[OE-core] Overriding a variable only in our layer

[Khem Raj]

On Tue, Nov 22, 2011 at 5:24 PM, Daniel Lazzari <dlazzari at leapfrog.com> wrote:
> Hey everyone,
>
>
>
> I ran into an interesting problem today that I need some help with. I’m not
> sure if this is a bitbake issue or an oe-core one so I thought I’d try here
> first. We have our own layer that overlays on top of oe-core, meta-oe, and
> meta-angstrom. Our layer has a bunch of recipes that pull projects from our
> local SVN, including a recipe for u-boot. We have a build configuration file
> that has lines like the following:
>
>
>
> SRCREV_pn-u-boot = “563”
>
>
>
> We pull in this conf at build time using bitbake’s –R argument. Just
> recently we switched u-boot’s SRCREV from ${AUTOREV} to an actual revision
> number and bitbake started choking trying to parse recipes. It looks like it
> chokes while trying to parse oe-core’s u-boot git recipe because the SRCREV
> is meant for SVN, not GIT (even though our PREFERRED_VERSION is set up only
> to build our u-boot). Is there a way to override this SRCREV variable only
> when parsing recipes in our layer? I know I can do it directly in the
> recipe, but that loses us the advantages of having all of the SRCREVs in one
> file (which makes specific full rebuilds very easy).

On the contrary, in OE we prefer to delegate SRCREVs to recipes and pin
the versions of recipes

>
>
>
> Thanks,
>
>
>
> Dan Lazzari Jr.
>
> Firmware Engineer
>
> dlazzari at leapfrog.com
>
>
>
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