From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
To: buildroot@busybox.net
Subject: [Buildroot] [PATCH 2/3] defconfigs: use the new headers-version-same-as-kernel-version option
Date: Wed, 20 Jan 2016 23:05:51 +0100 [thread overview]
Message-ID: <20160120230551.783353ab@free-electrons.com> (raw)
In-Reply-To: <CAJJ6jxtuOqfdTsbgcbwP1+y5yuLGFi-Ny5=_96kMhaWpSN5uvA@mail.gmail.com>
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
next prev parent reply other threads:[~2016-01-20 22:05 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-20 18:34 [Buildroot] [PATCH 0/3] toolchain: add possibility to use kernel version for linux-headers (branch yem/kenrel-headers) Yann E. MORIN
2016-01-20 18:34 ` [Buildroot] [PATCH 1/3] package/linux-headers: add option to use same sources as the kernel Yann E. MORIN
2016-01-20 20:36 ` Thomas Petazzoni
2016-01-20 21:03 ` Yann E. MORIN
2016-02-02 9:05 ` Peter Korsgaard
2016-01-20 18:34 ` [Buildroot] [PATCH 2/3] defconfigs: use the new headers-version-same-as-kernel-version option Yann E. MORIN
2016-01-20 20:38 ` Thomas Petazzoni
2016-01-20 21:29 ` Peter Korsgaard
2016-01-20 21:37 ` Steve Calfee
2016-01-20 22:05 ` Thomas Petazzoni [this message]
2016-01-20 22:08 ` Yann E. MORIN
2016-01-20 21:58 ` Yann E. MORIN
2016-01-20 22:07 ` Thomas Petazzoni
2016-01-20 22:15 ` Yann E. MORIN
2016-01-20 18:34 ` [Buildroot] [PATCH 3/3] linux: drop the option to use the same version as that of the headers Yann E. MORIN
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