(painfully) constify colls.

[simgrid.git] / src / smpi / colls / allreduce / allreduce-rdb.cpp

diff --git a/src/smpi/colls/allreduce/allreduce-rdb.cpp b/src/smpi/colls/allreduce/allreduce-rdb.cpp
index 1916341..4afddb4 100644 (file)
--- a/src/smpi/colls/allreduce/allreduce-rdb.cpp
+++ b/src/smpi/colls/allreduce/allreduce-rdb.cpp
@@ -8,7 +8,7 @@
 //#include <star-reduction.c>
 namespace simgrid{
 namespace smpi{
-int Coll_allreduce_rdb::allreduce(void *sbuff, void *rbuff, int count,
+int Coll_allreduce_rdb::allreduce(const void *sbuff, void *rbuff, int count,
                                   MPI_Datatype dtype, MPI_Op op, MPI_Comm comm)
 {
   int nprocs, rank, tag = COLL_TAG_ALLREDUCE;