option('driver_test', type: 'feature', value: 'enabled', description: 'test driver')
option('driver_vbox', type: 'feature', value: 'enabled', description: 'VirtualBox XPCOMC driver')
option('vbox_xpcomc_dir', type: 'string', value: '', description: 'Location of directory containing VirtualBox XPCOMC library')
-option('driver_vmware', type: 'feature', value: 'enabled', description: 'VMware driver')
+option('driver_vmware', type: 'feature', value: 'auto', description: 'VMware driver')
option('driver_vz', type: 'feature', value: 'auto', description: 'Virtuozzo driver')
option('secdriver_apparmor', type: 'feature', value: 'auto', description: 'use AppArmor security driver')