diff --git a/tools/tools/gensnmpdef/Makefile b/tools/tools/gensnmpdef/Makefile
new file mode 100644
index 000000000000..437e304d0ce7
--- /dev/null
+++ b/tools/tools/gensnmpdef/Makefile
@@ -0,0 +1,22 @@
+# $FreeBSD$
+
+.PATH:	${SRCTOP}/contrib/bsnmp/gensnmpdef
+
+PROG=	gensnmpdef
+
+SRCS=	gensnmpdef.c
+
+MAN=	gensnmpdef.1
+
+LOCALBASE?=	/usr/local
+
+BINDIR=	${LOCALBASE}/bin
+
+MANDIR=	${LOCALBASE}/man/man
+
+CFLAGS+=	-I${LOCALBASE}/include
+LDFLAGS+=	-L${LOCALBASE}/lib
+
+LDADD+=	-lsmi
+
+.include <bsd.prog.mk>