+AC_PATH_PROG(XMLLINT, xmllint, no)
+AM_CONDITIONAL(HAVE_XMLLINT, test "x$XMLLINT" != "xno")
+if test "$XMLLINT" = "no"; then
+ AC_MSG_WARN([xmllint not found; unable to validate against schema.])
+fi
+
+AM_PATH_PYTHON([2.5])
+
+xcbincludedir='${datadir}/xcb'