sound/soc/intel/catpt/Makefile - third_party/kernel - Git at Google

 snd-soc-catpt-objs := device.o dsp.o loader.o ipc.o messages.o pcm.o sysfs.o

 # tell define_trace.h where to find the trace header
 CFLAGS_device.o := -I$(src)

 obj-$(CONFIG_SND_SOC_INTEL_CATPT) += snd-soc-catpt.o
	snd-soc-catpt-objs := device.o dsp.o loader.o ipc.o messages.o pcm.o sysfs.o

	# tell define_trace.h where to find the trace header
	CFLAGS_device.o := -I$(src)

	obj-$(CONFIG_SND_SOC_INTEL_CATPT) += snd-soc-catpt.o