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Re: GCC warnings for unused global variables

From: Joe Buck <jbuck at synopsys dot com>
To: Geoff Keating <geoffk at geoffk dot org>
Cc: espie at quatramaran dot ens dot fr, gcc at gcc dot gnu dot org
Date: Thu, 1 May 2003 11:07:49 -0700
Subject: Re: GCC warnings for unused global variables
References: <20030501110508.6E8E7F2D7E@nile.gnat.com> <20030501093505.D21602@synopsys.com> <jmissu5yqp.fsf@desire.geoffk.org>

On Thu, May 01, 2003 at 11:05:18AM -0700, Geoff Keating wrote:
> It is not, and has never been, the case that -Wall is a flag that
> always produces the same set of warnings on the same source code.
> Those who want to use -Wall and want to have no warnings have to
> realise that they will need to change their code with each new
> compiler release as the compiler is enhanced to detect new
> questionable constructs.  Such new warnings are not regressions, they
> are progressions.

While I agree with you in general, I do not in this specific case.

References:
- Re: GCC warnings for unused global variables
  - From: Robert Dewar
- Re: GCC warnings for unused global variables
  - From: Joe Buck
- Re: GCC warnings for unused global variables
  - From: Geoff Keating

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