Version 5.7.2 is available upstream. Please consider updating! It seems that version 5.7.2 is available upstream, while the latest version in the Gentoo tree is 5.3.5. You think this warning is false? Read more about it here.
MUltifrontal Massively Parallel sparse direct Solver implements a
direct solver for large sparse linear systems, with a particular
focus on symmetric positive definite matrices. It can operate on
distributed matrices e.g. over a cluster. It has Fortran and C
interfaces, and can interface with ordering tools such
as Scotch or Metis.