--- vlc-2.2.4.ebuild	2016-12-07 04:08:30.750217487 +0000
+++ vlc-2.2.4-r1.ebuild	2016-12-07 04:07:41.020218093 +0000
@@ -281,6 +281,10 @@
 
 	default
 
+	if use libav ; then
+		epatch "${FILESDIR}"/vlc-2.2.4-fix-libav-compile.patch
+	fi
+
 	# Don't use --started-from-file when not using dbus.
 	if ! use dbus ; then
 		sed -i 's/ --started-from-file//' share/vlc.desktop.in || die