include common.mk all: VL1 VL2 VL1: $(MAKE) -C VL1 $(LN_S) VL1/VL1.pdf . $(LN_S) VL1/VL1_handout.pdf . VL2: $(MAKE) -C VL2 $(LN_S) VL2/VL2.pdf . $(LN_S) VL2/VL2_handout.pdf . clean: $(MAKE) -C VL1 clean $(MAKE) -C VL2 clean $(RM) VL1.pdf VL2.pdf VL1_handout.pdf VL2_handout.pdf .PHONY: all clean VL1 VL2