+Pkg-Config
+Glib 2.0+ library/headers (devel package) (http://www.gtk.org)
+libxml2 2.0+ library/headers (devel package)
+libGL library/headers (devel package, mesa or otherwise)
+
+Optionally, if you want to build the configuration tool (this is recommended):
+GTK+ 2.0+ library/headers (devel package) (http://www.gtk.org)
+libglade 2.0+ library/headers (devel package) (http://www.gnome.org)