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From: Martin Krischik <martin@krischik.com>
Newsgroups: comp.lang.ada
Subject: Re: Conditional compilation in Ada?
Date: Sun, 21 Nov 2004 10:14:11 +0100
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Date: 2004-11-21T10:14:11+01:00
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Georg Bauhaus wrote:

> Martin Krischik wrote:
>  
>> The thing I which for is a pragma to switch off the damm warning about
>> not knowing pragma X.
> 
> As another example, I also have pragma TODO[(...)];
> in my sources. I definitely want a compiler warning for these.
> 
> You'd have to have a pragma to turn off the warnings about
> a pragma ... ;-) Or something in the project file.
> I think it's better to write source code that doesn't
> produce (too many) warnings because it is correct. If the
> sources are not to be trusted yet, I just live with the warnings.
> They are good reminders.

You are right. but pragmas are a special case. I remember the time when
AdaCL was less the 37 packages and I keeps it compatible with the Aonix
compiler.

ObjectAda did not know about  "pragma Unreferenced" and would produce a
warning every time. And I had a lot of "pragma Unreferenced (Trace);".
[Trace is a controlled object created only for tracking function enty and
exit points]

I could use my trace facility without pragma Unreferenced but then GNAT
would produce warnings about unreferenced objects. 

Eventualy AdaCL reached the 37 package limit and the problem solved itself -
I droped ObjectAda support.

With Regards

Martin

PS: 
-- 
mailto://krischik@users.sourceforge.net
http://www.ada.krischik.com