I had to add two patches when building for Fedora: https://src.fedoraproject.org/rpms/hivex/tree/master They are both upstream, but not in a released version of hivex yet. https://github.com/libguestfs/hivex/commits/master Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones Read my programming and virtualization blog: http://rwmj.wordpress.com virt-df lists disk usage of guests without needing to install any software inside the virtual machine. Supports Linux and Windows. http://people.redhat.com/~rjones/virt-df/