[Ecls-list] compatible gui libraries

[crox]

Thanks, Marko!

> Second problem is that trivial-garbage, which is cl-gtk2 dependency at
> some point reports that ECL does not report weak hash tables.
Is it a very difficlut task to port weak hash tables?

And what about Threading (via Bordeaux-Threads) that is an another requirement for cl-gtk2. Are there're any issues with it? Or it is a third big problem?

- crox