BUILD_DIR=embedded-build/can-usb1
OMK_CONFIG=embedded/board/arm/ul_usb1/config/config.usbcan
-SOURCE_PATHS+=" $SOURCE_DIRS"
-SOURCE_PATHS+=" $(echo $OMK_RULES_DIR/*)"
+SOURCE_PATHS="$SOURCE_PATHS $SOURCE_DIRS $(echo $OMK_RULES_DIR/*)"
TOP_RELATIVE="$( echo "$BUILD_DIR" | sed -n -e 's#[^/]*/[^/]*#../#pg' ).."