+###### Optional features #####
+DP_CDDA?=enabled
+ifeq ($(DP_CDDA), enabled)
+ OBJ_SDLCD=$(OBJ_CD_COMMON) cd_sdl.o
+ OBJ_LINUXCD=$(OBJ_CD_COMMON) cd_linux.o
+ OBJ_BSDCD=$(OBJ_CD_COMMON) cd_bsd.o
+ OBJ_WINCD=$(OBJ_CD_COMMON) cd_win.o
+else
+ OBJ_SDLCD=$(OBJ_CD_COMMON) $(OBJ_NOCD)
+ OBJ_LINUXCD=$(OBJ_CD_COMMON) $(OBJ_NOCD)
+ OBJ_BSDCD=$(OBJ_CD_COMMON) $(OBJ_NOCD)
+ OBJ_WINCD=$(OBJ_CD_COMMON) $(OBJ_NOCD)
+endif
+
+DP_VIDEO_CAPTURE?=enabled
+ifeq ($(DP_VIDEO_CAPTURE), enabled)
+ CFLAGS_VIDEO_CAPTURE=-DCONFIG_VIDEO_CAPTURE
+ OBJ_VIDEO_CAPTURE= cap_avi.o cap_ogg.o
+else
+ CFLAGS_VIDEO_CAPTURE=
+ OBJ_VIDEO_CAPTURE=
+endif
+