ceph/src/boost/libs/mpi/include/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 Comment this macro is you are running in an heterogeneous environment.
  24  *
  25  * When this flag is enabled, we assume some simple, POD-like, type can be
  26  * transmitted without paying the cost of portable serialization.
  27  *
  28  * Comment this if your platform is not homogeneous and that portable
  29  * serialization/deserialization must be performed.
  30  *
  31  * It you do so, check that your MPI implementation supports thats kind of environment.
  32  */
  33 #define BOOST_MPI_HOMOGENEOUS
  34
  35 // If this is an MPI-2 implementation, define configuration macros for
  36 // the features we are interested in.
  37 #if defined(MPI_VERSION) && MPI_VERSION >= 2
  38 /** @brief Determine if the MPI implementation has support for memory
  39  *  allocation.
  40  *
  41  *  This macro will be defined when the underlying MPI implementation
  42  *  has support for the MPI-2 memory allocation routines @c
  43  *  MPI_Alloc_mem and @c MPI_Free_mem. When defined, the @c allocator
  44  *  class template will provide Standard Library-compliant access to
  45  *  these memory-allocation routines.
  46  */
  47 #  define BOOST_MPI_HAS_MEMORY_ALLOCATION
  48
  49 /** @brief Determine if the MPI implementation has supports initialization
  50  *  without command-line arguments.
  51  *
  52  *  This macro will be defined when the underlying implementation
  53  *  supports initialization of MPI without passing along command-line
  54  *  arguments, e.g., @c MPI_Init(NULL, NULL). When defined, the @c
  55  *  environment class will provide a default constructor. This macro is
  56  *  always defined for MPI-2 implementations. */
  57 #  define BOOST_MPI_HAS_NOARG_INITIALIZATION
  58 #else
  59 // If this is an MPI-1.x implementation, no arg initialization for
  60 // mpi environment could still be available, but not mandatory.
  61 // Undef this if no arg init is available:
  62 //#  define BOOST_MPI_HAS_NOARG_INITIALIZATION
  63 #endif
  64
  65 #if defined(MPIAPI)
  66 #  define BOOST_MPI_CALLING_CONVENTION MPIAPI
  67 #else
  68 /** @brief Specifies the calling convention that will be used for callbacks
  69  *  from the underlying C MPI.
  70  *
  71  *  This is a Windows-specific macro, which will be used internally to state
  72  *  the calling convention of any function that is to be used as a callback
  73  *  from MPI. For example, the internally-defined functions that are used in
  74  *  a call to @c MPI_Op_create. This macro is likely only to be useful to
  75  *  users that wish to bypass Boost.MPI, registering their own callbacks in
  76  *  certain cases, e.g., through @c MPI_Op_create.
  77  */
  78 #  define BOOST_MPI_CALLING_CONVENTION
  79 #endif
  80
  81 /** @brief Indicates that MPI_Bcast supports MPI_BOTTOM.
  82  *
  83  * Some implementations have a broken MPI_Bcast wrt to MPI_BOTTOM.
  84  * BullX MPI and LAM seems to be among them, at least for some versions.
  85  * The `broacast_test.cpp` test `test_skeleton_and_content` can be used to
  86  * detect that.
  87  */
  88 #define BOOST_MPI_BCAST_BOTTOM_WORKS_FINE
  89
  90 #if defined(LAM_MPI)
  91 // Configuration for LAM/MPI
  92 #  define BOOST_MPI_HAS_MEMORY_ALLOCATION
  93 #  define BOOST_MPI_HAS_NOARG_INITIALIZATION
  94 #  undef  BOOST_MPI_BCAST_BOTTOM_WORKS_FINE
  95 #elif defined(MPICH_NAME)
  96 // Configuration for MPICH
  97 #endif
  98
  99 /*****************************************************************************
 100  *                                                                           *
 101  *  DLL import/export options                                                *
 102  *                                                                           *
 103  *****************************************************************************/
 104
 105 #if (defined(BOOST_MPI_DYN_LINK) || defined(BOOST_ALL_DYN_LINK)) && !defined(BOOST_MPI_STATIC_LINK)
 106 #  if defined(BOOST_MPI_SOURCE)
 107 #     define BOOST_MPI_DECL BOOST_SYMBOL_EXPORT
 108 #     define BOOST_MPI_BUILD_DLL
 109 #  else
 110 #     define BOOST_MPI_DECL BOOST_SYMBOL_IMPORT
 111 #  endif
 112 #endif
 113
 114 #ifndef BOOST_MPI_DECL
 115 #  define BOOST_MPI_DECL
 116 #endif
 117
 118 #if !defined(BOOST_MPI_NO_LIB) && !defined(BOOST_MPI_SOURCE) && !defined(BOOST_ALL_NO_LIB) && defined(__cplusplus)
 119 #  define BOOST_LIB_NAME boost_mpi
 120 #  if defined(BOOST_MPI_DYN_LINK) || defined(BOOST_ALL_DYN_LINK)
 121 #     define BOOST_DYN_LINK
 122 #  endif
 123 #  ifdef BOOST_MPI_DIAG
 124 #     define BOOST_LIB_DIAGNOSTIC
 125 #  endif
 126 #  include <boost/config/auto_link.hpp>
 127 #endif
 128
 129 #endif // BOOST_MPI_CONFIG_HPP