diff -urN sys/modules/bhnd.orig/Makefile sys/modules/bhnd/Makefile
--- sys/modules/bhnd.orig/Makefile	2016-10-16 20:21:13.182870000 +0700
+++ sys/modules/bhnd/Makefile	2016-10-16 21:49:58.991329000 +0700
@@ -23,5 +23,7 @@
 	siba \
 	siba_bhndb
 
+.include "Makefile.inc"
+
 .include <bsd.kmod.mk>
 .include <bsd.subdir.mk>
diff -urN sys/modules/bhnd.orig/Makefile.inc sys/modules/bhnd/Makefile.inc
--- sys/modules/bhnd.orig/Makefile.inc	1970-01-01 07:00:00.000000000 +0700
+++ sys/modules/bhnd/Makefile.inc	2016-10-16 21:53:02.470193000 +0700
@@ -0,0 +1,10 @@
+# $FreeBSD$
+
+.if !defined(KERNBUILDDIR)
+
+SRCS+=	opt_global.h
+
+opt_global.h:
+	echo "" >> ${.TARGET}
+
+.endif
diff -urN sys/modules/bhnd.orig/cores/Makefile.inc sys/modules/bhnd/cores/Makefile.inc
--- sys/modules/bhnd.orig/cores/Makefile.inc	1970-01-01 07:00:00.000000000 +0700
+++ sys/modules/bhnd/cores/Makefile.inc	2016-10-16 20:34:13.854705000 +0700
@@ -0,0 +1,3 @@
+# $FreeBSD$
+
+.include "../Makefile.inc"