Looks like on a 32-bit platform a (uintptr_t) cast is desired in the OMPI_CAST_RTE_NAME() macro.
Warnings from current trunk tarball attributable to the missing case include: /home/pcp1/phargrov/OMPI/openmpi-trunk-linux-x86-gcc/openmpi-1.9a1r32406/ompi/runtime/ompi_mpi_abort.c:89: warning: cast to pointer from integer of different size /home/pcp1/phargrov/OMPI/openmpi-trunk-linux-x86-gcc/openmpi-1.9a1r32406/ompi/runtime/ompi_mpi_abort.c:97: warning: cast to pointer from integer of different size /home/pcp1/phargrov/OMPI/openmpi-trunk-linux-x86-gcc/openmpi-1.9a1r32406/ompi/mca/pml/bfo/pml_bfo_failover.c:1417: warning: cast to pointer from integer of different size -Paul -- Paul H. Hargrove phhargr...@lbl.gov Future Technologies Group Computer and Data Sciences Department Tel: +1-510-495-2352 Lawrence Berkeley National Laboratory Fax: +1-510-486-6900