Index: head/science/kalzium/Makefile
===================================================================
--- head/science/kalzium/Makefile	(revision 506919)
+++ head/science/kalzium/Makefile	(revision 506920)
@@ -1,34 +1,35 @@
 # $FreeBSD$
 
 PORTNAME=	kalzium
 DISTVERSION=	${KDE_APPLICATIONS_VERSION}
 CATEGORIES=	science kde kde-applications
 
 MAINTAINER=	kde@FreeBSD.org
 COMMENT=	Periodic table of elements for KDE 4
 
 LIB_DEPENDS=	libopenbabel.so:science/openbabel \
 		libAvogadroCore.so:science/avogadrolibs
 BUILD_DEPENDS=	${LOCALBASE}/lib/ocaml/facile/facile.a:math/facile \
 		${LOCALBASE}/libdata/pkgconfig/chemical-mime-data.pc:science/chemical-mime-data
 RUN_DEPENDS=	${LOCALBASE}/libdata/pkgconfig/chemical-mime-data.pc:science/chemical-mime-data
 
-USES=		cmake desktop-file-utils gettext kde:5 pkgconfig qt:5 tar:xz
+USES=		cmake compiler:c++11-lang desktop-file-utils gettext kde:5 \
+		pkgconfig qt:5 tar:xz
 USE_GL=		gl glew glu
 USE_KDE=	auth archive attica bookmarks codecs completion config configwidgets \
 		coreaddons crash doctools ecm emoticons guiaddons i18n \
 		iconthemes itemmodels itemviews jobwidgets js kdelibs4support \
 		khtml kio newstuff notifications parts plotting service solid \
 		sonnet textwidgets unitconversion widgetsaddons windowsystem \
 		xmlgui
 USE_OCAML=	yes
 NO_OCAML_RUNDEPENDS=	yes
 USE_QT=		concurrent core dbus declarative gui network opengl printsupport script svg \
 		widgets xml \
 		buildtools_build qmake_build
 
 USE_LDCONFIG=	yes
 
 OPTIONS_DEFINE=	DOCS
 
 .include <bsd.port.mk>