Makefile dependency example

A

This is file A

Makefile

INTERMEDIATES := B1 B2 B3
OBJS := B1Y1 B1Y2 B1Y3 B2Y1 B2Y2 B2Y3 B3Y1 B3Y2 B3Y3
.PHONY: all
all: $(OBJS)
clean:
	rm -f $(INTERMEDIATES) $(OBJS)
B1: A
	cp $< $@
	echo "Through rule X1" >> $@

B2: A
	cp $< $@
	echo "Through rule X2" >> $@

B3: A
	cp $< $@
	echo "Through rule X3" >> $@

%Y1: %
	cp $< $@
	echo "Through rule Y1" >> $@

%Y2: %
	cp $< $@
	echo "Through rule Y2" >> $@

%Y3: %
	cp $< $@
	echo "Through rule Y3" >> $@