http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46986
--- Comment #24 from Jack Howarth <howarth at nitro dot med.uc.edu> 2012-02-16 03:47:05 UTC --- (In reply to comment #22) > > ucontext is missing altogether from Mac OS X 10.7, but there is no TLS either: > > error: thread-local storage not supported for this target There is tis support within clang in Xcode 4.2 (see radar:10291355, "Xcode 4.2 miscompiles tls support in MPFR 3.1.0" which was fixed in Xcode 4.2.1), however FSF gcc currently doesn't generate the required assembly for tis support.
