[Numpy-discussion] Building Windows binaries on OS X
Mon Feb 8 09:06:44 CST 2010
On Mon, Feb 8, 2010 at 9:54 AM, Ralf Gommers
> On Mon, Feb 8, 2010 at 10:25 PM, <email@example.com> wrote:
>> On Mon, Feb 8, 2010 at 7:14 AM, Ralf Gommers
>> <firstname.lastname@example.org> wrote:
>> > Hi David and all,
>> > I have a few questions on setting up the build environment on OS X for
>> > Windows binaries. I have Wine installed with Python 2.5 and 2.6,
>> > MakeNsis
>> > and MinGW. The first question is what is meant in the Paver script by
>> > "cpuid
>> > plugin". Wine seems to know what to do with a cpuid instruction, but I
>> > can
>> > not find a plugin. Searching for "cpuid plugin" turns up nothing except
>> > the
>> > NumPy pavement.py file. What is this?
>> > Second question is about Fortran. It's needed for SciPy at least, so I
>> > may
>> > as well get it right now. MinGW only comes with g77, and this page:
>> > http://www.scipy.org/Installing_SciPy/Windows says that this is the
>> > default
>> > compiler. So Fortran 77 on Windows and Fortran 95 on OS X as defaults,
>> > is
>> > that right? No need for g95/gfortran at all?
>> > Final question is about Atlas and friends. Is 3.8.3 the best version to
>> > install? Does it compile out of the box under Wine? Is this page
>> > http://www.scipy.org/Installing_SciPy/Windows still up-to-date with
>> > regard
>> > to the Lapack/Atlas info and does it apply for Wine? And do I have to
>> > compile it three times, with the only difference the '-arch' flag set to
>> > "SSE2", "SSE3" and "<what's NoSSE?>"?
>> Currently scipy binaries are build with MingW 3.4.5, as far as I know,
>> which includes g77. The latest release of MingW uses gfortran, gcc
> You mean gcc 3.4.5, and yes that's what I've got. MinGW itself is at version
> 5.1.6 now, and still include gcc and g77 3.4.5. Not sure where you see gcc
> 4.4.0 but I can easily have missed it on what surely has to be the worst
> download page on SourceForge: http://sourceforge.net/projects/mingw/files/
(I don't think the mingw version is important, it's more important
which gcc is bundled, so I'm sloppy.)
"view all files" and header "GCC Version 4"
mingw hompage is a bit scarce on information on release version, at
least I don't find it
>> I think, that, eventually, scipy should switch to gfortran also on
>> Windows. But it might need some compatibility testing.
>> And it would be very useful if someone could provide the Lapack/Atlas
>> binaries, similar to the ones that are on the scipy webpage for mingw
>> 3.4.5. (I don't have a setup where I can build Atlas binaries).
> Where are these binaries hidden? All I can find is
These are the Atlas binaries that I am using with MinGW gcc 3.4.5
>> I haven't switched yet, but, given some comments on the mailinglists,
>> it looks like several windows users are using gfortran without
>> reported problems.
> Makes sense to use the same Fortran compiler everywhere. gfortran works well
> for me on OS X. Thanks Josef.
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