Index: head/misc/mbuffer/Makefile
===================================================================
--- head/misc/mbuffer/Makefile	(revision 464989)
+++ head/misc/mbuffer/Makefile	(revision 464990)
@@ -1,42 +1,45 @@
 # Created by: Rong-En Fan <rafan@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	mbuffer
 PORTVERSION=	2018.03.18
+PORTREVISION=	1
 CATEGORIES=	misc
 MASTER_SITES=	http://www.maier-komor.de/software/mbuffer/
 DISTNAME=	${PORTNAME}-${PORTVERSION:S/.//g}
 
 MAINTAINER=	tobik@FreeBSD.org
 COMMENT=	Tool for buffering data streams
 
-LICENSE=	GPLv3
+LICENSE=	GPLv3+
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 USES=		gmake localbase ssl tar:tgz
 GNU_CONFIGURE=	yes
 # Prevent sendfile() from being detected by configure and rejected
 # by mbuffer.c due to being "unable to send from buffers".
-CONFIGURE_ARGS=	ac_cv_search_sendfile=no
+CONFIGURE_ARGS=	ac_cv_search_sendfile=no \
+		ac_cv_header_gcrypt_h=no \
+		ac_cv_search_gcry_cipher_algo_name=no
 MAKE_ARGS=	SHELL=/bin/sh
 TEST_TARGET=	check
 
 OPTIONS_DEFINE=	MHASH
 OPTIONS_DEFAULT=	MHASH
 
 MHASH_DESC=	Use mhash for hash generation
 
 MHASH_LIB_DEPENDS=	libmhash.so:security/mhash
 MHASH_CONFIGURE_OFF=	ac_cv_search_mhash_init=no
 
 post-configure:
 	# Rename variables to make sure they aren't redefined through mhash.h
 	@${REINPLACE_CMD} -E -e 's@(PACKAGE|VERSION)@MBUFFER_\1@' \
 		${WRKSRC}/config.h ${WRKSRC}/settings.c
 
 post-install:
 	${STRIP_CMD} ${STAGEDIR}${PREFIX}/bin/mbuffer
 	${MV} ${STAGEDIR}${PREFIX}/etc/mbuffer.rc \
 		${STAGEDIR}${PREFIX}/etc/mbuffer.rc.sample
 
 .include <bsd.port.mk>