This patch replaces the absolute paths that are injected into BBLAYERS
by relative ones. These are relative to TOPDIR.
By that, the whole build directory becomes relocatable.
This is of value when using a shared sstate cache and build machines
with varying build locations (e.g. gitlab-ci runners).
Signed-off-by: Felix Moessbauer <felix.moessbauer@siemens.com>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>