ifndef RUA_DIR$(warning                                                                     )$(warning Error: the 'RUA_DIR' environment variable is not defined. You must  )$(warning define it and make it point to the 'MRUA_src' directory of your     )$(warning MRUA package. For example:                                          )$(warning   export RUA_DIR=/home/rjhacker/mrua_EM8620L_2.4.74.0_dev.arm/MRUA_src )$(warning You must also make sure you have built all the libraries in your    )$(warning MRUA package.                                                       )$(warning                                                                     )$(error Error: 'RUA_DIR' not defined.)endififeq '$(findstring -DEM86XX_CHIP=EM86XX_CHIPID_,$(RMCFLAGS))' ''$(error Error: EM86XX environment not set, please source MRUA.env in your MRUA directory)endififeq '$(findstring -DEM86XX_MODE=EM86XX_MODEID_,$(RMCFLAGS))' ''$(error Error: EM86XX environment not set, please source MRUA.env in your MRUA directory)endififneq '$(findstring -DWITH_RUAUSERMODE=1, $(RMCFLAGS))' ''$(error Error: user mode is unsupported for standalone platforms.)endif.PHONY: allall:	@echo	@echo "Sigma Designs Curacao SDK"	@echo	@echo "The following targets are available:"	@echo "  curacao       : to build Curacao and copy it to the 'bin' directory"	@echo "  cleanrelease  : to clean the package"	@echoPWD            := $(shell pwd)base_dir       := $(PWD)bin_dir        := $(base_dir)/binsrc_dir        := $(base_dir)/srccuracao_dir    := $(src_dir)/curacaocuracao_target := $(curacao_dir)/curacaocuracao_bin    := $(bin_dir)/curacao$(curacao_target): FORCE	make -C $(@D)$(curacao_bin): $(curacao_target)	cp $< $@.PHONY: curacaocuracao: $(curacao_bin).PHONY: FORCEFORCE:.PHONY: cleanreleasecleanrelease:	make -C $(curacao_dir) cleanall	rm -f $(curacao_bin)