http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53200
--- Comment #2 from Dominique d'Humieres <dominiq at lps dot ens.fr> 2012-05-02 22:13:17 UTC --- Created attachment 27293 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27293 file x86_64-apple-darwin10.8.0/libatomic/auto-config.h > Please attach the generated auto-config.h file. Done