[Numpy-discussion] scipy binary for macosx tiger on ppc
Fri Nov 30 15:20:54 CST 2007
On 11/30/07, Robert Kern <firstname.lastname@example.org> wrote:
> Barry Wark wrote:
> > Some remaining issues:
> > - which SDK to build against. Leopard ships with a Python build
> > against the 10.5 SDK. It would be much easier, at least initially, for
> > us to produce binaries against the Leopard Python 2.5.
> I would prefer that we use the Python binary from www.python.org. That should
> work on 10.3.9+.
> > - how to deal with library dependencies such as fftw2. We currently
> > use MacPorts but I suppose it needs to be compiled statically or do we
> > just require that users install MacPort's fftw2?
> "Official" binaries intended for distribution from scipy.org or scipy.sf.net
> should not be linked against FFTW or UMFPACK since they are GPLed.
> The real problem is the Fortran runtime. It is possible to link against the
> Fortran runtime libraries statically so as to avoid needing the user to also
> install a Fortran compiler just to run scipy. Use the gfortran compiler built
> for R's use (and do not use the one from hpc.sf.net):
> Basically, copy the libgfortran.a library to a separate location, say
> ~/staticlibs/. Then do the following:
> $ export LDFLAGS="-undefined dynamic_lookup -bundle -arch i386 -arch ppc
> $ python setup.py config_fc --fcompiler=gnu95 --arch="-arch i386 -arch ppc"
> build_ext -L ~/staticlibs/ build
Thanks. I'll give it a try.
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