busybox_%.bbappend: fix systemd boot

[thomas-roos]

otherwise no systemd init.cfg is used always, mean /sbin/init is pointing at busybox, by this modification this is only using init.cfg when busybox is enabled, as it is in done in poky layer.

[ciprianmcostea]

Hello @thomas-roos , it seems that on a regular 'fsl-image-auto' Yocto build, as supported by 'meta-alb' layer, the /sbin/init correctly points to 'systemd'
(/sbin/init -> ../lib/systemd/systemd)

Hence, maybe additional changes from other Yocto layers are leading to a wrongly defined '/sbin/init'.

As part of meta-alb, we added this 'init.cfg' config fragment in order to support LXC feature.

Therefore, instead of directly removing init.cfg or masking the 'busybox' bbappend file from meta-alb layer, maybe a conditional enablement based on 'lxc' DISTRO_FEATURE would be feasible ?
such as : ${@bb.utils.contains('DISTRO_FEATURES', 'lxc', 'file://init.cfg', '', d)}

[thomas-roos]

Hi,
lxc DISTRO_FEATURE is depending on BUSYBOX init manager?
So ${@["", " file://init.cfg"][(d.getVar('VIRTUAL-RUNTIME_init_manager') == 'busybox')]} \ makes this clear.
But of course yours is also okay.
I removed all other layers - it's just yours causing this issue.
Build Configuration:

BB_VERSION           = "2.0.0"
BUILD_SYS            = "aarch64-linux"
NATIVELSBSTRING      = "universal"
TARGET_SYS           = "aarch64-fsl-linux"
MACHINE              = "s32g274ardb2"
DISTRO               = "fsl-auto"
DISTRO_VERSION       = "36.0srm0.2"
TUNE_FEATURES        = "aarch64 armv8a crc cortexa53 crypto"
TARGET_FPU           = ""
meta                 
meta-poky            = "HEAD:5d822b31316663c838c5864ab68b28fb3ca41351"
meta-oe              
meta-python          
meta-networking      
meta-filesystems     
meta-multimedia      = "HEAD:a88cb922f91fda95e8a584cee3092083d5ad3e98"
meta-alb             = "HEAD:9c110e64164be47f832d345a40bceb8d8ec0851f"
meta-freescale       = "HEAD:3e9ef23d98aa842cf84251a27c9b8dde8925ea61"

Also fsl-image-auto does not work correctly here:

fsl-image-auto-1.0# ls -al ../rootfs/sbin/init 
lrwxrwxrwx 1 root root 12 Mar  9  2018 ../rootfs/sbin/init -> /bin/busybox