On 4/15/07, David Cournapeau <[EMAIL PROTECTED]> wrote:
Christian K wrote:
>
> Thanks, but that didn't help:
>
> atlas_info:
> libraries lapack not found in /usr/lib/sse2
> libraries f77blas,cblas,atlas not found in /usr/lib/atlas
> libraries lapack_atlas not found in /usr/lib/atlas
> libraries lapack not found in /usr/lib/sse2
> libraries f77blas,cblas,atlas not found in /usr/lib
> libraries lapack_atlas not found in /usr/lib
> numpy.distutils.system_info.atlas_info
> /media/hda6/home/ck/prog/scipy/numpy/numpy/distutils/system_info.py:903:
> UserWarning:
> *********************************************************************
> Could not find lapack library within the ATLAS installation.
> *********************************************************************
>
> warnings.warn(message)
> FOUND:
> libraries = ['f77blas', 'cblas', 'atlas']
> library_dirs = ['/usr/lib/sse2']
> language = c
> define_macros = [('ATLAS_WITHOUT_LAPACK', None)]
>
> lapack_info:
> libraries lapack not found in /usr/lib/sse2
> libraries lapack not found in /usr/lib
> NOT AVAILABLE
>
>
> Christian
>
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> Numpy-discussion@scipy.org
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>
>
On Ubuntu and debian, you do NOT need any site.cfg to compile numpy with
atlas support. Just install the package atlas3-base-dev, and you are
done. The reason is that when *compiling* a software which needs atlas,
the linker will try to find libblas.so in /usr/lib, not in
/usr/lib/sse2. If you install atlas3-base-dev, the package will install
those at the correct locations. I have updated the instructions for
Ubuntu (also works for debian) on the wiki a few days ago:
http://www.scipy.org/Installing_SciPy/Linux#head-c5a062b2ecf76f746d78cfcde1dae00ae26109fe
Note that if you have also optimized version installed (sse, sse2), it
will use those automatically when you launch numpy (you can check by
doing ldd on the file numpy/core/_dotblas.so inside your numpy
installation.
Be aware that on recent 64 bit Intel processors running a 64 bit OS the base
Atlas package appears to be buggy. You might be better off building your own
version, on a fast machine it won't take long.
Chuck
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