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

[Javier Viguera]

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

Hope this helps.

-- 
Javier Viguera
Software Engineer
Digi International® Spain S.A.U.