[SciPy-Dev] macOS minimum version and scipy.fft

[Ralf Gommers]

On Thu, Jul 11, 2019 at 9:11 AM Peter Bell <PeterBell10 at live.co.uk> wrote:

> Hello All,
>
>
>
> Does anyone know what the minimum macOS version is that SciPy currently
> targets? And are there any objections to raising this to 10.9?
>

I got lucky, a 10.8 user just found the issue I couldn't remember by
commenting that numpy 1.16 didn't work anymore on <10.9. This happened when
NumPy (and SciPy) dropped Accelerate support:
https://github.com/numpy/numpy/issues/12939#issuecomment-461006715

Cheers,
Ralf

The context for this is that in gh-10383
> <https://github.com/scipy/scipy/pull/10383> I am using uarray
> <https://uarray.readthedocs.io/en/latest/index.html> to add backend
> support to scipy.fft. uarray was recently rewritten in C++ and uses the
> thread_local keyword to support context-local backends. It’s this single
> language feature that limits the version as older AppleClang versions
> didn’t implement it. It can be worked around if support is an issue though.
>
> - Peter
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