--- xauth-1.0.3/configure.ac.orig	2007-06-06 22:33:44.000000000 +0200
+++ xauth-1.0.3/configure.ac	2007-06-06 22:33:57.000000000 +0200
@@ -40,7 +40,7 @@
 AC_CHECK_HEADERS([net/errno.h])
 
 # Checks for pkg-config packages
-PKG_CHECK_MODULES(XAUTH, x11 xau xext xmuu)
+PKG_CHECK_MODULES(XAUTH, x11 xau xext xmuu xcb)
 AC_SUBST(XAUTH_CFLAGS)
 AC_SUBST(XAUTH_LIBS)