[yocto] [meta-raspberrypi][PATCH 1/6] linux-raspberrypi: Allow override of PV

[Andrei Gherzan]

On Fri, Jun 03, 2016 at 08:47:45PM +0100, Paul Barker wrote:
> On Fri, 3 Jun 2016 09:07:37 +0300
> Ionel Badisor <ionelbadisor at gmail.com> wrote:
>
> > On 06/03/2016 12:25 AM, Paul Barker wrote:
> > > On Thu, 2 Jun 2016 10:59:37 +0300
> > > Ionel Badisor <ionelbadisor at gmail.com> wrote:
> > >
> > >> On 06/01/2016 08:55 PM, Paul Barker wrote:
> > >>> On Tue, 31 May 2016 10:39:03 +0300
> > >>> Khem Raj <raj.khem at gmail.com> wrote:
> > >>>
> > >>>> On May 30, 2016 3:15 PM, "Paul Barker" <paul at paulbarker.me.uk>
> > >>>> wrote:
> > >>>>>
> > >>>>>
> > >>>>> I'm trying to build from a source archive instead of a git
> > >>>>> repository (to avoid a ~1.3GB git clone operation) so the use of
> > >>>>> ${SRCPV} is causing me trouble.
> > >>>>>
> > >>>>
> > >>>> Can you override the whole PV
> > >>>
> > >>> I've given this another look and I can get the recipe to parse if
> > >>> I require linux-raspberrypi.inc before setting PV instead of
> > >>> afterwards. However do_kernel_configme then gets confused looking
> > >>> for a "standard/raspberrypi" configuration. It only works if I
> > >>> modify linux-raspberrypi.inc as per my patch and set PV before
> > >>> requiring that include file.
> > >>>
> > >>> I'm starting to think that I might be doing something wrong here -
> > >>> is there a supported way to build a kernel from an archive instead
> > >>> of a git repository within OE?
> > >>>
> > >>> Thanks,
> > >>> Paul Barker
> > >>>
> > >> Are you trying to avoid repeated cloning operation to save bandwith
> > >> and time or you are trying to save disk space?
> > >
> > > I'm trying to reduce "time to first build" on a new build machine as
> > > well as the amount of space/bandwidth needed to mirror downloaded
> > > files.
> > >
> > > Instead of setting PV in each recipe I could just duplicate
> > > linux-raspberrypi.inc into my own layer with the change I need.
> > > That's probably the simplest approach for now, I'll just have to
> > > keep my eye on meta-raspberrypi going forward for any changes to
> > > linux-raspberrypi.inc which I'd need to incorporate.
> > >
> > Maybe you can use the `DL_DIR ?= "/path/to/downloads/"` in your
> > conf/local.conf file for multiple build directories and if you want
> > you can copy downloads directory to new machine and point to it the
> > new local.conf  then all do_fetch operations are already performed,
> > except new changes in which case the git fetch operation is performed
> > when git is used and takes less time then when fetching entire
> > archive.
> >
> > note: multiple builds on same machine can use same downloads
> > directory.
>
> I'm planning to release this as part of a distro layer in the future.
> Not all build machines will be under my control if others use the
> layer.
>
> I'm going to drop this patch for now as I can maintain my own copy of
> linux-raspberrypi.inc. I think it'd be good to get the other changes
> into master.
>
> V2 incoming.

I managed to follow the discussion. Sorry for my last reply on this.

I don't think the solution would be to manage a custom inc file. We need
to find a solution with this. Can I see and try your changes for the
arhive?

--
Andrei Gherzan
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