56 lines
2.1 KiB
C++
56 lines
2.1 KiB
C++
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#ifndef BOOST_SERIALIZATION_FORCE_INCLUDE_HPP
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#define BOOST_SERIALIZATION_FORCE_INCLUDE_HPP
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// MS compatible compilers support #pragma once
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#if defined(_MSC_VER)
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# pragma once
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#endif
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/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
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// force_include.hpp:
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// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
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// Use, modification and distribution is subject to the Boost Software
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// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// See http://www.boost.org for updates, documentation, and revision history.
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#include <boost/config.hpp>
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// the following help macro is to guarentee that certain coded
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// is not removed by over-eager linker optimiser. In certain cases
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// we create static objects must be created but are actually never
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// referenced - creation has a side-effect such as global registration
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// which is important to us. We make an effort to refer these objects
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// so that a smart linker won't remove them as being unreferenced.
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// In microsoft compilers, inlining the code that does the referring
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// means the code gets lost and the static object is not included
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// in the library and hence never registered. This manifests itself
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// in an ungraceful crash at runtime when (and only when) built in
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// release mode.
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#if defined(BOOST_HAS_DECLSPEC) && !defined(__COMO__)
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# define BOOST_DLLEXPORT __declspec(dllexport)
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#elif ! defined(_WIN32) && ! defined(_WIN64)
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# if defined(__MWERKS__)
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# define BOOST_DLLEXPORT __declspec(dllexport)
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# elif defined(__GNUC__) && (__GNUC__ >= 3)
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# define BOOST_USED __attribute__ ((__used__))
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# elif defined(__IBMCPP__) && (__IBMCPP__ >= 1110)
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# define BOOST_USED __attribute__ ((__used__))
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# elif defined(__INTEL_COMPILER) && (BOOST_INTEL_CXX_VERSION >= 800)
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# define BOOST_USED __attribute__ ((__used__))
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# endif
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#endif
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#ifndef BOOST_USED
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# define BOOST_USED
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#endif
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#ifndef BOOST_DLLEXPORT
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# define BOOST_DLLEXPORT
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#endif
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#endif // BOOST_SERIALIZATION_FORCE_INCLUDE_HPP
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