--- Python-3.6.0.orig/setup.py 2016-12-23 03:21:22.000000000 +0100 +++ Python-3.6.0/setup.py 2017-05-10 17:22:50.000000000 +0200 @@ -532,7 +532,7 @@ class PyBuildExt(build_ext): for directory in reversed(options.dirs): add_dir_to_list(dir_list, directory) - if os.path.normpath(sys.base_prefix) != '/usr' \ + if not cross_compiling and os.path.normpath(sys.base_prefix) != '/usr' \ and not sysconfig.get_config_var('PYTHONFRAMEWORK'): # OSX note: Don't add LIBDIR and INCLUDEDIR to building a framework # (PYTHONFRAMEWORK is set) to avoid # linking problems when