How to install Python package from source on Windows

[Chris Angelico]

On Tue, May 16, 2017 at 5:14 PM, Christian Gollwitzer <auriocus at gmx.de> wrote:
> Am 15.05.17 um 23:58 schrieb Chris Angelico:
>>
>> On Tue, May 16, 2017 at 7:01 AM, Deborah Swanson
>> <python at deborahswanson.net> wrote:
>>>
>>> But I'm a little more mystified that official Python builds are leaning
>>> on Visual C++ (and that's what the crutch comment was primarily aimed
>>> at).
>>
>> You seem to be of the opinion that some day, binary executables will
>> be compiled using pure Python code. Maybe that's true; maybe it's not.
>
>
> More likely would be the option to ship a C compiler with Python written in
> C. For C++ this is way too big, but a pure C compiler can be as small as
> 1MB. tcc has a liberal license, supports many platforms and gives reasonable
> (unoptimized) code. AFAIK Mathworks does that, they ship tcc on Windows so
> that you can build .mex files without installing additional software, though
> they recommend to get a decent compiler for performance reasons
>

To do that, Python would itself have to be compiled with tcc, or else
all memory de/allocation would have to be funneled through a
Python-provided API. And that's going to kill performance, I suspect.

ChrisA