option('tests', type: 'feature', description: 'Build tests') option('uboot-env', type: 'boolean', description: 'Update u-boot env for MAC changes') option('default-link-local-autoconf', type: 'boolean', description: 'Enable link local autoconfiguration by default') option('default-ipv6-accept-ra', type: 'boolean', description: 'Accept router advertisements by default') option('nic-ethtool', type: 'boolean', description: 'Enable ethtool information lookup') option('sync-mac', type: 'boolean', description: 'Sync mac address with phosphor-inventory-manager')