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Re: Ada policy

From: Florian Weimer <fw at deneb dot enyo dot de>
To: Robert Dewar <dewar at gnat dot com>
Cc: Kai Henningsen <kaih at khms dot westfalen dot de>, gcc at gcc dot gnu dot org
Date: Wed, 01 Sep 2004 00:20:13 +0200
Subject: Re: Ada policy
References: <10408310328.AA02238@vlsi1.ultra.nyu.edu><10408310328.AA02238@vlsi1.ultra.nyu.edu><87acwc3qq6.fsf@codesourcery.com> <9FuB74S1w-B@khms.westfalen.de><4134F84F.5080801@gnat.com>

* Robert Dewar:

> That's just not true. GNAT has been able to be built from 3.13 for
> many years (3.13 was released several years ago). We only introduce
> incompatibilities if we really need to for some significant cleanup
> or kludge removal. Earlier on that was more common, but we have not
> needed to do that for many years now.

I wonder why it's not possible to disable some aspects of -gnatg when
building the stage1 compiler.  If there was such an option, you might
be able to do some cleanups (like instrumenting the code with more
precise pragmas to control warnings) without requiring newer compiler
versions to bootstrap.

References:
- Re: Ada policy
  - From: Richard Kenner
- Re: Ada policy
  - From: Zack Weinberg
- Re: Ada policy
  - From: Kai Henningsen
- Re: Ada policy
  - From: Robert Dewar

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