[Bug libstdc++/57740] C++11 std::thread not usable with static linking

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57740

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
I think it is bad form to use static linking with pthreads.