https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61407
--- Comment #24 from Dominyk Tiller <dominyktiller at gmail dot com> --- (In reply to James Clarke from comment #16) > Created attachment 33180 [details] > Patch For GCC 4.9.1 On Yosemite > > Requires DP 4 (or above), as I have also removed the fix for Availability.h > which was only needed in DP 3 and below. It looks like gcc are gonna require someone to submit this patch to their mailing list before we see any further activity on this. Could you possibly do that? Would massively appreciate it. More details are here: https://gcc.gnu.org/contribute.html