From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: phillip.lord@russet.org.uk (Phillip Lord) Newsgroups: gmane.emacs.devel Subject: Re: Warning on files byte-compiled with different versions Date: Fri, 12 Feb 2016 14:09:57 +0000 Message-ID: <87pow2c956.fsf@russet.org.uk> References: <87mvr7nxu4.fsf@russet.org.uk> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1455286239 12862 80.91.229.3 (12 Feb 2016 14:10:39 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 12 Feb 2016 14:10:39 +0000 (UTC) To: Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Feb 12 15:10:34 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 1aUEQb-00030D-5a for ged-emacs-devel@m.gmane.org; Fri, 12 Feb 2016 15:10:33 +0100 Original-Received: from localhost ([::1]:32912 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aUEQa-0005vN-BA for ged-emacs-devel@m.gmane.org; Fri, 12 Feb 2016 09:10:32 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:55191) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aUEQB-0005nN-6z for emacs-devel@gnu.org; Fri, 12 Feb 2016 09:10:12 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aUEQ5-0002fy-Ir for emacs-devel@gnu.org; Fri, 12 Feb 2016 09:10:07 -0500 Original-Received: from cheviot22.ncl.ac.uk ([128.240.234.22]:39890) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aUEQ5-0002f3-D5 for emacs-devel@gnu.org; Fri, 12 Feb 2016 09:10:01 -0500 Original-Received: from smtpauth-vm.ncl.ac.uk ([10.8.233.129] helo=smtpauth.ncl.ac.uk) by cheviot22.ncl.ac.uk with esmtp (Exim 4.63) (envelope-from ) id 1aUEQ1-0003rr-Fl for emacs-devel@gnu.org; Fri, 12 Feb 2016 14:09:57 +0000 Original-Received: from jangai.ncl.ac.uk ([10.66.67.223] helo=localhost) by smtpauth.ncl.ac.uk with esmtpsa (TLSv1:AES128-SHA:128) (Exim 4.63) (envelope-from ) id 1aUEQ1-00071D-Pa for emacs-devel@gnu.org; Fri, 12 Feb 2016 14:09:57 +0000 In-Reply-To: <87mvr7nxu4.fsf@russet.org.uk> (Phillip Lord's message of "Thu, 11 Feb 2016 14:08:51 +0000") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 128.240.234.22 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:199819 Archived-At: So, the answer is no, AFAICT. Second question, is there any reason why this kind of functionality could not be added? Phil Phillip Lord writes: > Does Emacs give a warning when loading .elc's created with a different > version? > > I ask because I've seen a few problems recently which appear to be > caused by loading ELCs created with Emacs-25 in a Emacs-24.5 release. > > Given that Emacs currently emits "compiled file is older than source > file" type warnings, this would seem to be a good thing to me. > > Phil