#############################################################
# Compiles an instance of the MEE targeted at $(TARGET)
#############################################################
MEE_SOURCE_PATH	  ?= freedom-metal
MEE_LDSCRIPT	   = $(BSP_DIR)/metal.lds
MEE_HEADER	   = $(BSP_DIR)/metal.h

.PHONY: metal
metal: $(BSP_DIR)/install/stamp

$(BSP_DIR)/build/Makefile:
	@rm -rf $(dir $@)
	@mkdir -p $(dir $@)
	cd $(dir $@) && \
		CFLAGS="-march=$(RISCV_ARCH) -mabi=$(RISCV_ABI) -ffunction-sections -fdata-sections -g -mcmodel=medany" \
		$(abspath $(MEE_SOURCE_PATH)/configure) \
		--host=$(CROSS_COMPILE) \
		--prefix=$(abspath $(BSP_DIR)/install) \
		--disable-maintainer-mode \
		--with-preconfigured \
		--with-machine-name=$(TARGET) \
		--with-machine-header=$(abspath $(MEE_HEADER)) \
		--with-machine-ldscript=$(abspath $(MEE_LDSCRIPT)) \
		--with-builtin-libgloss
	touch -c $@

$(BSP_DIR)/install/stamp: $(BSP_DIR)/build/Makefile
	$(MAKE) -C $(abspath $(BSP_DIR)/build) install
	date > $@

$(BSP_DIR)/install/lib/libriscv%.a: $(BSP_DIR)/install/stamp ;@:

$(BSP_DIR)/install/lib/libmetal.a: $(BSP_DIR)/install/lib/libriscv__mmachine__$(TARGET).a
	cp $< $@

$(BSP_DIR)/install/lib/libmetal-gloss.a: $(BSP_DIR)/install/lib/libriscv__menv__metal.a
	cp $< $@

.PHONY: clean-metal
clean-metal:
	rm -rf $(BSP_DIR)/install
	rm -rf $(BSP_DIR)/build
clean: clean-metal

metal_install: metal
	$(MAKE) -C $(MEE_SOURCE_PATH) install