# build driver options
option('driver_bhyve', type: 'feature', value: 'auto', description: 'bhyve driver')
-option('driver_esx', type: 'feature', value: 'enabled', description: 'esx driver')
+option('driver_esx', type: 'feature', value: 'auto', description: 'esx driver')
option('driver_hyperv', type: 'feature', value: 'auto', description: 'Hyper-V driver')
option('driver_interface', type: 'feature', value: 'auto', description: 'host interface driver')
option('driver_libvirtd', type: 'feature', value: 'auto', description: 'libvirtd driver')