(painfully) constify colls.

[simgrid.git] / src / smpi / colls / allgather / allgather-GB.cpp

diff --git a/src/smpi/colls/allgather/allgather-GB.cpp b/src/smpi/colls/allgather/allgather-GB.cpp
index e001a5c..26ded0b 100644 (file)
--- a/src/smpi/colls/allgather/allgather-GB.cpp
+++ b/src/smpi/colls/allgather/allgather-GB.cpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2013-2018. The SimGrid Team.
+/* Copyright (c) 2013-2019. The SimGrid Team.
  * All rights reserved.                                                     */
 
 /* This program is free software; you can redistribute it and/or modify it
@@ -9,7 +9,7 @@
 namespace simgrid{
 namespace smpi{
 // Allgather - gather/bcast algorithm
-int Coll_allgather_GB::allgather(void *send_buff, int send_count,
+int Coll_allgather_GB::allgather(const void *send_buff, int send_count,
                                  MPI_Datatype send_type, void *recv_buff,
                                  int recv_count, MPI_Datatype recv_type,
                                  MPI_Comm comm)