option('run-in-place', type : 'boolean', value : false, description : 'Load ui data from the source tree' ) option('caja-actions', type : 'boolean', value : true, description : 'Build the nautilus context menu actions' ) option('packagekit', type : 'boolean', value : true, description : 'Build PackageKit installer for missing utilities' ) option('magic', type : 'boolean', value : true, description : 'Use libmagic to detect file type' ) option('cpio', type : 'string', value : 'auto', description : 'Path to the cpio program' )