Index: head/science/kst2/Makefile
===================================================================
--- head/science/kst2/Makefile	(revision 486412)
+++ head/science/kst2/Makefile	(revision 486413)
@@ -1,69 +1,69 @@
 # Created by: Markus Brueffer <markus@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	kst
 DISTVERSION=	${KST_VERSION}.${KST_DATE}
 CATEGORIES=	science kde
 
 MAINTAINER=	makc@FreeBSD.org
 COMMENT=	Data viewing and plotting tool
 
 LICENSE=	GPLv2 GFDL LGPL20
 LICENSE_COMB=	multi
 LICENSE_FILE_GPLv2=	${WRKSRC}/COPYING
 LICENSE_FILE_GFDL=	${WRKSRC}/COPYING-DOCS
 LICENSE_FILE_LGPL20=	${WRKSRC}/COPYING.LGPL
 
 LIB_DEPENDS=	libgsl.so:math/gsl \
 		libtiff.so:graphics/tiff
 
 KST_VERSION=	2.0.8
 KST_DATE=	20181123
 
 USES=		cmake:outsource desktop-file-utils pkgconfig \
 		shared-mime-info
 _USE_QT4=	corelib gui xml designer network svg linguisttools_build \
 		qmake_build moc_build rcc_build uic_build
 _USE_QT5=	concurrent core gui network printsupport svg widgets xml \
 		buildtools_build linguisttools_build qmake_build
 USE_LDCONFIG=	yes
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	Kst-plot
 GH_TAGNAME=	c5dddb1
 
 CMAKE_ARGS=	-Dkst_install_prefix=${PREFIX} \
 		-Dkst_pch=off \
 		-Dkst_version_string=${KST_VERSION} \
 		-Dkst_revision=${KST_DATE} \
 		-DCMAKE_DISABLE_FIND_PACKAGE_Getdata=ON
 
 PLIST_SUB=	SHLIB_VER=${KST_VERSION}
 
 OPTIONS_DEFINE=	FITS MATLAB NETCDF
 OPTIONS_SINGLE=	TOOLKIT
 OPTIONS_SINGLE_TOOLKIT=	QT4 QT5
 OPTIONS_DEFAULT=	QT5
 OPTIONS_SUB=	yes
 
 FITS_DESC=	Support for data in FITS format
 FITS_LIB_DEPENDS=	libcfitsio.so:astro/cfitsio
 FITS_CMAKE_OFF=	-DCMAKE_DISABLE_FIND_PACKAGE_CFITSIO=ON
 
 MATLAB_DESC=	Support for data in MATLAB format
 MATLAB_LIB_DEPENDS=	libmatio.so:math/matio
 MATLAB_CMAKE_OFF=	-DCMAKE_DISABLE_FIND_PACKAGE_Matio=ON
 
 NETCDF_DESC=	Support for data in NetCDF format (broken)
 NETCDF_LIB_DEPENDS=	libnetcdf.so:science/netcdf
 NETCDF_IGNORE=	does not support NetCDF 4
 NETCDF_CMAKE_OFF=	-DCMAKE_DISABLE_FIND_PACKAGE_Netcdf=ON
 
 TOOLKIT_DESC=	Qt toolkit
 QT4_USES=	qt:4
 QT4_USE=	${_USE_QT4:S/^/QT=/}
-QT5_USES=	qt:5
+QT5_USES=	compiler:c++11-lang qt:5
 QT5_USE=	${_USE_QT5:S/^/QT=/}
 QT5_CMAKE_ON=	-Dkst_qt5=on
 
 .include <bsd.port.mk>