--- Makefile	(revision 487738)
+++ Makefile	(working copy)
@@ -22,7 +22,8 @@ 
 		libgoffice-0.10.so:devel/goffice010
 RUN_DEPENDS=	${LOCALBASE}/share/fonts/dejavu/DejaVuSerif.ttf:x11-fonts/dejavu
 
-USES=		desktop-file-utils gmake iconv jpeg libtool pathfix pkgconfig
+USES=		compiler:c++11-lang desktop-file-utils gmake gnome iconv jpeg \
+		libtool pathfix pkgconfig
 USE_GNOME=	libxml2 gtk30 librsvg2 libxslt
 GNU_CONFIGURE=	yes
 CPPFLAGS+=	-I${LOCALBASE}/include