Index: Makefile
===================================================================
--- Makefile	(revision 487878)
+++ Makefile	(working copy)
@@ -27,8 +27,9 @@
 USE_XORG=	x11
 USE_GNOME=	cairo gnomedocutils gtk30 intlhack libgsf libxml2
 USE_GL=		gl
-USES=		desktop-file-utils gettext gmake libtool:keepla localbase:ldflags \
-		pathfix pkgconfig shared-mime-info tar:xz
+USES=		compiler:c++11-lang desktop-file-utils gettext gl gmake gnome \
+		libtool:keepla localbase:ldflags pathfix pkgconfig \
+		shared-mime-info tar:xz
 USE_LDCONFIG=	yes
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	--with-omf-dir=${PREFIX}/share/omf