# Copyright (C) 2005, 2006 The Trustees of Indiana University.
# Copyright (C) 2005 Douglas Gregor <doug.gregor -at- gmail.com>
# Copyright (c) 2018 Stefan Seefeld

# Use, modification and distribution is subject to the Boost Software
# License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
# http://www.boost.org/LICENSE_1_0.txt)

#  Authors: Douglas Gregor
#           Andrew Lumsdaine

import mpi ;
import indirect ;
import python ;
import option ;
import regex ;

rule tag ( name : type ? : property-set )
{
    if python-tag in [ RULENAMES $(__name__) ]
    {
        return [  $(__name__).python-tag $(name) : $(type) : $(property-set) ] ;
    }
}

constant boost_dependencies_private :
    /boost/utility//boost_utility
    ;

if [ mpi.configured ]
{

project
  : source-location ../src
  : common-requirements <library>$(boost_dependencies)
  : requirements <library>$(boost_dependencies_private)
  ;

lib boost_mpi
  :
    broadcast.cpp
    cartesian_communicator.cpp
    communicator.cpp
    computation_tree.cpp
    content_oarchive.cpp
    environment.cpp
    error_string.cpp
    exception.cpp
    graph_communicator.cpp
    group.cpp
    intercommunicator.cpp
    mpi_datatype_cache.cpp
    mpi_datatype_oarchive.cpp
    offsets.cpp
    packed_iarchive.cpp
    packed_oarchive.cpp
    packed_skeleton_iarchive.cpp
    packed_skeleton_oarchive.cpp
    point_to_point.cpp
    request.cpp
    status.cpp
    text_skeleton_oarchive.cpp
    timer.cpp
  : # Requirements
    <library>/boost/serialization//boost_serialization
    <library>/mpi//mpi [ mpi.extra-requirements ]
    <define>BOOST_MPI_SOURCE=1
    <link>shared:<define>BOOST_MPI_DYN_LINK=1
    <local-visibility>global
  : # Default build
    <link>shared
  : # Usage requirements
    <library>/boost/serialization//boost_serialization
    <library>/mpi//mpi [ mpi.extra-requirements ]
    <define>BOOST_MPI_NO_LIB=1
  ;

    if [ python.configured ]
    {
            lib boost_mpi_python
              : # Sources
                python/serialize.cpp
              : # Requirements
                <library>boost_mpi
                <library>/mpi//mpi [ mpi.extra-requirements ]
                <library>/python//python_for_extensions
                <library>/boost/python//boost_python
                <link>shared:<define>BOOST_MPI_DYN_LINK=1
                <link>shared:<define>BOOST_MPI_PYTHON_DYN_LINK=1
                <link>shared:<define>BOOST_PYTHON_DYN_LINK=1
                <define>BOOST_MPI_PYTHON_SOURCE=1
                <python-debugging>on:<define>BOOST_DEBUG_PYTHON
                -<tag>@%boostcpp.tag
                -<tag>@$(BOOST_JAMROOT_MODULE)%$(BOOST_JAMROOT_MODULE).tag
                <tag>@tag
                <conditional>@python.require-py
                <local-visibility>global

              : # Default build
                <link>shared
              : # Usage requirements
                <library>/mpi//mpi [ mpi.extra-requirements ]
                <library>/python//python
                <define>BOOST_MPI_PYTHON_NO_LIB=1
              ;

            python-extension mpi
              : # Sources
                python/collectives.cpp
                python/py_communicator.cpp
                python/datatypes.cpp
                python/documentation.cpp
                python/py_environment.cpp
                python/py_nonblocking.cpp
                python/py_exception.cpp
                python/module.cpp
                python/py_request.cpp
                python/skeleton_and_content.cpp
                python/status.cpp
                python/py_timer.cpp
              : # Requirements
                <library>/boost/python//boost_python
                <library>boost_mpi_python
                <library>boost_mpi
                <library>/mpi//mpi [ mpi.extra-requirements ]
                <link>shared:<define>BOOST_MPI_DYN_LINK=1
                <link>shared:<define>BOOST_MPI_PYTHON_DYN_LINK=1
                <link>shared:<define>BOOST_PYTHON_DYN_LINK=1
                <link>shared <runtime-link>shared
                <python-debugging>on:<define>BOOST_DEBUG_PYTHON
              ;
    }
    else
    {
        alias boost_mpi_python ;
        alias mpi ;
    }
}
else
{
    if ! ( --without-mpi in  [ modules.peek : ARGV ] )
    {
        message boost_mpi
            : "warning: skipping optional Message Passing Interface (MPI) library."
            : "note: to enable MPI support, add \"using mpi ;\" to user-config.jam."
            : "note: to suppress this message, pass \"--without-mpi\" to b2."
            : "note: otherwise, you can safely ignore this message."
            ;
    }
    alias boost_mpi_python : boost_mpi ;
    alias mpi : boost_mpi ;
}