hanchenye-llvm-project/llvm/include/boost/config/stdlib/libstdcpp3.hpp

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C++

// (C) Copyright Boost.org 2001. Permission to copy, use, modify, sell and
// distribute this software is granted provided this copyright notice appears
// in all copies. This software is provided "as is" without express or implied
// warranty, and with no claim as to its suitability for any purpose.
// See http://www.boost.org for most recent version.
// config for libstdc++ v3
// not much to go in here:
#define BOOST_STDLIB "GNU libstdc++ version " BOOST_STRINGIZE(__GLIBCPP__)
#ifndef _GLIBCPP_USE_WCHAR_T
# define BOOST_NO_CWCHAR
# define BOOST_NO_CWCTYPE
# define BOOST_NO_STD_WSTRING
#endif
#ifndef _GLIBCPP_USE_LONG_LONG
// May have been set by compiler/*.hpp, but "long long" without library
// support is useless.
# undef BOOST_HAS_LONG_LONG
#endif