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From: Simon Wright <simon.j.wright@mac.com>
Newsgroups: comp.lang.ada
Subject: Re: Pragma Unreferenced in GNAT GPL 2008
Date: Sat, 05 Jul 2008 13:51:44 +0100
Organization: Pushface
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Date: 2008-07-05T13:51:44+01:00
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Wilhelm Spickermann <quast.20.unbenutzbar@spamgourmet.com> writes:

> After installing GNAT GPL 2008 I get unexpected warnings on
> unreferenced variables:
>
> ...
>       entry Wait_On (S : Event_State) when Value = On is
>          pragma Unreferenced (S);
>       begin
>          null;
>       end Wait_On;
> ...
> "pragma Unreferenced (S);" is honoured by GNAT GPL 2007 and seems
> to be ignored by GNAT GPL 2008. 
>
> Is this a compiler bug?

It isn't ignored by gcc-4.3.0. I couldn't build GNAT GPL 2008 for
Intel Mac, so can't help there.