[oe] [meta-systemd] dhcp: do not start dhclient by default on boot

[Andreas Müller]

* most of the time start fails:
  | root at overo:~# systemctl status dhclient.service
  | dhclient.service - Dynamic Host Configuration Protocol (DHCP)
  |         Loaded: loaded (/lib/systemd/system/dhclient.service; enabled)
  |         Active: failed (Result: resources) since Thu 2000-01-06 22:07:27 UTC; 15min ago
  |         Process: 300 ExecStart=/sbin/dhclient -cf /etc/dhcp/dhclient.conf -q -lf /var/lib/dhcp/dhclient.leases $INTERFACES (code=exited, status=0/SUCCESS)
  |
  | Jan 06 22:07:27 overo systemd[1]: Starting Dynamic Host Configuration Proto.....
  | Jan 06 22:07:27 overo systemd[1]: PID file /var/run/dhclient.pid not readab...t.
  | Jan 06 22:07:27 overo systemd[1]: Failed to start Dynamic Host Configuratio...).
* in cases it does not fail to start and we have a managing service (e.g
  networkmanager) two instances of dhclient are running

Signed-off-by: Andreas Müller <schnitzeltony at googlemail.com>
---
 .../recipes-connectivity/dhcp/dhcp_4.2.5.bbappend  |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/meta-systemd/oe-core/recipes-connectivity/dhcp/dhcp_4.2.5.bbappend b/meta-systemd/oe-core/recipes-connectivity/dhcp/dhcp_4.2.5.bbappend
index 22d412a..e9e09d3 100644
--- a/meta-systemd/oe-core/recipes-connectivity/dhcp/dhcp_4.2.5.bbappend
+++ b/meta-systemd/oe-core/recipes-connectivity/dhcp/dhcp_4.2.5.bbappend
@@ -3,12 +3,13 @@ FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
 
 inherit systemd
 
-PRINC := "${@int(PRINC) + 2}"
+PRINC := "${@int(PRINC) + 3}"
 
 SYSTEMD_PACKAGES = "dhcp-server dhcp-relay dhcp-client"
 SYSTEMD_SERVICE_dhcp-server = "dhcpd.service"
 SYSTEMD_SERVICE_dhcp-relay = "dhcrelay.service"
 SYSTEMD_SERVICE_dhcp-client = "dhclient.service"
+SYSTEMD_AUTO_ENABLE_dhcp-client = "disable"
 
 FILES_dhcp-server += "${systemd_unitdir}/system/dhcpd.service"
 FILES_dhcp-relay += "${systemd_unitdir}/system/dhrelay.service"
-- 
1.7.6.5