http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44959
--- Comment #11 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot Uni-Bielefeld.DE> 2011-08-02 11:11:00 UTC --- > Not a subdir - a parallel directory. > > source is at /home/htl10/tmp-build/gcc-4.5.1 > obj dir is at /home/htl10/tmp-build/gcc-451-dir Did you use an absolute path for the source dir? There have been problems with relative paths in the past. Rainer