Index: head/devel/mdb/Makefile
===================================================================
--- head/devel/mdb/Makefile
+++ head/devel/mdb/Makefile
@@ -2,6 +2,7 @@
 
 PORTNAME=	mdb
 PORTVERSION=	0.3
+PORTREVISION=	1
 CATEGORIES=	devel
 
 MAINTAINER=	jhb@FreeBSD.org
@@ -25,6 +26,8 @@
 WRKSRC_SUBDIR=	freebsd/cddl/usr.bin/mdb
 CFLAGS+=	-DMDB_PREFIX=\\\"${PREFIX}\\\" -g
 
+.include <bsd.port.pre.mk>
+
 .if !exists(${SRC_BASE}/cddl/compat) || !exists(${SRC_BASE}/sys/cddl/compat)
 IGNORE=		requires full source tree with CDDL sources
 .endif
@@ -32,4 +35,4 @@
 pre-install:
 	${MKDIR} ${STAGEDIR}${PREFIX}/lib/mdb/kvm/${MACHINE_ARCH}
 
-.include <bsd.port.mk>
+.include <bsd.port.post.mk>
Index: head/devel/mdb/pkg-plist
===================================================================
--- head/devel/mdb/pkg-plist
+++ head/devel/mdb/pkg-plist
@@ -2,3 +2,4 @@
 lib/mdb/kvm/amd64/kernel.so
 lib/mdb/kvm/amd64/kld.so
 lib/mdb/kvm/amd64/mdb_ks.so
+lib/mdb/kvm/amd64/opensolaris.so