--- Makefile	(revision 482334)
+++ Makefile	(working copy)
@@ -7,7 +7,8 @@ 
 MAINTAINER=	kde@FreeBSD.org
 COMMENT=	Tools to translate Docbook XML using gettext
 
-USES=		cmake:outsource gettext-tools:build,run kde:5 qt:5 tar:xz
+USES=		cmake:outsource compiler:c++11-lang gettext-tools:build,run \
+		kde:5 qt:5 tar:xz
 USE_KDE=	doctools ecm
 USE_QT=		core xml \
 		buildtools_build qmake_build