[gtkada] Porting gate to glade2

[Arnaud Charlet]

> I have Gnat 3.14p at the moment and I don't think all these flags work.

Well they are mandatory for inclusion in our sources, so it would be really
nice if you could check most of these one way or another.

> Ah, bugger. I was messing with the Makefile scripts for a long time to
> get it to compile so I could debug. I also had to disable the chmod -w
> so that the compiler would recompile things. Is all this taken care of
> if I make a .devel file?

Most likely.

Arno