http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48180
--- Comment #3 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-03-18 14:38:26 UTC --- (In reply to comment #2) > (In reply to comment #1) > > LTO is not enabled by default on x86_64-apple-darwin10 and the apple linker > > does not support a linker plugin compatible with LTO. > > > > But yes, the error message could be improved to state this (no plugin > > compatible linker available) instead of complaining the way it does. > > > Should 'liblto_plugin.so' exist indeed? > Is this file created when compile gcc? I think it should exist, it is built and installed unconditionally. See the lto-plugin/ directory in your toplevel build directory. > And If I compile binutils, will I be able to use '-fuse-linker-plugin'? No, upstream GNU binutils do not have complete support for Mach-O.
