Merge pull request #2375 from francesco-ballarin/mpicompat

Define MPI_Session in cython files for compatibility with current mpi4py main branch
firedrakeproject · Mar 10, 2022 · b5f8219 · b5f8219
2 parents e5c4aa6 + c2e6abc
commit b5f8219
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/firedrake/cython/mpi-compat.h b/firedrake/cython/mpi-compat.h
@@ -11,4 +11,9 @@ typedef void *PyMPI_MPI_Message;
 #define MPI_Message PyMPI_MPI_Message
 #endif
 
+#if (MPI_VERSION < 4) && !defined(PyMPI_HAVE_MPI_Session)
+typedef void *PyMPI_MPI_Session;
+#define MPI_Session PyMPI_MPI_Session
+#endif
+
 #endif/*MPI_COMPAT_H*/