you need the additional option -with-mumps-serial=1 For example - check config/examples/arch-ci-linux-cuda-uni-pkgs.py
Satish On Fri, 11 Apr 2025, salvador wrote: > Dear PETSc team, > > I'm trying to compile PETSc with *MUMPS* in *serial mode* (without MPI), and > I’ve encountered an issue during the |./configure| step. > > Here is the command I'm using: > > ./configure \ > --with-cc=gcc \ > --with-cxx=g++ \ > --with-fc=gfortran \ > --with-mpi=0 \ > --with-scalar-type=complex \ > --with-petsc-arch=arch-linus-c-opt-complex \ > --with-blaslapack=1 \ > --with-mumps=1 \ > --with-scalapack=0 > > However, I get the following error: > > ********************************************************************************************* > UNABLE to CONFIGURE with GIVEN OPTIONS (see configure.log for > details): > --------------------------------------------------------------------------------------------- > Package mumps requested but dependency scalapack not requested. > Perhaps you want --download-scalapack or > --with-scalapack-dir=directory or > --with-scalapack-lib=libraries and --with-scalapack-include=directory > ********************************************************************************************* > > My understanding is that *MUMPS can be used in serial* (according to its > documentation), but PETSc seems to expect *ScaLAPACK* as a dependency even > without MPI. > > * > > Is it possible to use MUMPS in PETSc *without MPI and without > ScaLAPACK*? > > * > > If not, is there a way to enable serial MUMPS with PETSc? > > Any guidance would be appreciated. > > Best regards, > /Salvador > / > >
