More heterogeneous fixes. Don't set reachability bit on a remote proc

if the remote architecture differs from the local architecture and the
btl doesn't support heterogeneous transport.

Refs trac:587

This commit was SVN r12879.

The following Trac tickets were found above:
  Ticket 587 --> https://svn.open-mpi.org/trac/ompi/ticket/587

ompi/mca/btl/mvapi/btl_mvapi.c

@@ -87,6 +87,11 @@ int mca_btl_mvapi_add_procs(
         mca_btl_mvapi_proc_t* ib_proc;
         mca_btl_base_endpoint_t* ib_peer;
 
+        /* mvapi doesn't support heterogeneous yet... */
+        if (ompi_proc_local()->proc_arch != ompi_proc->proc_arch) {
+            continue;
+        }
+
         if(NULL == (ib_proc = mca_btl_mvapi_proc_create(ompi_proc))) {
             continue;
         }

ompi/mca/btl/portals/btl_portals.c

@@ -108,6 +108,11 @@ mca_btl_portals_add_procs(struct mca_btl_base_module_t* btl_base,
     for (i= 0; i < nprocs ; ++i) {
         curr_proc = procs[i];
 
+        /* portals doesn't support heterogeneous yet... */
+        if (ompi_proc_local()->proc_arch != curr_proc->proc_arch) {
+            continue;
+        }
+
         peers[i] = malloc(sizeof(mca_btl_base_endpoint_t));
         if (NULL == peers[i]) return OMPI_ERROR;
         *((mca_btl_base_endpoint_t*) peers[i]) = portals_procs[i];

ompi/mca/btl/template/btl_template.c

@@ -81,6 +81,14 @@ int mca_btl_template_add_procs(
         mca_btl_template_proc_t* template_proc;
         mca_btl_base_endpoint_t* template_endpoint;
 
+#if 0
+        /* If the BTL doesn't support heterogeneous operations, be
+           sure to say we can't reach that proc */
+        if (ompi_proc_local()->proc_arch != ompi_proc->proc_arch) {
+            continue;
+        }
+#endif
+
         if(NULL == (template_proc = mca_btl_template_proc_create(ompi_proc))) {
             return OMPI_ERR_OUT_OF_RESOURCE;
         }