--- Makefile.orig
+++ Makefile
@@ -25,10 +25,10 @@ MFILES= dev/pccard/card_if.m dev/pccard/
 	dev/ofw/ofw_bus_if.m isa/isa_if.m kern/bus_if.m \
 	kern/device_if.m kern/serdev_if.m
 
-uartlirc_if.h: uartlirc_if.m
+uartlirc_if.h: uartlirc_if.m @
 	${AWK} -f @/tools/makeobjops.awk uartlirc_if.m -h
 
-uartlirc_if.c: uartlirc_if.m
+uartlirc_if.c: uartlirc_if.m @
 	${AWK} -f @/tools/makeobjops.awk uartlirc_if.m -c
 
 devuart: