id summary reporter owner description type status milestone component version severity resolution keywords cc 1290 Serialization export.hpp (or type_info_implementation.hpp) is NOT self-contained and causes compile error huangsean@… Robert Ramey "The following code should compile: #include class A { }; BOOST_CLASS_EXPORT( A ); instead I got: error C2027: use of undefined type 'boost::serialization::extended_type_info_impl' 1> with 1> [ 1> T=A 1> ] " Bugs closed serialization Boost 1.34.1 Showstopper fixed