boost/serialization/force_include.hpp
#ifndef BOOST_SERIALIZATION_FORCE_INCLUDE_HPP #define BOOST_SERIALIZATION_FORCE_INCLUDE_HPP // MS compatible compilers support #pragma once #if defined(_MSC_VER) && (_MSC_VER >= 1020) # pragma once #endif /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 // force_include.hpp: // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com . // Use, modification and distribution is subject to 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) // See http://www.boost.org for updates, documentation, and revision history. // implementation of class export functionality. This is an alternative to // "forward declaration" method to provoke instantiation of derived classes // that are to be serialized through pointers. #include <boost/config.hpp> // the following help macro is to guarentee that certain coded // is not removed by over-eager linker optimiser. In certain cases // we create static objects must be created but are actually never // referenced - creation has a side-effect such as global registration // which is important to us. We make an effort to refer these objects // so that a smart linker won't remove them as being unreferenced. // In microsoft compilers, inlining the code that does the referring // means the code gets lost and the static object is not included // in the library and hence never registered. This manifests itself // in an ungraceful crash at runtime when (and only when) built in // release mode. #if defined(BOOST_HAS_DECLSPEC) && !defined(__COMO__) # if defined(__BORLANDC__) # define BOOST_DLLEXPORT __export # else # define BOOST_DLLEXPORT __declspec(dllexport) # endif #elif ! defined(_WIN32) && ! defined(_WIN64) # if defined(__MWERKS__) # // define BOOST_USED __attribute__ ((used)) # elif defined(__GNUC__) && (__GNUC__ >= 3) # define BOOST_USED __attribute__ ((used)) # elif defined(__INTEL_COMPILER) && (BOOST_INTEL_CXX_VERSION >= 800) # define BOOST_USED __attribute__ ((used)) # endif #endif #ifndef BOOST_USED # define BOOST_USED #endif #ifndef BOOST_DLLEXPORT # define BOOST_DLLEXPORT #endif #endif // BOOST_SERIALIZATION_FORCE_INCLUDE_HPP