[Python-modules-team] Bug#457329: python-numpy: potential misbuild of all Fortran built with numpy distutils

[Ondrej Certik]

Hi Paul,

> Depending on the machine on which they are run, numpy distutils are
> capable of appending -msse2 to the compiler flags of all Fortran code.
>
> [ see numpy/distutils/fcompiler/gnu.py ]
>
> This means that if [say] the canonical scipy package is built on a
> Pentium 4 or better, it may well use instructions that do not work on an
> earlier Pentium.  [Is this a policy violation?]
>
> I am not sure if this is a bug against python-numpy or against
> everything that build-deps on python-numpy.
>

Thanks for reporting it. It's imho related to the other bug with SSE2
segfaults. I don't
know any simple fix for it though.

Ondrej