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[178.27.66.188]) by smtp.gmail.com with ESMTPSA id f12sm24954497wrg.5.2019.07.01.10.03.16 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 01 Jul 2019 10:03:16 -0700 (PDT) Subject: Re: multi MACHINE build for same DISTRO_ARCH To: Jan Kiszka , isar-users@googlegroups.com References: <091c680c-8836-0efd-acbb-68d306ae5305@googlemail.com> <626786fb-3b6d-d569-7429-ac1a5a05d685@siemens.com> From: Benedikt Niedermayr Message-ID: Date: Mon, 1 Jul 2019 19:03:11 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.1 MIME-Version: 1.0 In-Reply-To: <626786fb-3b6d-d569-7429-ac1a5a05d685@siemens.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US X-TUID: aUPmcrRA+BwX Am 01.07.19 um 16:51 schrieb Jan Kiszka: > On 01.07.19 16:41, 'Benedikt Niedermayr' via isar-users wrote: >> Hi guys, >> >> before I send some patches to you I would like to discuss this a bit. >> >> The problem is to run multi machine builds for the same DISTRO_ARCH. >> >> We have for example a BSP layer which supports imx6, imx7 and imx8 >> architectures, and we like to be able to run >> >> those builds within a single bitbake command: >> >> >> bitbake multiconfig:imx6-stretch:isar-image-base \ >> >>               multiconfig:imx7-stretch:isar-image-base \ >> >>               multiconfig:imx8-stretch:isar-image-base >> >> >> The build runs fine if DISTRO_ARCH differs between targets. But it >> does not run successfully if only MACHINE differs and DISTRO_ARCH is >> the same. >> >> >> I think running multi machine build within one bitbake build folder >> makes a lot of sense, especially when it comes to build time and CI. >> >> I don't like it to create a new build folder for every MACHINE, >> although everything (rootfs, buildchroot, etc.) stays almost the same >> among DISTRO_ARCHs. >> >> >> >> Is anybody familiar with this behavior? >> > > You may want to study https://github.com/siemens/jailhouse-images for > a working pattern. May not be the only possible one, but already that > required some careful balancing. > > Jan > Hi Jan, thanks. I will take a look at it and reply ASAP.