-EXTRA_CFLAGS += -I$(src)/..
-EXTRA_CFLAGS += -I$(srctree)/drivers/media/dvb/dvb-core
-EXTRA_CFLAGS += -I$(srctree)/drivers/media/dvb/frontends
+EXTRA_CFLAGS += -Idrivers/media/video
+EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core
+EXTRA_CFLAGS += -Idrivers/media/dvb/frontends
+
+extra-cflags-$(CONFIG_VIDEO_BUF_DVB) += -DHAVE_VIDEO_BUF_DVB=1
+
+EXTRA_CFLAGS += $(extra-cflags-y) $(extra-cflags-m)