STINNER Victor <victor.stin...@haypocalc.com> added the comment:

have_mbcs.patch: use HAVE_MBCS define instead of different tests to check if 
the MBCS codec can be used or not. HAVE_MBCS is defined in unicodeobject.h by:

#if defined(MS_WINDOWS) && defined(HAVE_USABLE_WCHAR_T)
#  define HAVE_MBCS
#endif

> > We should just check that we are compiling under Windows:

> -1, see above. In the long run, it would be really good if Python
> supported a four-byte Py_UNICODE on Windows - people keep asking
> for it.

MBCS functions of the Python API are always available on Windows without my 
patch. I don't know if it's correct or not. Using my patch, they are not 
available if HAVE_USABLE_WCHAR_T is not defined.

Support 32 bits Py_UNICODE on Windows requires a lot of work because in *many* 
places (everywhere?) Py_UNICODE* is used as wchar_t*. But it is not the topic 
of this issue :-)

----------
Added file: http://bugs.python.org/file22424/have_mbcs.patch

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<http://bugs.python.org/issue9642>
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