Hi,

It seems distutils.util.get_platform() semantically differs on Windows and 
Linux.

Windows: the return value is derived from the architecture of the 
*interpreter*, hence for 32-bit Python running on 64-bit Windows get_platform() 
= 'win32' (32-bit).

Linux: the return value is derived from the architecture of the *OS*, hence for 
32-bit Python running on 64-bit Linux get_platform() = 'linux-x86_64' (64-bit).

Is this intentional?

My context (where this hit me): I was trying to install the 32-bit version of 
the Perforce API (compiled module) on 64-bit Windows and on 64-bit Linux. My 
command-line was

  python3.3-32 setup.py install --root FOO --install-platlib=lib.$PLAT

(note the '-32' and the '$PLAT')

On Windows, this installed the 32-bit version of the API into "FOO\lib.win32". 
On Linux, this installed the 64-bit version of the API into 
"FOO/lib.linux-x86_64". I'm not sure which is more correct behavior but the 
asymmetry seems suspicious.

Sam
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