Index: x11/libXvMC/Makefile
===================================================================
--- x11/libXvMC/Makefile	(revision 522215)
+++ x11/libXvMC/Makefile	(working copy)
@@ -18,4 +18,10 @@
 
 INSTALL_TARGET=	install-strip
 
+OPTIONS_DEFINE=	DOCS
+OPTIONS_SUB=	yes
+
+DOCS_CONFIGURE_ENABLE= docs
+
+.include <bsd.port.options.mk>
 .include <bsd.port.mk>
Index: x11/libXvMC/pkg-plist
===================================================================
--- x11/libXvMC/pkg-plist	(revision 522215)
+++ x11/libXvMC/pkg-plist	(working copy)
@@ -10,4 +10,4 @@
 lib/libXvMCW.so.1.0.0
 libdata/pkgconfig/xvmc.pc
 libdata/pkgconfig/xvmc-wrapper.pc
-%%DOCSDIR%%/XvMC_API.txt
+%%PORTDOCS%%%%DOCSDIR%%/XvMC_API.txt