src/devtools/met-driver/4.14/Makefile

ifneq ($(MET_DRIVER_DIR),)
	MTK_PLATFORM := $(subst ",,$(CONFIG_MTK_PLATFORM))
	MET_COMMON_DIR := $(MET_DRIVER_DIR)/common
	MET_PLF_DIR := $(MET_DRIVER_DIR)/$(MTK_PLATFORM)
	MET_BUILD_DEFAULT := n

	ifneq ($(KERNEL_OUT),)
		include $(KERNEL_OUT)/.config
		ccflags-y += -imacros $(KERNEL_OUT)/include/generated/autoconf.h
	endif

	ifeq ($(CONFIG_MODULES),y)
		ifeq ($(CONFIG_FTRACE),y)
			ifeq ($(CONFIG_TRACING),y)
				FTRACE_READY := y
			endif
		endif

        $(info ******** Start to build met_drv for $(MTK_PLATFORM) ********)
		ifneq ($(MET_PLF_DIR),)
			ifeq ($(FTRACE_READY),y)
				ifeq ($(CONFIG_BUILD_YOCTO),y)
					include $(MET_COMMON_DIR)/Kbuild.yocto
				else
					$(warning No Kbuild.yocto, build met default)
					MET_BUILD_DEFAULT = y
				endif
			else
				$(warning Not building met.ko due to CONFIG_FTRACE/CONFIG_TRACING is not set, build met default)
				MET_BUILD_DEFAULT = y
			endif
		else
			$(warning not support $(MTK_PLATFORM), build met default)
			MET_BUILD_DEFAULT = y
		endif
	else
		$(warning Not building met.ko due to CONFIG_MODULES is not set, build met default)
		MET_BUILD_DEFAULT := y
	endif

	ifeq ($(MET_BUILD_DEFAULT),y)
		MET_DEF_DIR := $(MET_DRIVER_DIR)/default
		include $(MET_DEF_DIR)/Kbuild
	endif
else
$(info ******** MET_DRIVER_DIR is empty ********)
endif