From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp1 ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms11 with LMTPS id KCyCMzCcCGC9DAAA0tVLHw (envelope-from ) for ; Wed, 20 Jan 2021 21:10:08 +0000 Received: from aspmx1.migadu.com ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp1 with LMTPS id 6HtJLzCcCGC6DQAAbx9fmQ (envelope-from ) for ; Wed, 20 Jan 2021 21:10:08 +0000 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by aspmx1.migadu.com (Postfix) with ESMTPS id 7801A9402B3 for ; Wed, 20 Jan 2021 21:10:08 +0000 (UTC) Received: from localhost ([::1]:53972 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l2Kjv-0005Dg-3Q for larch@yhetil.org; Wed, 20 Jan 2021 16:10:07 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:39588) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l2Kjh-0005DV-4R for guix-devel@gnu.org; Wed, 20 Jan 2021 16:09:54 -0500 Received: from world.peace.net ([64.112.178.59]:44924) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l2Kjf-0002ts-5E for guix-devel@gnu.org; Wed, 20 Jan 2021 16:09:52 -0500 Received: from mhw by world.peace.net with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1l2Kjd-0005Ku-8d; Wed, 20 Jan 2021 16:09:49 -0500 From: Mark H Weaver To: Leo Prikler , guix-devel@gnu.org Subject: Re: Fwd: Building Guile with =?utf-8?B?4oCYLWox4oCZPw==?= In-Reply-To: <372235f86af11b000b1dc2b493e29aca2e8706cc.camel@student.tugraz.at> References: <372235f86af11b000b1dc2b493e29aca2e8706cc.camel@student.tugraz.at> Date: Wed, 20 Jan 2021 16:08:35 -0500 Message-ID: <874kjbgvtd.fsf@netris.org> MIME-Version: 1.0 Content-Type: text/plain Received-SPF: pass client-ip=64.112.178.59; envelope-from=mhw@netris.org; helo=world.peace.net 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_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: guix-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-devel-bounces+larch=yhetil.org@gnu.org Sender: "Guix-devel" X-Migadu-Flow: FLOW_IN X-Migadu-Spam-Score: -1.35 Authentication-Results: aspmx1.migadu.com; dkim=none; dmarc=none; spf=pass (aspmx1.migadu.com: domain of guix-devel-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=guix-devel-bounces@gnu.org X-Migadu-Queue-Id: 7801A9402B3 X-Spam-Score: -1.35 X-Migadu-Scanner: scn1.migadu.com X-TUID: yt0YvKZUOOcD Leo Prikler writes: > There could potentially be another workaround by synchronizing inside > guild, i.e. claiming a lock before reading and evaling any given source > file. This would have the advantage of applying to all guile packages, > not just the ones that use guile-build-system, and it would also allow > non-Guile stuff, e.g. C extensions to be built in parallel. WDYT? I don't think this would solve the problem, because it wouldn't ensure that the Guile modules are compiled in a deterministic order, and therefore the issue I raised in would lead to nondeterministic results. Mark