Index: devel/kdevelop-kde4/Makefile
===================================================================
--- devel/kdevelop-kde4/Makefile	(revision 10500)
+++ devel/kdevelop-kde4/Makefile	(working copy)
@@ -17,7 +17,7 @@
 USE_KDE4=	kdelibs kdeprefix workspace automoc4
 USE_QT4=	qmake_build moc_build uic_build rcc_build \
 		corelib declarative gui help script webkit xml
-USES=		cmake gmake shared-mime-info tar:xz
+USES=		cmake compiler:c++11-lang gmake shared-mime-info tar:xz
 
 OPTIONS_DEFINE=	OKTETA PHP NLS
 OPTIONS_DEFAULT=	OKTETA PHP
Index: devel/kdevplatform/Makefile
===================================================================
--- devel/kdevplatform/Makefile	(revision 10500)
+++ devel/kdevplatform/Makefile	(working copy)
@@ -19,7 +19,7 @@
 USE_KDE4=	kate_run kdelibs kdeprefix automoc4
 USE_QT4=	qmake_build moc_build uic_build rcc_build \
 		corelib designer_build gui webkit
-USES=		cmake shebangfix tar:xz
+USES=		compiler:c++11-lang cmake shebangfix tar:xz
 USE_LDCONFIG=	yes
 
 SHEBANG_FILES=	util/kdev_format_source util/kdevplatform_shell_environment.sh