-EXTRA="extras/chassis_id extras/scsi_id extras/volume_id"
-
-make spotless EXTRAS="$EXTRA" >/dev/null
-make all EXTRAS="$EXTRA" || exit
+EXTRAS="\
+ extras/chassis_id \
+ extras/scsi_id \
+ extras/ata_id \
+ extras/volume_id \
+ extras/usb_id \
+ extras/dasd_id \
+ extras/floppy \
+ extras/run_directory"
+
+[ -z "$KERNEL_DIR" ] && KERNEL_DIR=/lib/modules/`uname -r`/build
+echo KERNEL_DIR: "$KERNEL_DIR"
+
+make spotless EXTRAS="$EXTRAS" >/dev/null
+make all $MAKEOPTS EXTRAS="$EXTRAS" || exit