TARGETS := kernel kernel_ldr CLEAN_TARGETS := $(foreach target,$(TARGETS),$(target)-clean) SUBFOLDERS := $(MODULES) all: mesosphere.bin clean: $(CLEAN_TARGETS) @rm -f mesosphere.bin mesosphere.bin: $(TARGETS) @echo "todo: py script" $(TARGETS): $(MAKE) -C $@ $(CLEAN_TARGETS): $(MAKE) -C $(@:-clean=) clean .PHONY: all clean $(TARGETS) $(CLEAN_TARGETS)