option('lua_version',
    type: 'combo',
    choices: ['auto', 'luajit', 'custom', 'vendor', '5.1', '5.2', '5.3', '5.4'],
    description: 'The Lua version to use'
)

option('deps_dir',
    type: 'string',
    value: 'deps',
    description: 'The name of vendored dependencies directory'
)