[OE-core] how can i add u-boot-fw-utils to my build without u-boot being part of the build?

[Robert P. J. Day]

On Mon, 22 Aug 2016, Javier Viguera wrote:

> Hi Robert,
>
> On 21/08/16 17:51, Robert P. J. Day wrote:
> >
> >   i apologize for being clueless, but i'm still unclear on what i need
> > to do here, and in my case, i'm going in the opposite direction.
> >
> >   currently, u-boot is being configured and compiled standalone -- not
> > as part of OE. and that build works just fine, so i can grab whatever
> > (little?) i need from that build to then add to an actual OE build so
> > i can just add u-boot-fw-utils to an existing image.
> >
> >   as i read it, for an OE build of u-boot, i need to supply either
> > UBOOT_MACHINE or UBOOT_CONFIG. so in this case, what would i do? my
> > assumption until now is that i need to add to the OE build just enough
> > to get the fw utils to build, and i'd do that by setting either of
> > those variables. and i already have the appropriate fw_env.config file
> > ready to go.
> >
> >   so what precisely do i need to do here?
>
> Have you tried to override UBOOT_CONFIG in a u-boot-fw-utils bbappend?
>
> Have a look at how we do that (using sandbox_defconfig) in meta-digi-arm:
>
> https://github.com/digi-embedded/meta-digi/blob/jethro/meta-digi-arm/recipes-bsp/u-boot/u-boot-fw-utils_%25.bbappend

  ah, this is kind of what i suspected would work ... a generic
sandbox build, accompanied by the appropriate /etc/fw_etc.config file.
i'm assuming that's not x86-specific since you're using it with one of
your ARM boards. thanks, i'll give it a shot.

rday

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Robert P. J. Day                                 Ottawa, Ontario, CANADA
                        http://crashcourse.ca

Twitter:                                       http://twitter.com/rpjday
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