dolfin team mailing list archive

["Garth N. Wells" <gnw20@xxxxxxxxx>]

Ilmar Wilbers wrote:
> > > The demos are linked to lapack because umfpack needs to be linked to 
> > > lapack. 
> > I thought that umfpack required blas.
> That is true, we are looking into this now.
> > I haven't had any success when installing atlas3-base-dev or setting 
> > ATLAS_DIR. I only see the problem when running the SLEPc demo. From 
> > 'ldd demo' I get
> Did you generate a new umfpack.pc?

Yes.

Garth

> ilmar
> >   liblapack.so.3 => /usr/lib/atlas/liblapack.so.3 (0xb6821000)
> >
> > Garth
> >
> > Maybe I didn't understand you question properly?
> > > ilmar
> > >
> > > Garth N. Wells wrote:
> > > > Can you remind me why DOLFIN is linked to lapack? I recall a thread 
> > > > on this a few weeks ago.
> > > >
> > > > Garth
> > > >
> > > > Ilmar Wilbers wrote:
> > > > > I discussed the same issue with Anders earlier. The sse2 version 
> > > > > does not install in /usr/lib/atlas as expected. Try setting 
> > > > > ATLAS_DIR, or, perhaps better, install atlas3-base-dev instead og 
> > > > > atlas3-sse2-dev
> > > > >
> > > > > ilmar
> > > > >
> > > > > Garth N. Wells wrote:
> > > > > > Has anyone tried running the demo that uses SLEPc 
> > > > > > (demo/la/eigensolver/cpp)? When I run it, I get
> > > > > >
> > > > > >    ./demo: symbol lookup error: 
> > > > > > /usr/lib/atlas/sse2/liblapack.so.3: undefined symbol: ATL_dGetNB
> > > > > >
> > > > > > Any ideas?
> > > > > >
> > > > > > Garth
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