From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Steingold Newsgroups: gmane.emacs.devel Subject: Re: More reliable byte compilation, take 45 Date: Tue, 05 Oct 2021 10:51:20 -0400 Organization: disorganization Message-ID: References: <87sfxhm5aw.fsf@gnus.org> Reply-To: sds@gnu.org Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="18851"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (darwin) To: emacs-devel@gnu.org Cancel-Lock: sha1:Gp1wVrb1Bc2yzXY2cUHfkdIZmDY= Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Tue Oct 05 17:29:00 2021 Return-path: Envelope-to: ged-emacs-devel@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 1mXmNI-0004gf-80 for ged-emacs-devel@m.gmane-mx.org; Tue, 05 Oct 2021 17:29:00 +0200 Original-Received: from localhost ([::1]:52238 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mXmNG-0006ir-SS for ged-emacs-devel@m.gmane-mx.org; Tue, 05 Oct 2021 11:28:58 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:57754) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mXlqa-00076C-AY for emacs-devel@gnu.org; Tue, 05 Oct 2021 10:55:13 -0400 Original-Received: from ciao.gmane.io ([116.202.254.214]:40202) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mXlqT-0005Yr-OL for emacs-devel@gnu.org; Tue, 05 Oct 2021 10:55:08 -0400 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1mXlqQ-000AbK-D7 for emacs-devel@gnu.org; Tue, 05 Oct 2021 16:55:02 +0200 X-Injected-Via-Gmane: http://gmane.org/ X-Attribution: Sam X-Disclaimer: You should not expect anyone to agree with me. Received-SPF: pass client-ip=116.202.254.214; envelope-from=ged-emacs-devel@m.gmane-mx.org; helo=ciao.gmane.io X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.249, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action 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-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:276337 Archived-At: > * Steingold [2021-10-04 12:03:34 -0400]: > >> * Lars Ingebrigtsen [2021-10-04 12:51:19 +0200]: >> >> A defensive solution would be to recompile all libraries that require a >> library, building a dependency tree from require/autoloads/etc, but the >> problem is then that if you edit anything in subr.el, then you have to >> recompile all the .el files, basically. So it's not practical. > > Nevertheless, this is TRT (and your solution is far too complicated, IMO). > > Another solution was adopted by CLISP. > (https://clisp.sourceforge.io/impnotes/require.html#lib-files) > > Briefly, compilation of `foo.el` should produce 2 files: > > 1. `foo.elc`, as now - this is the code whose loading is functionally > equivalent to loading `foo.el` > > 2. `foo.ell` (lib) - this contains only the compile-time dependencies > (i.e., compiled `defvar`, `defconst`, `defmacro`, and `defsubst` > definitions and function declarations) actually, "elh" is more intuitive - this is "compiled header" file, similar to *.h in C. > When the byte compiler sees `(require 'foo)`, it will check that `foo.ell` > has changed since last loaded and will reload it automatically. -- Sam Steingold (http://sds.podval.org/) on darwin Ns 10.3.1894 http://childpsy.net http://calmchildstories.com http://steingoldpsychology.com https://camera.org https://memri.org https://iris.org.il https://jihadwatch.org "Sustainability" without "population growth control" is hypocrisy.