Index: science/vmd/Makefile
===================================================================
--- science/vmd/Makefile	(revision 498155)
+++ science/vmd/Makefile	(working copy)
@@ -39,7 +39,7 @@
 LICENSE_NAME_STRIDE=	Stride Copyright Notice
 LICENSE_DISTFILES_STRIDE=${STRIDE_DIST}
 
-USES=		gmake perl5 python shebangfix sqlite tcl tk
+USES=		gl gmake perl5 python shebangfix sqlite tcl tk
 
 SHEBANG_FILES=	${WRKDIR}/plugins/topotools/*.tcl