[SciPy-user] No module named _umfpack

Darren Dale dd55 at cornell.edu
Tue Apr 18 07:43:54 CDT 2006

On Tuesday 18 April 2006 08:35, Robert Cimrman wrote:
> Darren Dale wrote:
> > On Tuesday 18 April 2006 04:03, Robert Cimrman wrote:
> >>UMFPACK is optional, and it is not included in the scipy SVN, so you
> >>have to install it yourself from Tim Davis' homepage if you want (the
> >>version 4.4). Then just add [amd] and [umfpack] sections to your
> >>site.cfg, as it is described in numpy/site.cfg.example
> >
> > For any gentoo users out there, a umfpack ebuild is available here:
> > http://gentooscience.org/browser/overlay/sci-libs/umfpack.
> >
> > I was able to build scipy with umfpack support on an 64bit Athlon machine
> > using this ebuild, which provides version 4.6 with support to build
> > shared libraries. No changes to site.cfg were necessary.
> >
> > scipy.test() and scipy.linsolve.umfpack.test() were both successful.
> great news! I will try it immediately :)

Oh, let me make clear, the ebuild provides support to build shared libraries, 
not the umfpack-4.6 package itself. More information here: 


More information about the SciPy-user mailing list