Index: Makefile
===================================================================
--- Makefile	(revision 488017)
+++ Makefile	(working copy)
@@ -21,7 +21,8 @@
 		libfontconfig.so:x11-fonts/fontconfig
 RUN_DEPENDS=	${LUA_PKGNAMEPREFIX}luafilesystem>=0:devel/luafilesystem-51
 
-USES=		desktop-file-utils gettext-runtime gmake lua:51 pkgconfig sqlite
+USES=		compiler:c++11-lang desktop-file-utils gettext-runtime gmake \
+		lua:51 pkgconfig sqlite
 USE_GITHUB=	yes
 USE_GNOME=	cairo gdkpixbuf2 glib20 gtk30