Index: head/graphics/viewnior/Makefile
===================================================================
--- head/graphics/viewnior/Makefile	(revision 527226)
+++ head/graphics/viewnior/Makefile	(revision 527227)
@@ -1,39 +1,40 @@
 # Created by: Rusmir Dusko <nemysis@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	viewnior
 PORTVERSION=	1.7
 DISTVERSIONPREFIX=	${PORTNAME}-
 CATEGORIES=	graphics
 
 MAINTAINER=	ed.arrakis@gmail.com
 COMMENT=	Fast and simple image viewer
 
 LICENSE=	GPLv3
 
 LIB_DEPENDS=	libexiv2.so:graphics/exiv2
 
-USES=		desktop-file-utils gettext-tools gnome meson ninja pkgconfig
+USES=		compiler:c++11-lang desktop-file-utils gettext-tools gnome \
+		meson ninja pkgconfig
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	hellosiyan
 GH_PROJECT=	Viewnior
 
 USE_GNOME=	gdkpixbuf2 glib20 gtk20 intlhack intltool
 INSTALLS_ICONS=	yes
 
 PORTDOCS=	AUTHORS NEWS README.md
 
 OPTIONS_DEFINE=	DOCS NLS
 OPTIONS_SUB=	yes
 
 NLS_USES=	gettext-runtime
 
 pre-configure:
 	${MKDIR} ${WRKSRC}/m4
 
 post-install:
 	${MKDIR} ${STAGEDIR}${DOCSDIR}
 	${INSTALL_DATA} ${PORTDOCS:S|^|${WRKSRC}/|} ${STAGEDIR}${DOCSDIR}
 
 .include <bsd.port.mk>