[Buildroot] [PATCH] systemd: needs kernel headers >= 3.7.

[Eric Le Bihan <eric.le.bihan.dev@free.fr>]

Yann E., Thomas, All,
On Sat, Mar 29, 2014 at 10:32:08AM +0100, Yann E. MORIN wrote:
> Eric, Thomas, All,
>
> On 2014-03-29 09:35 +0100, Thomas Petazzoni spake thusly:
> > On Fri, 28 Mar 2014 17:31:05 +0100, Eric Le Bihan wrote:
> > > Systemd needs Linux headers >= 3.7 because it uses IFLA_GRE_FLOWINFO
> > > from linux/if_tunnel.h.
> > >
> > > Signed-off-by: Eric Le Bihan <eric.le.bihan.dev@free.fr>
> > > ---
> > >  system/Config.in |    6 +++---
> > >  1 file changed, 3 insertions(+), 3 deletions(-)
> >
> > Are you sure Linux headers >= 3.7 are sufficient? I'm looking at the
> > build failure at
> > http://autobuild.buildroot.org/results/ad3/ad3b4003dc50582a493f1156234d83652104a6bf/build-end.log,
> > and it looks like missing kernel definitions, even though the toolchain
> > apparently uses 3.7 kernel headers, as far as I can see.
>
> No, they were introduced in 3.8.
>
> What's confusing is that the changesets were done on a v3.7-rc* tree,
> so when one git-blames the affected file, checkouts the changeset with
> the chagnes, and looks at Makefile, one will see 3.7-rc1. But they
> eventually landed in 3.8.
Thanks for clarifying!

BTW, why is it only possible to use an external toolchain for AArch64, and not
a Buildroot one? I've also noticied that the recently released Linaro 14.03
still uses Linux headers 3.7...

Best regards,
ELB