dbus: do not use systemctl from host for configure
configure.ac from dbus uses $PATH to get the location of systemctl.
If it is not found /usr/bin/systemctl is used. It is possible to
override the location by passing SYSTEMCTL=[value] to configure.
The value is used to replace @SYSTEMCTL@ in systemd-user/dbus.socket.in.
dbus.socket sets the environment variable DBUS_SESSION_BUS_ADDRESS
using systemctl.
dbus does not depend on systemd-systemctl-native, so location from
host installation or the default value gets used. Adding
systemd-systemctl to the build would give path from sysroot.
Forcing SYSTEMCTL=${base_bindir}/systemctl for target gives the
correct path there and the environment variable is set after a user
session was opened.
[YOCTO #11002]
Signed-off-by: Andy Kling <andreas.kling@peiker-cee.de> Signed-off-by: Ross Burton <ross.burton@intel.com>
