1 2.if ${MK_FDT} == "yes" 3CFLAGS+= -I${FDTSRC} 4CFLAGS+= -I${BOOTOBJ}/fdt 5CFLAGS+= -I${SYSDIR}/contrib/libfdt 6CFLAGS+= -DLOADER_FDT_SUPPORT 7LIBFDT= ${BOOTOBJ}/fdt/libfdt.a 8.endif 9