https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93277
--- Comment #4 from Peter Bergner <bergner at gcc dot gnu.org> --- (In reply to Peter Bergner from comment #3) > Strangely, using "gcc.foo" seems to be ok. Is there something special about > source directory names "gcc.svn" and "gcc.git"? So even "gcc-foo.git" causes a problem, so I guess ".git" cannot show up anywhere in the gcc source directory name.