Re: rust and python

On 01/02/2026 22:59, Jon Turney via Cygwin-apps wrote:
> On 06/01/2026 11:21, Christoph Reiter via Cygwin-apps wrote:
>> Not sure if this is the cause here, but maturing defaults to
>> "cygwin_86_64" because of me since
>> https://github.com/PyO3/maturin/pull/2819
>> I suggested on this list some months ago to change sysconfig to match
>> it like: https://gist.github.com/lazka/c8146c08c0ebe5beb43b6ffb6c2ae51b
>> so pip stays happy across cygwin DLL updates
> 
> Thanks for the link.
> 
> I added an extra bit of reporting in the latest version of cygport so it 
> reports the wheel filename it's choking on:
> 
>> Installing python-cryptography-46.0.3-1.x86_64
>> *** Info: installing 3.9
>> *** ERROR: unknown wheel filename: cryptography-46.0.3-cp312-abi3- 
>> cygwin_86_64.whl
> 
> I'm kind of confused where the 'x' in 'x86_64' has gone here?
> 
> That seems kind of wrong to me -'86_64' isn't the name of anything.
> 
> But I thought anyhow, I should just change cygport to accept that, but 
> currently, if we try to feed that wheel name into 'pip install', it 
> fails with:
> 
>> ERROR: cryptography-46.0.3-cp39-abi3-cygwin_86_64.whl is not a 
>> supported wheel on this platform.
> 
> ... so I'm not sure what's supposed to be happening here.
> 

It is python rejecting it.

Christopher suggested a change in Python to align on maturin behaviour,
but I agree that  x86_64 is better than 86_64

Regards
Marco