1M4 ?= m4 2 3.PHONY: all clean 4 5all: 6 $(M4) -P filter_events.lu4 >filter_events.lua 7 $(M4) -P filter_events_by_time.lu4 >filter_events_by_time.lua 8 9clean: 10 rm -f filter_events.lua 11 rm -f filter_events_by_time.lua 12 13install: all 14 cp filter_events.lua /usr/bin/ 15 cp filter_events_by_time.lua /usr/bin/ 16