--- /var/portage/x11-libs/libvdpau/libvdpau-0.3-r1.ebuild	2010-01-04 09:19:55.000000000 +0100
+++ libvdpau-0.3-r1.ebuild	2010-01-04 12:45:24.419172335 +0100
@@ -33,7 +33,9 @@
 			dev-tex/pdftex )"
 
 src_configure() {
-	econf --with-module-dir="/usr/$(get_libdir)"
+	econf	--with-module-dir="/usr/$(get_libdir)" \
+		$(use_enable doc documentation) \
+		--docdir="/usr/share/doc/${PF}"
 }
 
 src_install() {