boost/asio/detail/config.hpp
// // detail/config.hpp // ~~~~~~~~~~~~~~~~~ // // Copyright (c) 2003-2012 Christopher M. Kohlhoff (chris at kohlhoff dot com) // // 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_ASIO_DETAIL_CONFIG_HPP #define BOOST_ASIO_DETAIL_CONFIG_HPP #include <boost/config.hpp> #include <boost/version.hpp> // Default to a header-only implementation. The user must specifically request // separate compilation by defining either BOOST_ASIO_SEPARATE_COMPILATION or // BOOST_ASIO_DYN_LINK (as a DLL/shared library implies separate compilation). #if !defined(BOOST_ASIO_HEADER_ONLY) # if !defined(BOOST_ASIO_SEPARATE_COMPILATION) # if !defined(BOOST_ASIO_DYN_LINK) # define BOOST_ASIO_HEADER_ONLY # endif // !defined(BOOST_ASIO_DYN_LINK) # endif // !defined(BOOST_ASIO_SEPARATE_COMPILATION) #endif // !defined(BOOST_ASIO_HEADER_ONLY) #if defined(BOOST_ASIO_HEADER_ONLY) # define BOOST_ASIO_DECL inline #else // defined(BOOST_ASIO_HEADER_ONLY) # if defined(BOOST_HAS_DECLSPEC) // We need to import/export our code only if the user has specifically asked // for it by defining BOOST_ASIO_DYN_LINK. # if defined(BOOST_ASIO_DYN_LINK) // Export if this is our own source, otherwise import. # if defined(BOOST_ASIO_SOURCE) # define BOOST_ASIO_DECL __declspec(dllexport) # else // defined(BOOST_ASIO_SOURCE) # define BOOST_ASIO_DECL __declspec(dllimport) # endif // defined(BOOST_ASIO_SOURCE) # endif // defined(BOOST_ASIO_DYN_LINK) # endif // defined(BOOST_HAS_DECLSPEC) #endif // defined(BOOST_ASIO_HEADER_ONLY) // If BOOST_ASIO_DECL isn't defined yet define it now. #if !defined(BOOST_ASIO_DECL) # define BOOST_ASIO_DECL #endif // !defined(BOOST_ASIO_DECL) // Support move construction and assignment on compilers known to allow it. #if !defined(BOOST_ASIO_DISABLE_MOVE) # if defined(__GNUC__) # if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 5)) || (__GNUC__ > 4) # if defined(__GXX_EXPERIMENTAL_CXX0X__) # define BOOST_ASIO_HAS_MOVE # endif // defined(__GXX_EXPERIMENTAL_CXX0X__) # endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 5)) || (__GNUC__ > 4) # endif // defined(__GNUC__) #endif // !defined(BOOST_ASIO_DISABLE_MOVE) // If BOOST_ASIO_MOVE_CAST isn't defined, and move support is available, define // BOOST_ASIO_MOVE_ARG and BOOST_ASIO_MOVE_CAST to take advantage of rvalue // references and perfect forwarding. #if defined(BOOST_ASIO_HAS_MOVE) && !defined(BOOST_ASIO_MOVE_CAST) # define BOOST_ASIO_MOVE_ARG(type) type&& # define BOOST_ASIO_MOVE_CAST(type) static_cast<type&&> #endif // defined(BOOST_ASIO_HAS_MOVE) && !defined(BOOST_ASIO_MOVE_CAST) // If BOOST_ASIO_MOVE_CAST still isn't defined, default to a C++03-compatible // implementation. Note that older g++ and MSVC versions don't like it when you // pass a non-member function through a const reference, so for most compilers // we'll play it safe and stick with the old approach of passing the handler by // value. #if !defined(BOOST_ASIO_MOVE_CAST) # if defined(__GNUC__) # if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 1)) || (__GNUC__ > 4) # define BOOST_ASIO_MOVE_ARG(type) const type& # else // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 1)) || (__GNUC__ > 4) # define BOOST_ASIO_MOVE_ARG(type) type # endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 1)) || (__GNUC__ > 4) # elif defined(BOOST_MSVC) # if (_MSC_VER >= 1400) # define BOOST_ASIO_MOVE_ARG(type) const type& # else // (_MSC_VER >= 1400) # define BOOST_ASIO_MOVE_ARG(type) type # endif // (_MSC_VER >= 1400) # else # define BOOST_ASIO_MOVE_ARG(type) type # endif # define BOOST_ASIO_MOVE_CAST(type) static_cast<const type&> #endif // !defined_BOOST_ASIO_MOVE_CAST // Support variadic templates on compilers known to allow it. #if !defined(BOOST_ASIO_DISABLE_VARIADIC_TEMPLATES) # if defined(__GNUC__) # if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 4) # if defined(__GXX_EXPERIMENTAL_CXX0X__) # define BOOST_ASIO_HAS_VARIADIC_TEMPLATES # endif // defined(__GXX_EXPERIMENTAL_CXX0X__) # endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 4) # endif // defined(__GNUC__) #endif // !defined(BOOST_ASIO_DISABLE_VARIADIC_TEMPLATES) // Standard library support for system errors. #if !defined(BOOST_ASIO_DISABLE_STD_SYSTEM_ERROR) # if defined(__GNUC__) # if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 6)) || (__GNUC__ > 4) # if defined(__GXX_EXPERIMENTAL_CXX0X__) # define BOOST_ASIO_HAS_STD_SYSTEM_ERROR # endif // defined(__GXX_EXPERIMENTAL_CXX0X__) # endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 6)) || (__GNUC__ > 4) # endif // defined(__GNUC__) #endif // !defined(BOOST_ASIO_DISABLE_STD_SYSTEM_ERROR) // Standard library support for arrays. #if !defined(BOOST_ASIO_DISABLE_STD_ARRAY) # if defined(__GNUC__) # if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 4) # if defined(__GXX_EXPERIMENTAL_CXX0X__) # define BOOST_ASIO_HAS_STD_ARRAY # endif // defined(__GXX_EXPERIMENTAL_CXX0X__) # endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 4) # endif // defined(__GNUC__) # if defined(BOOST_MSVC) # if (_MSC_VER >= 1600) # define BOOST_ASIO_HAS_STD_ARRAY # endif // (_MSC_VER >= 1600) # endif // defined(BOOST_MSVC) #endif // !defined(BOOST_ASIO_DISABLE_STD_ARRAY) // Standard library support for shared_ptr and weak_ptr. #if !defined(BOOST_ASIO_DISABLE_STD_SHARED_PTR) # if defined(__GNUC__) # if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 4) # if defined(__GXX_EXPERIMENTAL_CXX0X__) # define BOOST_ASIO_HAS_STD_SHARED_PTR # endif // defined(__GXX_EXPERIMENTAL_CXX0X__) # endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 4) # endif // defined(__GNUC__) # if defined(BOOST_MSVC) # if (_MSC_VER >= 1600) # define BOOST_ASIO_HAS_STD_SHARED_PTR # endif // (_MSC_VER >= 1600) # endif // defined(BOOST_MSVC) #endif // !defined(BOOST_ASIO_DISABLE_STD_SHARED_PTR) // Standard library support for atomic operations. #if !defined(BOOST_ASIO_DISABLE_STD_ATOMIC) # if defined(__GNUC__) # if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 5)) || (__GNUC__ > 4) # if defined(__GXX_EXPERIMENTAL_CXX0X__) # define BOOST_ASIO_HAS_STD_ATOMIC # endif // defined(__GXX_EXPERIMENTAL_CXX0X__) # endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 5)) || (__GNUC__ > 4) # endif // defined(__GNUC__) #endif // !defined(BOOST_ASIO_DISABLE_STD_ATOMIC) // Standard library support for chrono. Some standard libraries (such as the // libstdc++ shipped with gcc 4.6) provide monotonic_clock as per early C++0x // drafts, rather than the eventually standardised name of steady_clock. #if !defined(BOOST_ASIO_DISABLE_STD_CHRONO) # if defined(__GNUC__) # if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 6)) || (__GNUC__ > 4) # if defined(__GXX_EXPERIMENTAL_CXX0X__) # define BOOST_ASIO_HAS_STD_CHRONO # define BOOST_ASIO_HAS_STD_CHRONO_MONOTONIC_CLOCK # endif // defined(__GXX_EXPERIMENTAL_CXX0X__) # endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 6)) || (__GNUC__ > 4) # endif // defined(__GNUC__) #endif // !defined(BOOST_ASIO_DISABLE_STD_CHRONO) // Boost support for chrono. #if !defined(BOOST_ASIO_DISABLE_BOOST_CHRONO) # if (BOOST_VERSION >= 104700) # define BOOST_ASIO_HAS_BOOST_CHRONO # endif // (BOOST_VERSION >= 104700) #endif // !defined(BOOST_ASIO_DISABLE_BOOST_CHRONO) // Windows: target OS version. #if defined(BOOST_WINDOWS) || defined(__CYGWIN__) # if !defined(_WIN32_WINNT) && !defined(_WIN32_WINDOWS) # if defined(_MSC_VER) || defined(__BORLANDC__) # pragma message( \ "Please define _WIN32_WINNT or _WIN32_WINDOWS appropriately. For example:\n"\ "- add -D_WIN32_WINNT=0x0501 to the compiler command line; or\n"\ "- add _WIN32_WINNT=0x0501 to your project's Preprocessor Definitions.\n"\ "Assuming _WIN32_WINNT=0x0501 (i.e. Windows XP target).") # else // defined(_MSC_VER) || defined(__BORLANDC__) # warning Please define _WIN32_WINNT or _WIN32_WINDOWS appropriately. # warning For example, add -D_WIN32_WINNT=0x0501 to the compiler command line. # warning Assuming _WIN32_WINNT=0x0501 (i.e. Windows XP target). # endif // defined(_MSC_VER) || defined(__BORLANDC__) # define _WIN32_WINNT 0x0501 # endif // !defined(_WIN32_WINNT) && !defined(_WIN32_WINDOWS) # if defined(_MSC_VER) # if defined(_WIN32) && !defined(WIN32) # if !defined(_WINSOCK2API_) # define WIN32 // Needed for correct types in winsock2.h # else // !defined(_WINSOCK2API_) # error Please define the macro WIN32 in your compiler options # endif // !defined(_WINSOCK2API_) # endif // defined(_WIN32) && !defined(WIN32) # endif // defined(_MSC_VER) # if defined(__BORLANDC__) # if defined(__WIN32__) && !defined(WIN32) # if !defined(_WINSOCK2API_) # define WIN32 // Needed for correct types in winsock2.h # else // !defined(_WINSOCK2API_) # error Please define the macro WIN32 in your compiler options # endif // !defined(_WINSOCK2API_) # endif // defined(__WIN32__) && !defined(WIN32) # endif // defined(__BORLANDC__) # if defined(__CYGWIN__) # if !defined(__USE_W32_SOCKETS) # error You must add -D__USE_W32_SOCKETS to your compiler options. # endif // !defined(__USE_W32_SOCKETS) # endif // defined(__CYGWIN__) #endif // defined(BOOST_WINDOWS) || defined(__CYGWIN__) // Windows: minimise header inclusion. #if defined(BOOST_WINDOWS) || defined(__CYGWIN__) # if !defined(BOOST_ASIO_NO_WIN32_LEAN_AND_MEAN) # if !defined(WIN32_LEAN_AND_MEAN) # define WIN32_LEAN_AND_MEAN # endif // !defined(WIN32_LEAN_AND_MEAN) # endif // !defined(BOOST_ASIO_NO_WIN32_LEAN_AND_MEAN) #endif // defined(BOOST_WINDOWS) || defined(__CYGWIN__) // Windows: suppress definition of "min" and "max" macros. #if defined(BOOST_WINDOWS) || defined(__CYGWIN__) # if !defined(BOOST_ASIO_NO_NOMINMAX) # if !defined(NOMINMAX) # define NOMINMAX 1 # endif // !defined(NOMINMAX) # endif // !defined(BOOST_ASIO_NO_NOMINMAX) #endif // defined(BOOST_WINDOWS) || defined(__CYGWIN__) // Windows: IO Completion Ports. #if defined(BOOST_WINDOWS) || defined(__CYGWIN__) # if defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0400) # if !defined(UNDER_CE) # if !defined(BOOST_ASIO_DISABLE_IOCP) # define BOOST_ASIO_HAS_IOCP 1 # endif // !defined(BOOST_ASIO_DISABLE_IOCP) # endif // !defined(UNDER_CE) # endif // defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0400) #endif // defined(BOOST_WINDOWS) || defined(__CYGWIN__) // Linux: epoll, eventfd and timerfd. #if defined(__linux__) # include <linux/version.h> # if !defined(BOOST_ASIO_DISABLE_EPOLL) # if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,45) # define BOOST_ASIO_HAS_EPOLL 1 # endif // LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,45) # endif // !defined(BOOST_ASIO_DISABLE_EVENTFD) # if !defined(BOOST_ASIO_DISABLE_EVENTFD) # if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22) # define BOOST_ASIO_HAS_EVENTFD 1 # endif // LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22) # endif // !defined(BOOST_ASIO_DISABLE_EVENTFD) # if defined(BOOST_ASIO_HAS_EPOLL) # if (__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 8) # define BOOST_ASIO_HAS_TIMERFD 1 # endif // (__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 8) # endif // defined(BOOST_ASIO_HAS_EPOLL) #endif // defined(__linux__) // Mac OS X, FreeBSD, NetBSD, OpenBSD: kqueue. #if (defined(__MACH__) && defined(__APPLE__)) \ || defined(__FreeBSD__) \ || defined(__NetBSD__) \ || defined(__OpenBSD__) # if !defined(BOOST_ASIO_DISABLE_KQUEUE) # define BOOST_ASIO_HAS_KQUEUE 1 # endif // !defined(BOOST_ASIO_DISABLE_KQUEUE) #endif // (defined(__MACH__) && defined(__APPLE__)) // || defined(__FreeBSD__) // || defined(__NetBSD__) // || defined(__OpenBSD__) // Solaris: /dev/poll. #if defined(__sun) # if !defined(BOOST_ASIO_DISABLE_DEV_POLL) # define BOOST_ASIO_HAS_DEV_POLL 1 # endif // !defined(BOOST_ASIO_DISABLE_DEV_POLL) #endif // defined(__sun) // Serial ports. #if defined(BOOST_ASIO_HAS_IOCP) \ || !defined(BOOST_WINDOWS) && !defined(__CYGWIN__) # if !defined(__SYMBIAN32__) # if !defined(BOOST_ASIO_DISABLE_SERIAL_PORT) # define BOOST_ASIO_HAS_SERIAL_PORT 1 # endif // !defined(BOOST_ASIO_DISABLE_SERIAL_PORT) # endif // !defined(__SYMBIAN32__) #endif // defined(BOOST_ASIO_HAS_IOCP) // || !defined(BOOST_WINDOWS) && !defined(__CYGWIN__) // Windows: stream handles. #if !defined(BOOST_ASIO_DISABLE_WINDOWS_STREAM_HANDLE) # if defined(BOOST_ASIO_HAS_IOCP) # define BOOST_ASIO_HAS_WINDOWS_STREAM_HANDLE 1 # endif // defined(BOOST_ASIO_HAS_IOCP) #endif // !defined(BOOST_ASIO_DISABLE_WINDOWS_STREAM_HANDLE) // Windows: random access handles. #if !defined(BOOST_ASIO_DISABLE_WINDOWS_RANDOM_ACCESS_HANDLE) # if defined(BOOST_ASIO_HAS_IOCP) # define BOOST_ASIO_HAS_WINDOWS_RANDOM_ACCESS_HANDLE 1 # endif // defined(BOOST_ASIO_HAS_IOCP) #endif // !defined(BOOST_ASIO_DISABLE_WINDOWS_RANDOM_ACCESS_HANDLE) // Windows: object handles. #if !defined(BOOST_ASIO_DISABLE_WINDOWS_OBJECT_HANDLE) # if defined(BOOST_WINDOWS) || defined(__CYGWIN__) # if !defined(UNDER_CE) # define BOOST_ASIO_HAS_WINDOWS_OBJECT_HANDLE 1 # endif // !defined(UNDER_CE) # endif // defined(BOOST_WINDOWS) || defined(__CYGWIN__) #endif // !defined(BOOST_ASIO_DISABLE_WINDOWS_OBJECT_HANDLE) // Windows: OVERLAPPED wrapper. #if !defined(BOOST_ASIO_DISABLE_WINDOWS_OVERLAPPED_PTR) # if defined(BOOST_ASIO_HAS_IOCP) # define BOOST_ASIO_HAS_WINDOWS_OVERLAPPED_PTR 1 # endif // defined(BOOST_ASIO_HAS_IOCP) #endif // !defined(BOOST_ASIO_DISABLE_WINDOWS_OVERLAPPED_PTR) // POSIX: stream-oriented file descriptors. #if !defined(BOOST_ASIO_DISABLE_POSIX_STREAM_DESCRIPTOR) # if !defined(BOOST_WINDOWS) && !defined(__CYGWIN__) # define BOOST_ASIO_HAS_POSIX_STREAM_DESCRIPTOR 1 # endif // !defined(BOOST_WINDOWS) && !defined(__CYGWIN__) #endif // !defined(BOOST_ASIO_DISABLE_POSIX_STREAM_DESCRIPTOR) // UNIX domain sockets. #if !defined(BOOST_ASIO_DISABLE_LOCAL_SOCKETS) # if !defined(BOOST_WINDOWS) && !defined(__CYGWIN__) # define BOOST_ASIO_HAS_LOCAL_SOCKETS 1 # endif // !defined(BOOST_WINDOWS) && !defined(__CYGWIN__) #endif // !defined(BOOST_ASIO_DISABLE_LOCAL_SOCKETS) // Can use sigaction() instead of signal(). #if !defined(BOOST_ASIO_DISABLE_SIGACTION) # if !defined(BOOST_WINDOWS) && !defined(__CYGWIN__) # define BOOST_ASIO_HAS_SIGACTION 1 # endif // !defined(BOOST_WINDOWS) && !defined(__CYGWIN__) #endif // !defined(BOOST_ASIO_DISABLE_SIGACTION) // Can use signal(). #if !defined(BOOST_ASIO_DISABLE_SIGNAL) # if !defined(UNDER_CE) # define BOOST_ASIO_HAS_SIGNAL 1 # endif // !defined(UNDER_CE) #endif // !defined(BOOST_ASIO_DISABLE_SIGNAL) #endif // BOOST_ASIO_DETAIL_CONFIG_HPP