1
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// This prevents the failure to include a header with a warning.
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#define _GLIBCXX_PERMIT_BACKWARD_HASH
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#define BOOST_PHOENIX_HASH_SET_HEADER BOOST_HASH_SET_HEADER
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#define BOOST_PHOENIX_HASH_MAP_HEADER BOOST_HASH_MAP_HEADER
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#define BOOST_PHOENIX_HAS_HASH
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#define BOOST_PHOENIX_HASH_NAMESPACE BOOST_STD_EXTENSION_NAMESPACE
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#elif defined(BOOST_DINKUMWARE_STDLIB) && (BOOST_DINKUMWARE_STDLIB < 610)
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#define BOOST_PHOENIX_HASH_SET_HEADER <hash_set>
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#define BOOST_PHOENIX_HASH_MAP_HEADER <hash_map>
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#define BOOST_PHOENIX_HAS_HASH
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#define BOOST_PHOENIX_HASH_NAMESPACE stdext
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#endif
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#if BOOST_WORKAROUND(BOOST_GCC, < 40100)
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#define BOOST_PHOENIX_SFINAE_AND_OVERLOADS , void* = 0
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#else
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#define BOOST_PHOENIX_SFINAE_AND_OVERLOADS
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#endif
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#endif
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