Index: head/sys/modules/fdt/fdt_slicer/Makefile
===================================================================
--- head/sys/modules/fdt/fdt_slicer/Makefile	(revision 344684)
+++ head/sys/modules/fdt/fdt_slicer/Makefile	(revision 344685)
@@ -1,13 +1,14 @@
 # $FreeBSD$
 
 .PATH: ${SRCTOP}/sys/dev/fdt
 
 KMOD=	fdt_slicer
 SRCS=	fdt_slicer.c
 
 # Generated files...
 SRCS+=	\
+	device_if.h \
 	ofw_bus_if.h \
 	opt_platform.h \
 
 .include <bsd.kmod.mk>