1*7c3d14c8STreehugger Robotdef getRoot(config): 2*7c3d14c8STreehugger Robot if not config.parent: 3*7c3d14c8STreehugger Robot return config 4*7c3d14c8STreehugger Robot return getRoot(config.parent) 5*7c3d14c8STreehugger Robot 6*7c3d14c8STreehugger Robotroot = getRoot(config) 7*7c3d14c8STreehugger Robot 8*7c3d14c8STreehugger Robotif not root.has_libcxx: 9*7c3d14c8STreehugger Robot config.unsupported = True 10*7c3d14c8STreehugger Robot 11