4 gsl >= 1.12 (lib -- required) http://www.gnu.org/software/gsl/
5 gtkmm >= 2.18 (gui -- optional) http://www.gtkmm.org
6 libg3d (gui -- optional) http://automagically.de/g3dviewer/
7 libyaml (gui -- optional) http://pyyaml.org/wiki/LibYAML
8 gtk-doc >= 1.9 (doc -- optional) http://www.gtk.org/gtk-doc/
9 povray (doc -- optional) http://www.povray.org/
10 asymptote (doc -- optional) http://asymptote.sourceforge.net/