shared_ptr.h

/***************************************************************************
 * include/stxxl/bits/compat/shared_ptr.h
 *
 * compatibility interface to shared_ptr (C++0x, TR1 or boost)
 *
 * Part of the STXXL. See http://stxxl.sourceforge.net
 *
 * Copyright (C) 2011 Andreas Beckmann <[email protected]>
 *
 * Distributed under 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)
 **************************************************************************/

#ifndef STXXL_HEADER__COMPAT__SHARED_PTR_H_
#define STXXL_HEADER__COMPAT__SHARED_PTR_H_


#include <memory>
#if defined(__GNUG__) && !defined(__GXX_EXPERIMENTAL_CXX0X__) \
 && ((__GNUC__ * 10000 + __GNUC_MINOR__ * 100) >= 40200) \
 && (!defined(__ICC) || (__ICC >= 1100))
#include <tr1/memory>
#endif
#if defined(STXXL_BOOST_CONFIG)
#include <boost/shared_ptr.hpp>
#include <boost/make_shared.hpp>
#endif

#include <stxxl/bits/namespace.h>


__STXXL_BEGIN_NAMESPACE

#ifndef STXXL_HAVE_SHARED_PTR
 #define STXXL_HAVE_SHARED_PTR 1
#endif

#ifndef STXXL_HAVE_MAKE_SHARED
 #define STXXL_HAVE_MAKE_SHARED 1
#endif

namespace compat
{
#if defined(__GXX_EXPERIMENTAL_CXX0X__)
 using std::shared_ptr;
 using std::make_shared;
 using std::allocate_shared;
#elif defined(STXXL_BOOST_CONFIG)
 using boost::shared_ptr;
 using boost::make_shared;
 using boost::allocate_shared;
#elif defined(__GNUG__) && ((__GNUC__ * 10000 + __GNUC_MINOR__ * 100) >= 40200) \
 && (!defined(__ICC) || (__ICC >= 1100))
 using std::tr1::shared_ptr;
 #undef STXXL_HAVE_MAKE_SHARED
 #define STXXL_HAVE_MAKE_SHARED 0
#else
 // no shared_ptr implementation available
 #undef STXXL_HAVE_SHARED_PTR
 #define STXXL_HAVE_SHARED_PTR 0
 #undef STXXL_HAVE_MAKE_SHARED
 #define STXXL_HAVE_MAKE_SHARED 0
#endif
} // namespace compat

__STXXL_END_NAMESPACE

#endif // !STXXL_HEADER__COMPAT__SHARED_PTR_H_
// vim: et:ts=4:sw=4