option('systemduserunitdir', type: 'string', value: '', description: 'custom directory for systemd user units, or \'no\' to disable') option('tmpfilesdir', type: 'string', value: '', description: 'custom directory for tmpfiles.d config files, or \'no\' to disable') option('privileged_group', type: 'string', value: 'wheel', description: 'custom name for group that has elevated permissions') option('admin', type: 'boolean', value: true, description: 'build with admin backend') option('afc', type: 'boolean', value: true, description: 'build with afc backend and volume monitor') option('afp', type: 'boolean', value: true, description: 'build with afp backends') option('archive', type: 'boolean', value: true, description: 'build with archive backend') option('cdda', type: 'boolean', value: true, description: 'build with cdda backend') option('dnssd', type: 'boolean', value: true, description: 'build with dnssd backend') option('goa', type: 'boolean', value: true, description: 'build with goa volume monitor') option('google', type: 'boolean', value: true, description: 'build with google backend') option('gphoto2', type: 'boolean', value: true, description: 'build with gphoto2 backend and volume monitor') option('http', type: 'boolean', value: true, description: 'build with http/dav backends') option('mtp', type: 'boolean', value: true, description: 'build with mtp backend and volume monitor') option('nfs', type: 'boolean', value: true, description: 'build with nfs backend') option('sftp', type: 'boolean', value: true, description: 'build with sftp backend') option('smb', type: 'boolean', value: true, description: 'build with smb backends') option('udisks2', type: 'boolean', value: true, description: 'build with udisks2 volume monitor') option('bluray', type: 'boolean', value: true, description: 'build with bluray metadata support') option('fuse', type: 'boolean', value: true, description: 'build with fuse support') option('gcr', type: 'boolean', value: true, description: 'build with gcr certificate support') option('gcrypt', type: 'boolean', value: true, description: 'build with gcrypt support') option('gudev', type: 'boolean', value: true, description: 'build with gudev device support') option('keyring', type: 'boolean', value: true, description: 'build with keyring support') option('logind', type: 'boolean', value: true, description: 'build with logind support') option('libusb', type: 'boolean', value: true, description: 'build with libusb interruption support') option('devel_utils', type: 'boolean', value: false, description: 'build with development utility programs') option('installed_tests', type: 'boolean', value: false, description: 'enable installed unit tests') option('man', type: 'boolean', value: false, description: 'generate man pages')