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Message-ID: <20080403181830.GA32397@uranus.ravnborg.org> Date: Thu, 3 Apr 2008 20:18:30 +0200 From: Sam Ravnborg <sam@...nborg.org> To: Josh Boyer <jwboyer@...il.com> Cc: Paul Mackerras <paulus@...ba.org>, Linus Torvalds <torvalds@...ux-foundation.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, davej@...hat.com Subject: Re: Linux 2.6.25-rc8 > > > Those defconfigs would be much smaller and change much less often if > > they could be expressed as a delta from some other defconfig. So we'd > > end up with a small number of base defconfigs plus a set of board > > defconfigs that would say effectively "use the options from that other > > defconfig, plus turn this on and that off". > > IIRC, Fedora builds their kernels using such a mechanism, though it's > done in the RPM specfile with a perl script. Maybe that's something to > look at to start with. kconfig allready allow you to override values simply by appending to the end of the .config file. So it is a matter of creating the proper stuff around to: 1) use it 2) make is simple to update defconfigs A simple extract delta between two config I'm not up to do that at the moment - but it is doable. And I would hate to see the defconfig disappear just because they are so visible in Linus' dirstat. Sam -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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