Index: head/science/smoldyn/Makefile
===================================================================
--- head/science/smoldyn/Makefile	(revision 569193)
+++ head/science/smoldyn/Makefile	(revision 569194)
@@ -1,29 +1,30 @@
 # $FreeBSD$
 
 PORTNAME=	smoldyn
-DISTVERSION=	2.63
+DISTVERSION=	2.64
 CATEGORIES=	science
 MASTER_SITES=	http://www.smoldyn.org/
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Biochemical simulator for molecular diffusion, surface interactions
 
 LICENSE=	LGPL3
 LICENSE_FILE=	${WRKSRC}/License.txt
 
 LIB_DEPENDS=	libtiff.so:graphics/tiff
 
 USES=		cmake compiler:c++11-lang gl tar:tgz xorg
 USE_GL=		gl glu glut
 USE_XORG=	xi xmu
+USE_LDCONFIG=	yes
 
 CMAKE_OFF=	OPTION_PYTHON
 
 PLIST_FILES=	bin/${PORTNAME} \
 		include/libsmoldyn.h \
 		include/smoldyn.h \
 		include/smoldynconfigure.h \
 		lib/libsmoldyn_shared.so \
 		lib/libsmoldyn_static.a
 
 .include <bsd.port.mk>
Index: head/science/smoldyn/distinfo
===================================================================
--- head/science/smoldyn/distinfo	(revision 569193)
+++ head/science/smoldyn/distinfo	(revision 569194)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1608446124
-SHA256 (smoldyn-2.63.tgz) = d5a65d1960029dd597c8554c1a1e5c6b697f7c17584cbeb447f499cd9e0b6d61
-SIZE (smoldyn-2.63.tgz) = 23237270
+TIMESTAMP = 1616666096
+SHA256 (smoldyn-2.64.tgz) = ef463dfd5bf92ab55141c6f0d67c4c43f5394cc2e78a79992dd9fd10ed53ddfb
+SIZE (smoldyn-2.64.tgz) = 30163544