Date: Sat, 06 Jul 1996 08:28:34 +0100 From: "Gary Palmer" <gpalmer@FreeBSD.ORG> To: grog@lemis.de (Greg Lehey) Cc: hackers@FreeBSD.ORG (FreeBSD Hackers) Subject: Re: gcc lies? Message-ID: <20829.836638114@palmer.demon.co.uk> In-Reply-To: Your message of "Fri, 05 Jul 1996 12:11:51 %2B0200." <199607051011.MAA15302@allegro.lemis.de>
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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 > ../../kern/kern_descrip.c:130: warning: comparison between signed and unsigned > ../../kern/kern_descrip.c:136: warning: comparison between signed and unsigned > ../../kern/kern_descrip.c:139: warning: comparison between signed and unsigned > ../../kern/kern_descrip.c: In function `dup': > ../../kern/kern_descrip.c:181: warning: comparison between signed and unsigned > ../../kern/kern_descrip.c: In function `fcntl': > ../../kern/kern_descrip.c:213: warning: comparison between signed and unsigned > ../../kern/kern_descrip.c:222: warning: comparison between signed and unsigned > ../../kern/kern_descrip.c: In function `close': > (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. Gary -- Gary Palmer FreeBSD Core Team Member FreeBSD: Turning PC's into workstations. See http://www.FreeBSD.ORG/ for info
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