[SciPy-user] Warning about UMFPACK while build scipy-0.6.0 on Mac OSX PPC

[David Cournapeau]

Warren Weckesser wrote:
>
> /Users/wweckesser/test_install/lib/python2.5/site-packages/numpy/distutils/system_info.py:414: 
> UserWarning:
>     UMFPACK sparse solver 
> (http://www.cise.ufl.edu/research/sparse/umfpack/)
>     not found. Directories to search for the libraries can be 
> specified in the
>     numpy/distutils/site.cfg file (section [umfpack]) or by setting
>     the UMFPACK environment variable.
>   warnings.warn(self.notfounderror.__doc__)
>
>
> I thought I had numpy installed correctly :(
> numpy.test() reported no errors.
>
> Am I supposed to install UMFPACK before numpy?  

No, you don't need umfpack, it is optional.

cheers,

David