Merge pull request #13273 from bangerth/null

dealii · Jan 20, 2022 · 5478749 · 5478749
2 parents aba33d3 + cfc5c8f
commit 5478749
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/include/deal.II/base/mpi.h b/include/deal.II/base/mpi.h
@@ -44,6 +44,9 @@ using MPI_Op       = int;
 #  ifndef MPI_COMM_SELF
 #    define MPI_COMM_SELF 0
 #  endif
+#  ifndef MPI_COMM_NULL
+#    define MPI_COMM_NULL 0
+#  endif
 #  ifndef MPI_REQUEST_NULL
 #    define MPI_REQUEST_NULL 0
 #  endif