Why was package not included in my image despite of being a runtime dependency of one which was included?

Why was package not included in my image despite of being a runtime dependency of one which was included?

[Kuba Sanak]

I'm building a systemd-based image with Yocto I've run into a problem where update-rc.d (which is needed by a systemd sysv wrapper) is not present in that image.

I can confirm that update-rc.d is listed as a runtime dependency of systemd:

    $ bitbake systemd -e | grep "^RDEPENDS"
    RDEPENDS:systemd=" kmod dbus util-linux-mount util-linux-umount udev (= 1:250.4-r0) systemd-udev-rules util-linux-agetty util-linux-fsck systemd-serialgetty volatile-binds ldconfig libnss-myhostname      pam-plugin-unix     pam-plugin-loginuid     pam-plugin-keyinit  systemd-compat-units update-rc.d systemd-vconsole-setup"
    RDEPENDS:systemd-bash-completion="bash-completion"
    RDEPENDS:systemd-conf=" update-rc.d"
    RDEPENDS:systemd-dev="systemd (= 1:250.4-r0)"
    RDEPENDS:systemd-doc=" "
    RDEPENDS:systemd-initramfs="systemd"
    RDEPENDS:systemd-kernel-install=" bash"
    RDEPENDS:systemd-staticdev="systemd-dev (= 1:250.4-r0)"
    RDEPENDS:udev-hwdb=" udev"

And systemd is obviously included in my image because I can see it working. Also inspecting my image manifest confirms that systemd has been included in the image.

    $ grep -n systemd tmp/deploy/images/<arch>/<image_name>.manifest
    283:libsystemd-shared cortexa55 1:250.4-r0
    284:libsystemd0 cortexa55 1:250.4-r0
    394:systemd cortexa55 1:250.4-r0
    395:systemd-compat-units cortexa55 1.0-r29
    396:systemd-conf txrz_g2l0 1:1.0-r0
    397:systemd-extra-utils cortexa55 1:250.4-r0
    398:systemd-serialgetty txrz_g2l0 1.0-r5
    399:systemd-udev-rules cortexa55 1:250.4-r0
    400:systemd-vconsole-setup cortexa55 1:250.4-r0

And yet, update-rc.d keeps not being included in the resultant image. The package name (i.e. update-rc.d) is missing from the manifest and the actual script file it's supposed to provide is missing from the image rootfs.

Why is this happening and what can I do to debug why this runtime dependency is missing?

Re: [yocto] Why was package not included in my image despite of being a runtime dependency of one which was included?

[Alexander Kanavin]

You should look at log.do_rootfs for your image (in $WORKDIR under
temp/) to see what is happening at the actual package transaction.

Also, find the package which should pull in the one that's missing (in
tmp/deploy for example), and inspect that it does indeed contain the
dependency.

Alex

On Tue, 5 Dec 2023 at 23:27, Kuba Sanak via lists.yoctoproject.org
<contact=kuba.fyi@lists.yoctoproject.org> wrote:
>
> I'm building a systemd-based image with Yocto I've run into a problem where update-rc.d (which is needed by a systemd sysv wrapper) is not present in that image.
>
> I can confirm that update-rc.d is listed as a runtime dependency of systemd:
>
>     $ bitbake systemd -e | grep "^RDEPENDS"
>     RDEPENDS:systemd=" kmod dbus util-linux-mount util-linux-umount udev (= 1:250.4-r0) systemd-udev-rules util-linux-agetty util-linux-fsck systemd-serialgetty volatile-binds ldconfig libnss-myhostname      pam-plugin-unix     pam-plugin-loginuid     pam-plugin-keyinit  systemd-compat-units update-rc.d systemd-vconsole-setup"
>     RDEPENDS:systemd-bash-completion="bash-completion"
>     RDEPENDS:systemd-conf=" update-rc.d"
>     RDEPENDS:systemd-dev="systemd (= 1:250.4-r0)"
>     RDEPENDS:systemd-doc=" "
>     RDEPENDS:systemd-initramfs="systemd"
>     RDEPENDS:systemd-kernel-install=" bash"
>     RDEPENDS:systemd-staticdev="systemd-dev (= 1:250.4-r0)"
>     RDEPENDS:udev-hwdb=" udev"
>
> And systemd is obviously included in my image because I can see it working. Also inspecting my image manifest confirms that systemd has been included in the image.
>
>     $ grep -n systemd tmp/deploy/images/<arch>/<image_name>.manifest
>     283:libsystemd-shared cortexa55 1:250.4-r0
>     284:libsystemd0 cortexa55 1:250.4-r0
>     394:systemd cortexa55 1:250.4-r0
>     395:systemd-compat-units cortexa55 1.0-r29
>     396:systemd-conf txrz_g2l0 1:1.0-r0
>     397:systemd-extra-utils cortexa55 1:250.4-r0
>     398:systemd-serialgetty txrz_g2l0 1.0-r5
>     399:systemd-udev-rules cortexa55 1:250.4-r0
>     400:systemd-vconsole-setup cortexa55 1:250.4-r0
>
> And yet, update-rc.d keeps not being included in the resultant image. The package name (i.e. update-rc.d) is missing from the manifest and the actual script file it's supposed to provide is missing from the image rootfs.
>
> Why is this happening and what can I do to debug why this runtime dependency is missing?
>
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