Compare this successful build of 1.0.60 in EPEL-5: http://kojipkgs.fedoraproject.org/packages/libguestfs/1.0.60/2.el5/data/logs... with this unsuccessful build of 1.0.61, done ~24 hours later: http://koji.fedoraproject.org/koji/getfile?taskID=1477023&name=build.log The unsuccessful build fails with: /usr/lib/rpm/debugedit: canonicalization unexpectedly shrank by one character https://bugzilla.redhat.com/show_bug.cgi?id=304121 which is apparently caused by having ...//... (double slash) in a source file path while compiling. Indeed the case with the second build, but not with the first one. I've no idea what has changed between the two ... nothing significant as far as I can see. Anyone got any ideas? This is the source I'm building from: http://cvs.fedoraproject.org/viewvc/EL-5/libguestfs/ Rich. -- Richard Jones, Emerging Technologies, Red Hat http://et.redhat.com/~rjones libguestfs lets you edit virtual machines. Supports shell scripting, bindings from many languages. http://et.redhat.com/~rjones/libguestfs/ See what it can do: http://et.redhat.com/~rjones/libguestfs/recipes.html