The configure script should check for all these libs, but nevertheless here is
a list of the dependencies.

Requirements:

- libgtkmm, libglibmm, libgdkmm >= 2.4 (2.18.2)
        c++ bindings to standard gnome libraries.
        licensed under LGPL v2.1+

- libsigc++ >= 2.0
	found at http://libsigc.sf.net
        licensed under LGPL v2+.

