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=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 1AD2DC43331 for ; Mon, 30 Mar 2020 13:28:00 +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 CA0FC20733 for ; Mon, 30 Mar 2020 13:27:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="YaP5p7uB" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CA0FC20733 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]:49892 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jIuSM-0007PR-VS for qemu-devel@archiver.kernel.org; Mon, 30 Mar 2020 09:27:58 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:47874) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jIuR2-0006R7-5e for qemu-devel@nongnu.org; Mon, 30 Mar 2020 09:26:37 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jIuR0-0006nq-2F for qemu-devel@nongnu.org; Mon, 30 Mar 2020 09:26:35 -0400 Received: from us-smtp-delivery-74.mimecast.com ([63.128.21.74]:47316) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1jIuQz-0006kk-T8 for qemu-devel@nongnu.org; Mon, 30 Mar 2020 09:26:34 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1585574793; 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=7gJlPOL1Z+hxa4i8A/fTq6lrhFzYdyDRoYnXLJtaQ24=; b=YaP5p7uBUpY3VJmjeb6UWwbLRR3Dnek2xX9raQZRpuFzTi4bdGsSqAa4eDW1AYTH8fyaWJ nSIloV/l3pid2KcVCQ4Cn91ZFmO5jc6Clc/Obs8DirInkANjCa8er6wU5kRMfoziC7F7zm lkbV5ZU5HvbzhpCF0c0zQlC7uBT5StA= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-290-Rh7LK2uyNxiHOhr3mwMtyw-1; Mon, 30 Mar 2020 09:26:28 -0400 X-MC-Unique: Rh7LK2uyNxiHOhr3mwMtyw-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id A0B801005509; Mon, 30 Mar 2020 13:26:26 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-112-69.ams2.redhat.com [10.36.112.69]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 53E4F60BE2; Mon, 30 Mar 2020 13:26:26 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id D7CA411385E2; Mon, 30 Mar 2020 15:26:24 +0200 (CEST) From: Markus Armbruster To: Peter Maydell Subject: Re: deprecation of in-tree builds References: Date: Mon, 30 Mar 2020 15:26:24 +0200 In-Reply-To: (Peter Maydell's message of "Sat, 21 Mar 2020 20:50:34 +0000") Message-ID: <87v9mmug73.fsf@dusky.pond.sub.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 63.128.21.74 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: Paolo Bonzini , QEMU Developers Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Peter Maydell writes: > AIUI from Paolo, the intention is to deprecate and eventually > stop supporting "in-tree" builds, so that the only option is > building in a separate build directory. I thought we should > probably mention that in the 5.0 changelog, so I wrote up some > text: > > https://wiki.qemu.org/ChangeLog/5.0#Build_Information Overdue. Thanks for doing this! > Suggestions for changes/comments etc welcome. Looks fine to me. > (One thing we will need to fix before we can do separate build > tree is the Coverity Scan build process, which (a) does an > in-tree build (b) can't be easily switched to a builddir because > all the source paths get baked into the scan results and moving > to a builddir changes them all...) > > We could also make configure actively warn if used in > the source tree. Unless we commit to automatically creating a default out-of-tree build directory for this usage. I wouldn't bother myself.