From owner-freebsd-hackers Sat Jul 6 00:21:34 1996 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id AAA25464 for hackers-outgoing; Sat, 6 Jul 1996 00:21:34 -0700 (PDT) Received: from irz301.inf.tu-dresden.de (irz301.inf.tu-dresden.de [141.76.1.11]) by freefall.freebsd.org (8.7.5/8.7.3) with SMTP id AAA25458 for ; Sat, 6 Jul 1996 00:21:32 -0700 (PDT) Received: from sax.sax.de by irz301.inf.tu-dresden.de (8.6.12/8.6.12-s1) with ESMTP id JAA04881 for ; Sat, 6 Jul 1996 09:21:25 +0200 Received: (from uucp@localhost) by sax.sax.de (8.6.12/8.6.12-s1) with UUCP id JAA05642 for freebsd-hackers@freebsd.org; Sat, 6 Jul 1996 09:21:24 +0200 Received: (from j@localhost) by uriah.heep.sax.de (8.7.5/8.6.9) id IAA04488 for freebsd-hackers@freebsd.org; Sat, 6 Jul 1996 08:55:03 +0200 (MET DST) From: J Wunsch Message-Id: <199607060655.IAA04488@uriah.heep.sax.de> Subject: Re: gcc lies? To: freebsd-hackers@freebsd.org (FreeBSD hackers) Date: Sat, 6 Jul 1996 08:55:03 +0200 (MET DST) Reply-To: joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch) In-Reply-To: <199607051011.MAA15302@allegro.lemis.de> from Greg Lehey at "Jul 5, 96 12:11:51 pm" X-Phone: +49-351-2012 669 X-PGP-Fingerprint: DC 47 E6 E4 FF A6 E9 8F 93 21 E0 7D F9 12 D6 4E X-Mailer: ELM [version 2.4ME+ PL17 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-hackers@freebsd.org X-Loop: FreeBSD.org Precedence: bulk As Greg Lehey wrote: > So I installed 2.7.2 as my standard compiler, and hey! suddenly I get > thousands of warnings from my kernel builds. For example, That has been reported before, e.g. by Peter Wemm. > ../../kern/kern_descrip.c:127: warning: comparison between signed and unsigned gcc 2.6 doesn't warn these (RTFM -- it does only warn comparision of unsigned > 0 or <= 0). Most (if not all) of your examples refer to the structure tag fd_nfiles which is declared `int', but continously used in an unsigned context. -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-)