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Newsgroups: comp.lang.ada
Subject: Re: (slightly OT)  Open Source licences? (was:  Re: New Ada
	portable GUI  Library?)
From: Georg Bauhaus <rm.tsoh+bauhaus@maps.futureapps.de>
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Date: Sat, 12 Jan 2008 23:37:04 +0100
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On Sat, 2008-01-12 at 10:36 -0800, framefritti@gmail.com wrote:
> .  I would like to
> make the library available with an open-source licence, but not GPL
> since I understand that the clause that any derivative work must be
> GPLed (maybe I am not precise here, but please do not flame me ;-)

Deriving from GMGPLed source doesn't require GPL (or GMGPL),
hence you can distribute binary only programs produces with FSF GNAT.
Things are different when the deriving process includes changes to
the original to suit the programmer's needs.

One of the "more free" licenses that encourages collaborative
work on the licensed work is
http://www.opensource.org/licenses/ver2_eiffel.php