inadyn: systemd support

Signed-off-by: Alex Suykov <alex.suykov@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/inadyn/inadyn.mk

@@ -30,4 +30,12 @@ define INADYN_INSTALL_INIT_SYSV
 		$(TARGET_DIR)/etc/init.d/S70inadyn
 endef
 
+define INADYN_INSTALL_INIT_SYSTEMD
+	$(INSTALL) -D -m 644 package/inadyn/inadyn.service \
+		$(TARGET_DIR)/usr/lib/systemd/system/inadyn.service
+	mkdir -p $(TARGET_DIR)/etc/systemd/system/multi-user.target.wants
+	ln -sf /usr/lib/systemd/system/inadyn.service \
+		$(TARGET_DIR)/etc/systemd/system/multi-user.target.wants/inadyn.service
+endef
+
 $(eval $(autotools-package))

package/inadyn/inadyn.service

@@ -0,0 +1,10 @@
+[Unit]
+Description=DDNS client
+After=syslog.target network.target
+
+[Service]
+ExecStart=/usr/bin/inadyn
+Restart=always
+
+[Install]
+WantedBy=multi-user.target