It's a copy/paste typo in mpi.h.in. Please try with the attached patch:
Index: ompi/include/mpi.h.in
===================================================================
--- ompi/include/mpi.h.in (revision 26662)
+++ ompi/include/mpi.h.in (working copy)
@@ -2006,9 +2006,9 @@
MPI_Datatype datatype, MPI_Op op, MPI_Comm comm);
OMPI_DECLSPEC int PMPI_Ireduce_scatter(void *sendbuf, void *recvbuf, int *recvcounts,
MPI_Datatype datatype, MPI_Op op, MPI_Comm comm, MPI_Request *request);
-OMPI_DECLSPEC int PMPI_Reduce_scatter(void *sendbuf, void *recvbuf, int *recvcounts,
+OMPI_DECLSPEC int PMPI_Reduce_scatter_block(void *sendbuf, void *recvbuf, int recvcounts,
MPI_Datatype datatype, MPI_Op op, MPI_Comm comm);
-OMPI_DECLSPEC int PMPI_Ireduce_scatter(void *sendbuf, void *recvbuf, int *recvcounts,
+OMPI_DECLSPEC int PMPI_Ireduce_scatter_block(void *sendbuf, void *recvbuf, int recvcounts,
MPI_Datatype datatype, MPI_Op op, MPI_Comm comm, MPI_Request *request);
OMPI_DECLSPEC int PMPI_Register_datarep(char *datarep,
MPI_Datarep_conversion_function *read_conversion_fn,
george.
On Jun 26, 2012, at 15:39 , Ralph Castain wrote:
> Anyone recognize these?
>
> preduce_scatter_block.c:44: warning: no previous prototype for 'PMPI_Reduce_scatter_block'
> pireduce_scatter_block.c:45: warning: no previous prototype for 'PMPI_Ireduce_scatter_block'
>
>
> Not sure where they came from - seeing this on Linux.
> Ralph
>
>
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