PETSC and MPI configuration
When NEKTAR_USE_PETSC=ON and NEKTAR_USE_MPI=OFF, Petsc fails to configure. It might be worth setting up cmake so these two config options cannot exist together, if this is the intended design
When NEKTAR_USE_PETSC=ON and NEKTAR_USE_MPI=OFF, Petsc fails to configure. It might be worth setting up cmake so these two config options cannot exist together, if this is the intended design