sessions: switch to using mpi_max_stringtag_len

per the MPI 4.0 standard

related to

#37

Signed-off-by: Howard Pritchard <howardp@lanl.gov>

config/opal_configure_options.m4

@@ -20,7 +20,7 @@ dnl Copyright (c) 2011-2013 NVIDIA Corporation.  All rights reserved.
 dnl Copyright (c) 2013-2017 Intel, Inc.  All rights reserved.
 dnl Copyright (c) 2015      Research Organization for Information Science
 dnl                         and Technology (RIST). All rights reserved.
-dnl Copyright (c) 2019      Triad National Security, LLC. All rights
+dnl Copyright (c) 2019-2021 Triad National Security, LLC. All rights
 dnl                         reserved.
 dnl
 dnl $COPYRIGHT$
@@ -521,7 +521,7 @@ OPAL_WITH_OPTION_MIN_MAX_VALUE(datarep_string,  128,  64,  256)
 
 OPAL_WITH_OPTION_MIN_MAX_VALUE(pset_name_len,  512,  512, 4096)
 
-OPAL_WITH_OPTION_MIN_MAX_VALUE(from_group_tag,     1024, 256, 2048)
+OPAL_WITH_OPTION_MIN_MAX_VALUE(stringtag_len,     1024, 256, 2048)
 
 AC_DEFINE_UNQUOTED([OPAL_ENABLE_CRDEBUG], [0],
     [Whether we want checkpoint/restart enabled debugging functionality or not])

ompi/include/mpif-config.h.in

@@ -63,7 +63,7 @@
       integer MPI_MAX_PORT_NAME
       integer MPI_MAX_DATAREP_STRING
       integer MPI_MAX_PSET_NAME_LEN
-      integer MPI_MAX_FROM_GROUP_TAG
+      integer MPI_MAX_STRINGTAG_LEN
       parameter (MPI_MAX_PROCESSOR_NAME=@OPAL_MAX_PROCESSOR_NAME@-1)
       parameter (MPI_MAX_ERROR_STRING=@OPAL_MAX_ERROR_STRING@-1)
       parameter (MPI_MAX_OBJECT_NAME=@OPAL_MAX_OBJECT_NAME@-1)
@@ -73,7 +73,7 @@
       parameter (MPI_MAX_PORT_NAME=@OPAL_MAX_PORT_NAME@-1)
       parameter (MPI_MAX_DATAREP_STRING=@OPAL_MAX_DATAREP_STRING@-1)
       parameter (MPI_MAX_PSET_NAME_LEN=@OPAL_MAX_PSET_NAME_LEN@-1)
-      parameter (MPI_MAX_FROM_GROUP_TAG=@OPAL_MAX_FROM_GROUP_TAG@-1)
+      parameter (MPI_MAX_STRINGTAG_LEN=@OPAL_MAX_STRINGTAG_LEN@-1)
 
 !
 ! MPI F08 conformance