1 files changed, 2 insertions, 0 deletions
diff --git a/src/slab.c b/src/slab.c
index f02848b..f06b0c8 100644
--- a/src/slab.c
+++ b/src/slab.c
@@ -305,6 +305,8 @@ MPI_Allreduce (void * sendbuf, void * recvbuf, int count,
 
 typedef int MPI_Request;        /* dummy */
 typedef int MPI_Status;         /* dummy */
+#define MPI_REQUEST_NULL 0      /* dummy */
+#define MPI_STATUSES_IGNORE 0   /* dummy */
 
 static int
 MPI_Irecv (void *buf, int count, MPI_Datatype datatype,