[OE-core] krogoth's core-image-minimal is much bigger than jethro's

[Andrea Adami]

On Fri, May 13, 2016 at 8:48 AM, Robert Yang <liezhi.yang at windriver.com> wrote:
>
> * For ext4:
>   11M -> 26M
>   The similar to vmdk, qcow2 and iso.
>
> * For tar.bz2:
>   2.7M -> 4.5M
>
> The main problem is eudev-hwdb which would be 12M after installed, jethro
> doesn't use this, but udev by default, and it's gone in krogoth.
> $ du -sh core-image-minimal/1.0-r0/rootfs/etc/udev/*
> 0        core-image-minimal/1.0-r0/rootfs/etc/udev/cache.data
> 6.4M     core-image-minimal/1.0-r0/rootfs/etc/udev/hwdb.bin
> 5.2M     core-image-minimal/1.0-r0/rootfs/etc/udev/hwdb.d
> 8.0K     core-image-minimal/1.0-r0/rootfs/etc/udev/rules.d
> 4.0K     core-image-minimal/1.0-r0/rootfs/etc/udev/udev.conf
>
> Is there an easier way to fix this problem, please ? It's not a good
> news for the user who uses core-imag-minimal/udev when they want to
> upgrade to krogoth. And this would hurt the small device which uses
> udev.
>

Somehow we have to explicitely opt-out:

+BAD_RECOMMENDATIONS += "eudev-hwdb"

IMHO for embedded devices it would be better to disable by default and
let the distro/machine add a specific RRECOMMEND.

Regards
Andrea

>
> The conf is:
> MACHINE = "qemux86-64"
> DISTRO = "poky"
> PACKAGE_CLASSES = "package_rpm"
> EXTRA_IMAGE_FEATURES = "debug-tweaks"
> USER_CLASSES = "buildstats image-mklibs"
>
> $ bitbake core-image-minimal
>
> For jethro:
> $ ls -lh core-image-minimal-qemux86-64-20160513061306.rootfs.ext4
> 11M  core-image-minimal-qemux86-64-20160513061306.rootfs.ext4
> $ du -sh core-image-minimal-qemux86-64-20160513061306.rootfs.ext4
> 7.9M core-image-minimal-qemux86-64-20160513061306.rootfs.ext4
>
> For krogoth:
>
> $ ls -lh core-image-minimal-qemux86-64-20160513061459.rootfs.ext4
> 26M core-image-minimal-qemux86-64-20160513061459.rootfs.ext4
>
> $ du -sh core-image-minimal-qemux86-64-20160513061459.rootfs.ext4
> core-image-minimal-qemux86-64-20160513061459.rootfs.ext4
>
> --
> Thanks
>
> Robert
> --
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