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[85.214.62.211]) by gmr-mx.google.com with ESMTPS id d12-v6si46806wrs.0.2018.07.17.08.19.02 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 17 Jul 2018 08:19:02 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of asmirnov@ilbers.de designates 85.214.62.211 as permitted sender) client-ip=85.214.62.211; Authentication-Results: gmr-mx.google.com; spf=pass (google.com: best guess record for domain of asmirnov@ilbers.de designates 85.214.62.211 as permitted sender) smtp.mailfrom=asmirnov@ilbers.de Received: from [10.0.2.15] ([188.227.110.165]) (authenticated bits=0) by aqmola.ilbers.de (8.14.4/8.14.4/Debian-4+deb7u1) with ESMTP id w6HFIwLp024972 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NOT); Tue, 17 Jul 2018 17:19:00 +0200 Subject: Re: [PATCH v3 0/7] Isar cross-compilation support From: Alexander Smirnov To: Jan Kiszka , isar-users@googlegroups.com References: <20180717131811.14239-1-asmirnov@ilbers.de> <5c45490f-9dce-b43a-14b3-8347931c40ef@siemens.com> <68c4a960-ef36-1ec7-ee2a-d990e427a0ea@siemens.com> <1a437707-b3da-6f04-6dc0-06599faaaad9@ilbers.de> Message-ID: <1d35e2db-9fc8-6b67-1601-aaf44e00ae5c@ilbers.de> Date: Tue, 17 Jul 2018 18:18:53 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 MIME-Version: 1.0 In-Reply-To: <1a437707-b3da-6f04-6dc0-06599faaaad9@ilbers.de> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit X-TUID: KcqSRc4GmHOf On 07/17/2018 06:06 PM, Alexander Smirnov wrote: > On 07/17/2018 05:40 PM, Jan Kiszka wrote: >> On 2018-07-17 15:38, [ext] Jan Kiszka wrote: >>> On 2018-07-17 15:18, Alexander Smirnov wrote: >>>> Hi everybody, >>>> >>>> sorry for the delay, this is the third version of cross-compilation >>>> support for Isar. >>>> >>> >>> Thanks for the update! >>> >>>> Supported targets for cross-compilation: >>>>   - stretch armhf >>>>   - stretch amd64 >>>> >>>> Artifacts could be cross-compiled: >>>>   - dpkg.bbclass users >>>>   - dpkg-raw.bbclass users >>>>   - kernel >>>> >>>> Known issues: >>>>   - if target and host architectures are the same, there is no need >>>>     to use host buildchroot. >>>>   - kernel module doesn't support cross-compilation. Default >>>> linux-headers >>>>     package depends from target gcc binaries. So attempt to install, >>>> for >>>>     example linux-headers-armmp, tries to install gcc:armhf, what rises >>>>     conflict with the host tools. >>> >>> Could you imagine overriding such specialties with extra rules, even if >>> package specific? Not having kernel module in the cross compilation >>> chain main cause troubles (or does it work fine to cross-build the >>> kernel and then natively build the modules?). >>> >>>> >>>> To enable cross-compilation, the variable ISAR_CROSS_COMPILE should >>>> be set >>>> to "1" in local.conf file. >>> >>> I will retry that series soon, on my standard testcase jailhouse-images. >>> It's growing and urgently needs an accelerator :). >>> >> >> What's the baseline of these patches, master? Why not using next? >> > > mosipov-devel to avoid additional rebase, let me check. > Sorry, mosipov-next. Alex