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/**
* @copyright
* ====================================================================
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
* ====================================================================
* @endcopyright
*/
#ifndef __cplusplus
#error "This is a C++ header file."
#endif
#ifndef SVN_CXXHL_COMPAT_HPP
#define SVN_CXXHL_COMPAT_HPP
// Configuration test: std::shared_ptr<> and friends
// Currently detects: clang++, g++, msvc-2010+
#ifndef SVN_CXXHL_HAVE_STD_SMART_PTRS
# if (defined(__clang__) && __cplusplus >= 201103L) \
|| (defined(__GNUC__) && defined(__GXX_EXPERIMENTAL_CXX0X__)) \
|| (defined(_MSC_VER) && _MSC_VER >= 1600)
# define SVN_CXXHL_HAVE_STD_SMART_PTRS
# endif // config test: std::shared_ptr<>
#endif // SVN_CXXHL_HAVE_STD_SMART_PTRS
// Configuration test: std::tr1::shared_ptr<> and friends
// Currently detects: clang++, g++
#ifndef SVN_CXXHL_HAVE_STD_SMART_PTRS
# ifndef SVN_CXXHL_HAVE_STD_TR1_SMART_PTRS
# if defined(__GNUC__) \
&& (__GNUC__ > 4 || __GNUC__ == 4 && __GNUC_MINOR__ >= 1)
# define SVN_CXXHL_HAVE_STD_TR1_SMART_PTRS
# endif // config test: std::tr1::shared_ptr<>
# endif // SVN_CXXHL_HAVE_STD_TR1_SMART_PTRS
#endif // SVN_CXXHL_HAVE_STD_SMART_PTRS
#if defined(SVN_CXXHL_HAVE_STD_SMART_PTRS)
#include <memory>
namespace apache {
namespace subversion {
namespace cxxhl {
namespace compat {
using std::weak_ptr;
using std::shared_ptr;
using std::enable_shared_from_this;
} // namespace compat
} // namespace cxxhl
} // namespace subversion
} // namespace apache
#elif defined(SVN_CXXHL_HAVE_STD_TR1_SMART_PTRS)
#include <tr1/memory>
namespace apache {
namespace subversion {
namespace cxxhl {
namespace compat {
using std::tr1::weak_ptr;
using std::tr1::shared_ptr;
using std::tr1::enable_shared_from_this;
} // namespace compat
} // namespace cxxhl
} // namespace subversion
} // namespace apache
#else
// We need smart pointers from somewhere. If we cannot find them in
// ::std given known compiler characteristics, then try Boost as a
// last resort.
#define SVN_CXXHL_USING_BOOST
#include <boost/shared_ptr.hpp>
namespace apache {
namespace subversion {
namespace cxxhl {
namespace compat {
using boost::weak_ptr;
using boost::shared_ptr;
using boost::enable_shared_from_this;
} // namespace compat
} // namespace cxxhl
} // namespace subversion
} // namespace apache
#endif // SVN_CXXHL_HAVE_STD_SMART_PTRS
// Configuration test: noncopyable mixin.
#ifdef SVN_CXXHL_USING_BOOST
#include <boost/noncopyable.hpp>
namespace apache {
namespace subversion {
namespace cxxhl {
namespace compat {
using boost::noncopyable;
} // namespace compat
} // namespace cxxhl
} // namespace subversion
} // namespace apache
#else // !SVN_CXXHL_USING_BOOST
namespace apache {
namespace subversion {
namespace cxxhl {
namespace compat {
namespace noncopyable_
{
class noncopyable
{
protected:
noncopyable() {}
~noncopyable() {}
private:
noncopyable(const noncopyable&);
noncopyable& operator=(const noncopyable&);
};
} // namespace noncopyable_
typedef noncopyable_::noncopyable noncopyable;
} // namespace compat
} // namespace cxxhl
} // namespace subversion
} // namespace apache
#endif // SVN_CXXHL_USING_BOOST
#endif // SVN_CXXHL_COMPAT_HPP
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