option('examples', type: 'string', value: '',
description: 'Comma-separated list of examples to build by default')
option('include_subdir_arch', type: 'string', value: '',
option('examples', type: 'string', value: '',
description: 'Comma-separated list of examples to build by default')
option('include_subdir_arch', type: 'string', value: '',