[Bug libstdc++/57421] Error when linking static libstc++ due to missing future classes

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57421

--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> ---
I already did, that's the code I posted!

The only switches needed are -std=c++11 -static-libstdc++