Date:	Mon, 25 Nov 1996 08:50:19 +0000
From:	Bill Currie <billc AT blackmagic DOT tait DOT co DOT nz>
Subject:	Re: v2 unwanted warnings
To:	"A.Appleyard" <A DOT APPLEYARD AT fs2 DOT mt DOT umist DOT ac DOT uk>
Cc:	DJGPP AT delorie DOT com
Reply-to:	billc AT blackmagic DOT tait DOT co DOT nz
Message-id:	<32995DCB.26C7@blackmagic.tait.co.nz>
Organization:	Tait Electronics NZ
MIME-version:	1.0
References:	<131D93180C AT fs2 DOT mt DOT umist DOT ac DOT uk>

A.Appleyard wrote:
>   When v2 compiled this just now:-
> 
> #define nu __attribute__ ((unused))
> class point{public: double x,y;};
> int miaow(point nu w,double nu z){}
> main(){}
> 
>   I got this:-
> 
> C:\AMNEW>gcc t$$$.cc -Wall
> t$$$.cc:3: warning: `unused' attribute ignored
> t$$$.cc:3: warning: `unused' attribute ignored
> t$$$.cc: In function `int miaow(class point, double)':
> t$$$.cc:3: warning: unused parameter `class point w'
> t$$$.cc:3: warning: unused parameter `double z'
> t$$$.cc:3: warning: control reaches end of non-void function `miaow(point, doubl
> e)'

Since your using C++, just drop the names of any unused parameters (this
is standard c++).
ie
class point{public: double x,y;};
int miaow(point, double){}
main(){}

The __attribute__((unused)) is for C bacause the language doesn't allow
unnamed paramters.

Bill
-- 
Leave others their otherness.

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