ntp: only install init script if ntpd is enabled

Further more:
- Rename to S49ntp to match other packages
- Fix start target to run ntpd, and only try ntpdate if available

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/ntp/ntp.sysvinit → package/ntp/S49ntp

@@ -20,16 +20,15 @@ fi
 
 case "$1" in
   start)
-	if test x$NTPDATE = xyes ; then
+	if [ -x $NTPDATE_BIN ] ; then
 		echo -n "Getting initial time via ntp"
 		$NTPDATE_BIN $NTPDATE_OPTS $NTPSERVERS > /dev/null 2>&1
 		echo "."
 	fi
-	if test x$NTPD = xyes ; then
-		echo -n "Starting $DESC: $NAME"
-		start-stop-daemon -S -q -x $DAEMON
-		echo "."
-	fi
+
+	echo -n "Starting $DESC: $NAME"
+	start-stop-daemon -S -q -x $DAEMON
+	echo "."
 	;;
   stop) echo -n "Stopping $DESC: $NAME"
 	start-stop-daemon -K -q -n $NAME

package/ntp/ntp.mk

@@ -42,7 +42,7 @@ NTP_INSTALL_FILES_$(BR2_PACKAGE_NTP_TICKADJ) += util/tickadj
 define NTP_INSTALL_TARGET_CMDS
 	$(if $(BR2_PACKAGE_NTP_NTPD), install -m 755 $(@D)/ntpd/ntpd $(TARGET_DIR)/usr/sbin/ntpd)
 	test -z "$(NTP_INSTALL_FILES_y)" || install -m 755 $(addprefix $(@D)/,$(NTP_INSTALL_FILES_y)) $(TARGET_DIR)/usr/bin/
-	install -m 755 package/ntp/ntp.sysvinit $(TARGET_DIR)/etc/init.d/S49ntp
+	$(if $(BR2_PACKAGE_NTP_NTPD), install -m 755 package/ntp/S49ntp $(TARGET_DIR)/etc/init.d/S49ntp)
 	@if [ ! -f $(TARGET_DIR)/etc/default/ntpd ]; then \
 		install -m 755 -d $(TARGET_DIR)/etc/default ; \
 		install -m 644 package/ntp/ntpd.etc.default $(TARGET_DIR)/etc/default/ntpd ; \