+define Build/tplink-safeloader
+ -$(STAGING_DIR_HOST)/bin/tplink-safeloader \
+ -B $(TPLINK_BOARD_NAME) \
+ -V $(REVISION) \
+ -k $(word 1,$^) \
+ -r $@ \
+ -o $@.new \
+ -j \
+ $(wordlist 2,$(words $(1)),$(1)) \
+ $(if $(findstring sysupgrade,$(word 1,$(1))),-S) && mv $@.new $@ || rm -f $@
+endef
+