1option('tests', type : 'feature', description : 'Build tests') 2option('nlmode', type : 'feature', description : 'no run-time control') 3option('phal', type : 'feature', value : 'disabled', 4 description : '''Enable PHAL APIs for retrieving data from the POWER 5 Systems device tree''') 6option('attn_config', type : 'string', value : '', 7 description : '''Attention handler default configuration override''') 8