Index: Makefile
===================================================================
--- Makefile	(revision 488017)
+++ Makefile	(working copy)
@@ -16,7 +16,7 @@
 		libopenjp2.so:graphics/openjpeg \
 		libpoppler-qt5.so:graphics/poppler-qt5
 
-USES=		desktop-file-utils gl qmake qt:5
+USES=		compiler:c++11-lang desktop-file-utils gl qmake qt:5
 USE_GITHUB=	yes
 GH_ACCOUNT=	markummitchell
 USE_QT=		core gui printsupport sql xml widgets buildtools_build