Index: head/net/ntopng/Makefile
===================================================================
--- head/net/ntopng/Makefile	(revision 488706)
+++ head/net/ntopng/Makefile	(revision 488707)
@@ -1,67 +1,67 @@
 # Created by: Muhammad Moinur Rahman <5u623l20@gmail.com>
 # $FreeBSD$
 
 PORTNAME=	ntopng
 PORTVERSION=	3.8.d20181221
 PORTREVISION=	1
 PORTEPOCH=	1
 CATEGORIES=	net
 
 MAINTAINER=	madpilot@FreeBSD.org
 COMMENT=	Network monitoring tool with command line and web interfaces
 
 LICENSE=	GPLv3
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 LIB_DEPENDS=	librrd.so:databases/rrdtool \
 		libzmq.so:net/libzmq4 \
 		libcurl.so:ftp/curl \
 		libndpi.so:net/ndpi \
 		libjson-c.so:devel/json-c \
 		libsodium.so:security/libsodium \
 		libmaxminddb.so:net/libmaxminddb
 BUILD_DEPENDS=  bash:shells/bash
 
-USES=		autoreconf cpe gmake libtool localbase mysql pathfix pkgconfig \
-		shebangfix sqlite ssl
+USES=		autoreconf compiler:c++11-lang cpe gmake libtool localbase \
+		mysql pathfix pkgconfig shebangfix sqlite ssl
 
 SUB_FILES=	ntopng-geoipupdate.sh pkg-deinstall
 SHEBANG_FILES=	httpdocs/misc/ntopng-add-user.sh \
 		httpdocs/misc/ntopng-utils-manage-config.in
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	--with-ndpi-includes=${LOCALBASE}/include/ndpi
 
 USERS=		ntopng
 GROUPS=		ntopng
 PLIST_SUB=	NTOPNGUSER="${USERS}" NTOPNGROUP="${GROUPS}"
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	ntop
 GH_TAGNAME=	e7503c7
 
 CPE_VENDOR=	ntop
 
 OPTIONS_DEFINE=		GEOIP NLS
 OPTIONS_DEFAULT=	GEOIP
 
 OPTIONS_SUB=	yes
 
 GEOIP_LIB_DEPENDS=	libGeoIP.so:net/GeoIP
 
 NLS_USES=	gettext
 
 USE_RC_SUBR=	ntopng
 
 post-patch:
 	@${REINPLACE_CMD} -e 's|%%LOCALBASE%%|${LOCALBASE}|' \
 		${WRKSRC}/configure.seed
 	cd ${WRKSRC} && ${SH} autogen.sh
 
 post-install:
 	${STRIP_CMD} ${STAGEDIR}${PREFIX}/bin/ntopng
 	${MKDIR} ${STAGEDIR}/var/db/ntopng
 
 post-install-GEOIP-on:
 	${INSTALL_SCRIPT} ${WRKDIR}/ntopng-geoipupdate.sh ${STAGEDIR}${PREFIX}/bin
 
 .include <bsd.port.mk>