id summary reporter owner description type status milestone component version severity resolution keywords cc 10590 libc++ is always detected as being old roschuma@… John Maddock "At boost/config/stdlib/libcpp.hpp:34 {{{ #if __cpluplus < 201103 }}} This is a typo and should be something like {{{ #if __cplusplus < 201103 }}} Since this couldn't have worked previously, please make sure to also test that the version number is also adequate. " Bugs closed To Be Determined config Boost Development Trunk Regression fixed libc++ libcpp BOOST_NO_CXX11_SMART_PTR