[gtkada] automatically generated packages

[Nicolas Setton]

> Ah, I see there's a new "make generate" target.
> 
> I think I'll need to study GObject Introspection to understand where the file 
> named Gtk-2.0.gir comes from. Anyway, thanks for the information.

Gtk-2.0.gir is generated during the build of Gtk+ with introspection enabled. 

If you are interested in this area, I suggest waiting for the Gtk-3 version, where the binding generator has had a lot of improvements.

Nicolas