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To: "Jordan K. Hubbard" <jkh@time.cdrom.com>
cc: sos@FreeBSD.org, jkh@freefall.freebsd.org (Jordan K. Hubbard),
        CVS-committers@freefall.freebsd.org, cvs-all@freefall.freebsd.org,
        cvs-sys@freefall.freebsd.org
Subject: Re: cvs commit: src/sys/i386/isa syscons.c 
In-reply-to: Your message of "Thu, 03 Oct 1996 00:01:40 MST."
             <8024.844326100@time.cdrom.com> 
Date: Thu, 03 Oct 1996 15:08:58 +0800
From: Peter Wemm <peter@spinner.DIALix.COM>
Sender: owner-cvs-sys@FreeBSD.org
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"Jordan K. Hubbard" wrote:
> > or (in ANSI-style)
> > void
> > func(int x __unused, char *y __unused)
> 
> Hmmm.  I don't remember __unused from my last reading of the ANSI
> spec, and if this is a gcc-ism then using it anywhere will cause Bruce
> to squawk at you about making it harder to use a non-gcc compiler in
> general principle. :-)
> 
> 					Jordan

Check <sys/cdefs.h>..  For gcc-2.7.x and above, it's a
#define __unused __attribute__((__unused__))
For everything else, it does nothing.  It should not be a portability
issue, since we compile the kernel with -Wunused on gcc, and it's telling
us exactly what we asked for..  Unused variables..

Cheers,
-Peter