[Buildroot] [PATCH 2/3] defconfigs: use the new headers-version-same-as-kernel-version option

Thomas Petazzoni thomas.petazzoni at free-electrons.com
Wed Jan 20 22:05:51 UTC 2016


Dear Steve Calfee,

On Wed, 20 Jan 2016 13:37:56 -0800, Steve Calfee wrote:
> Can we still have different header and kernel versions?
> 
> As I understand it we have to rebuild the toolchain when we change
> header versions. So if I have a working embedded system based on
> kernel x and am trying to get a new one working with kernel x+1, I
> really don't want to change the kernel header version. In this case
> they should be backward compatible. And rebuilding the toolchain is
> such a pain that I always use an external toolchain, even if using the
> buildroot internal built one.
> 
> So as long as I can still have separate header/kernel versions, I am
> happy with this change. Otherwise, it will be a pain with more full
> rebuilds.

What Yann is adding is just another option to choose the kernel headers
version. The other options (to use 4.4, a custom version, etc.) remain
in place.

Best regards,

Thomas
-- 
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com



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