In which library is the symbol boost::filesystem::detail::create_directories(boost::filesystem::path const&, boost::system::error_code*) located?
You could do this by 'find /usr/lib/ -name *.so -exec nm -AC {} ; | grep ‘_ZN5boost10filesystem6detail18create_directoriesERKNS0_4pathEPNS_6system10error_codeE’