projects / ceph.git / blame
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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 |