http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50982
--- Comment #5 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot Uni-Bielefeld.DE> 2011-11-03 18:22:16 UTC --- > --- Comment #4 from David Edelsohn <dje at gcc dot gnu.org> 2011-11-03 > 18:11:40 UTC --- > The failure is config/gthr-posix.h is not found in the search path when > building libstdc++ during bootstrap. > > Paolo's suggestion probably was not well thought through. > > I tried editing gthr-aix.h to remove config/, but that was not sufficient and > failed in another way. I will try with the other parts of your patch. You will also need the the libstdc++-v3/include/Makefile.{am, in} part. git GNU patch can apply git-style patches, but there's no release yet. I think svn 1.7 can, too. This makes it much easier than dealing with such patches manually. Rainer