option('system-wide', type : 'boolean', value : true, description : 'Install system-wide rather than isolated inside a Python environment' ) option('code-only', type : 'boolean', value : false, description : 'Do not install additional files such as configuration or documentation' ) option('eprefix', type : 'string', description : 'Prefix directory for gentoolkit to operate under' ) option('docdir', type : 'string', description : 'Documentation directory' ) option('tests', type : 'boolean', value: false, description : 'Enable tests' )