Index: head/science/simbody/Makefile
===================================================================
--- head/science/simbody/Makefile	(revision 508356)
+++ head/science/simbody/Makefile	(revision 508357)
@@ -1,49 +1,50 @@
 # $FreeBSD$
 
 PORTNAME=	simbody
 DISTVERSIONPREFIX=	Simbody-
 DISTVERSION=	3.6.1
 PORTREVISION=	3
 CATEGORIES=	science biology
 
 PATCH_SITES=	https://github.com/${PORTNAME}/${PORTNAME}/commit/
 PATCHFILES=	1b306f66bcd15e9bf6b27882e2daa6375ac4cd2e.patch:-p1 \
 		eaff90b304291ab9ffdf60d7abfb48e23e102ecb.patch:-p1
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Multibody dynamics library for (bio)mechanical systems simulation
 
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
 LIB_DEPENDS=	libopenblas.so:math/openblas
 
 USES=		blaslapack:openblas cmake compiler:c++11-lang fortran # fortran only for openblas
 USE_GITHUB=	yes
 USE_LDCONFIG=	yes
 
 CMAKE_OFF=	BUILD_TESTING BUILD_EXAMPLES
 CMAKE_ARGS=	-DBLAS_LIBRARIES:STRING=${LOCALBASE}/lib/libopenblas.so -DLAPACK_LIBRARIES:STRING=${LOCALBASE}/lib/libopenblas.so
 
 OPTIONS_DEFINE=		DOCS VISUALIZER
 OPTIONS_DEFAULT=	VISUALIZER
 OPTIONS_SUB=		yes
 
 DOCS_CMAKE_BOOL=	INSTALL_DOCS
 
+VISUALIZER_DESC=	Build the visualizer component
 VISUALIZER_CMAKE_BOOL=	BUILD_VISUALIZER
 VISUALIZER_USES=	gl
 VISUALIZER_USE=		GL=gl,glu,glut XORG=xi,xmu
 
 PORTDOCS=	*
 
 post-install-DOCS-on: # https://github.com/simbody/simbody/issues/652
 	@${RMDIR} ${STAGEDIR}${DOCSDIR}/api
 
 do-test: # one test is known to fail: https://github.com/simbody/simbody/issues/653
 	@cd ${BUILD_WRKSRC} && \
 		${SETENV} ${CONFIGURE_ENV} ${CMAKE_BIN} ${CMAKE_ARGS} -DBUILD_TESTING=ON ${CMAKE_SOURCE_PATH} && \
 		${SETENV} ${MAKE_ENV} ${MAKE_CMD} ${MAKE_ARGS} ${ALL_TARGET} && \
 		${SETENV} ${MAKE_ENV} ${MAKE_CMD} ${MAKE_ARGS} test
 
 .include <bsd.port.mk>