option('pam', description: 'Build the fprintd PAM module', type: 'boolean', value: true) option('man', description: 'Generate the man files', type: 'boolean', value: true) option('systemd', description: 'Install system service files', type: 'boolean', value: true) option('systemd_system_unit_dir', description: 'Directory for systemd service files', type: 'string') option('dbus_service_dir', description: 'Directory for dbus service files', type: 'string') option('pam_modules_dir', description: 'Directory for PAM modules', type: 'string') option('gtk_doc', type: 'boolean', value: false, description: 'Use gtk-doc to build documentation')