Index: devel/qt4-assistant/Makefile
===================================================================
--- devel/qt4-assistant/Makefile	(revision 485788)
+++ devel/qt4-assistant/Makefile	(working copy)
@@ -10,7 +10,7 @@
 MAINTAINER=	kde@FreeBSD.org
 COMMENT=	Qt 4 documentation browser
 
-USES=		qmake:no_env qt-dist:4
+USES=		compiler:c++11-lang qmake:no_env qt-dist:4
 USE_QT=		moc_build rcc_build uic_build \
 		corelib gui help network sql webkit xml \
 		doc_run sql-sqlite3_run
Index: devel/qt4-assistant-adp/Makefile
===================================================================
--- devel/qt4-assistant-adp/Makefile	(revision 485061)
+++ devel/qt4-assistant-adp/Makefile	(working copy)
@@ -14,9 +14,9 @@
 MAINTAINER=	kde@FreeBSD.org
 COMMENT=	Qt *.adp-compatible documentation browser
 
+USES=		compiler:c++11-lang qmake qt:4
 USE_QT=		moc_build rcc_build uic_build corelib \
 		gui network xml doc dbus
-USES=		qmake qt:4
 QMAKE_ARGS=	QT_CONFIG+="dbus" QT_PRODUCT="OpenSource"
 
 ALL_TARGET=	first
Index: devel/qt4-designer/Makefile
===================================================================
--- devel/qt4-designer/Makefile	(revision 485789)
+++ devel/qt4-designer/Makefile	(working copy)
@@ -10,7 +10,7 @@
 MAINTAINER=	kde@FreeBSD.org
 COMMENT=	Qt 4 graphical user interface designer
 
-USES=		qmake:no_env qt-dist:4
+USES=		compiler:c++11-lang qmake:no_env qt-dist:4
 USE_QT=		moc_build rcc_build uic_build assistant_run \
 		qt3support corelib declarative gui network script sql xml \
 		webkit