Hi, For the xdelta package, the original download link from google code is not valid any more. I found one from fedora: http://pkgs.fedoraproject.org/repo/pkgs/xdelta/xdelta-1.1.4.tar.gz/1b896c01ebf0e353b7e3c3071b05f496/xdelta-1.1.4.tar.gz -- Qun-Ying