From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#46256: [feature/native-comp] AOT eln files ignored if run from build tree Date: Wed, 10 Mar 2021 16:07:55 +0200 Message-ID: <83y2evnltw.fsf@gnu.org> References: <83tupms4mp.fsf@gnu.org> <83eegpspjk.fsf@gnu.org> <83r1kpr03h.fsf@gnu.org> <83mtvdqt53.fsf@gnu.org> <83blbsqyea.fsf@gnu.org> <8335x4qofy.fsf@gnu.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="8676"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 46256@debbugs.gnu.org, andrewjmoreton@gmail.com, pipcet@gmail.com, akrl@sdf.org To: Alan Mackenzie Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Wed Mar 10 15:09:27 2021 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lJzWh-00028I-25 for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 10 Mar 2021 15:09:27 +0100 Original-Received: from localhost ([::1]:48682 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lJzWf-0002rU-Na for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 10 Mar 2021 09:09:25 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:59402) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lJzWI-0002r0-EF for bug-gnu-emacs@gnu.org; Wed, 10 Mar 2021 09:09:02 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:37736) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lJzWI-0004D7-6f for bug-gnu-emacs@gnu.org; Wed, 10 Mar 2021 09:09:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1lJzWI-0005xl-28 for bug-gnu-emacs@gnu.org; Wed, 10 Mar 2021 09:09:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 10 Mar 2021 14:09:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 46256 X-GNU-PR-Package: emacs Original-Received: via spool by 46256-submit@debbugs.gnu.org id=B46256.161538528822859 (code B ref 46256); Wed, 10 Mar 2021 14:09:01 +0000 Original-Received: (at 46256) by debbugs.gnu.org; 10 Mar 2021 14:08:08 +0000 Original-Received: from localhost ([127.0.0.1]:49282 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lJzVP-0005wd-RK for submit@debbugs.gnu.org; Wed, 10 Mar 2021 09:08:08 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:41232) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lJzVO-0005w9-3S for 46256@debbugs.gnu.org; Wed, 10 Mar 2021 09:08:06 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:33796) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lJzVI-0003cB-8V; Wed, 10 Mar 2021 09:08:00 -0500 Original-Received: from 84.94.185.95.cable.012.net.il ([84.94.185.95]:1165 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1lJzVH-00031I-Ez; Wed, 10 Mar 2021 09:08:00 -0500 In-Reply-To: (message from Alan Mackenzie on Wed, 10 Mar 2021 13:14:16 +0000) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:201986 Archived-At: > Date: Wed, 10 Mar 2021 13:14:16 +0000 > Cc: akrl@sdf.org, 46256@debbugs.gnu.org, andrewjmoreton@gmail.com, > pipcet@gmail.com > From: Alan Mackenzie > > > Answering my own question here: it can easily happen due to use of > > cc-require in cc-*.el files. Alan, why does CC mode use this > > technique? what is the purpose of always loading a Lisp file even if > > it was already loaded? > > Are you sure? cc-require is intended just to compile a `require' form > (OK, it compiles (progn nil (require 'cc-vars)), but the byte compiler > will optimise the progn away). We are not talking about compilation, we are talking about loading cc-* files. When we process cc-require, we end up loading the required CC mode file, even though it is already loaded. > When loading uncompiled cc-*.el, cc-require does fancy things to make > sure the cc-*.el is in the "correct" directory, but it shouldn't compile > any of this into the *.elc. Maybe there's a bug, somewhere. > > The code in this area was written by Martin Stjernholm (my predecessor), > who was evidently having trouble with "wrong" versions of the *.el files > getting loaded. > > I've had a bit of a look at the thread for bug #46256, but I can't really > follow it, at least not without a lot of effort. Might it be that the > ..eln compiler is doing things on the .el file? I'm not at all familiar > with how the native compilation works, I'm afraid. Maybe. Andrea, could you take a look at what happens with cc-require in the native-comp branch?