id summary reporter owner description type status milestone component version severity resolution keywords cc 11615 Boost.Move should use the qualified name for std::size_t in type_traits.hpp Manuel Freiberger Ion Gaztañaga "The file boost/move/detail/typetraits.hpp uses size_t without namespace std:: twice. Once in line 473 (remove_all_extents) and once in line 1006 (aligned_union). As our STL does not include size_t in the global namespace when is included, the Boost.Move does not compile straight away. Please change these templates to template struct remove_all_extents ... and template union aligned_union ... Best regards, Manuel" Bugs closed To Be Determined move Boost 1.59.0 Problem fixed