1 --- foo/foo/foo/boost/config/compiler/clang.hpp
2 +++ foo/foo/foo/boost/config/compiler/clang.hpp
5 #define BOOST_HAS_PRAGMA_ONCE
9 #if !__has_feature(cxx_exceptions) && !defined(BOOST_NO_EXCEPTIONS)
10 # define BOOST_NO_EXCEPTIONS
13 # define BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX
16 -#if !__has_feature(cxx_rvalue_references)
17 +#if !__has_feature(cxx_rvalue_references) || (defined(__APPLE__) && !defined(_LIBCPP_VERSION))
18 # define BOOST_NO_CXX11_RVALUE_REFERENCES