Index: head/math/vtk8/Makefile
===================================================================
--- head/math/vtk8/Makefile	(revision 482049)
+++ head/math/vtk8/Makefile	(revision 482050)
@@ -1,146 +1,146 @@
 # $FreeBSD$
 
 PORTNAME=	vtk
 DISTVERSION=	8.1.1
 PORTREVISION=	1
 CATEGORIES=	math graphics
 MASTER_SITES=	http://www.vtk.org/files/release/${VTK_SHORT_VER}/
 PKGNAMESUFFIX=	8
 DISTNAME=	${PORTNAME:tu}-${PORTVERSION}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Visualization toolkit
 
 LICENSE=	BSD3CLAUSE
 
 LIB_DEPENDS=	libtiff.so:graphics/tiff \
 		libpng.so:graphics/png \
 		libfreetype.so:print/freetype2 \
 		libexpat.so:textproc/expat2
 
 CONFLICTS=	vtk5 vtk6
 
-USES=		alias cmake:outsource jpeg localbase
+USES=		alias cmake:outsource compiler:c++11-lang gl jpeg localbase
 USE_LDCONFIG=	${PREFIX}/lib/vtk-${VTK_SHORT_VER}
 USE_XORG=	ice x11 xt xext sm
 
 CMAKE_ON=	BUILD_SHARED_LIBS \
 		VTK_INSTALL_NO_DOCUMENTATION VTK_USE_SYSTEM_EXPAT VTK_USE_SYSTEM_TIFF \
 		VTK_USE_SYSTEM_PNG VTK_USE_SYSTEM_JPEG VTK_USE_SYSTEM_FREETYPE VTK_USE_SYSTEM_ZLIB \
 		Module_vtkTestingCore Module_vtkTestingRendering
 CMAKE_ARGS+=	-DVTK_INSTALL_LIBRARY_DIR=lib/vtk-${VTK_SHORT_VER} \
 		-DVTK_INSTALL_ARCHIVE_DIR=lib/vtk-${VTK_SHORT_VER} \
 		-DVTK_INSTALL_QT_DIR=/${QT_LIBDIR_REL}/plugins/designer \
 		-DSTAGEDIR=${STAGEDIR}
 
 VTK_SHORT_VER=	${PORTVERSION:R}
 
 DOCSDIR=	${PREFIX}/share/doc/vtk-${VTK_SHORT_VER}
 DATADIR=	${PREFIX}/share/vtk-${VTK_SHORT_VER}
 
 # Options
 OPTIONS_DEFINE=	DESIGNER DOCS OSMESA EXAMPLES
 OPTIONS_DEFAULT=	QT5
 OSMESA_DESC=	Use Mesa for off-screen rendering
 DESIGNER_DESC=	Build the Qt Designer plugin
 OPTIONS_SUB=	yes
 
 # Options groups
 #VTK_GROUPS=	Imaging MPI Qt Rendering StandAlone Views
 VTK_GROUPS=	MPI
 VTK_WRAPS=	JAVA TCLTK
 OPTIONS_GROUP=	Groups Wrapping
 OPTIONS_GROUP_Groups=${VTK_GROUPS}
 OPTIONS_GROUP_Wrapping=${VTK_WRAPS}
 .for g in ${VTK_GROUPS}
 $g_DESC=	Build the $g group
 .endfor
 .for w in ${VTK_WRAPS}
 $w_DESC=	$w wrapping
 .endfor
 
 # Qt radio
 OPTIONS_RADIO=	Qt
 OPTIONS_RADIO_Qt=	QT4 QT5
 Qt_DESC=	Qt GUI support
 QT4_DESC=	Qt 4 toolkit support
 QT5_DESC=	Qt 5 toolkit support
 
 QT4_USES=		qt:4
 QT4_USE=		QT=corelib,designer,gui_build,gui_run,network_build,network_run,sql_build,sql_run,moc_build,uic_build,qmake_build,rcc_build,opengl,webkit_build,webkit_run
 QT4_CMAKE_ON=		-DVTK_QT_VERSION:STRING="4" \
 			-DVTK_Group_Qt:BOOL=ON
 
 QT5_USES=		qt:5
 QT5_USE=		QT=core,gui,sql,uiplugin,widgets,x11extras,qmake_build,buildtools_build
 QT5_CMAKE_ON=		-DVTK_QT_VERSION:STRING="5" \
 			-DCMAKE_PREFIX_PATH:STRING=${LOCALBASE}/lib/qt5 \
 			-DVTK_Group_Qt:BOOL=ON
 
 DESIGNER_CMAKE_BOOL=	QT_DESIGNER_PLUGIN
 DESIGNER_USE=		QT=designer
 
 MPI_LIB_DEPENDS=	libmpi.so:net/openmpi
 MPI_CMAKE_ON=		-DMPIEXEC=${LOCALBASE}/mpi/openmpi/bin/mpiexec
 
 OSMESA_CMAKE_ARGS=	-DVTK_OPENGL_HAS_OSMESA:BOOL=ON \
 			-DOSMESA_INCLUDE_DIR:PATH=${LOCALBASE}/include/Mesa \
 			-DOSMESA_LIBRARY:FILEPATH=${LOCALBASE}/lib/libOSMesa.so \
 			-DOPENGL_gl_LIBRARY:FILEPATH=${LOCALBASE}/lib/libOSMesa.so \
 			-DVTK_USE_X:BOOL=OFF
 OSMESA_LIB_DEPENDS=	libOSMesa.so:graphics/libosmesa
 
 # Wrapping
 JAVA_CATEGORIES=	java
 JAVA_VARS=		USE_JAVA=yes
 JAVA_CMAKE_BOOL=	VTK_WRAP_JAVA Module_vtkWrappingJava
 JAVA_CMAKE_ON=		-DJAVA_INCLUDE_PATH:PATH=${JAVA_HOME}/include \
 			-DJAVA_AWT_LIBRARY:PATH=${JAVA_HOME}/jre/lib/${ARCH}/libjawt.so \
 			-DJAVA_JVM_LIBRARY:PATH=${JAVA_HOME}/jre/lib/${ATCH}/libjava.so
 
 TCLTK_USES=		tk
 TCLTK_CMAKE_BOOL=	VTK_WRAP_TCL VTK_Group_Tk
 TCLTK_CMAKE_ON=		-DTCL_INCLUDE_PATH:PATH=${TCL_INCLUDEDIR} \
 			-DTK_INCLUDE_PATH:PATH=${TK_INCLUDEDIR}  \
 			-DVTK_INSTALL_TCL_DIR=lib/vtk-${VTK_SHORT_VER}
 
 DOCS_CMAKE_BOOL=	BUILD_DOCUMENTATION
 DOCS_BUILD_DEPENDS=	doxygen:devel/doxygen
 
 EXAMPLES_CMAKE_BOOL=	BUILD_EXAMPLES
 
 # Mangling so that it will build when science/netcdf is installed.
 post-patch:
 	@${MV} ${WRKSRC}/ThirdParty/netcdf/vtknetcdf/include/netcdf.h \
 		${WRKSRC}/ThirdParty/netcdf/vtknetcdf/include/xxxnetcdf.h
 	@${FIND} ${WRKSRC}/ThirdParty/netcdf -type f | ${XARGS} ${REINPLACE_CMD} \
 		-E 's/[[:<:]]netcdf\.h[[:>:]]/xxxnetcdf.h/'
 	@${REINPLACE_CMD} -e "s|reinterpret_cast<const GLvoid \*>(NULL)|nullptr|g" \
 		${WRKSRC}/Rendering/OpenGL2/*.cxx \
 		${WRKSRC}/Rendering/VolumeOpenGL2/vtkOpenGLProjectedTetrahedraMapper.cxx # many files/places, see https://gitlab.kitware.com/vtk/vtk/issues/17179
 	@${REINPLACE_CMD} -e "s|static_cast<Window>(NULL)|0|g" \
 		${WRKSRC}/Rendering/OpenGL2/*.cxx # many files/places, see https://gitlab.kitware.com/vtk/vtk/issues/17179
 
 .include <bsd.port.options.mk>
 
 .for g in ${VTK_GROUPS}
 .  if ${PORT_OPTIONS:M${g}}
 CMAKE_ARGS+=	-DVTK_Group_${g}:BOOL=ON
 .  else
 CMAKE_ARGS+=	-DVTK_Group_${g}:BOOL=OFF
 .  endif
 .endfor
 
 .if !${PORT_OPTIONS:MOSMESA}
 USE_GL=		gl glu
 .endif
 
 .if ${PORT_OPTIONS:MDESIGNER} && !${PORT_OPTIONS:MQT5} && !${PORT_OPTIONS:MQT4}
 IGNORE=	designer requires either QT4 or QT5
 .endif
 
 post-install: # autoplist: thousands of files, complex dependencies on options
 	@cd ${STAGEDIR}${PREFIX} && \
 		${FIND} * -type f -or -type l >> ${TMPPLIST}
 
 .include <bsd.port.mk>