http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59177
--- Comment #7 from Andy Lutomirski <luto at mit dot edu> --- I guess what I'm saying is: what's wrong with "yes" in 4.8? From looking at the code, it still seems like it does the right thing (i.e. not using clock_gettime if it's not in [posix4]).