Date:	Thu, 21 Nov 1996 16:45:11 GMT
From:	kvhk AT ivs4 DOT barco DOT com (Koen Van Herck)
Message-Id:	<9611211645.AA02602@ivs4.>
To:	A DOT APPLEYARD AT fs2 DOT mt DOT umist DOT ac DOT uk
Cc:	DJGPP AT delorie DOT com
In-Reply-To:	<EF21E372FE@fs2.mt.umist.ac.uk> (A.APPLEYARD@fs2.mt.umist.ac.uk)
Subject:	Re: v2 unwanted warnings
Reply-To:	Koen DOT VanHerck AT barco DOT com

> 
>   (1) It has many functions all of type void name(val N,val T1,val T2){...}.
> (val is an 8-byte class type which I declared). These functions MUST be all
> the same type, as their addresses are used as values. But some of these
> functions don't use some of their parameters. As a result the fault output
> is stuffed out with hundreds of `warning: unused parameter' warning lines.
> How to stop these warning and still use -Wall for its other useful properties?
Try -Wno-unused
This no- prefix works for every warning option.

Or use __attribute__ ((unused)) for the unused variables.
e.g. 
int foo(int a, int b __attribute__ ((unused)));

This will complain if a is unused, but not is b is unused.

>   (2) Can this warning be suppressed specifically, similarly?:-
>     `warning: suggest parentheses around assignment used as truth value'

Use -Wno-parentheses


----
Koen Van Herck
Electronic Design Engineer
E-mail: Koen DOT VanHerck AT barco DOT com

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