From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#32189: 27.0.50; GCC 7 warning due to -Wformat-truncation=2 Date: Fri, 20 Jul 2018 17:51:51 +0300 Message-ID: <834lgu0xko.fsf@gnu.org> References: <031d18cf-e661-6dea-8882-38d75924d0d4@cornell.edu> <83601c4m37.fsf@gnu.org> <83in5b2w1q.fsf@gnu.org> <83d0vj2tu2.fsf@gnu.org> <6642c8ac-55ff-ca2b-0141-a26b69d082ad@cs.ucla.edu> <83y3e61jl2.fsf@gnu.org> <83601a0z66.fsf@gnu.org> <8a6d43f0-02b2-87a4-4a2a-1abb76cbd577@cornell.edu> <760fc9a2-26b9-a322-f8d0-c32cb9e6d8bf@cs.ucla.edu> NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1532098269 29570 195.159.176.226 (20 Jul 2018 14:51:09 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Fri, 20 Jul 2018 14:51:09 +0000 (UTC) Cc: p.stephani2@gmail.com, 32189@debbugs.gnu.org To: Paul Eggert Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Jul 20 16:51:05 2018 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fgWkL-0007bA-8N for geb-bug-gnu-emacs@m.gmane.org; Fri, 20 Jul 2018 16:51:05 +0200 Original-Received: from localhost ([::1]:48486 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fgWmS-0007gq-AM for geb-bug-gnu-emacs@m.gmane.org; Fri, 20 Jul 2018 10:53:16 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:47954) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fgWmI-0007gY-VU for bug-gnu-emacs@gnu.org; Fri, 20 Jul 2018 10:53:07 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fgWmE-0003ZQ-Bz for bug-gnu-emacs@gnu.org; Fri, 20 Jul 2018 10:53:07 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:44834) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1fgWmE-0003ZK-87 for bug-gnu-emacs@gnu.org; Fri, 20 Jul 2018 10:53:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1fgWmD-0004KX-UH for bug-gnu-emacs@gnu.org; Fri, 20 Jul 2018 10:53:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 20 Jul 2018 14:53:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 32189 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 32189-submit@debbugs.gnu.org id=B32189.153209832516557 (code B ref 32189); Fri, 20 Jul 2018 14:53:01 +0000 Original-Received: (at 32189) by debbugs.gnu.org; 20 Jul 2018 14:52:05 +0000 Original-Received: from localhost ([127.0.0.1]:49852 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fgWlJ-0004Iz-9B for submit@debbugs.gnu.org; Fri, 20 Jul 2018 10:52:05 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:56738) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fgWlI-0004IV-Ba for 32189@debbugs.gnu.org; Fri, 20 Jul 2018 10:52:04 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fgWl8-0002w8-9a for 32189@debbugs.gnu.org; Fri, 20 Jul 2018 10:51:59 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:35908) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fgWl8-0002vs-63; Fri, 20 Jul 2018 10:51:54 -0400 Original-Received: from [176.228.60.248] (port=4469 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1fgWl6-0001A3-7z; Fri, 20 Jul 2018 10:51:53 -0400 In-reply-to: <760fc9a2-26b9-a322-f8d0-c32cb9e6d8bf@cs.ucla.edu> (message from Paul Eggert on Fri, 20 Jul 2018 07:37:18 -0700) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:148734 Archived-At: > Cc: p.stephani2@gmail.com, 32189@debbugs.gnu.org > From: Paul Eggert > Date: Fri, 20 Jul 2018 07:37:18 -0700 > > > maybe we should disable it for GCC 7 alone? > > I'd rather not bother. Better to move on. The general rule for warnings should > be to cater to the latest GCC, and not worry much about older ones. (I used to > try doing things the other way and it was way more trouble than it was worth.) > We need to cater to old compilers for correctness, but we don't need to do it > for warnings. Having warnings from recent versions of the compiler, which are likely to be used by frequent contributors, runs the risk of making them ignore warnings, which I think is not a good thing. Anyway, we solved this one, so no need to argue more.