diff --git a/configure b/configure
index 6426882..65c2f0d 100755
--- a/configure
+++ b/configure
@@ -9915,7 +9915,7 @@ fi
 
 if test "$have_x" = "yes"
 then
-    XLIB="-lXext -lX11"
+    XLIB="-lXext -lX11 -lXdmcp -lXau"
     ac_save_CPPFLAGS="$CPPFLAGS"
     CPPFLAGS="$CPPFLAGS $X_CFLAGS"