Documentation/arm/SH-Mobile/Makefile - SHIFTPHONES/android_kernel_shift_sdm845 - Gitiles

 # List of programs to build
 hostprogs-y := vrl4

 # Tell kbuild to always build the programs
 always := $(hostprogs-y)

 HOSTCFLAGS_vrl4.o += -I$(objtree)/usr/include -I$(srctree)/tools/include
	# List of programs to build
	hostprogs-y := vrl4

	# Tell kbuild to always build the programs
	always := $(hostprogs-y)

	HOSTCFLAGS_vrl4.o += -I$(objtree)/usr/include -I$(srctree)/tools/include