1g/namespace_packages/s//#&/ 2/^USE_SYSTEM_FFI /s/=.*/= True/ 3/^USE_SYSTEM_LIBXML /s/=.*/= True/ 4a 5 6SDKROOT = os.environ.get('SDKROOT') 7if SDKROOT is None or SDKROOT is '': 8 SDKROOT = '/' 9. 10/os\.path\.exists('\/usr\/include\/objc\/runtime\.h'):$/s/'\/usr\/include\/objc\/runtime\.h'/os.path.join(SDKROOT, 'usr\/include\/objc\/runtime\.h')/ 11/"-I\/usr\/include\/ffi"/s//'-I' + os.path.join(SDKROOT, "usr\/include\/ffi")/ 12w 13