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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Newsgroups: comp.lang.ada
Subject: Re: Gtkada on Mac using Quartz
Date: Sun, 23 Aug 2015 17:05:16 +0200
Organization: cbb software GmbH
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Date: 2015-08-23T17:05:16+02:00
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On Sun, 23 Aug 2015 07:39:09 -0700 (PDT), ahlan@marriott.org wrote:

> My guess is that the problem is something OS X specific - I thought of
> stack size but that doesn't appear to be the problem. Perhaps it has
> something to do with 32/64 bit addresses - although I had no problems with
> 64 bit Ubuntu.

If it is the GDI, then Gtk.Main.Init + Gtk.Main.Main would not crash.
Possibly not even if the window is created but never shown.

I think you should take a look how Mac OS specific stuff is implemented and
investigate the OS API it uses.

-- 
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de