install: ntp.o
	VERSION=`uname -r` ; export PATH=/lib/modules/$$VERSION ;	\
		echo "installing ntp.o to $$PATH" ; \
		test -d $$PATH || exit 1 ; \
		/usr/bin/install -o root -g root -m 700 \
			ntp.o $$PATH/ntp.o || exit 1 ; \
		/bin/grep 'ntp.o' /etc/rc.d/boot.local > /dev/null && { \
		echo "already installed in /etc/rc.d/boot.local?" ; \
		exit 1; } ; \
		echo "/sbin/insmod $$PATH/ntp.o" >> /etc/rc.d/boot.local

ntp.o: ntp.c
	$(CC) -c ntp.c -o ntp.o
	@echo "do as root: insmod ntp.o"

clean:
	rm -f ntp.o