From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 64650C433DF for ; Thu, 20 Aug 2020 11:56:50 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 333AB22BED for ; Thu, 20 Aug 2020 11:56:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="BNz7ns+k" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 333AB22BED Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:33462 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1k8jBZ-0006QB-Ek for qemu-devel@archiver.kernel.org; Thu, 20 Aug 2020 07:56:49 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:39268) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1k8jB3-00060z-UB for qemu-devel@nongnu.org; Thu, 20 Aug 2020 07:56:17 -0400 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:49696 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1k8jB1-0005uw-OS for qemu-devel@nongnu.org; Thu, 20 Aug 2020 07:56:17 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1597924574; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=UBhTjgNWAR+w2XmbqpDKvQvrse6BnD8mHONHHbHbeKg=; b=BNz7ns+k/mRgapL3K/MwHO5lWxAdOygrrDo/nG72GXK2ppVmVPB56Kdjc/4SimX6z8n/P0 71Gu83ihrzdJFjVDrdhVt34s98nsiLYaqRY5p9Wj7dh8DySrZkgQdC+BxMqS6J7SePkyIP CTQCnSWaBbjyx2eT5gNXPDQ7q5wf5Pg= Received: from mail-wm1-f71.google.com (mail-wm1-f71.google.com [209.85.128.71]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-380-7PT5I7ufMpOIa4ly8Qtg6Q-1; Thu, 20 Aug 2020 07:56:11 -0400 X-MC-Unique: 7PT5I7ufMpOIa4ly8Qtg6Q-1 Received: by mail-wm1-f71.google.com with SMTP id z10so696543wmi.8 for ; Thu, 20 Aug 2020 04:56:11 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=UBhTjgNWAR+w2XmbqpDKvQvrse6BnD8mHONHHbHbeKg=; b=XND3Y5t+FWEB78CZR2xzcDzCVncteXYk7xSxPIpGsxWjAWKRLtUxBFRpUisobDAADe DZwV6o81i1ms+Lm7z4hSSjsFx5TMnTirx9QJPYZN8ezTDMHTW7imChkxJzizSUT0NUow LyBwrGjp62YZvJ+XeoZl1VKv8wGfHZUILSsppMg7bTuke7eTZTUAdeE/FgC+/UVlnc/H YOtvYjAdNbBn/9paXzBHFn/W22RI+gZOzVQ98sqa09kW5v8ARK9eQ+HXQCgjRHhnMGgc acvukdKjbiK3pmM+7YWyymN1D2wrKkIQc15g6cSlIycCBQvGe/3D47Akg3QXXJzdmFcr ao7A== X-Gm-Message-State: AOAM530VEk5wSR15fDQO3ECOw029Mbm7JQHqTNet6WHPQktfJEaizOli ZLNcxpGduPRlpCtJ04UcmaYJIwczE9JvjMaA2h2/TiPzZ3T3tiQ6oJnaypUgab7ekS+Hy2APjOn bn16xf0yfvXdEJTE= X-Received: by 2002:a1c:3b89:: with SMTP id i131mr3207897wma.30.1597924569822; Thu, 20 Aug 2020 04:56:09 -0700 (PDT) X-Google-Smtp-Source: ABdhPJw7UAXXBkzEcBIkIISXILSSejq276vWZe+bjhshjPU9othTn3plZZCueHhaOY81K4XnbVC9Qw== X-Received: by 2002:a1c:3b89:: with SMTP id i131mr3207886wma.30.1597924569585; Thu, 20 Aug 2020 04:56:09 -0700 (PDT) Received: from ?IPv6:2001:b07:6468:f312:1cc0:4e4e:f1a9:1745? ([2001:b07:6468:f312:1cc0:4e4e:f1a9:1745]) by smtp.gmail.com with ESMTPSA id l11sm3607496wme.11.2020.08.20.04.56.08 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 20 Aug 2020 04:56:08 -0700 (PDT) Subject: Re: deprecation of in-tree builds To: Kevin Wolf , Peter Maydell References: <20200323133244.GK261260@stefanha-x1.localdomain> <20200820105401.GA99531@linux.fritz.box> From: Paolo Bonzini Message-ID: <9bdbb3b9-01df-2a6b-0c82-b58ef6e0edf9@redhat.com> Date: Thu, 20 Aug 2020 13:56:07 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.9.0 MIME-Version: 1.0 In-Reply-To: <20200820105401.GA99531@linux.fritz.box> Content-Language: en-US Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=pbonzini@redhat.com X-Mimecast-Spam-Score: 0.001 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=205.139.110.120; envelope-from=pbonzini@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/08/20 03:03:32 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -40 X-Spam_score: -4.1 X-Spam_bar: ---- X-Spam_report: (-4.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Stefan Hajnoczi , QEMU Developers Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 20/08/20 12:54, Kevin Wolf wrote: >> Paolo's conversion-to-Meson patchseries is about to land, so now >> is the time for people who would like this "automatically create >> a build directory and use it" behaviour to write the necessary >> patches. Any volunteers ? >> >> My current plan is to land the Meson series first, because it is >> really painful for Paolo to try to keep rebasing it as other >> changes to the old build system occur. This would break >> in-tree builds temporarily until the "automatic creation and >> use of a builddir" patches go in on top of it. > > Usually, our requirement is that patch series don't break anything. And > if something slips through, whoever broke it is supposed to fix it, not > whoever is affected. The Meson conversion was announced in October 2019 as breaking in-tree builds, and the deprecation request is from March 2020. So I don't think this is a breakage but rather a widely-announced change. Paolo