[Numpy-discussion] Installation info

Hanni Ali hanni.ali@gmail....
Mon Jun 2 07:26:19 CDT 2008


Excellenm, thanks for clearing all that up.

How about numpy with 2.6, any issues?

Hanni

2008/6/2 David Cournapeau <david@ar.media.kyoto-u.ac.jp>:

> Hanni Ali wrote:
> >
> > Yes I had used the internal versions in the mean time, but I do want
> > to try to use the intel fortran compiler in all likelyhood.
>
> Yes, people can try to build as they want, that's the beauty of open
> source :) But for official distribution, I don't want to depend on non
> free software (outside windows, obviously). I need a process to build
> numpy in a reproducible and in a hassle way (well, as much as possible,
> at least).
>
> >
> > Python 2.6 is compiled with vs 2008 is is important that numpy is also
> > compiled with the same compiler or not. The fact that a fortran
> > compiler is necessary makes me think no?
>
> This has nothing to do with fortran per se, but with the fact that MS
> keeps breaking the standard C runtime. Hopefully, with python 3, this
> may not be an issue anymore (python on windows won't use the standard C
> API, but windows API instead, because MS guarantees ABI in this case, at
> least that's what I understood).
>
> The fortran compiler has to be the same to build everything, but python
> does not use any fortran, so you can choose whatever you want as long as
> you use it for everything (BLAS, LAPACK and numpy).
>
> >
> > It looks like I'm going to look at 2.6 now due to dependencies on
> > pywin32 as well.
> >
> > Also is it important that BLAS/LAPACK are compiled with the same
> > compiler as python or not?
>
> BLAS/LAPACK is built with fortran, and python with C compiler, so no :)
> What may be important is the C++ compiler to build (more exactly to
> link) python if you build python by yourself, but I don't know how this
> works on windows. I just build softwares for windows, I don't use it.
>
> cheers,
>
> David
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