From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Andrea Corallo Newsgroups: gmane.emacs.devel Subject: Re: Suppressing native compilation (short and long term) Date: Wed, 05 Oct 2022 12:51:36 +0000 Message-ID: References: <87bkqxf1ij.fsf@tethera.net> <8335c9dkyf.fsf@gnu.org> <83tu4odez7.fsf@gnu.org> <871qrrpkgx.fsf@trouble.defaultvalue.org> <834jwnbi6c.fsf@gnu.org> <87mtafnun5.fsf@trouble.defaultvalue.org> <83sfk6ahty.fsf@gnu.org> <8735c6b0wo.fsf@gnus.org> <87y1ty9lha.fsf@gnus.org> <87lepym6ok.fsf@trouble.defaultvalue.org> <877d1i9h7k.fsf@gnus.org> <83edvqyr3q.fsf@gnu.org> <874jwl8e4p.fsf@gnus.org> <87ill16t3a.fsf@gnus.org> <87edvp6nnf.fsf@gnus.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="23088"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) Cc: Lars Ingebrigtsen , Eli Zaretskii , rlb@defaultvalue.org, david@tethera.net, emacs-devel@gnu.org To: Stefan Monnier Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Wed Oct 05 14:58:51 2022 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 1og3z8-0005ns-Op for ged-emacs-devel@m.gmane-mx.org; Wed, 05 Oct 2022 14:58:50 +0200 Original-Received: from localhost ([::1]:37344 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1og3z7-0000Ey-Hx for ged-emacs-devel@m.gmane-mx.org; Wed, 05 Oct 2022 08:58:49 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:53600) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1og3sD-0006Cw-Js for emacs-devel@gnu.org; Wed, 05 Oct 2022 08:51:41 -0400 Original-Received: from mx.sdf.org ([205.166.94.24]:57088) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1og3sB-0001vG-T6; Wed, 05 Oct 2022 08:51:41 -0400 Original-Received: from ma.sdf.org (ma.sdf.org [205.166.94.33]) by mx.sdf.org (8.15.2/8.14.5) with ESMTPS id 295CpaK4026250 (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256 bits) verified NO); Wed, 5 Oct 2022 12:51:36 GMT In-Reply-To: (Stefan Monnier's message of "Mon, 03 Oct 2022 09:42:18 -0400") Received-SPF: pass client-ip=205.166.94.24; envelope-from=akrl@sdf.org; helo=mx.sdf.org X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 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:296956 Archived-At: Stefan Monnier writes: > Lars Ingebrigtsen [2022-10-03 15:29:40] wrote: >> Stefan Monnier writes: >>> AFAICT so far I've heard of two reasons to "disable automatic native >>> compilation": >>> >>> A) Avoid the "uncontrolled" (mostly in terms of *when* it happens) >>> resource usage associated with it (e.g. battery). >>> >>> B) Avoid writing to $HOME. >>> >>> For (A), I think that (setq native-comp-deferred-compilation nil) seems >>> perfectly sufficient (you can set it early in your (early) init file and if >>> every blue moon some native compilation still happens because of a file >>> loaded before that `setq` it shouldn't be a big deal). >> >> I've now introduced the new inhibit-native-compilation variable and >> deprecated the native-comp-deferred-compilation variable, and also >> initialised stuff from EMACS_INHIBIT_NATIVE_COMPILATION. >> (And made trampolines not write to the cache in this case.) > > AFAICT for the case (A), we *do* want to save trampolines for the next > time around, and those users probably do want to use native compilation > (e.g. they would likely set `package-native-compile` to non-nil), just > not the deferred kind, so the var name is a bit odd for them. I find this name odd as well. `inhibit-native-compilation' is *not* disabling native compilation for two reasons: 1- One can still inoke it manually 2- Trampoline automatic ocmpilation is still active Andrea