Index: emulators/linux-c6/Makefile
===================================================================
--- emulators/linux-c6/Makefile	(revision 368847)
+++ emulators/linux-c6/Makefile	(working copy)
@@ -84,7 +84,14 @@
 		linux-c6-png>0:${PORTSDIR}/graphics/linux-c6-png \
 		linux-c6-tiff>0:${PORTSDIR}/graphics/linux-c6-tiff \
 		linux-c6-jpeg>0:${PORTSDIR}/graphics/linux-c6-jpeg \
-		linux-c6-cairo>0:${PORTSDIR}/graphics/linux-c6-cairo \
-		linux-c6-dri>0:${PORTSDIR}/graphics/linux-c6-dri
+		linux-c6-cairo>0:${PORTSDIR}/graphics/linux-c6-cairo
 
+OPTIONS_DEFINE=	NVIDIA_GL
+NVIDIA_GL_DESC=	Use GL driver from nvidia-driver
+
+.include <bsd.port.options.mk>
+
+NVIDIA_GL_RUN_DEPENDS=	${LINUXBASE}/usr/lib/libGL.so.1:${PORTSDIR}/x11/nvidia-driver
+NVIDIA_GL_RUN_DEPENDS_OFF=	linux-c6-dri>0:${PORTSDIR}/graphics/linux-c6-dri
+
 .include <bsd.port.mk>