From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Lars Ingebrigtsen Newsgroups: gmane.emacs.devel Subject: Re: Dependency graph for Emacs Lisp files Date: Thu, 01 Aug 2019 15:16:55 +0200 Message-ID: <87zhktkou0.fsf@mouse.gnus.org> References: <8736ilnmp7.fsf@mouse.gnus.org> <87pnlphyxk.fsf@russet.org.uk> <87tvb1m66r.fsf@mouse.gnus.org> <87lfwdhvzg.fsf@russet.org.uk> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="10465"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) Cc: emacs-devel@gnu.org To: phillip.lord@russet.org.uk (Phillip Lord) Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Thu Aug 01 15:17:11 2019 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1htAxD-0002cE-Cz for ged-emacs-devel@m.gmane.org; Thu, 01 Aug 2019 15:17:11 +0200 Original-Received: from localhost ([::1]:55866 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1htAxC-0006sF-00 for ged-emacs-devel@m.gmane.org; Thu, 01 Aug 2019 09:17:10 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:59363) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1htAx3-0006rp-Lq for emacs-devel@gnu.org; Thu, 01 Aug 2019 09:17:06 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1htAx2-0004Ag-JY for emacs-devel@gnu.org; Thu, 01 Aug 2019 09:17:01 -0400 Original-Received: from quimby.gnus.org ([80.91.231.51]:34118) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1htAx2-00049j-CQ for emacs-devel@gnu.org; Thu, 01 Aug 2019 09:17:00 -0400 Original-Received: from 77.18.62.220.tmi.telenormobil.no ([77.18.62.220] helo=sandy) by quimby.gnus.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1htAwy-00073Z-JP; Thu, 01 Aug 2019 15:16:59 +0200 In-Reply-To: <87lfwdhvzg.fsf@russet.org.uk> (Phillip Lord's message of "Thu, 01 Aug 2019 14:10:43 +0100") X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 80.91.231.51 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 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" Xref: news.gmane.org gmane.emacs.devel:239099 Archived-At: phillip.lord@russet.org.uk (Phillip Lord) writes: >> (We need to delete B.elc because otherwise `(require B)' in A.el would >> load the old B.elc, and A.el might be byte-compiled before B.el.) > > a.elc: a.el b.elc > b.elc: b.el > > Changes to b.el would now force a.elc recompilation. If this were in > place then the current name based fudge for tests should work. But triggering recompilation isn't enough: b.elc has to be deleted, otherwise compiling a.el will just load the old b.elc. > Of course, I have put this forward in simple terms -- Emacs makefile are > in multiple directories, with dependencies between directories, with a > complicated bootstrap, so the reality would be rather more brutal. Right. -- (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no