SDK_DEMO_PATH ?= . BL_SDK_BASE ?= $(SDK_DEMO_PATH)/../.. export BL_SDK_BASE CHIP ?= bl616 BOARD ?= bl616dk CROSS_COMPILE ?= riscv64-unknown-elf- CONFIG_BOOT2_VER ?= 1.0.0 # add custom cmake definition cmake_definition+=-DCONFIG_BOOT2_VER=${CONFIG_BOOT2_VER} include $(BL_SDK_BASE)/project.build