[Bug libstdc++/50196] [C++0x] std::thread not available under macos

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50196

--- Comment #6 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-10-21 00:15:23 UTC ---
Created attachment 25564
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=25564
patch for configure

could you test the patch at
http://gcc.gnu.org/ml/gcc-patches/2011-10/msg01912.html ?

you'll also need this attached patch for configure