http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53455
--- Comment #18 from Niall Douglas <s_gccbugzilla at nedprod dot com> 2012-06-14 15:15:30 UTC --- (In reply to comment #17) > (In reply to comment #16) > > I think I built it correctly with std=c++11, but is there a way to verify > > this > > properly in the built library? > > crashtest.cpp doesn't crash ;) I think he means something like a magic weak symbol emitted to indicate a binary was built with C++11. If there isn't such a magic symbol yet, there should be. Niall