From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: Suppressing native compilation (short and long term) Date: Mon, 03 Oct 2022 09:42:18 -0400 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="29242"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) Cc: Eli Zaretskii , rlb@defaultvalue.org, david@tethera.net, emacs-devel@gnu.org, akrl@sdf.org To: Lars Ingebrigtsen Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Mon Oct 03 15:44:08 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 1ofLjs-0007Tv-5U for ged-emacs-devel@m.gmane-mx.org; Mon, 03 Oct 2022 15:44:08 +0200 Original-Received: from localhost ([::1]:40480 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ofLjr-0005JE-3Y for ged-emacs-devel@m.gmane-mx.org; Mon, 03 Oct 2022 09:44:07 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:44732) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ofLiJ-00031c-E2 for emacs-devel@gnu.org; Mon, 03 Oct 2022 09:42:32 -0400 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]:37746) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ofLiF-00027k-2B; Mon, 03 Oct 2022 09:42:29 -0400 Original-Received: from pmg1.iro.umontreal.ca (localhost.localdomain [127.0.0.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id 5E7B9100138; Mon, 3 Oct 2022 09:42:21 -0400 (EDT) Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id E581A1000DD; Mon, 3 Oct 2022 09:42:19 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1664804539; bh=zBUspgqov+GlrwFxd8+EnUiY0HRjsU0iJ194kHteg6o=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=TEuiUshlCn/tKvdUEpSW0Jkk2FhvTCE4Yc+VozSX75axhQwsPOcmfbLE8rmwJ9xT+ dXa2hF1y2iwPVHp4ZUeDcik5FFDreuDsk0dB+82TvVdEv5OYWmLOFTlvqLfm4elQae VZcDyfBTIpovOTlWrEcoF6EOCupumzCXY2ULfQyL2c2f0f2PBT+81quulH/AZKETZy +mZmdkOSyBbOgeEBhKyr4kePFmPZqH5DvdfoiVkCsmS9vICa9+I4TKgw/Z7LDcSRFv mRB5werv4TuN4HsZYKj/toyhZxAxtacsFr23ZOHsJe6QZiY2Rnjbkg6ZLIT5+9HRIE o2lBbu8IrqCmQ== Original-Received: from pastel (65-110-220-202.cpe.pppoe.ca [65.110.220.202]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id 8DE2612090D; Mon, 3 Oct 2022 09:42:19 -0400 (EDT) In-Reply-To: <87edvp6nnf.fsf@gnus.org> (Lars Ingebrigtsen's message of "Mon, 03 Oct 2022 15:29:40 +0200") Received-SPF: pass client-ip=132.204.25.50; envelope-from=monnier@iro.umontreal.ca; helo=mailscanner.iro.umontreal.ca X-Spam_score_int: -42 X-Spam_score: -4.3 X-Spam_bar: ---- X-Spam_report: (-4.3 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=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:296747 Archived-At: 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. Stefan