new Makefile

kernel/Makefile

@@ -1,27 +1,37 @@
 BUILD_TARGET = mee knf
-BUILD_DIR = ../../build/mcos
-SRC = $PWD
+SRC = $(CURDIR)
+
+AALBASE ?= $(SRC)/../../aal/manycore
+O ?= $(KBUILD_OUTPUT)
+V ?= $(VERBOSE)
 
 KERNEL = kernel.img
-KERNELS = $(addsuffix /$(KERNEL),$(addprefix $(BUILD_DIR)/,$(BUILD_TARGET)))
+KERNELS = $(addsuffix /$(KERNEL),$(addprefix $(O)/,$(BUILD_TARGET)))
+
+SUBCMD_OPTS = V='$(V)'
+
+$(if $(O),,$(error Specify the compilation target directory))
+$(if $(shell ls $(AALBASE)/Makefile.aal),,\
+	$(error AAL is not found in $(AALBASE)))
 
 .PHONY: all clean
 
 all: $(KERNELS)
 
 %/kernel.img: %/Makefile
-	@echo 'MAKE TARGET' $(dir $@)
-	@make -C $(dir $@)
+	@echo 'Building for' $(dir $@)
+	@make --no-print-directory -C $(dir $@) $(SUBCMD_OPTS)
 
 %/Makefile: Makefile.build FORCE
 	@mkdir -p $(dir $@)
-	@echo 'SRC = $(PWD)' > $@
+	@echo 'SRC = $(SRC)' > $@
+	@echo 'AALBASE = $(AALBASE)' >> $@
 	@echo 'TARGET = $(notdir $(patsubst %/,%,$(dir $@)))' >> $@
 	@cat Makefile.build >> $@
 
 clean: $(addsuffix .clean,$(BUILD_TARGET))
 
-%.clean: $(BUILD_DIR)/%/Makefile
-	@make -C $(BUILD_DIR)/$(basename $@) clean
+%.clean: $(O)/%/Makefile
+	@make -C $(O)/$(basename $@) $(SUBCMD_OPTS) clean
 
 FORCE: