http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46097
--- Comment #26 from Jonathan Wakely <redi at gcc dot gnu.org> 2010-10-22 07:34:55 UTC --- I don't think dlmopen has anything to do with C++ namespaces, but I could be wrong Are those libraries that crash designed to be used via dlopen, rather than linking to them explicitly?