doc := test

all: $(doc).final

%.final: %.step-two
	cp $< $@
	echo done >> $@

%.step-two: %.step-one.1 %.step-one.2 %.step-one.3 %.step-one.4
	cat $^ > $@

$(if $(use-intermediate-rule), \
  $(eval .INTERMEDIATE: $(addprefix $(doc),.step-one.2 .step-one.3 .step-one.4)) \
 )

%.step-one.1 %.step-one.2 %.step-one.3 %.step-one.4: %.input $(this-makefile)
	cp $< $*.step-one.1
	cp $< $*.step-one.2
	cp $< $*.step-one.3
	cp $< $*.step-one.4

%.input:
	echo hi > $@

.PHONY: clean
clean:
	rm -f $(addprefix $(doc),.step-one.2 .step-one.3 .step-one.4 .step-one.1 .final .step-two)