ntp: enable systemd-timedated control for ntp.service

Signed-off-by: Andreas Müller <schnitzeltony@googlemail.com>
Signed-off-by: Joe MacDonald <joe@deserted.net>

meta-networking/recipes-support/ntp/ntp.inc

@@ -22,6 +22,7 @@ SRC_URI = "http://www.eecis.udel.edu/~ntp/ntp_spool/ntp4/ntp-4.2/ntp-${PV}.tar.g
            file://ntpd.service \
            file://sntp.service \
            file://sntp \
+           file://ntpd.list \
 "
 
 inherit autotools update-rc.d systemd
@@ -65,6 +66,10 @@ do_install_append() {
     install -m 0644 ${WORKDIR}/ntpdate.service ${D}${systemd_unitdir}/system/
     install -m 0644 ${WORKDIR}/ntpd.service ${D}${systemd_unitdir}/system/
     install -m 0644 ${WORKDIR}/sntp.service ${D}${systemd_unitdir}/system/
+
+    # see http://www.freedesktop.org/wiki/Software/systemd/timedated/
+    install -d ${D}${libdir}/systemd/ntp-units.d
+    install -m 0644 ${WORKDIR}/ntpd.list ${D}${libdir}/systemd/ntp-units.d/60-ntpd.list
 }
 
 PACKAGES += "ntpdate sntp ${PN}-tickadj ${PN}-utils"

meta-networking/recipes-support/ntp/ntp/ntpd.list

@@ -0,0 +1 @@
+ntpd.service