Bug#902296: pyfftw: hardwires long precision support fftwl (not all arches)

[Drew Parsons]

On Mon, 25 Jun 2018 00:17:44 +0800 Drew Parsons <dparsons at debian.org>
wrote:
> From https://packages.debian.org/unstable/libfftw3-dev, the affected
> arches for which fftwl is not available are
>   arm64
...
>   mips64el  
>   ppc64el 

Looks like libfftw3-dev dependencies might not be up to date.  
fftwl is actually available on these 64 bit arches,
see https://packages.debian.org/unstable/libfftw3-long3

I've filed Bug#902342 against libfftw3-dev to update that.

Drew