problem building python 3.5 extensions for windows

Terry Reedy tjreedy at udel.edu
Tue Sep 22 22:48:33 CEST 2015


On 9/22/2015 9:35 AM, Robin Becker wrote:
> On 22/09/2015 11:14, Robin Becker wrote:
>> On 22/09/2015 01:36, cjgohlke at gmail.com wrote:
> .........t
>>> <http://bugs.python.org/issue24872#msg249589>.
>>>
>> Thanks for the pointer Christoph.
>>
>> I certainly didn't let it run for 30 minutes. When I build with 2.7,
>> 3.3 or 3.4
>> the whole build including reportlab stuff is over in a couple of
>> minutes. I will
>> try again, but a linker that takes 30 minutes to create an extension
>> that ends
>> up 204Kb long has to be seriously broken. Is it trying to hard? Most
>> of the code
>> size is in arrays for code points etc etc.
>
> I timed my builds of pyRXPU for x86 + amd64; these are on a core i5-3470
> @ 3.20Ghz with 4Gb memory.
>
> python 3.4   1 minute  14 seconds
> python 3.5  52 minutes 50 seconds
>
> so with VS2015 it will now take me an hour to make and test any changes
> to this extension. I don't see how the issue can be considered closed.
> VS2015 is clearly not the way forward for any reasonable development
> process.

I think you should add the above to the issue.

-- 
Terry Jan Reedy



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