diff --git a/sysutils/msktutil/Makefile b/sysutils/msktutil/Makefile
index 2d3d427..b4727db 100644
--- a/sysutils/msktutil/Makefile
+++ b/sysutils/msktutil/Makefile
@@ -10,6 +10,7 @@ MAINTAINER=	zi@FreeBSD.org
 COMMENT=	Utility to manage Active Directory interoperability
 
 LICENSE=	GPLv2
+LICENSE_FILE=	${WRKSRC}/LICENSE
 
 USES=		gmake ssl tar:bzip2
 USE_OPENLDAP=	yes
@@ -18,6 +19,15 @@ WANT_OPENLDAP_SASL=	yes
 
 CONFIGURE_ARGS+=--with-sasldir=${LOCALBASE}
 
+OPTIONS_SINGLE=	GSSAPI
+OPTIONS_SINGLE_GSSAPI=	GSSAPI_BASE GSSAPI_HEIMDAL GSSAPI_MIT
+
+OPTIONS_DEFAULT=GSSAPI_BASE
+
+GSSAPI_BASE_USES=	gssapi
+GSSAPI_HEIMDAL_USES=	gssapi:heimdal
+GSSAPI_MIT_USES=	gssapi:mit
+
 PLIST_FILES=	man/man1/msktutil.1.gz sbin/msktutil
 
 post-install: