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: Fri, 14 Oct 2022 23:09:54 -0400 Message-ID: References: <87ill8paw7.fsf@trouble.defaultvalue.org> <83o7uzivey.fsf@gnu.org> <3ac9d2b9632f75018327a1bcde0c373f152c404a.camel@gmail.com> <835ygob7ja.fsf@gnu.org> <8335bra2rl.fsf@gnu.org> <87ilkncugg.fsf@gnus.org> <87edvbcszx.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="20960"; 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 , liliana.prikler@gmail.com, rlb@defaultvalue.org, emacs-devel@gnu.org To: Andrea Corallo Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sat Oct 15 05:11:02 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 1ojXZl-0005Ca-82 for ged-emacs-devel@m.gmane-mx.org; Sat, 15 Oct 2022 05:11:01 +0200 Original-Received: from localhost ([::1]:55870 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ojXZk-00018B-6H for ged-emacs-devel@m.gmane-mx.org; Fri, 14 Oct 2022 23:11:00 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:47424) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ojXYq-0000JR-FM for emacs-devel@gnu.org; Fri, 14 Oct 2022 23:10:04 -0400 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]:17182) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ojXYo-0000uZ-No; Fri, 14 Oct 2022 23:10:04 -0400 Original-Received: from pmg1.iro.umontreal.ca (localhost.localdomain [127.0.0.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id 6A5D510012E; Fri, 14 Oct 2022 23:10:01 -0400 (EDT) Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id B64F8100098; Fri, 14 Oct 2022 23:09:55 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1665803395; bh=ZY2ODtAABFTADJ6wrGJkVj9CwbpjGw5iv2gV6p6UQFI=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=V3f2K3nuGSXzJZW12XDDEKB/jKmF3dYqqkoUsdKvnw1IIhR9xbBrhSe+gbpkRq0ln 8sNe9mm3JcUASTmAsx2QpUUU6cvj5IZb++4ME0qq3HtW/LvDPRVgQWfDl42LTAeZGV yVGw0qS4TswqjMy0ILopYZLV4cQz6BDqwdNQiNmdND46UKNCMTdGyVDKokHdW8JZhB SkQkFUh60CFkWux3CA33HjqUFmNEkj6rNg9dfogcMYrKPFCNH6P9/raKFWtj6l2C+E IP75G5nTKX4aVCMpZAMwMjjmxgMB1ddRKHv/Xq8ttGE4R+MLCP0JaRUA/mb9Z7anHr mE0TPnT8mjdUg== Original-Received: from pastel (65-110-220-202.cpe.pppoe.ca [65.110.220.202]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id 7719F1209FB; Fri, 14 Oct 2022 23:09:55 -0400 (EDT) In-Reply-To: (Andrea Corallo's message of "Fri, 14 Oct 2022 22:37:51 +0000") 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:297745 Archived-At: Andrea Corallo [2022-10-14 22:37:51] wrote: > Lars Ingebrigtsen writes: >> Lars Ingebrigtsen writes: >>> So we need a recursion blocker in the trampoline generation function. >> Or -- since trampolines are really fast to generate and we need to do >> that synchronously anyway -- we could just avoid forking an Emacs do >> create the trampoline? > We don't do that because libgccjit (well GCC really) leaks memory. But we can do that *in the forked Emacs* (this one will exit after compilation, so leakage is not an issue), so we do fork once but we avoid forking infinitely. Stefan