Hi Dr. Bangerth,

Thanks a lot for your guidance! I will install an external copy of UMFPACK 
and see what happens!

Best,
Jimmy

On Tuesday, August 4, 2020 at 5:23:09 PM UTC-5, Wolfgang Bangerth wrote:
>
> On 8/4/20 3:56 PM, Jimmy Ho wrote: 
> > 
> > So, what should I do to properly connect UMFPACK in deal.II to Trilinos? 
> Any 
> > suggestions are highly appreciated! 
>
> It's not going to work this way, I'm afraid. Trilinos wants a link to an 
> external installation of UMFPACK (or SparseSuite, of which it is part of 
> these 
> days). deal.II doesn't actually create such an installation and instead 
> just 
> links everything into the deal.II libraries. 
>
> So what you want to do is to download UMFPACK, install it on your system, 
> and 
> point Trilinos to the installation. 
>
> (UMFPACK is still going to be part of the deal.II libraries, but that 
> shouldn't create any problems.) 
>
> Best 
>   W. 
>
>
> -- 
> ------------------------------------------------------------------------ 
> Wolfgang Bangerth          email:                 bang...@colostate.edu 
> <javascript:> 
>                             www: http://www.math.colostate.edu/~bangerth/ 
>
>

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