.PHONY: all clean buildall depend

SOURCES=A.java B.java E.java F.java

all:
	rm -f .targets
	$(MAKE) .targets
	[ -f .targets ] && javac -classpath classes -d classes @.targets || true

clean:
	rm -rf classes .depend

ifneq ($(MAKECMDGOALS),buildall)
ifneq ($(MAKECMDGOALS),clean)
include .depend
endif
endif

.depend:
	$(MAKE) buildall
	find classes -type f -print | java -classpath ../classes:$(CLASSPATH) com.macmillan.nmeyers.JMakeDepend >.depend

depend:
	rm -f .depend
	$(MAKE) .depend

buildall:
	rm -rf classes
	mkdir classes
	javac -d classes $(SOURCES)