(painfully) constify colls.

[simgrid.git] / src / smpi / colls / alltoall / alltoall-ring.cpp

diff --git a/src/smpi/colls/alltoall/alltoall-ring.cpp b/src/smpi/colls/alltoall/alltoall-ring.cpp
index 620e2ac..8144198 100644 (file)
--- a/src/smpi/colls/alltoall/alltoall-ring.cpp
+++ b/src/smpi/colls/alltoall/alltoall-ring.cpp
@@ -28,7 +28,7 @@
 namespace simgrid{
 namespace smpi{
 int
-Coll_alltoall_ring::alltoall(void *send_buff, int send_count,
+Coll_alltoall_ring::alltoall(const void *send_buff, int send_count,
                               MPI_Datatype send_type, void *recv_buff,
                               int recv_count, MPI_Datatype recv_type,
                               MPI_Comm comm)