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Kai Kang 12a19ba56e systemd.bbclass: update command to check systemctl available
When use a core image with systemd as docker image, it fails to
install/remove package which calls systemctl in post scripts.
It fails to run systemctl in a container:

bash-5.0# systemctl
System has not been booted with systemd as init system (PID 1). Can't operate.
Failed to connect to bus: Host is down

So replace the criterion command 'type systemctl' with 'systemctl' in
package post scripts to check whether systemctl available.

(From OE-Core rev: a52e66762c0c51918b1ba3d4622759637b6e920a)

Signed-off-by: Kai Kang <kai.kang@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2020-12-06 23:17:28 +00:00

QEMU Emulation Targets
======================

To simplify development, the build system supports building images to
work with the QEMU emulator in system emulation mode. Several architectures
are currently supported in 32 and 64 bit variants:

  * ARM (qemuarm + qemuarm64)
  * x86 (qemux86 + qemux86-64)
  * PowerPC (qemuppc only)
  * MIPS (qemumips + qemumips64)

Use of the QEMU images is covered in the Yocto Project Reference Manual.
The appropriate MACHINE variable value corresponding to the target is given
in brackets.
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