Index: Makefile
===================================================================
--- Makefile	(revision 482334)
+++ Makefile	(working copy)
@@ -9,7 +9,7 @@
 COMMENT=	Qt5 SXCML module
 
 USE_QT=		core network qml buildtools_build
-USES=		qmake qt-dist:5,scxml
+USES=		compiler:c++11-lang qmake qt-dist:5,scxml
 USE_LDCONFIG=	${PREFIX}/${QT_LIBDIR_REL}
 
 .include <bsd.port.mk>