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=-3.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED 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 CB335C2D0EC for ; Wed, 8 Apr 2020 02:37:10 +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 86B2120730 for ; Wed, 8 Apr 2020 02:37:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=gibson.dropbear.id.au header.i=@gibson.dropbear.id.au header.b="M34JQJ3P" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 86B2120730 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=gibson.dropbear.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:55352 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jM0aT-0001LT-Mk for qemu-devel@archiver.kernel.org; Tue, 07 Apr 2020 22:37:09 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:50569) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jM0Za-0000Ft-1Y for qemu-devel@nongnu.org; Tue, 07 Apr 2020 22:36:15 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jM0ZY-0003wu-HU for qemu-devel@nongnu.org; Tue, 07 Apr 2020 22:36:13 -0400 Received: from bilbo.ozlabs.org ([2401:3900:2:1::2]:56841 helo=ozlabs.org) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1jM0ZW-0003mZ-4c for qemu-devel@nongnu.org; Tue, 07 Apr 2020 22:36:11 -0400 Received: by ozlabs.org (Postfix, from userid 1007) id 48xpLD06Crz9sSj; Wed, 8 Apr 2020 12:36:03 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gibson.dropbear.id.au; s=201602; t=1586313364; bh=GavUyRU1Os05ZnO+wP19ljW1i49iDVMq0ikxbW/PeNE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=M34JQJ3PHz91qYfZAjhGUR1Y9AUE8HjHMK6sm8pxz/jtKb+g3OetVlPjm5U9TNJi7 wshbf+O3ZVXtyXmbWU7/3v3vk8691yHWeA4mKpFOlb7zSsVAd3N7EhXOwFNsv0jtS+ v5wF1Cj20Dx82cdMhukEFgcqSl46BLFdc3Io8c4I= Date: Wed, 8 Apr 2020 11:57:17 +1000 From: David Gibson To: Peter Maydell Subject: Re: [PATCH] configure: check for bison, flex before dtc submodule build Message-ID: <20200408015717.GA44664@umbus.fritz.box> References: <20200407111618.17241-1-cfontana@suse.de> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="y0ulUmNC+osPPQO6" Content-Disposition: inline In-Reply-To: X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2401:3900:2:1::2 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: QEMU Developers , Alex Bennee , Claudio Fontana , Laurent Vivier Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" --y0ulUmNC+osPPQO6 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Apr 07, 2020 at 12:20:15PM +0100, Peter Maydell wrote: > On Tue, 7 Apr 2020 at 12:16, Claudio Fontana wrote: > > > > if fdt is required, and the system DTC (libfdt) is not usable, > > check for the dtc submodule requirements before trying to build it, > > and error out with a helpful message in case the dependencies are not m= et. > > > > Signed-off-by: Claudio Fontana >=20 > Does the dtc module actually need bison/flex, or does it just > print an ugly warning about it? We only want the 'libfdt' part > of dtc, which doesn't need the parser, we don't need to build > the actual dtc compiler. Assuming we're just invoking "make libfdt" within the submodule, rather than "make" which will build dtc as well, then bison / flex shouldn't be needed. --=20 David Gibson | I'll have my music baroque, and my code david AT gibson.dropbear.id.au | minimalist, thank you. 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