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: Warnings/errors related to possibly clobbered variables Date: Tue, 13 Jan 2015 18:21:48 +0200 Message-ID: <83k30q4pnn.fsf@gnu.org> References: <54B50246.2070507@yandex.ru> <54B50BC4.3060302@yandex.ru> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1421166122 2717 80.91.229.3 (13 Jan 2015 16:22:02 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 13 Jan 2015 16:22:02 +0000 (UTC) Cc: schwab@suse.de, eggert@cs.ucla.edu, emacs-devel@gnu.org To: Dmitry Antipov Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Jan 13 17:21:56 2015 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 1YB4E6-00016s-Cm for ged-emacs-devel@m.gmane.org; Tue, 13 Jan 2015 17:21:54 +0100 Original-Received: from localhost ([::1]:40040 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YB4E5-0002SQ-QT for ged-emacs-devel@m.gmane.org; Tue, 13 Jan 2015 11:21:53 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:59401) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YB4Dy-0002SI-GK for emacs-devel@gnu.org; Tue, 13 Jan 2015 11:21:51 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YB4Ds-0003LE-V8 for emacs-devel@gnu.org; Tue, 13 Jan 2015 11:21:45 -0500 Original-Received: from mtaout25.012.net.il ([80.179.55.181]:53389) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YB4Ds-0003Kx-Mz for emacs-devel@gnu.org; Tue, 13 Jan 2015 11:21:40 -0500 Original-Received: from conversion-daemon.mtaout25.012.net.il by mtaout25.012.net.il (HyperSendmail v2007.08) id <0NI400M00IAO4900@mtaout25.012.net.il> for emacs-devel@gnu.org; Tue, 13 Jan 2015 18:17:41 +0200 (IST) Original-Received: from HOME-C4E4A596F7 ([87.69.4.28]) by mtaout25.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0NI400LRXILHBA10@mtaout25.012.net.il>; Tue, 13 Jan 2015 18:17:41 +0200 (IST) In-reply-to: <54B50BC4.3060302@yandex.ru> X-012-Sender: halo1@inter.net.il X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 80.179.55.181 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:181224 Archived-At: > Date: Tue, 13 Jan 2015 15:12:52 +0300 > From: Dmitry Antipov > Cc: eggert@cs.ucla.edu, emacs-devel@gnu.org > > On 01/13/2015 02:51 PM, Andreas Schwab wrote: > > > case $with_x_toolkit in > > lucid | athena | motif) > > # Old toolkits mishandle 'const'. > > nw="$nw -Wwrite-strings" > > ;; > > *) > > gl_WARN_ADD([-Werror], [WERROR_CFLAGS]) > > ;; > > esac > > Yes, but the question really was "how seriously we should treat > warnings about XXX which might be clobbered by YYY" :-). Why not declare the offending variables 'volatile' and forget about all this stuff?