| 1 | #ifndef BOOST_SERIALIZATION_FORCE_INCLUDE_HPP |
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| 2 | #define BOOST_SERIALIZATION_FORCE_INCLUDE_HPP |
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| 3 | |
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| 4 | // MS compatible compilers support #pragma once |
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| 5 | #if defined(_MSC_VER) && (_MSC_VER >= 1020) |
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| 6 | # pragma once |
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| 7 | #endif |
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| 8 | |
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| 9 | /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 |
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| 10 | // force_include.hpp: |
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| 11 | |
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| 12 | // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com . |
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| 13 | // Use, modification and distribution is subject to the Boost Software |
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| 14 | // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
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| 15 | // http://www.boost.org/LICENSE_1_0.txt) |
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| 16 | |
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| 17 | // See http://www.boost.org for updates, documentation, and revision history. |
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| 18 | |
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| 19 | // implementation of class export functionality. This is an alternative to |
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| 20 | // "forward declaration" method to provoke instantiation of derived classes |
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| 21 | // that are to be serialized through pointers. |
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| 22 | |
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| 23 | #include <boost/config.hpp> |
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| 24 | |
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| 25 | // the following help macro is to guarentee that certain coded |
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| 26 | // is not removed by over-eager linker optimiser. In certain cases |
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| 27 | // we create static objects must be created but are actually never |
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| 28 | // referenced - creation has a side-effect such as global registration |
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| 29 | // which is important to us. We make an effort to refer these objects |
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| 30 | // so that a smart linker won't remove them as being unreferenced. |
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| 31 | // In microsoft compilers, inlining the code that does the referring |
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| 32 | // means the code gets lost and the static object is not included |
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| 33 | // in the library and hence never registered. This manifests itself |
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| 34 | // in an ungraceful crash at runtime when (and only when) built in |
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| 35 | // release mode. |
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| 36 | |
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| 37 | #if defined(BOOST_HAS_DECLSPEC) && !defined(__COMO__) |
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| 38 | # if defined(__BORLANDC__) |
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| 39 | # define BOOST_DLLEXPORT __export |
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| 40 | # else |
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| 41 | # define BOOST_DLLEXPORT __declspec(dllexport) |
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| 42 | # endif |
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| 43 | #elif ! defined(_WIN32) && ! defined(_WIN64) |
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| 44 | # if defined(__MWERKS__) |
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| 45 | # // define BOOST_USED __attribute__ ((used)) |
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| 46 | # elif defined(__GNUC__) && (__GNUC__ >= 3) |
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| 47 | # define BOOST_USED __attribute__ ((used)) |
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| 48 | # elif defined(__INTEL_COMPILER) && (BOOST_INTEL_CXX_VERSION >= 800) |
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| 49 | # define BOOST_USED __attribute__ ((used)) |
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| 50 | # endif |
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| 51 | #endif |
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| 52 | |
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| 53 | #ifndef BOOST_USED |
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| 54 | # define BOOST_USED |
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| 55 | #endif |
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| 56 | |
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| 57 | #ifndef BOOST_DLLEXPORT |
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| 58 | # define BOOST_DLLEXPORT |
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| 59 | #endif |
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| 60 | |
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| 61 | #endif // BOOST_SERIALIZATION_FORCE_INCLUDE_HPP |
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