[Numpy-discussion] Binary releases

[David Cournapeau]

On Mon, Sep 16, 2013 at 10:49 AM, Nathaniel Smith <njs at pobox.com> wrote:

> On Mon, Sep 16, 2013 at 7:10 AM, Ralf Gommers <ralf.gommers at gmail.com>
> wrote:
> > On Mon, Sep 16, 2013 at 2:45 AM, <josef.pktd at gmail.com> wrote:
> >>
> >> On Sun, Sep 15, 2013 at 9:04 PM, Charles R Harris
> >> <charlesr.harris at gmail.com> wrote:
> >> > Hi All,
> >> >
> >> > Numpy 1.8 is about ready for an rc1, which brings up the question of
> >> > which
> >> > binary builds so put up on sourceforge. For Windows maybe
> >> >
> >> > 32 bit windows, python 2.6, 2.7, 3.2, 3.3, compiled with MSVC
> >> > 64 bit windows, python 2.6, 2.7, 3.2, 3.3, compiled with MSVC, linked
> >> > with
> >> > MKL
> >>
> >> Are we not running into problems with scipy?
> >> scipy would need to use the same libraries, AFAIU (given Fortran and
> >> maybe C compatibilities)
> >
> > Indeed. If numpy goes MSVC + MKL, then scipy should go the same way. Some
> > other options to go to MinGW 4.x are being discussed on
> > https://github.com/scipy/scipy/issues/2829.
>
> Is it actually legal to distribute scipy linked with MKL? Scipy still
> includes GPL code (umfpack), and shipping MKL+GPL code integrated into
> a single download is extremely dicey... (this goes also for any
> downstream users who might package precompiled numpy/scipy with other
> packages).
>

Wait, we don't includes UMFPACK. We can optionally link against it, but
that's not done for any of our binary (unless this was changed recently ?)


>
> (In either case I think we ought to just bite the bullet and get MinGW
> 4.x running as a supported option, even if we don't use it for the
> official binaries and even if this requires some unaesthetic hacks. I
> bet we'd have more windows developers if there was an accessible way
> to build on windows...)
>

Mingw 4 already works for compilation, no ? If not, that's definitely
something to fix. The discussion around binary distribution should not
preclude supporting it for people who want it.

David

>
> -n
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