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From: "Randy Brukardt" <randy@rrsoftware.com>
Newsgroups: comp.lang.ada
Subject: Re: What exactly is the licensing situation with GNAT?
Date: Thu, 13 Nov 2014 16:29:38 -0600
Organization: Jacob Sparre Andersen Research & Innovation
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Xref: news.eternal-september.org comp.lang.ada:23250
Date: 2014-11-13T16:29:38-06:00
List-Id: <comp.lang.ada>

"Tero Koskinen" <tero.koskinen@iki.fi> wrote in message 
news:m42m41$2vk$1@loke.gir.dk...
> 13.11.2014 3:29, Randy Brukardt wrote:
>> "Randy Brukardt" <randy@rrsoftware.com> wrote in message
>> I should have noted (beyond spelling better in the above!) that the Ada 
>> 2012
>> pragma Profile (No_Implementation_Extensions) should help a great deal 
>> with
>> that. If that's put into a package, the majority of of
>> implementation-defined things would be identified. But it can't identify
>> everything.
>
> Too bad, right now the pragma does not work in practice :)
...
> (Yes, I am using Ada 95/2005/2007 compilers, but it is not fair to tease
> people with features implemented only in one compiler.)

I think it's fair in this case as it's that "one compiler" that most people 
are using. It's pretty easy to erase a single pragma (and note in the 
Janus/Ada, as it is a warning, you don't even have to erase it); if you 
started with GNAT (which 98% of free software will have done), you're not 
likely to introduce any ICC or Janus/Ada extensions anyway.

Of course, beyond that, it's important that other vendors catch up. The 
Contracts stuff in particular is a big advantage for Ada over other 
languages. (And ignore the man behind the curtain. ;-)

                             Randy.