Expose MPI_VERSION and MPI_SUBVERSION to docs.

Signed-off-by: Austen Lauria <awlauria@us.ibm.com>

Author: awlauria

docs/conf.py

@@ -52,6 +52,8 @@
 autoconf_min_version = f"{ompi_data['autoconf_min_version']}"
 libtool_min_version = f"{ompi_data['libtool_min_version']}"
 flex_min_version = f"{ompi_data['flex_min_version']}"
+mpi_standard_version = f"{ompi_data['mpi_standard_version']}"
+mpi_standard_subversion = f"{ompi_data['mpi_standard_subversion']}"
 
 # "release" is a sphinx config variable: assign it to the computed
 # Open MPI version number.  The ompi_ver string begins with a "v"; the
@@ -196,4 +198,7 @@ def _doit(topdir):
 .. |autoconf_min_version| replace:: {autoconf_min_version}
 .. |libtool_min_version| replace:: {libtool_min_version}
 .. |flex_min_version| replace:: {flex_min_version}
+.. |mpi_standard_version| replace:: {mpi_standard_version}
+.. |mpi_standard_subversion| replace:: {mpi_standard_subversion}
+
 """

docs/man-openmpi/man3/MPI_Get_version.3.rst

@@ -54,8 +54,8 @@ Output Parameters
 Description
 -----------
 
-Since Open MPI is MPI 3.1 compliant, this function will return a
-``version`` value of 3 and a subversion value of 1 for this release.
+Since Open MPI is MPI-|mpi_standard_version|.|mpi_standard_subversion| compliant, this function will return a
+``version`` value of |mpi_standard_version| and a subversion value of |mpi_standard_subversion| for this release.
 
 Note
 ----

docs/man-openmpi/man5/Open-MPI.5.rst

@@ -23,8 +23,8 @@ message-passing programs that would be efficient, flexible, and
 portable.
 
 The outcome, known as the MPI Standard, was first published in 1993; its
-most recent version (MPI-3.1) was published in June 2015. Open MPI
-includes all MPI 3.1-compliant routines.
+most recent version (MPI-4.0) was published in June 2021. Open MPI
+includes all MPI |mpi_standard_version|.|mpi_standard_subversion|-compliant routines.
 
 For more information about Open MPI, see https://www.open-mpi.org.
 

docs/release-notes/mpi.rst

@@ -4,7 +4,7 @@ MPI Functionality and Features
 MPI Standard conformance
 ------------------------
 
-In the Open MPI |ompi_series| series, all MPI-3.1 functionality is
+In the Open MPI |ompi_series| series, all MPI-|mpi_standard_version|.|mpi_standard_subversion| functionality is
 supported.  Some MPI-4.0 functionality is supported, but not all of
 it.