SRC_FILES := sensor.c ifeq ($(CONFIG_SENSOR_CO2),y) SRC_DIR += co2 endif ifeq ($(CONFIG_SENSOR_PM),y) SRC_DIR += pm endif ifeq ($(CONFIG_SENSOR_VOICE),y) SRC_DIR += voice endif ifeq ($(CONFIG_SENSOR_TEMPERATURE),y) SRC_DIR += temperature endif ifeq ($(CONFIG_SENSOR_HUMIDITY),y) SRC_DIR += humidity endif include $(KERNEL_ROOT)/compiler.mk