From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Gregory Heytings via "Emacs development discussions." Newsgroups: gmane.emacs.devel Subject: Re: Script for compiling more quietly Date: Mon, 14 Dec 2020 16:07:04 +0000 Message-ID: References: <87czzg8b8v.fsf@gnus.org> <87y2i0310m.fsf@gnus.org> <838sa0crfn.fsf@gnu.org> Reply-To: Gregory Heytings Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="7991"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Alpine 2.22 (NEB 394 2020-01-19) Cc: larsi@gnus.org, Stefan Monnier , emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Mon Dec 14 17:21:53 2020 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 1koqbh-0001wI-MY for ged-emacs-devel@m.gmane-mx.org; Mon, 14 Dec 2020 17:21:53 +0100 Original-Received: from localhost ([::1]:46156 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1koqbg-0003DA-Oz for ged-emacs-devel@m.gmane-mx.org; Mon, 14 Dec 2020 11:21:52 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:36668) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1koqNX-0002IB-Lk for emacs-devel@gnu.org; Mon, 14 Dec 2020 11:07:15 -0500 Original-Received: from mx.sdf.org ([205.166.94.24]:52075) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1koqNV-0003TH-Gg; Mon, 14 Dec 2020 11:07:15 -0500 Original-Received: from sdf.org (IDENT:ghe@faeroes.freeshell.org [205.166.94.9]) by mx.sdf.org (8.15.2/8.14.5) with ESMTPS id 0BEG76VE001952 (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256 bits) verified NO); Mon, 14 Dec 2020 16:07:07 GMT Original-Received: (from ghe@localhost) by sdf.org (8.15.2/8.12.8/Submit) id 0BEG7jgo013349; Mon, 14 Dec 2020 16:07:45 GMT In-Reply-To: <838sa0crfn.fsf@gnu.org> Received-SPF: pass client-ip=205.166.94.24; envelope-from=ghe@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: 2.1.23 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:260817 Archived-At: >>> C=$(grep '^cpu cores' /proc/cpuinfo | cut -d: -f2 | head -1) >> >> sed -ne '/^cpu cores/{s/.*: *//;p;q}' /proc/cpuinfo > > FWIW, I think you should leave the N part of "make -jN" to the end user. > No one said they have nothing else to do at the same time as they build > Emacs; they could be building some other large program at the same time, > or need the CPU for something else. > It is, the number of cores is just a default value, that can be overridden by "emake -j1" for instance.