ceph/src/boost/libs/serialization/include/boost/serialization/force_include.hpp

   1 #ifndef BOOST_SERIALIZATION_FORCE_INCLUDE_HPP
   2 #define BOOST_SERIALIZATION_FORCE_INCLUDE_HPP
   3
   4 // MS compatible compilers support #pragma once
   5 #if defined(_MSC_VER)
   6 # pragma once
   7 #endif
   8
   9 /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
  10 // force_include.hpp:
  11
  12 // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
  13 // Use, modification and distribution is subject to the Boost Software
  14 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
  15 // http://www.boost.org/LICENSE_1_0.txt)
  16
  17 //  See http://www.boost.org for updates, documentation, and revision history.
  18
  19 #include <boost/config.hpp>
  20
  21 // the following help macro is to guarentee that certain coded
  22 // is not removed by over-eager linker optimiser.  In certain cases
  23 // we create static objects must be created but are actually never
  24 // referenced - creation has a side-effect such as global registration
  25 // which is important to us. We make an effort to refer these objects
  26 // so that a smart linker won't remove them as being unreferenced.
  27 // In microsoft compilers, inlining the code that does the referring
  28 // means the code gets lost and the static object is not included
  29 // in the library and hence never registered.  This manifests itself
  30 // in an ungraceful crash at runtime when (and only when) built in
  31 // release mode.
  32
  33 #if defined(BOOST_HAS_DECLSPEC) && !defined(__COMO__)
  34 #   define BOOST_DLLEXPORT __declspec(dllexport)
  35 #elif ! defined(_WIN32) && ! defined(_WIN64)
  36 #   if defined(__MWERKS__)
  37 #       define BOOST_DLLEXPORT __declspec(dllexport)
  38 #   elif defined(__GNUC__) && (__GNUC__ >= 3)
  39 #       define BOOST_USED __attribute__ ((__used__))
  40 #   elif defined(__IBMCPP__) && (__IBMCPP__ >= 1110)
  41 #       define BOOST_USED __attribute__ ((__used__))
  42 #   elif defined(__INTEL_COMPILER) && (BOOST_INTEL_CXX_VERSION >= 800)
  43 #       define BOOST_USED __attribute__ ((__used__))
  44 #   endif
  45 #endif
  46
  47 #ifndef BOOST_USED
  48 #    define BOOST_USED
  49 #endif
  50
  51 #ifndef BOOST_DLLEXPORT
  52 #    define BOOST_DLLEXPORT
  53 #endif
  54
  55 #endif // BOOST_SERIALIZATION_FORCE_INCLUDE_HPP