Index: Makefile
===================================================================
--- Makefile	(revision 481139)
+++ Makefile	(working copy)
@@ -11,7 +11,7 @@
 
 LICENSE=	LGPL21
 
-USES=	cmake:outsource lxqt pkgconfig tar:xz qt:5
+USES=	cmake:outsource compiler:c++11-lang lxqt pkgconfig tar:xz qt:5
 USE_QT=	qmake_build buildtools_build core
 USE_LXQT=	buildtools