+BuildRequires: /usr/bin/pod2man
+BuildRequires: /usr/bin/pod2html
+
+Requires: libguestfs >= 1.9.11
+Requires: /usr/bin/gnome-open
+Requires: /usr/bin/hivexregedit
+
+# Only needed to build the internal documentation.
+#BuildRequires: ocaml-ocamldoc