[opensuse-buildservice] OBS: Cross-build and Download on Demand - Major Milestone reached
Hi, due to missing news about the OBS development Marcus, Jan-Simon and me are stepping in. Cross-build and Download on Demand, now integrated in one single patch, have reached a major milestone of "testing and usability". You can now use these new features by installing the following openSUSE:Tools:Devel packages: - qemu-svn+gcc3 - obs-all-cross The rest is the same as running a normal OBS in fact. We have successfully tested it for the following processor targets: - openSUSE:10.3 @ i586,ppc,x86_64 - Fedora:9 @ i586,ppc,x86_64 - Fedora:8 @ arm,i586,ppc,x86_64 - Debian:Etch @ arm,i586,ppc,x86_64 - Debian:Lenny @ arm,i586,ppc,x86_64 - Debian:Sid @ arm,i586,ppc,x86_64 You can then activate builds for the new targets. You must install the QEMU in the workers, then OBS Workers can automatically run ARM processor jobs. Emulated targets can be used like x86 targets on a x86 machine in local builds as well as OBS Worker builds. Also other distributions than this list should work, we have chosen for testing the widely used Distros from openSUSE, Fedora and Debian type. You do not need a remote OBS and no complete local copy to build for these targets from now on. A complete copy of a distro for Debian:Etch would need 50 GB local diskspace for processor architectures arm,i586,ppc,x86_64. But with Download on Demand, only those Packets needed are loaded on the local disk. Typical minimum loaded packages for a chroot with a compiler are no more than 200 MB per processor architecture versus 15 GB or more for a complete copy. Mega collections like "Fedora Everthing" spin are even bigger per architecture. After configuring the cross-build and download on demand feature, you can build and run for the listed targets. The qemu emulator is sufficently fixed to run on even oldest and newest ARM Processor Distributions with glibc 2.7, gcc 4.3 and kernel headers 2.6.26 (like Debian:Sid on ARM - Sid is the Factory equivalent for Debian). For more info about all this, read the wiki here: http://en.opensuse.org/Build_Service/Concepts/CrossDevelopment. In the next step we will test the quality of emulators for the other processor targets. Also, Jan Simon has already some news on OBS KIWI Imaging and zypper usage on the issue. He will soon report. Martin PS: Adrian, Andreas, I wish you Novell guys will soon step in and provide us also with a "real good" embedded targets distribution, e.g. an openSUSE Version for arm or sh4 Architecture. I want to run my Nokia N810 with an openSUSE distro and nothing else. -- To unsubscribe, e-mail: opensuse-buildservice+unsubscribe@opensuse.org For additional commands, e-mail: opensuse-buildservice+help@opensuse.org
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Martin Mohring