> I want to build gvd (1.2.6) from source. Mandrake 9.1, gnat 3.15p, > GtkAda 2.0.0. > > Does anyone know what I am doing wrong ? Yes, you're trying to build gvd 1.2.6 with GtkAda 2, which can't work. GVD 1.2.x requires GtkAda 1.2 Arno