[yocto] why is "package-management" defined as a PACKAGE_GROUP?

[Chris Larson]

On Sun, Nov 17, 2013 at 5:45 AM, Robert P. J. Day <rpjday at crashcourse.ca>wrote:

>   leaving aside the bug report, i am now hopelessly confused. are you
> saying this line:
>
> PACKAGE_GROUP_package-management = "${ROOTFS_PKGMANAGE}"
>
> from core-image.bbclass is currently *necessary* to properly support
> the image feature of "package-management" in core images? i don't see
> how or why. using that logic, you'd also need lines of that form for
> "read-only-rootfs" and "debug-tweaks", which certainly don't exist.
>
>   are you sure you're answering the question i'm asking?
>
> rday
>
> p.s.  i just don't see how that line has any value based on a few
> simple tests i ran. using dora to build for a beagle xm, i can display
> some variables:
>
> $ bb show -r core-image-base IMAGE_FEATURES
> Parsing recipes..done.
> IMAGE_FEATURES="debug-tweaks splash"
> $ bb show -r core-image-base
> EXTRA_IMAGE_FEATURES
> Parsing recipes..done.
> EXTRA_IMAGE_FEATURES="debug-tweaks"
> $
>
> which looks correct. now let's edit my local.conf and change:
>
> EXTRA_IMAGE_FEATURES = "debug-tweaks"
>
> to
>
> EXTRA_IMAGE_FEATURES = "debug-tweaks package-management"
>
> save, exit and verify:
>
> $ bb show -r core-image-base IMAGE_FEATURES
> Parsing recipes..done.
> IMAGE_FEATURES="debug-tweaks splash package-management"
> $ bb show -r core-image-base
> EXTRA_IMAGE_FEATURES
> Parsing recipes..done.
> EXTRA_IMAGE_FEATURES="debug-tweaks package-management"
>
> good. and now, let's edit core-image.bbclass and remove the line:
>
> PACKAGE_GROUP_package-management = "${ROOTFS_PKGMANAGE}"
>
> save, exit and test:
>
> $ bb show -r core-image-base IMAGE_FEATURES
> Parsing recipes..done.
> IMAGE_FEATURES="debug-tweaks splash package-management"
> $ bb show -r core-image-base
> EXTRA_IMAGE_FEATURES
> Parsing recipes..done.
> EXTRA_IMAGE_FEATURES="debug-tweaks package-management"
> $
>
>   seems like the "package-management" image feature is being picked up
> just fine.
>

This test you did makes no sense. Of course it’s in IMAGE_FEATURES, you put
it there. What you didn’t check is whether ${ROOTFS_PKGMANAGE} ended up
being installed in the image, which it won’t be.
-- 
Christopher Larson
clarson at kergoth dot com
Founder - BitBake, OpenEmbedded, OpenZaurus
Maintainer - Tslib
Senior Software Engineer, Mentor Graphics
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.yoctoproject.org/pipermail/yocto/attachments/20131117/50b613ab/attachment.html>