From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: -Wall Date: Tue, 05 Apr 2016 17:35:43 +0300 Message-ID: <8360vwnmww.fsf@gnu.org> References: <5702B7C9.6010805@cs.ucla.edu> <570304CB.4050409@cs.ucla.edu> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1459866994 18907 80.91.229.3 (5 Apr 2016 14:36:34 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 5 Apr 2016 14:36:34 +0000 (UTC) Cc: eggert@cs.ucla.edu, emacs-devel@gnu.org To: Lars Magne Ingebrigtsen Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Apr 05 16:36:30 2016 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1anS5m-00016p-1u for ged-emacs-devel@m.gmane.org; Tue, 05 Apr 2016 16:36:30 +0200 Original-Received: from localhost ([::1]:37460 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1anS5l-0005L9-1d for ged-emacs-devel@m.gmane.org; Tue, 05 Apr 2016 10:36:29 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:33392) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1anS5U-0005Il-3q for emacs-devel@gnu.org; Tue, 05 Apr 2016 10:36:15 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1anS5O-0005Rd-Hb for emacs-devel@gnu.org; Tue, 05 Apr 2016 10:36:12 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:49527) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1anS5O-0005RT-Em; Tue, 05 Apr 2016 10:36:06 -0400 Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:4213 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.82) (envelope-from ) id 1anS5N-0002kx-L9; Tue, 05 Apr 2016 10:36:06 -0400 In-reply-to: (message from Lars Magne Ingebrigtsen on Tue, 05 Apr 2016 09:39:02 +0200) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:202735 Archived-At: > From: Lars Magne Ingebrigtsen > Date: Tue, 05 Apr 2016 09:39:02 +0200 > Cc: emacs-devel@gnu.org > > I still think that warnings should be enabled by default (on Linux), but > they shouldn't be treated as errors. I disagree. "gcc -Wall" is at times very noisy and tends to flag perfectly valid C as suspect. The noise level sometimes makes it hard to find real problems drowned in the sea of false alarms. I usually compile once with -Wall after significant changes, and that is enough to catch any real issues.