[meta-freescale] Linux kernel recipe override question
John Weber
rjohnweber at gmail.com
Mon Feb 24 11:51:26 PST 2014
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.
John
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