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From: Robert Dewar <robert_dewar@my-dejanews.com>
Subject: Re: EGCS & GNAT Was (Re: GNAT versions)
Date: 1999/04/26
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In article <37234DCA.A509D0D9@aasaa.ofe.org>,
  David Starner <dstarner98@aasaa.ofe.org> wrote:
> While it's on topic, since EGCS is now the official GCC
> tree, when will there be a version of GNAT that builds on
> EGCS? It would be much more convientent for those of use
> running EGCS.

3.12 technology is based on gcc 2.8.1 with a patch set,
as in previous releases.

Right now, a number of fixes and improvements are required
to EGCS to get it up to the level required by our
regression and QA testing (remember that, unlike the GCC
2.8.1 tree, changes have not been verified against our
test suite, and there are definitely some errors).

It is certainly our intention to migrate in the EGCS
direction, but it may take a while to complete this change
over, since clearly we cannot release an EGCS based version
that has significant regressions.

Just getting GNAT to run on EGCS is not that difficult.
Getting it to run perfectly, or at least as perfectly as
on GCC 2.8.1 will take some effort. How much we don't know
for sure yet.

If you are happy with a compiler that mostly works even if
it does not pass all our tests, then the patches for
running version 3.11p of GNAT under EGCS have already
been developed and posted by volunteers (in fact the first
set of such patches appeared about 24 hours after the
initial drop of 3.11p).

Robert Dewar
Ada Core Technologies

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