TOPTARGETS := all clean SUBDIRS := firmware $(TOPTARGETS): $(SUBDIRS) $(SUBDIRS): $(MAKE) -C $@ $(MAKECMDGOALS) .PHONY: $(TOPTARGETS) $(SUBDIRS) apple1serial.bin: xa -W -C -v -O ASCII -c src/apple1serial.a65 -l apple1serial.label -o apple1serial.bin all: apple1serial.bin clean: rm apple1serial.bin apple1serial.label