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Newsgroups: comp.lang.ada
Date: Wed, 2 May 2018 10:10:02 -0700 (PDT)
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Subject: Re: How to get Ada to ?cross the chasm??
From: "Dan'l Miller" <optikos@verizon.net>
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Xref: reader02.eternal-september.org comp.lang.ada:51923
Date: 2018-05-02T10:10:02-07:00
List-Id: <comp.lang.ada>

On Wednesday, May 2, 2018 at 9:39:23 AM UTC-5, ric....@gmail.com wrote:
> ...  We use Ada commercially, and simply build FSF GNAT, which comes with=
 the full run-time exception.
> It takes a bit of tinkering to get it going, but what doesn't in the open=
 source world?

Do you ever notice any bugs in the FSF Ada compiler or its runtime (especia=
lly bugs that are absent in GNAT GPL Community Edition)?

Other people are saying that, yes, narrowly speaking FSF GNAT legalisticall=
y is an option due to more-favorable licensing of the run-time, but they ar=
e effectively compelled to copy bug fixes from GNAT GPL Community Edition's=
 source code to fix those bugs.  When those bugs are in the runtime, then t=
he only legal right one has to copy/distribute those snippets of AdaCore so=
urce code is GPLv3, not the Runtime Exception or LGPL or any other nonviral=
 license.  Hence, AdaCore's GPLv3 licensing is effectively incompatible wit=
h FSF's Runtime Exception licensing until/if AdaCore itself performs the ac=
t of copying those snippets to fix those bugs.