Index: head/graphics/xviewer/Makefile
===================================================================
--- head/graphics/xviewer/Makefile	(revision 525048)
+++ head/graphics/xviewer/Makefile	(revision 525049)
@@ -1,53 +1,53 @@
 # Created by: Alexey Dokuchaev <danfe@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	xviewer
 PORTVERSION=	2.4.3
 CATEGORIES=	graphics
 
 MAINTAINER=	danfe@FreeBSD.org
 COMMENT=	Fast and functional image viewer
 
 LICENSE=	GPLv2+
 
 BUILD_DEPENDS=	intltool-update:textproc/intltool \
 		itstool:textproc/itstool \
 		${LOCALBASE}/share/aclocal/yelp.m4:textproc/yelp-tools
 LIB_DEPENDS=	libcinnamon-desktop.so:x11/cinnamon-desktop \
 		libpeas-1.0.so:devel/libpeas
 
-USES=		autoreconf desktop-file-utils gettext-tools gmake gnome \
-		libtool localbase pkgconfig
+USES=		autoreconf compiler:c++11-lang desktop-file-utils gettext-tools \
+		gmake gnome libtool localbase pkgconfig
 GNU_CONFIGURE=	yes
 USE_GITHUB=	yes
 GH_ACCOUNT=	linuxmint
 USE_GNOME=	atk cairo gdkpixbuf2 gtk30 introspection pango
 USE_XORG=	x11
 GLIB_SCHEMAS=	org.x.viewer.enums.xml org.x.viewer.gschema.xml
 INSTALLS_ICONS=	yes
 
 OPTIONS_DEFINE=	JPEG LCMS2 LIBEXIF LIBRSVG2 XMP
 OPTIONS_DEFAULT=	JPEG LCMS2 LIBEXIF LIBRSVG2 XMP
 XMP_DESC=	Adobe Extensible Metadata Platform support
 OPTIONS_SUB=	yes
 
 JPEG_USES=		jpeg
 JPEG_CONFIGURE_OFF=	--without-libjpeg
 
 LCMS2_LIB_DEPENDS=	liblcms2.so:graphics/lcms2
 LCMS2_CONFIGURE_OFF=	--without-cms
 
 LIBEXIF_LIB_DEPENDS=	libexif.so:graphics/libexif
 LIBEXIF_CONFIGURE_OFF=	--without-libexif
 
 LIBRSVG2_USE=		GNOME=librsvg2
 LIBRSVG2_CONFIGURE_OFF=	--without-librsvg
 
 XMP_LIB_DEPENDS=	libexempi.so:textproc/exempi
 XMP_CONFIGURE_OFF=	--without-xmp
 
 post-patch:
 	@${REINPLACE_CMD} -e '/CINNAMON_DESKTOP_REQUIRED/s,3\.2\.0,2.4.2,' \
 		${WRKSRC}/configure.ac
 
 .include <bsd.port.mk>