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From: grog@lemis.de (Greg Lehey)
Organisation: LEMIS, Schellnhausen 2, 36325 Feldatal, Germany
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Message-Id: <199607070740.JAA15204@allegro.lemis.de>
Subject: Re: gcc lies?
To: gpalmer@freebsd.org (Gary Palmer)
Date: Sun, 7 Jul 1996 09:40:10 +0200 (MET DST)
Cc: hackers@freebsd.org (FreeBSD Hackers)
In-Reply-To: <20829.836638114@palmer.demon.co.uk> from "Gary Palmer" at Jul 6, 96 08:28:34 am
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Gary Palmer writes:
>
> Greg Lehey wrote in message ID
> <199607051011.MAA15302@allegro.lemis.de>:
>> ../../kern/kern_descrip.c: In function `getdtablesize':
>> ../../kern/kern_descrip.c:99: warning: unused parameter `uap'
>> ../../kern/kern_descrip.c: In function `dup2':
>> ../../kern/kern_descrip.c:127: warning: comparison between signed and unsigned
>
>> (that's not all, but it's enough).
>
>> If I compile the same module with the standard release gcc, I get no
>> warnings at all.  How come?  At first I thought it might be the header
>> files, but there's a -nostdinc in there, and I checked: it really does
>> include just the kernel header files.
>
> No, it's not GCC lies, the tightened up quite a bit on their parser
> and the error checking is a lot more thorough as a result. The end
> product: LINT has gone from about 100 warnings up to 4000. I'm going
> to be looking to kill a few of these once 2.1.5 is out and I have
> time.

My apologies, you're right..  I thought the port of gcc to FreeBSD had
broken the warnings, but I compiled the original 2.6.3, and there were
no warnings from it either.

Greg