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Diffstat (limited to 'boost/phoenix/config.hpp')
| -rw-r--r-- | boost/phoenix/config.hpp | 68 |
1 files changed, 66 insertions, 2 deletions
diff --git a/boost/phoenix/config.hpp b/boost/phoenix/config.hpp index d4d78e9c94..9f2138c894 100644 --- a/boost/phoenix/config.hpp +++ b/boost/phoenix/config.hpp @@ -1,12 +1,76 @@ /*============================================================================== Copyright (c) 2001-2010 Joel de Guzman - Copyright (c) 2010 Eric Niebler - Copyright (c) 2014 John Fletcher + 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 |