+# ------------------------------------------------------------------------------
+PKG_CHECK_MODULES(DBUS, [dbus-1 >= 1.3.2], have_dbus=yes, have_dbus=no])
+AS_IF([test "$have_dbus" = "yes"], [ AC_DEFINE(HAVE_DBUS, [1], [Define if dbus-1 is available]) ])
+AM_CONDITIONAL(HAVE_DBUS, [test "$have_dbus" = "yes"])