Makefile modified to treat dependencies properly, but still buggy...

kernel/Makefile

@@ -14,7 +14,7 @@ $(if $(O),,$(error Specify the compilation target directory))
 $(if $(shell ls $(AALBASE)/Makefile),,\
 	$(error AAL is not found in $(AALBASE)))
 
-.PHONY: all clean
+.PHONY: all clean depend
 
 all: $(KERNELS)
 
@@ -28,6 +28,7 @@ all: $(KERNELS)
 	@echo 'AALBASE = $(AALBASE)' >> $@
 	@echo 'TARGET = $(notdir $(patsubst %/,%,$(dir $@)))' >> $@
 	@cat Makefile.build >> $@
+	@rm -f $(dir $@)/Makefile.dep
 
 clean: $(addsuffix .clean,$(BUILD_TARGET))