1//=======================================================================
2// Copyright 2001 University of Notre Dame.
3// Copyright 2003 Jeremy Siek
4// Authors: Lie-Quan Lee, Jeremy Siek, and Douglas Gregor
5//
6// Distributed under the Boost Software License, Version 1.0. (See
7// accompanying file LICENSE_1_0.txt or copy at
8// http://www.boost.org/LICENSE_1_0.txt)
9//=======================================================================
10
11#ifndef BOOST_GRAPH_DLL_IMPORT_EXPORT_HPP
12#define BOOST_GRAPH_DLL_IMPORT_EXPORT_HPP
13
14#include <boost/config.hpp>
15
16#if defined(BOOST_ALL_DYN_LINK) || defined(BOOST_GRAPH_DYN_LINK)
17# ifdef BOOST_GRAPH_SOURCE
18# define BOOST_GRAPH_DECL BOOST_SYMBOL_EXPORT
19# else
20# define BOOST_GRAPH_DECL BOOST_SYMBOL_IMPORT
21# endif // BOOST_GRAPH_SOURCE
22#endif // DYN_LINK
23
24#ifndef BOOST_GRAPH_DECL
25# define BOOST_GRAPH_DECL
26#endif
27
28#endif // BOOST_GRAPH_DLL_IMPORT_EXPORT_HPP
29

source code of boost/boost/graph/dll_import_export.hpp