http://bugs.winehq.org/show_bug.cgi?id=32872
--- Comment #3 from Morgan Stair winehq@tadmuck.com 2013-02-05 10:36:04 CST --- Confirming that Ryan's solution in comment 2 works for MacPorts users. The MacPorts build was failing for me. I upgraded to Xcode 4.6 (the latest version). Now it builds.