http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40528
--- Comment #15 from Agner Fog <agner at agner dot org> 2011-05-30 13:13:06 UTC --- (In reply to comment #14) > (In reply to comment #13) > > What is the status of this issue? > > It is implemented on ifunc branch. > > > Is option 3 implemented? > > Yes, on ifunc branch. > > > Which versions of Linux and binutils support IFUNC? > > You need at least glibc 2.11 and binutils 2.20. > > > Any plans for BSD and Mac? > > > > You have to ask BSD and Mac people since IFUNC support > needs to be implemented in both binutils and the C > library. Still doesn't work. "warning: ‘ifunc’ attribute directive ignored" GNU Binutils for Ubuntu 2.21.0.20110327 Where can I find an implementation with ifunc branch?