option('system-wide', type: 'boolean', value: true,
    description: 'Install system-wide rather than isolated inside a Python environment'
)

option('eprefix', type: 'string',
    description: 'Prefix directory to operate under'
)

option('python-only', type: 'boolean', value: false,
       description: 'Only install the Python parts',
)

option('arch', type: 'string', value: 'unknown',
       description: 'The official Gentoo-specific acronym for the architecture',
)