--- configure.ac.orig	2011-08-29 16:31:04.069536000 +0200
+++ configure.ac	2011-08-29 16:31:31.424105000 +0200
@@ -8,7 +8,7 @@
 
 PKG_CHECK_MODULES(VDPAU, x11 [vdpau >= 0.2])
 VDPAUINFO_CXXFLAGS="$VDPAUINFO_CXXFLAGS $VDPAU_CFLAGS"
-VDPAUINFO_LIBS="$VDPAUINFO_LIBS $VDPAU_LIBS"
+VDPAUINFO_LIBS="$VDPAUINFO_LIBS $VDPAU_LIBS -lX11"
 
 AC_SUBST(VDPAUINFO_CXXFLAGS)
 AC_SUBST(VDPAUINFO_LIBS)