[Python-Dev] Moving Python 3.5 on Windows to a new compiler

[Donald Stufft]

On Jun 6, 2014, at 9:05 PM, Terry Reedy <tjreedy at udel.edu> wrote:

> On 6/6/2014 6:47 PM, Nathaniel Smith wrote:
>> On Fri, Jun 6, 2014 at 11:43 PM, Sturla Molden <sturla.molden at gmail.com> wrote:
>>> Brett Cannon <bcannon at gmail.com> wrote:
>>> 
>>>> Nope. A new minor release of Python is a massive undertaking which is why
>>>> we have saved ourselves the hassle of doing a Python 2.8 or not giving a
>>>> clear signal as to when Python 2.x will end as a language.
>>> 
>>> Why not just define Python 2.8 as Python 2.7 except with a newer compiler?
>>> I cannot see why that would be massive undertaking, if changing compiler
>>> for 2.7 is neccesary anyway.
>> 
>> This would require recompiling all packages on OS X and Linux, even
>> though nothing had changed.
> 
> If you are suggesting that a Windows compiler change should be invisible to non-Windows users, I agree.
> 
> Let us assume that /pcbuild remains for those who have vc2008 and that /pcbuild14 is added (and everything else remains as is). Then the only other thing that would change is the Windows installer released on Python.org. Call than 2.7.9W or whatever on the download site and interactive startup message to signal that something is different.
> 
> -- 
> Terry Jan Reedy
> 
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How are packaging tools supposed to cope with this? AFAIK there is nothing in most of them to deal with a X.Y.Z release suddenly dealing with a different compiler.

-----------------
Donald Stufft
PGP: 0x6E3CBCE93372DCFA // 7C6B 7C5D 5E2B 6356 A926 F04F 6E3C BCE9 3372 DCFA

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