I wish I could test this patch but on OSX I get

$ ./configure --without-threads
$ make
Traceback (most recent call last):
  File "/Users/sasha/Work/python-svn/py3k/Lib/site.py", line 519, in <module>
    main()
  File "/Users/sasha/Work/python-svn/py3k/Lib/site.py", line 507, in main
    known_paths = addusersitepackages(known_paths)
  File "/Users/sasha/Work/python-svn/py3k/Lib/site.py", line 253, in addusersitepackages
    user_site = getusersitepackages()
  File "/Users/sasha/Work/python-svn/py3k/Lib/site.py", line 228, in getusersitepackages
    user_base = getuserbase() # this will also set USER_BASE
  File "/Users/sasha/Work/python-svn/py3k/Lib/site.py", line 218, in getuserbase
    USER_BASE = get_config_var('userbase')
  File "/Users/sasha/Work/python-svn/py3k/Lib/sysconfig.py", line 580, in get_config_var
    return get_config_vars().get(name)
  File "/Users/sasha/Work/python-svn/py3k/Lib/sysconfig.py", line 458, in get_config_vars
    import re
  File "/Users/sasha/Work/python-svn/py3k/Lib/re.py", line 121, in <module>
    import functools
  File "/Users/sasha/Work/python-svn/py3k/Lib/functools.py", line 15, in <module>
    from collections import OrderedDict
  File "/Users/sasha/Work/python-svn/py3k/Lib/collections.py", line 16, in <module>
    from reprlib import recursive_repr as _recursive_repr
  File "/Users/sasha/Work/python-svn/py3k/Lib/reprlib.py", line 8, in <module>
    from _thread import get_ident
ImportError: No module named _thread