[Numpy-discussion] Re: LAPACK question building numpy

Tom Denniston tom.denniston at alum.dartmouth.org
Thu Apr 20 08:07:04 CDT 2006

Thanks for your help.  I will try this.


On 4/19/06, Robert Kern <robert.kern at gmail.com> wrote:
> Tom Denniston wrote:
> > Is there a way to pass a command line argument to setup.py for numpy
> > that does the equivalent of a make using the flags:
> > -L/home/tdennist/lib -lmkl_lapack -lmkl_lapack32 -lmkl_ia32 -lmkl -lguide
> >
> > All i can find on the subject is a page on the scipy wiki that says to
> > use the variable LAPACK and set it to a .a file.  When I do so I get
> > undefined symbol problems.
> >
> > I this is probably really obvous and documented somewhere but I
> > haven't been able to find it.  I don't really know where to look.
> Don't worry, it's not really well documented. Create a file called site.cfg in
> the root source directory. There's an example site.cfg.example there.
> Unfortunately, it's pretty sparse at the moment. Now, I'm not terribly familiar
> with the MKL, so I don't know what libraries do what, but here is my guess at
> the appropriate things you will need in site.cfg:
> library_dirs=/home/tdennist/lib:/some/other/path/perhaps
> include_dirs=/home/tdennist/include
> [blas_opt]
> libraries=whatever_the_mkl_blas_lib_is,mkl_ia32,mkl,guide
> [lapack_opt]
> libraries=mkl_lapack,mkl_lapack32,mkl_ia32,mkl,guide
> There's some more documentation in numpy/distutils/system_info.py .
> --
> Robert Kern
> robert.kern at gmail.com
> "I have come to believe that the whole world is an enigma, a harmless enigma
>  that is made terrible by our own mad attempt to interpret it as though it had
>  an underlying truth."
>  -- Umberto Eco
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