328 lines
13 KiB
C++
328 lines
13 KiB
C++
//
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// detail/config.hpp
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// ~~~~~~~~~~~~~~~~~
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//
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// Copyright (c) 2003-2011 Christopher M. Kohlhoff (chris at kohlhoff dot com)
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//
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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_ASIO_DETAIL_CONFIG_HPP
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#define BOOST_ASIO_DETAIL_CONFIG_HPP
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#include <boost/config.hpp>
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// Default to a header-only implementation. The user must specifically request
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// separate compilation by defining either BOOST_ASIO_SEPARATE_COMPILATION or
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// BOOST_ASIO_DYN_LINK (as a DLL/shared library implies separate compilation).
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#if !defined(BOOST_ASIO_HEADER_ONLY)
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# if !defined(BOOST_ASIO_SEPARATE_COMPILATION)
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# if !defined(BOOST_ASIO_DYN_LINK)
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# define BOOST_ASIO_HEADER_ONLY
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# endif // !defined(BOOST_ASIO_DYN_LINK)
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# endif // !defined(BOOST_ASIO_SEPARATE_COMPILATION)
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#endif // !defined(BOOST_ASIO_HEADER_ONLY)
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#if defined(BOOST_ASIO_HEADER_ONLY)
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# define BOOST_ASIO_DECL inline
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#else // defined(BOOST_ASIO_HEADER_ONLY)
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# if defined(BOOST_HAS_DECLSPEC)
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// We need to import/export our code only if the user has specifically asked
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// for it by defining BOOST_ASIO_DYN_LINK.
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# if defined(BOOST_ASIO_DYN_LINK)
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// Export if this is our own source, otherwise import.
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# if defined(BOOST_ASIO_SOURCE)
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# define BOOST_ASIO_DECL __declspec(dllexport)
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# else // defined(BOOST_ASIO_SOURCE)
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# define BOOST_ASIO_DECL __declspec(dllimport)
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# endif // defined(BOOST_ASIO_SOURCE)
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# endif // defined(BOOST_ASIO_DYN_LINK)
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# endif // defined(BOOST_HAS_DECLSPEC)
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#endif // defined(BOOST_ASIO_HEADER_ONLY)
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// If BOOST_ASIO_DECL isn't defined yet define it now.
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#if !defined(BOOST_ASIO_DECL)
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# define BOOST_ASIO_DECL
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#endif // !defined(BOOST_ASIO_DECL)
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// Support move construction and assignment on compilers known to allow it.
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#if !defined(BOOST_ASIO_DISABLE_MOVE)
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# if defined(__GNUC__)
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# if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 5)) || (__GNUC__ > 4)
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# if defined(__GXX_EXPERIMENTAL_CXX0X__)
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# define BOOST_ASIO_HAS_MOVE
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# endif // defined(__GXX_EXPERIMENTAL_CXX0X__)
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# endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 5)) || (__GNUC__ > 4)
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# endif // defined(__GNUC__)
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#endif // !defined(BOOST_ASIO_DISABLE_MOVE)
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// If BOOST_ASIO_MOVE_CAST isn't defined, and move support is available, define
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// BOOST_ASIO_MOVE_ARG and BOOST_ASIO_MOVE_CAST to take advantage of rvalue
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// references and perfect forwarding.
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#if defined(BOOST_ASIO_HAS_MOVE) && !defined(BOOST_ASIO_MOVE_CAST)
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# define BOOST_ASIO_MOVE_ARG(type) type&&
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# define BOOST_ASIO_MOVE_CAST(type) static_cast<type&&>
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#endif // defined(BOOST_ASIO_HAS_MOVE) && !defined(BOOST_ASIO_MOVE_CAST)
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// If BOOST_ASIO_MOVE_CAST still isn't defined, default to a C++03-compatible
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// implementation. Note that older g++ and MSVC versions don't like it when you
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// pass a non-member function through a const reference, so for most compilers
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// we'll play it safe and stick with the old approach of passing the handler by
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// value.
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#if !defined(BOOST_ASIO_MOVE_CAST)
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# if defined(__GNUC__)
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# if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 1)) || (__GNUC__ > 4)
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# define BOOST_ASIO_MOVE_ARG(type) const type&
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# else // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 1)) || (__GNUC__ > 4)
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# define BOOST_ASIO_MOVE_ARG(type) type
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# endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 1)) || (__GNUC__ > 4)
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# elif defined(BOOST_MSVC)
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# if (_MSC_VER >= 1400)
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# define BOOST_ASIO_MOVE_ARG(type) const type&
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# else // (_MSC_VER >= 1400)
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# define BOOST_ASIO_MOVE_ARG(type) type
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# endif // (_MSC_VER >= 1400)
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# else
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# define BOOST_ASIO_MOVE_ARG(type) type
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# endif
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# define BOOST_ASIO_MOVE_CAST(type) static_cast<const type&>
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#endif // !defined_BOOST_ASIO_MOVE_CAST
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// Support variadic templates on compilers known to allow it.
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#if !defined(BOOST_ASIO_DISABLE_VARIADIC_TEMPLATES)
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# if defined(__GNUC__)
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# if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 4)
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# if defined(__GXX_EXPERIMENTAL_CXX0X__)
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# define BOOST_ASIO_HAS_VARIADIC_TEMPLATES
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# endif // defined(__GXX_EXPERIMENTAL_CXX0X__)
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# endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 4)
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# endif // defined(__GNUC__)
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#endif // !defined(BOOST_ASIO_DISABLE_VARIADIC_TEMPLATES)
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// Standard library support for system errors.
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#if !defined(BOOST_ASIO_DISABLE_STD_SYSTEM_ERROR)
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# if defined(__GNUC__)
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# if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 6)) || (__GNUC__ > 4)
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# if defined(__GXX_EXPERIMENTAL_CXX0X__)
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# define BOOST_ASIO_HAS_STD_SYSTEM_ERROR
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# endif // defined(__GXX_EXPERIMENTAL_CXX0X__)
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# endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 6)) || (__GNUC__ > 4)
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# endif // defined(__GNUC__)
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#endif // !defined(BOOST_ASIO_DISABLE_STD_SYSTEM_ERROR)
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// Standard library support for arrays.
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#if !defined(BOOST_ASIO_DISABLE_STD_ARRAY)
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# if defined(__GNUC__)
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# if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 4)
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# if defined(__GXX_EXPERIMENTAL_CXX0X__)
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# define BOOST_ASIO_HAS_STD_ARRAY
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# endif // defined(__GXX_EXPERIMENTAL_CXX0X__)
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# endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 4)
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# endif // defined(__GNUC__)
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# if defined(BOOST_MSVC)
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# if (_MSC_VER >= 1600)
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# define BOOST_ASIO_HAS_STD_ARRAY
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# endif // (_MSC_VER >= 1600)
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# endif // defined(BOOST_MSVC)
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#endif // !defined(BOOST_ASIO_DISABLE_STD_ARRAY)
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// Standard library support for shared_ptr and weak_ptr.
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#if !defined(BOOST_ASIO_DISABLE_STD_SHARED_PTR)
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# if defined(__GNUC__)
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# if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 4)
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# if defined(__GXX_EXPERIMENTAL_CXX0X__)
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# define BOOST_ASIO_HAS_STD_SHARED_PTR
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# endif // defined(__GXX_EXPERIMENTAL_CXX0X__)
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# endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 4)
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# endif // defined(__GNUC__)
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# if defined(BOOST_MSVC)
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# if (_MSC_VER >= 1600)
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# define BOOST_ASIO_HAS_STD_SHARED_PTR
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# endif // (_MSC_VER >= 1600)
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# endif // defined(BOOST_MSVC)
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#endif // !defined(BOOST_ASIO_DISABLE_STD_SHARED_PTR)
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// Standard library support for atomic operations.
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#if !defined(BOOST_ASIO_DISABLE_STD_ATOMIC)
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# if defined(__GNUC__)
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# if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 5)) || (__GNUC__ > 4)
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# if defined(__GXX_EXPERIMENTAL_CXX0X__)
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# define BOOST_ASIO_HAS_STD_ATOMIC
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# endif // defined(__GXX_EXPERIMENTAL_CXX0X__)
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# endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 5)) || (__GNUC__ > 4)
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# endif // defined(__GNUC__)
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#endif // !defined(BOOST_ASIO_DISABLE_STD_ATOMIC)
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// Windows: target OS version.
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#if defined(BOOST_WINDOWS) || defined(__CYGWIN__)
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# if !defined(_WIN32_WINNT) && !defined(_WIN32_WINDOWS)
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# if defined(_MSC_VER) || defined(__BORLANDC__)
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# pragma message( \
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"Please define _WIN32_WINNT or _WIN32_WINDOWS appropriately. For example:\n"\
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"- add -D_WIN32_WINNT=0x0501 to the compiler command line; or\n"\
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"- add _WIN32_WINNT=0x0501 to your project's Preprocessor Definitions.\n"\
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"Assuming _WIN32_WINNT=0x0501 (i.e. Windows XP target).")
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# else // defined(_MSC_VER) || defined(__BORLANDC__)
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# warning Please define _WIN32_WINNT or _WIN32_WINDOWS appropriately.
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# warning For example, add -D_WIN32_WINNT=0x0501 to the compiler command line.
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# warning Assuming _WIN32_WINNT=0x0501 (i.e. Windows XP target).
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# endif // defined(_MSC_VER) || defined(__BORLANDC__)
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# define _WIN32_WINNT 0x0501
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# endif // !defined(_WIN32_WINNT) && !defined(_WIN32_WINDOWS)
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# if defined(_MSC_VER)
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# if defined(_WIN32) && !defined(WIN32)
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# if !defined(_WINSOCK2API_)
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# define WIN32 // Needed for correct types in winsock2.h
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# else // !defined(_WINSOCK2API_)
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# error Please define the macro WIN32 in your compiler options
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# endif // !defined(_WINSOCK2API_)
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# endif // defined(_WIN32) && !defined(WIN32)
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# endif // defined(_MSC_VER)
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# if defined(__BORLANDC__)
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# if defined(__WIN32__) && !defined(WIN32)
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# if !defined(_WINSOCK2API_)
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# define WIN32 // Needed for correct types in winsock2.h
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# else // !defined(_WINSOCK2API_)
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# error Please define the macro WIN32 in your compiler options
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# endif // !defined(_WINSOCK2API_)
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# endif // defined(__WIN32__) && !defined(WIN32)
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# endif // defined(__BORLANDC__)
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# if defined(__CYGWIN__)
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# if !defined(__USE_W32_SOCKETS)
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# error You must add -D__USE_W32_SOCKETS to your compiler options.
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# endif // !defined(__USE_W32_SOCKETS)
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# endif // defined(__CYGWIN__)
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#endif // defined(BOOST_WINDOWS) || defined(__CYGWIN__)
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// Windows: minimise header inclusion.
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#if defined(BOOST_WINDOWS) || defined(__CYGWIN__)
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# if !defined(BOOST_ASIO_NO_WIN32_LEAN_AND_MEAN)
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# if !defined(WIN32_LEAN_AND_MEAN)
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# define WIN32_LEAN_AND_MEAN
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# endif // !defined(WIN32_LEAN_AND_MEAN)
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# endif // !defined(BOOST_ASIO_NO_WIN32_LEAN_AND_MEAN)
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#endif // defined(BOOST_WINDOWS) || defined(__CYGWIN__)
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// Windows: suppress definition of "min" and "max" macros.
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#if defined(BOOST_WINDOWS) || defined(__CYGWIN__)
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# if !defined(BOOST_ASIO_NO_NOMINMAX)
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# if !defined(NOMINMAX)
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# define NOMINMAX 1
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# endif // !defined(NOMINMAX)
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# endif // !defined(BOOST_ASIO_NO_NOMINMAX)
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#endif // defined(BOOST_WINDOWS) || defined(__CYGWIN__)
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// Windows: IO Completion Ports.
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#if defined(BOOST_WINDOWS) || defined(__CYGWIN__)
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# if defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0400)
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# if !defined(UNDER_CE)
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# if !defined(BOOST_ASIO_DISABLE_IOCP)
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# define BOOST_ASIO_HAS_IOCP 1
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# endif // !defined(BOOST_ASIO_DISABLE_IOCP)
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# endif // !defined(UNDER_CE)
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# endif // defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0400)
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#endif // defined(BOOST_WINDOWS) || defined(__CYGWIN__)
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// Linux: epoll, eventfd and timerfd.
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#if defined(__linux__)
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# include <linux/version.h>
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# if !defined(BOOST_ASIO_DISABLE_EPOLL)
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# if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,45)
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# define BOOST_ASIO_HAS_EPOLL 1
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# endif // LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,45)
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# endif // !defined(BOOST_ASIO_DISABLE_EVENTFD)
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# if !defined(BOOST_ASIO_DISABLE_EVENTFD)
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# if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
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# define BOOST_ASIO_HAS_EVENTFD 1
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# endif // LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
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# endif // !defined(BOOST_ASIO_DISABLE_EVENTFD)
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# if defined(BOOST_ASIO_HAS_EPOLL)
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# if (__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 8)
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# define BOOST_ASIO_HAS_TIMERFD 1
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# endif // (__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 8)
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# endif // defined(BOOST_ASIO_HAS_EPOLL)
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#endif // defined(__linux__)
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// Mac OS X, FreeBSD, NetBSD, OpenBSD: kqueue.
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#if (defined(__MACH__) && defined(__APPLE__)) \
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|| defined(__FreeBSD__) \
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|| defined(__NetBSD__) \
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|| defined(__OpenBSD__)
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# if !defined(BOOST_ASIO_DISABLE_KQUEUE)
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# define BOOST_ASIO_HAS_KQUEUE 1
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# endif // !defined(BOOST_ASIO_DISABLE_KQUEUE)
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#endif // (defined(__MACH__) && defined(__APPLE__))
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// || defined(__FreeBSD__)
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// || defined(__NetBSD__)
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// || defined(__OpenBSD__)
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// Solaris: /dev/poll.
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#if defined(__sun)
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# if !defined(BOOST_ASIO_DISABLE_DEV_POLL)
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# define BOOST_ASIO_HAS_DEV_POLL 1
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# endif // !defined(BOOST_ASIO_DISABLE_DEV_POLL)
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#endif // defined(__sun)
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// Serial ports.
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#if defined(BOOST_ASIO_HAS_IOCP) \
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|| !defined(BOOST_WINDOWS) && !defined(__CYGWIN__)
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# if !defined(__SYMBIAN32__)
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# if !defined(BOOST_ASIO_DISABLE_SERIAL_PORT)
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# define BOOST_ASIO_HAS_SERIAL_PORT 1
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# endif // !defined(BOOST_ASIO_DISABLE_SERIAL_PORT)
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# endif // !defined(__SYMBIAN32__)
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#endif // defined(BOOST_ASIO_HAS_IOCP)
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// || !defined(BOOST_WINDOWS) && !defined(__CYGWIN__)
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// Windows: stream handles.
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#if !defined(BOOST_ASIO_DISABLE_WINDOWS_STREAM_HANDLE)
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# if defined(BOOST_ASIO_HAS_IOCP)
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# define BOOST_ASIO_HAS_WINDOWS_STREAM_HANDLE 1
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# endif // defined(BOOST_ASIO_HAS_IOCP)
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#endif // !defined(BOOST_ASIO_DISABLE_WINDOWS_STREAM_HANDLE)
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// Windows: random access handles.
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#if !defined(BOOST_ASIO_DISABLE_WINDOWS_RANDOM_ACCESS_HANDLE)
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# if defined(BOOST_ASIO_HAS_IOCP)
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# define BOOST_ASIO_HAS_WINDOWS_RANDOM_ACCESS_HANDLE 1
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# endif // defined(BOOST_ASIO_HAS_IOCP)
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#endif // !defined(BOOST_ASIO_DISABLE_WINDOWS_RANDOM_ACCESS_HANDLE)
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// Windows: OVERLAPPED wrapper.
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#if !defined(BOOST_ASIO_DISABLE_WINDOWS_OVERLAPPED_PTR)
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# if defined(BOOST_ASIO_HAS_IOCP)
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# define BOOST_ASIO_HAS_WINDOWS_OVERLAPPED_PTR 1
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# endif // defined(BOOST_ASIO_HAS_IOCP)
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#endif // !defined(BOOST_ASIO_DISABLE_WINDOWS_OVERLAPPED_PTR)
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// POSIX: stream-oriented file descriptors.
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#if !defined(BOOST_ASIO_DISABLE_POSIX_STREAM_DESCRIPTOR)
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# if !defined(BOOST_WINDOWS) && !defined(__CYGWIN__)
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# define BOOST_ASIO_HAS_POSIX_STREAM_DESCRIPTOR 1
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# endif // !defined(BOOST_WINDOWS) && !defined(__CYGWIN__)
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#endif // !defined(BOOST_ASIO_DISABLE_POSIX_STREAM_DESCRIPTOR)
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// UNIX domain sockets.
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#if !defined(BOOST_ASIO_DISABLE_LOCAL_SOCKETS)
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# if !defined(BOOST_WINDOWS) && !defined(__CYGWIN__)
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# define BOOST_ASIO_HAS_LOCAL_SOCKETS 1
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# endif // !defined(BOOST_WINDOWS) && !defined(__CYGWIN__)
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#endif // !defined(BOOST_ASIO_DISABLE_LOCAL_SOCKETS)
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// Can use sigaction() instead of signal().
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#if !defined(BOOST_ASIO_DISABLE_SIGACTION)
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# if !defined(BOOST_WINDOWS) && !defined(__CYGWIN__)
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# define BOOST_ASIO_HAS_SIGACTION 1
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# endif // !defined(BOOST_WINDOWS) && !defined(__CYGWIN__)
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#endif // !defined(BOOST_ASIO_DISABLE_SIGACTION)
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// Can use signal().
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#if !defined(BOOST_ASIO_DISABLE_SIGNAL)
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# if !defined(UNDER_CE)
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# define BOOST_ASIO_HAS_SIGNAL 1
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# endif // !defined(UNDER_CE)
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#endif // !defined(BOOST_ASIO_DISABLE_SIGNAL)
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#endif // BOOST_ASIO_DETAIL_CONFIG_HPP
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