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.

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

  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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