Index: head/sysutils/pefs-kmod/Makefile
===================================================================
--- head/sysutils/pefs-kmod/Makefile	(revision 438188)
+++ head/sysutils/pefs-kmod/Makefile	(revision 438189)
@@ -1,46 +1,50 @@
 # Created by: Gleb Kurtsou <gleb@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	pefs
 DISTVERSION=	2017-02-19
 CATEGORIES=	sysutils
 MASTER_SITES=	LOCAL/gleb
 PKGNAMESUFFIX=	-kmod
 
 MAINTAINER=	gleb@FreeBSD.org
 COMMENT=	PEFS kernel level stacked cryptographic filesystem
 
 LICENSE=	BSD2CLAUSE
 
 MAKE_JOBS_UNSAFE=yes
 MAKE_ENV=	BINDIR="${PREFIX}/sbin" MANDIR="${MANPREFIX}/man/man" \
 		NO_MANCOMPRESS=
 
 ONLY_FOR_ARCHS=	i386 amd64 armv6
-ONLY_FOR_ARCHS_REASON= Untested on any other arch.
+ONLY_FOR_ARCHS_REASON= untested on any other arch
 
+BROKEN_DragonFly=	does not build: don't know how to make vnode_if.h
+
 USES=		kmod uidfix
 
 OPTIONS_DEFINE=	AESNI
 OPTIONS_DEFAULT=
 AESNI_DESC=	Enable AES-NI hardware acceleration
 
 PLIST_FILES=	sbin/pefs \
 		lib/pam_pefs.so \
 		man/man8/pam_pefs.8.gz \
 		man/man8/pefs.8.gz \
 		${KMODDIR}/pefs.ko
 
 .include <bsd.port.options.mk>
 
 .if ${PORT_OPTIONS:MAESNI}
 MAKE_ENV+=	PEFS_AESNI=yes
 .endif
 
-.if ${OSVERSION} >= 1100117
+.if ${OPSYS} == FreeBSD
+. if ${OSVERSION} >= 1100117
 PLIST_FILES+=	lib/pam_pefs.so.6
-.else
+. else
 PLIST_FILES+=	lib/pam_pefs.so.5
+. endif
 .endif
 
 .include <bsd.port.mk>