http://bugs.winehq.org/show_bug.cgi?id=28028
--- Comment #12 from Per Johansson per@morth.org 2012-02-05 11:29:23 CST --- I don't believe you need Apple's gcc, the normal one should work just fine. You can probably build it with brew, just like macports builds a custom one (though it checks out Apple's source, I believe)