boost/mpi/config.hpp

   1 // Copyright (C) 2006 Douglas Gregor <doug.gregor -at- gmail.com>
   2
   3 // Use, modification and distribution is subject to the Boost Software
   4 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   5 // http://www.boost.org/LICENSE_1_0.txt)
   6
   7 /** @file config.hpp
   8  *
   9  *  This header provides MPI configuration details that expose the
  10  *  capabilities of the underlying MPI implementation, and provides
  11  *  auto-linking support on Windows.
  12  */
  13 #ifndef BOOST_MPI_CONFIG_HPP
  14 #define BOOST_MPI_CONFIG_HPP
  15
  16 /* Force MPICH not to define SEEK_SET, SEEK_CUR, and SEEK_END, which
  17    conflict with the versions in <stdio.h> and <cstdio>. */
  18 #define MPICH_IGNORE_CXX_SEEK 1
  19
  20 #include <mpi.h>
  21 #include <boost/config.hpp>
  22
  23 /** @brief Define this macro to avoid expensice MPI_Pack/Unpack calls on
  24  *  homogeneous machines.
  25 */
  26 //#define BOOST_MPI_HOMOGENEOUS
  27
  28 // If this is an MPI-2 implementation, define configuration macros for
  29 // the features we are interested in.
  30 #if defined(MPI_VERSION) && MPI_VERSION == 2
  31 /** @brief Determine if the MPI implementation has support for memory
  32  *  allocation.
  33  *
  34  *  This macro will be defined when the underlying MPI implementation
  35  *  has support for the MPI-2 memory allocation routines @c
  36  *  MPI_Alloc_mem and @c MPI_Free_mem. When defined, the @c allocator
  37  *  class template will provide Standard Library-compliant access to
  38  *  these memory-allocation routines.
  39  */
  40 #  define BOOST_MPI_HAS_MEMORY_ALLOCATION
  41
  42 /** @brief Determine if the MPI implementation has supports initialization
  43  *  without command-line arguments.
  44  *
  45  *  This macro will be defined when the underlying implementation
  46  *  supports initialization of MPI without passing along command-line
  47  *  arguments, e.g., @c MPI_Init(NULL, NULL). When defined, the @c
  48  *  environment class will provide a default constructor. This macro is
  49  *  always defined for MPI-2 implementations. */
  50 #  define BOOST_MPI_HAS_NOARG_INITIALIZATION
  51 #endif
  52
  53 #if defined(MPIAPI)
  54 #  define BOOST_MPI_CALLING_CONVENTION MPIAPI
  55 #else
  56 /** @brief Specifies the calling convention that will be used for callbacks
  57  *  from the underlying C MPI.
  58  *
  59  *  This is a Windows-specific macro, which will be used internally to state
  60  *  the calling convention of any function that is to be used as a callback
  61  *  from MPI. For example, the internally-defined functions that are used in
  62  *  a call to @c MPI_Op_create. This macro is likely only to be useful to
  63  *  users that wish to bypass Boost.MPI, registering their own callbacks in
  64  *  certain cases, e.g., through @c MPI_Op_create.
  65  */
  66 #  define BOOST_MPI_CALLING_CONVENTION
  67 #endif
  68
  69 #if defined(LAM_MPI)
  70 // Configuration for LAM/MPI
  71 #  define BOOST_MPI_HAS_MEMORY_ALLOCATION
  72 #  define BOOST_MPI_HAS_NOARG_INITIALIZATION
  73 #elif defined(MPICH_NAME)
  74 // Configuration for MPICH
  75 #endif
  76
  77 /*****************************************************************************
  78  *                                                                           *
  79  *  DLL import/export options                                                *
  80  *                                                                           *
  81  *****************************************************************************/
  82
  83 #if defined(BOOST_HAS_DECLSPEC) && (defined(BOOST_MPI_DYN_LINK) || defined(BOOST_ALL_DYN_LINK)) && !defined(BOOST_MPI_STATIC_LINK)
  84 #  if defined(BOOST_MPI_SOURCE)
  85 #     define BOOST_MPI_DECL __declspec(dllexport)
  86 #     define BOOST_MPI_BUILD_DLL
  87 #  else
  88 #     define BOOST_MPI_DECL __declspec(dllimport)
  89 #  endif
  90 #endif
  91
  92 #ifndef BOOST_MPI_DECL
  93 #  define BOOST_MPI_DECL
  94 #endif
  95
  96 #if !defined(BOOST_MPI_NO_LIB) && !defined(BOOST_MPI_SOURCE) && !defined(BOOST_ALL_NO_LIB) && defined(__cplusplus)
  97 #  define BOOST_LIB_NAME boost_mpi
  98 #  if defined(BOOST_MPI_DYN_LINK) || defined(BOOST_ALL_DYN_LINK)
  99 #     define BOOST_DYN_LINK
 100 #  endif
 101 #  ifdef BOOST_MPI_DIAG
 102 #     define BOOST_LIB_DIAGNOSTIC
 103 #  endif
 104 #  include <boost/config/auto_link.hpp>
 105 #endif
 106
 107 #endif // BOOST_MPI_CONFIG_HPP