SRC_DIR := common gpio ifeq ($(CONFIG_BSP_USING_LPUART),y) SRC_DIR += uart endif ifeq ($(CONFIG_BSP_USING_LWIP),y) SRC_DIR += ethernet endif ifeq ($(CONFIG_BSP_USING_SEMC),y) SRC_DIR += semc endif ifeq ($(CONFIG_BSP_USING_SDIO),y) SRC_DIR += sdio endif include $(KERNEL_ROOT)/compiler.mk