From e5bf00b7dff460958a845254a9eb39ccece34ff6 Mon Sep 17 00:00:00 2001
From: Goran Jelic-Cizmek <goran.jelic-cizmek@epfl.ch>
Date: Mon, 4 Nov 2024 11:03:41 +0100
Subject: [PATCH] Add fix for mpi4py 4

---
 pymusic/mpi_compat.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pymusic/mpi_compat.h b/pymusic/mpi_compat.h
index 6b9f4b4..153163d 100644
--- a/pymusic/mpi_compat.h
+++ b/pymusic/mpi_compat.h
@@ -4,3 +4,8 @@
 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