config.hpp

C++的一个好库。。。现在很流行

//  (C) Copyright Daniel James 2005.
//  Use, modification and distribution are subject to 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)

#if defined(TEST_STD)
#  define TEST_STD_INCLUDES
#  define HASH_NAMESPACE std::tr1
#else
#  define HASH_NAMESPACE boost
#  define TEST_EXTENSIONS
#endif