[yocto] How to use different busybox defconfig's in the initramfs and rootfs image

[ChenQi]

The only way I know is to make a new recipe, busybox-initramfs.bb, for 
example.
Install busybox for image rootfs and busybox-initramfs for initramfs.

Best Regards,
Chen Qi

On 02/02/2015 09:21 PM, Erwin.Rieger.ext at rohde-schwarz.com wrote:
> Hello list,
>
> i have used Yocto to create a initramfs linux kernel and a 
> corresponding rootfs for a embedded linux system.
>
> Things are working as expected, so far.
>
> Now i want to fine-tune my setup and want to use a different busybox 
> configuration in the initramfs as the one in the rootfs image.
> For example, the initramfs busybox should contain support for 
> switch-root and that is not needed in the rootfs.
> On the other hand, the rootfs should contain a "full-fledged" busybox 
> (with inetd enabled, for example).
>
> So the question is: How can i build/install a package two times with 
> differing configurations in one bitbake run?.
>
> How can this be done the Yocto-way without copying busybox.bb and 
> hacking it the way i need it?
>
> I've tried various combinations, e.g. bb-appending busybox, inheriting 
> from busybox and so on - but to no avail.
>
> Maybe someone have an idea on how to do that?
>
>
> PS:
> * The kernel recipe is derived (bbappend) 
> from core-image-minimal-initramfs.
> * Rootfs recipe is derived from core-image-minimal.bb.
>
>
> -- 
> Erwin Rieger
> -- 
>
>

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