eigen : added support for SuiteSparse
eigen : added support for SuiteSparse

LLNL/spack,lgarren/spack,skosukhin/spack,LLNL/spack,mfherbst/spack,krafczyk/spack,krafczyk/spack,tmerrick1/spack,tmerrick1/spack,TheTimmy/spack,skosukhin/spack,skosukhin/spack,lgarren/spack,lgarren/spack,EmreAtes/spack,matthiasdiener/spack,iulian787/spack,mfherbst/spack,krafczyk/spack,TheTimmy/spack,matthiasdiener/spack,TheTimmy/spack,skosukhin/spack,LLNL/spack,tmerrick1/spack,tmerrick1/spack,mfherbst/spack,mfherbst/spack,iulian787/spack,TheTimmy/spack,EmreAtes/spack,EmreAtes/spack,matthiasdiener/spack,krafczyk/spack,TheTimmy/spack,krafczyk/spack,LLNL/spack,EmreAtes/spack,skosukhin/spack,tmerrick1/spack,iulian787/spack,mfherbst/spack,iulian787/spack,lgarren/spack,iulian787/spack,matthiasdiener/spack,lgarren/spack,matthiasdiener/spack,EmreAtes/spack,LLNL/spack