1
2.SECONDEXPANSION:
3world.tsk: world.o $$(info 1 second expansion of $$@ prereqs)
4hello.tsk world.tsk &: hello.o $$(info 2 second expansion of $$@ prereqs); $(info $@ from $<)
5bye.tsk: bye.o $$(info second expansion of $$@ prereqs); $(info $@ from $<)
6hello.o: $$(info second expansion of $$@ prereqs); $(info $@)
7world.o: $$(info second expansion of $$@ prereqs); $(info $@)
8bye.o: $$(info second expansion of $$@ prereqs); $(info $@)