MUMPS: updated comment

0e2b4c98 · Kilian Lackhove · 8c569ab7 · 0e2b4c98
Commit 0e2b4c98 authored Dec 07, 2016 by Kilian Lackhove
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cmake/ThirdPartyPETSc.cmake cmake/ThirdPartyPETSc.cmake +2 -3

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--- a/cmake/ThirdPartyPETSc.cmake
+++ b/cmake/ThirdPartyPETSc.cmake
@@ -46,9 +46,8 @@ IF (NEKTAR_USE_PETSC)
            IF(NEKTAR_USE_MPI AND NOT MPI_Fortran_COMPILER)
                MESSAGE(ERROR "MPI_Fortran_COMPILER not set")
            ENDIF()
-            # we use a separate ptscotch here because the one compiled if
-            # NEKTAR_USE_SCOTCH=true is version 6.0.0 which is incompatible
-            # with MUMPS
+            # we use a MUMPS build in ordering here, in the future it might make
+            # sense to hook it up with metis/scotch since this MIGHT be faster
            SET(PETSC_MUMPS --download-scalapack --download-mumps)
        ELSE()
            MESSAGE(WARNING "No Fortran support. Building PETSc without MUMPS support")