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From: Simon Clubley <clubley@remove_me.eisner.decus.org-Earth.UFP>
Newsgroups: comp.lang.ada
Subject: Re: How to get Ada to ?cross the chasm??
Date: Wed, 18 Apr 2018 18:19:27 -0000 (UTC)
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Date: 2018-04-18T18:19:27+00:00
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On 2018-04-18, J-P. Rosen <rosen@adalog.fr> wrote:
> Le 18/04/2018 à 14:44, Simon Clubley a écrit :
>> You can talk about the advantages of Ada all
>> you want but Ada's advantages mean nothing until the Ada compiler
>> situation matches the compiler situation for other languages.
> Sure. Other languages use FSF GCC. So, the situation does match the
> situation for other languages. What's the problem?
>

Luke has already given examples of how the FSF code base is behind
the GNAT Pro code base.

In addition, I will also point out that the FSF version is supported
on fewer targets than the GNAT Pro version is.

One direct personal example is OpenVMS. When OpenVMS was still
a supported GNAT Pro target, I could never get the FSF version
to build for Alpha. One person did get a FSF compiler built for
Itanium but he started with GNAT Pro on Alpha, which is an
option that was not available to me.

In addition, the Platforms table here (which doesn't even cover the
FSF version) makes for interesting reading:

https://www.adacore.com/gnatpro/comparison

I was interested to see there's no bare metal support for x86 listed
and that Android is restricted to the mega-bucks development options...

(And yes, I know there's been a third-party port for Android if you
are running FreeBSD.)

Simon.

-- 
Simon Clubley, clubley@remove_me.eisner.decus.org-Earth.UFP
Microsoft: Bringing you 1980s technology to a 21st century world