From c0ef83664291820bd1db4ac88ee0ad5f7f930e81 Mon Sep 17 00:00:00 2001
From: Antonio Valentino <antonio.valentino@tiscali.it>
Date: Sat, 28 Sep 2024 14:56:20 +0200
Subject: [PATCH] Compatibility with MPI4

---
 pyzoltan/czoltan/mpi-compat.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pyzoltan/czoltan/mpi-compat.h b/pyzoltan/czoltan/mpi-compat.h
index f6d1921..26b614d 100644
--- a/pyzoltan/czoltan/mpi-compat.h
+++ b/pyzoltan/czoltan/mpi-compat.h
@@ -13,4 +13,9 @@ 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*/