option('extension_fixture', type: 'boolean', value: false, description: 'Whether to enable the fixture extension.')
option('extension_memory', type: 'feature', value: 'auto', description: 'Whether to enable the memory extension. By default this is automatically enabled when extension_fixture is enabled.')
option('support_double', type: 'boolean', value: false, description: 'Whether to enable double precision floating point assertions.')