-opts.Add(ListOption('drivers', 'pipe drivers to build', default_drivers,
- ['softpipe', 'failover', 'i915simple', 'i965simple', 'cell', 'trace', 'r300']))
-opts.Add(ListOption('winsys', 'winsys drivers to build', default_winsys,
+opts.Add(ListVariable('drivers', 'pipe drivers to build', default_drivers,
+ ['softpipe', 'failover', 'i915simple', 'i965simple', 'cell', 'trace', 'r300', 'identity']))
+opts.Add(ListVariable('winsys', 'winsys drivers to build', default_winsys,