From 4f994c9a8d72e683e77173cb49c3949447c645cb Mon Sep 17 00:00:00 2001
From: Augustin Degomme <adegomme@users.noreply.github.com>
Date: Sun, 14 Apr 2019 18:15:26 +0200
Subject: [PATCH] Pretend we support MPI 3.1. We don't support all of it,
 obviously, but what we have may be enough for some codes.

---
 include/smpi/mpif.h.in                  | 4 ++--
 include/smpi/smpi.h                     | 7 ++++---
 teshsuite/smpi/mpich3-test/runtests     | 4 ++--
 teshsuite/smpi/mpich3-test/util/mtest.c | 2 +-
 4 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/include/smpi/mpif.h.in b/include/smpi/mpif.h.in
index 68d47776c5..a482089386 100644
--- a/include/smpi/mpif.h.in
+++ b/include/smpi/mpif.h.in
@@ -35,8 +35,8 @@
       parameter(MPI_SOURCE=1)
       parameter(MPI_TAG=2)
       parameter(MPI_ERROR=3)
-      parameter(MPI_VERSION=2)
-      parameter(MPI_SUBVERSION=2)
+      parameter(MPI_VERSION=3)
+      parameter(MPI_SUBVERSION=1)
       parameter(MPI_LOCK_EXCLUSIVE=1)
       parameter(MPI_LOCK_SHARED=2)
       integer MPI_MODE_NOSTORE, MPI_MODE_NOPUT, MPI_MODE_NOPRECEDE
diff --git a/include/smpi/smpi.h b/include/smpi/smpi.h
index 605a37ac48..1f19913b04 100644
--- a/include/smpi/smpi.h
+++ b/include/smpi/smpi.h
@@ -180,8 +180,8 @@ enum ERROR_ENUM {
 #define MPI_COMM_TYPE_SHARED    1
 #define MPI_WIN_NULL ((MPI_Win)NULL)
 
-#define MPI_VERSION 2
-#define MPI_SUBVERSION 2
+#define MPI_VERSION 3
+#define MPI_SUBVERSION 1
 #define MPI_UNWEIGHTED      (int *)0
 #define MPI_ARGV_NULL (char **)0
 #define MPI_ARGVS_NULL (char ***)0
@@ -777,7 +777,7 @@ typedef void MPI_Win_errhandler_function(MPI_Win *, int *, ...);
 typedef MPI_Comm_errhandler_function MPI_Comm_errhandler_fn;
 typedef MPI_File_errhandler_function MPI_File_errhandler_fn;
 typedef MPI_Win_errhandler_function MPI_Win_errhandler_fn;
-#define MPI_INFO_ENV 1
+#define MPI_INFO_ENV smpi_process_info_env()
 XBT_PUBLIC_DATA const MPI_Datatype MPI_PACKED;
 XBT_PUBLIC_DATA MPI_Errhandler* MPI_ERRORS_RETURN;
 XBT_PUBLIC_DATA MPI_Errhandler* MPI_ERRORS_ARE_FATAL;
@@ -965,6 +965,7 @@ MPI_CALL(XBT_PUBLIC int, MPI_File_sync, (MPI_File fh));
 // smpi functions
 XBT_PUBLIC int smpi_global_size();
 XBT_PUBLIC MPI_Comm smpi_process_comm_self();
+XBT_PUBLIC MPI_Info smpi_process_info_env();
 XBT_PUBLIC void* smpi_process_get_user_data();
 XBT_PUBLIC void smpi_process_set_user_data(void*);
 
diff --git a/teshsuite/smpi/mpich3-test/runtests b/teshsuite/smpi/mpich3-test/runtests
index e0a37126d9..d2fb8c8340 100755
--- a/teshsuite/smpi/mpich3-test/runtests
+++ b/teshsuite/smpi/mpich3-test/runtests
@@ -40,8 +40,8 @@
 use File::Path;
 
 # Global variables
-$MPIMajorVersion = "2";
-$MPIMinorVersion = "2";
+$MPIMajorVersion = "3";
+$MPIMinorVersion = "1";
 $mpiexec = "smpirun";    # Name of mpiexec program (including path, if necessary)
 $testIsStrict = "true";
 $MPIhasMPIX   = "no";
diff --git a/teshsuite/smpi/mpich3-test/util/mtest.c b/teshsuite/smpi/mpich3-test/util/mtest.c
index 23af52b661..4f20aab385 100644
--- a/teshsuite/smpi/mpich3-test/util/mtest.c
+++ b/teshsuite/smpi/mpich3-test/util/mtest.c
@@ -340,7 +340,7 @@ int MTestGetIntracommGeneral(MPI_Comm * comm, int min_size, int allowSmaller)
             break;
         case 5:
             {
-#if MTEST_HAVE_MIN_MPI_VERSION(3,0)
+#if MTEST_HAVE_MIN_MPI_VERSION(4,0)
                 /* Dup of the world using MPI_Intercomm_merge */
                 int rleader, isLeft;
                 MPI_Comm local_comm, inter_comm;
-- 
2.20.1