[meta-freescale] Linux kernel recipe override question
Gary Thomas
gary at mlbassoc.com
Mon Feb 24 12:05:48 PST 2014
On 2014-02-24 12:51, John Weber wrote:
> Here is a question someone might be able to quickly answer.
>
> I want to be able to override the SRCREV, SRCBRANCH, and the git repository for
> the kernel recipe in local.conf. I like to do this so that I can do local
> hacking on a kernel without having to edit the recipe files themselves, and I
> find that managing local.conf is easier when I'm changing SRCREVs a lot.
>
> I've been able to override SRCBRANCH by doing this:
>
> In recipes-kernel/linux/linux-wandboard.inc:
>
> SRCBRANCH ??= "master"
>
> The default is set in recipes-kernel/linux/linux-wandboard_3.10.17.bb:
>
> SRCBRANCH ?= "<the-default-branch>"
>
> Then, in local.conf, I can override it:
>
> SRCBRANCH_linux-wandboard = "<my-local-hacking-branch>"
>
> This works fine for SRCBRANCH. If I do the same thing with SRCREV, it doesn't
> seem to work. I've done this:
>
> In linux-wandboard_3.10.17.bb:
>
> SRCREV ??= "<default big long commit id>"
>
> In local.conf:
>
> SRCREV_linux-wandboard = "<my local branch commit id>"
>
> I always get the checkout of the SRCREV assignment done in the recipe file, not
> the one I set in local.conf.
>
> Any idea why? The only thing I can think of is that SRCREV is evaluated completely before
> local.conf settings are evaluated.
You can't do this in local.conf
The best way is to have another layer with a .bbappend for that recipe. You can
then override these variables in that file.
--
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Gary Thomas | Consulting for the
MLB Associates | Embedded world
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