On Mon, 31 Oct 2016 15:36:24 Khem Raj wrote: > > On Oct 31, 2016, at 2:59 PM, Paul Eggleton <paul.eggle...@linux.intel.com> > > wrote:> > > On Mon, 31 Oct 2016 09:37:07 Khem Raj wrote: > >>> On Oct 31, 2016, at 7:37 AM, Vuille, Martin (Martin) <vmar...@avaya.com> > >>> wrote: > >>> > >>> We are looking at upgrading from Yocto 1.8 to 2.2. > >>> > >>> Yocto 2.2 has a minimum kernel requirement of 3.2.0. > >>> > >>> This isn’t an issue for our target (ARMv5, Linux 4.4) but may be > >>> an issue for our automated build machines (x86, Linux 2.6.32—CentOS 6.) > >>> > >>> However, there is a note that says > >>> “For x86 and x86_64, you can reset OLDEST_KERNEL > >>> <http://www.yoctoproject.org/docs/2.2/mega-manual/mega-manual.html#var-O > >>> L > >>> DEST_KERNEL> to anything down to 2.6.32 if desired.” > >>> > >>> Is it possible to configure things such that we can keep supporting the > >>> old kernel for the SDK while we support a more up-to-date kernel for the > >>> target? > >> > >> I think that should be the default. We do not set it for x86/nativesdk > >> case. File a ticket if thats not the case. > > > > SDK_OLDEST_KERNEL is the variable that's supposed to be controlling this, > > but I noticed a couple of weeks ago that we aren't feeding > > SDK_OLDEST_KERNEL into glibc for nativesdk, so we should fix that - I've > > filed a bug [1] and will sort that out. I think we should probably set > > the SDK_OLDEST_KERNEL default for x86 to 2.6.32 at the same time - I > > assume there are no objections? > > Yes, its for nativesdk/glibc, I think for target x86 we should keep 3.2
Right, I'm not proposing changing the target value. It turns out setting SDK_OLDEST_KERNEL in an arch-specific manner is a little awkward since there aren't overrides that can be used for the SDK value, but we can do it from conf/machine-sdk/*.conf though. Cheers, Paul -- Paul Eggleton Intel Open Source Technology Centre -- _______________________________________________ yocto mailing list yocto@yoctoproject.org https://lists.yoctoproject.org/listinfo/yocto