// Copyright (C) 2006 Douglas Gregor <doug.gregor -at- gmail.com>
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// Use, modification and distribution is subject to the Boost Software
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// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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/** @file config.hpp
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*
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* This header provides MPI configuration details that expose the
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* capabilities of the underlying MPI implementation, and provides
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* auto-linking support on Windows.
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*/
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#ifndef BOOST_MPI_CONFIG_HPP
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#define BOOST_MPI_CONFIG_HPP
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/* Force MPICH not to define SEEK_SET, SEEK_CUR, and SEEK_END, which
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conflict with the versions in <stdio.h> and <cstdio>. */
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#define MPICH_IGNORE_CXX_SEEK 1
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/* We do not want to link in the OpenMPI CXX stuff */
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#define OMPI_SKIP_MPICXX
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#include <mpi.h>
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#include <boost/config.hpp>
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/** @brief Comment this macro is you are running in an heterogeneous environment.
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*
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* When this flag is enabled, we assume some simple, POD-like, type can be
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* transmitted without paying the cost of portable serialization.
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*
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* Comment this if your platform is not homogeneous and that portable
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* serialization/deserialization must be performed.
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*
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* It you do so, check that your MPI implementation supports thats kind of environment.
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*/
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#define BOOST_MPI_HOMOGENEOUS
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#if defined MPI_VERSION
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/** @brief Major version of the underlying MPI implementation supproted standard.
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*
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* If, for some reason, MPI_VERSION is not supported, you should probably set that
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* according to your MPI documentation
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*/
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# define BOOST_MPI_VERSION MPI_VERSION
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#else
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// assume a safe default
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# define BOOST_MPI_VERSION 2
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#endif
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#if defined MPI_SUBVERSION
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/** @brief Major version of the underlying MPI implementation supported standard.
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*
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* If, for some reason, MPI_SUBVERSION is not supported, you should probably set that
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* according to your MPI documentation
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*/
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# define BOOST_MPI_SUBVERSION MPI_SUBVERSION
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#else
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// assume a safe default
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# define BOOST_MPI_SUBVERSION 2
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#endif
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// If this is an MPI-2 implementation, define configuration macros for
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// the features we are interested in.
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#if BOOST_MPI_VERSION >= 2
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/** @brief Determine if the MPI implementation has support for memory
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* allocation.
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*
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* This macro will be defined when the underlying MPI implementation
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* has support for the MPI-2 memory allocation routines @c
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* MPI_Alloc_mem and @c MPI_Free_mem. When defined, the @c allocator
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* class template will provide Standard Library-compliant access to
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* these memory-allocation routines.
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*/
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# define BOOST_MPI_HAS_MEMORY_ALLOCATION
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/** @brief Determine if the MPI implementation has supports initialization
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* without command-line arguments.
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*
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* This macro will be defined when the underlying implementation
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* supports initialization of MPI without passing along command-line
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* arguments, e.g., @c MPI_Init(NULL, NULL). When defined, the @c
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* environment class will provide a default constructor. This macro is
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* always defined for MPI-2 implementations. */
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# define BOOST_MPI_HAS_NOARG_INITIALIZATION
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#else
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// If this is an MPI-1.x implementation, no arg initialization for
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// mpi environment could still be available, but not mandatory.
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// Undef this if no arg init is available:
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//# define BOOST_MPI_HAS_NOARG_INITIALIZATION
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#endif
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#if defined(MPIAPI)
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# define BOOST_MPI_CALLING_CONVENTION MPIAPI
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#else
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/** @brief Specifies the calling convention that will be used for callbacks
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* from the underlying C MPI.
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*
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* This is a Windows-specific macro, which will be used internally to state
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* the calling convention of any function that is to be used as a callback
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* from MPI. For example, the internally-defined functions that are used in
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* a call to @c MPI_Op_create. This macro is likely only to be useful to
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* users that wish to bypass Boost.MPI, registering their own callbacks in
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* certain cases, e.g., through @c MPI_Op_create.
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*/
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# define BOOST_MPI_CALLING_CONVENTION
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#endif
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/** @brief Indicates that MPI_Bcast supports MPI_BOTTOM.
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*
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* Some implementations have a broken MPI_Bcast wrt to MPI_BOTTOM.
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* BullX MPI and LAM seems to be among them, at least for some versions.
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* The `broacast_test.cpp` test `test_skeleton_and_content` can be used to
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* detect that.
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*/
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#define BOOST_MPI_BCAST_BOTTOM_WORKS_FINE
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#if defined(LAM_MPI)
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// Configuration for LAM/MPI
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# define BOOST_MPI_HAS_MEMORY_ALLOCATION
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# define BOOST_MPI_HAS_NOARG_INITIALIZATION
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# undef BOOST_MPI_BCAST_BOTTOM_WORKS_FINE
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#endif
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#if defined(MPICH_NAME)
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// Configuration for MPICH
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#endif
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#if defined(OPEN_MPI)
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// Configuration for Open MPI
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#endif
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#if BOOST_MPI_VERSION >= 3
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// MPI_Probe an friends should work
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# if defined(I_MPI_NUMVERSION)
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// Excepted for some Intel versions.
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// Note that I_MPI_NUMVERSION is not always defined with Intel.
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# if I_MPI_NUMVERSION > 20190004000
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# define BOOST_MPI_USE_IMPROBE 1
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# endif
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# else
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# define BOOST_MPI_USE_IMPROBE 1
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# endif
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#endif
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/*****************************************************************************
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* *
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* DLL import/export options *
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* *
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*****************************************************************************/
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#if (defined(BOOST_MPI_DYN_LINK) || defined(BOOST_ALL_DYN_LINK)) && !defined(BOOST_MPI_STATIC_LINK)
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# if defined(BOOST_MPI_SOURCE)
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# define BOOST_MPI_DECL BOOST_SYMBOL_EXPORT
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# define BOOST_MPI_BUILD_DLL
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# else
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# define BOOST_MPI_DECL BOOST_SYMBOL_IMPORT
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# endif
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#endif
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#ifndef BOOST_MPI_DECL
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# define BOOST_MPI_DECL
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#endif
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#if !defined(BOOST_MPI_NO_LIB) && !defined(BOOST_MPI_SOURCE) && !defined(BOOST_ALL_NO_LIB) && defined(__cplusplus)
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# define BOOST_LIB_NAME boost_mpi
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# if defined(BOOST_MPI_DYN_LINK) || defined(BOOST_ALL_DYN_LINK)
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# define BOOST_DYN_LINK
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# endif
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# ifdef BOOST_MPI_DIAG
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# define BOOST_LIB_DIAGNOSTIC
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# endif
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# include <boost/config/auto_link.hpp>
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#endif
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#endif // BOOST_MPI_CONFIG_HPP
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