Index: head/net/libyang/Makefile
===================================================================
--- head/net/libyang/Makefile	(revision 481852)
+++ head/net/libyang/Makefile	(revision 481853)
@@ -1,26 +1,26 @@
 # $FreeBSD$
 
 PORTNAME=	libyang
 PORTVERSION=	0.16
 DISTVERSIONPREFIX=	v
 DISTVERSIONSUFFIX=	-r1
-PORTREVISION=	2
+PORTREVISION=	3
 CATEGORIES=	net
 
 MAINTAINER=	olivier@FreeBSD.org
 COMMENT=	YANG data modeling language library
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 LIB_DEPENDS=	libpcre.so:devel/pcre
 
-USES=	cmake pkgconfig
+USES=	cmake compiler:c++11-lang pkgconfig
 USE_LDCONFIG=	yes
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	CESNET
 
 CMAKE_ARGS+=	-DENABLE_LYD_PRIV=ON
 
 .include <bsd.port.mk>