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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: GNAT GPL is not shareware
Date: Fri, 30 Jan 2015 17:34:13 +0000
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Date: 2015-01-30T17:34:13+00:00
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Jeffrey Carter <spam.jrcarter.not@spam.not.acm.org> writes:

> On 01/30/2015 06:50 AM, Simon Wright wrote:
>> Björn Lundin <b.f.lundin@gmail.com> writes:
>> 
>>> In other words, you can make non-GPL programs/libraries
>>> with GNAT-FSF. But EVERYTHING you create with GNAT-GPL
>>> is GPL'd. Automatically.
>> 
>> If you build/link against the supplied RTS. But if you don't use an RTS
>> (see Maciej's post about Ada on Cortex-M), or you use an RTS with the
>> runtime exception or equivalent (see my STM32F4 GNAT RTS), the GPL
>> doesn't apply (unless you want it to).
>
> You also have to not "with" any language-defined units.

I don't believe there are any language-defined units that GNAT doesn't
implement as Ada source in the RTS? so it's the licensing terms on the
RTS you actually build against that matters?

I do agree that the argument would be clearer if one stuck to an FSF
compiler.