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=-5.4 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED,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 224B6C48BE6 for ; Wed, 16 Jun 2021 13:36:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 09BA16128B for ; Wed, 16 Jun 2021 13:36:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233302AbhFPNi3 (ORCPT ); Wed, 16 Jun 2021 09:38:29 -0400 Received: from bhuna.collabora.co.uk ([46.235.227.227]:47642 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230187AbhFPNi2 (ORCPT ); Wed, 16 Jun 2021 09:38:28 -0400 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: adalessandro) with ESMTPSA id 5F33E1F43696 From: Ariel D'Alessandro Subject: Re: [v4l-utils v5 0/5] Add support for meson building To: kieran.bingham@ideasonboard.com, Mauro Carvalho Chehab Cc: linux-media@vger.kernel.org, hverkuil@xs4all.nl, sean@mess.org, p.zabel@pengutronix.de, laurent.pinchart@ideasonboard.com, ezequiel@collabora.com, nicolas@ndufresne.ca, gjasny@googlemail.com, xavier.claessens@collabora.com, nicolas.dufresne@collabora.com, user.vdr@gmail.com, sakari.ailus@iki.fi, rosenp@gmail.com References: <20210512184946.102863-1-ariel.dalessandro@collabora.com> <008aec9c-c1e6-7f8b-dde5-8fa53c1e9ee6@collabora.com> <92b5c1bf-f4cf-5d5e-7c16-57d4a3446f67@ideasonboard.com> <20210518092358.05c7a189@coco.lan> <78322e18-2086-1eda-3b39-bbd71160be27@ideasonboard.com> Message-ID: <8c260749-8b96-8587-5c22-8d7b1210862e@collabora.com> Date: Wed, 16 Jun 2021 10:36:11 -0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.0 MIME-Version: 1.0 In-Reply-To: <78322e18-2086-1eda-3b39-bbd71160be27@ideasonboard.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Hi Kieran, Mauro, Thanks for all the feedback, I'll try to review and address all the comments you've posted. Just a quick comment related to the output size and debug level. On 5/18/21 7:18 AM, Kieran Bingham wrote: > Hi Mauro, > > On 18/05/2021 08:23, Mauro Carvalho Chehab wrote: >> Em Mon, 17 May 2021 23:13:45 +0100 >> Kieran Bingham escreveu: >> [snip] >> Assuming that both builds used the same compilers, a difference at >> the order of (tens of) MB can only be explained if Meson build >> was very incomplete, and/or the output files don't carry the same >> debug info. > > Indeed - compiler debug info level changes could be another thing to > check. That could account for a larger build output difference, but > there's certainly a large discrepancy to solve. I've just checked and autotools is building by default with -g -O2, so meson should be built with --buildtype=debugoptimized to get the same results. I'll dig deeper and post more soon. Regards, Ariel