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| -rw-r--r-- | config/cmake_ext_mod/FindMPI.cmake | 1461 |
1 files changed, 0 insertions, 1461 deletions
diff --git a/config/cmake_ext_mod/FindMPI.cmake b/config/cmake_ext_mod/FindMPI.cmake deleted file mode 100644 index 61ab4a4..0000000 --- a/config/cmake_ext_mod/FindMPI.cmake +++ /dev/null @@ -1,1461 +0,0 @@ -# Distributed under the OSI-approved BSD 3-Clause License. See https://cmake.org/licensing for details. - -#.rst: -# FindMPI -# ------- -# -# Find a Message Passing Interface (MPI) implementation. -# -# The Message Passing Interface (MPI) is a library used to write -# high-performance distributed-memory parallel applications, and is -# typically deployed on a cluster. MPI is a standard interface (defined -# by the MPI forum) for which many implementations are available. -# -# Variables for using MPI -# ^^^^^^^^^^^^^^^^^^^^^^^ -# -# The module exposes the components ``C``, ``CXX``, ``MPICXX`` and ``Fortran``. -# Each of these controls the various MPI languages to search for. -# The difference between ``CXX`` and ``MPICXX`` is that ``CXX`` refers to the -# MPI C API being usable from C++, whereas ``MPICXX`` refers to the MPI-2 C++ API -# that was removed again in MPI-3. -# -# Depending on the enabled components the following variables will be set: -# -# ``MPI_FOUND`` -# Variable indicating that MPI settings for all requested languages have been found. -# If no components are specified, this is true if MPI settings for all enabled languages -# were detected. Note that the ``MPICXX`` component does not affect this variable. -# ``MPI_VERSION`` -# Minimal version of MPI detected among the requested languages, or all enabled languages -# if no components were specified. -# -# This module will set the following variables per language in your -# project, where ``<lang>`` is one of C, CXX, or Fortran: -# -# ``MPI_<lang>_FOUND`` -# Variable indicating the MPI settings for ``<lang>`` were found and that -# simple MPI test programs compile with the provided settings. -# ``MPI_<lang>_COMPILER`` -# MPI compiler for ``<lang>`` if such a program exists. -# ``MPI_<lang>_COMPILE_OPTIONS`` -# Compilation options for MPI programs in ``<lang>``, given as a :ref:`;-list <CMake Language Lists>`. -# ``MPI_<lang>_COMPILE_DEFINITIONS`` -# Compilation definitions for MPI programs in ``<lang>``, given as a :ref:`;-list <CMake Language Lists>`. -# ``MPI_<lang>_INCLUDE_DIRS`` -# Include path(s) for MPI header. -# ``MPI_<lang>_LINK_FLAGS`` -# Linker flags for MPI programs. -# ``MPI_<lang>_LIBRARIES`` -# All libraries to link MPI programs against. -# -# Additionally, the following :prop_tgt:`IMPORTED` targets are defined: -# -# ``MPI::MPI_<lang>`` -# Target for using MPI from ``<lang>``. -# -# The following variables indicating which bindings are present will be defined: -# -# ``MPI_MPICXX_FOUND`` -# Variable indicating whether the MPI-2 C++ bindings are present (introduced in MPI-2, removed with MPI-3). -# ``MPI_Fortran_HAVE_F77_HEADER`` -# True if the Fortran 77 header ``mpif.h`` is available. -# ``MPI_Fortran_HAVE_F90_MODULE`` -# True if the Fortran 90 module ``mpi`` can be used for accessing MPI (MPI-2 and higher only). -# ``MPI_Fortran_HAVE_F08_MODULE`` -# True if the Fortran 2008 ``mpi_f08`` is available to MPI programs (MPI-3 and higher only). -# -# If possible, the MPI version will be determined by this module. The facilities to detect the MPI version -# were introduced with MPI-1.2, and therefore cannot be found for older MPI versions. -# -# ``MPI_<lang>_VERSION_MAJOR`` -# Major version of MPI implemented for ``<lang>`` by the MPI distribution. -# ``MPI_<lang>_VERSION_MINOR`` -# Minor version of MPI implemented for ``<lang>`` by the MPI distribution. -# ``MPI_<lang>_VERSION`` -# MPI version implemented for ``<lang>`` by the MPI distribution. -# -# Note that there's no variable for the C bindings being accessible through ``mpi.h``, since the MPI standards -# always have required this binding to work in both C and C++ code. -# -# For running MPI programs, the module sets the following variables -# -# ``MPIEXEC_EXECUTABLE`` -# Executable for running MPI programs, if such exists. -# ``MPIEXEC_NUMPROC_FLAG`` -# Flag to pass to ``mpiexec`` before giving it the number of processors to run on. -# ``MPIEXEC_MAX_NUMPROCS`` -# Number of MPI processors to utilize. Defaults to the number -# of processors detected on the host system. -# ``MPIEXEC_PREFLAGS`` -# Flags to pass to ``mpiexec`` directly before the executable to run. -# ``MPIEXEC_POSTFLAGS`` -# Flags to pass to ``mpiexec`` after other flags. -# -# Variables for locating MPI -# ^^^^^^^^^^^^^^^^^^^^^^^^^^ -# -# This module performs a three step search for an MPI implementation: -# -# 1. Check if the compiler has MPI support built-in. This is the case if the user passed a -# compiler wrapper as ``CMAKE_<LANG>_COMPILER`` or if they're on a Cray system. -# 2. Attempt to find an MPI compiler wrapper and determine the compiler information from it. -# 3. Try to find an MPI implementation that does not ship such a wrapper by guessing settings. -# Currently, only Microsoft MPI and MPICH2 on Windows are supported. -# -# For controlling the second step, the following variables may be set: -# -# ``MPI_<lang>_COMPILER`` -# Search for the specified compiler wrapper and use it. -# ``MPI_<lang>_COMPILER_FLAGS`` -# Flags to pass to the MPI compiler wrapper during interrogation. Some compiler wrappers -# support linking debug or tracing libraries if a specific flag is passed and this variable -# may be used to obtain them. -# ``MPI_COMPILER_FLAGS`` -# Used to initialize ``MPI_<lang>_COMPILER_FLAGS`` if no language specific flag has been given. -# Empty by default. -# ``MPI_EXECUTABLE_SUFFIX`` -# A suffix which is appended to all names that are being looked for. For instance you may set this -# to ``.mpich`` or ``.openmpi`` to prefer the one or the other on Debian and its derivatives. -# -# In order to control the guessing step, the following variable may be set: -# -# ``MPI_GUESS_LIBRARY_NAME`` -# Valid values are ``MSMPI`` and ``MPICH2``. If set, only the given library will be searched for. -# By default, ``MSMPI`` will be preferred over ``MPICH2`` if both are available. -# This also sets ``MPI_SKIP_COMPILER_WRAPPER`` to ``true``, which may be overridden. -# -# Each of the search steps may be skipped with the following control variables: -# -# ``MPI_ASSUME_NO_BUILTIN_MPI`` -# If true, the module assumes that the compiler itself does not provide an MPI implementation and -# skips to step 2. -# ``MPI_SKIP_COMPILER_WRAPPER`` -# If true, no compiler wrapper will be searched for. -# ``MPI_SKIP_GUESSING`` -# If true, the guessing step will be skipped. -# -# Additionally, the following control variable is available to change search behavior: -# -# ``MPI_CXX_SKIP_MPICXX`` -# Add some definitions that will disable the MPI-2 C++ bindings. -# Currently supported are MPICH, Open MPI, Platform MPI and derivatives thereof, -# for example MVAPICH or Intel MPI. -# -# If the find procedure fails for a variable ``MPI_<lang>_WORKS``, then the settings detected by or passed to -# the module did not work and even a simple MPI test program failed to compile. -# -# If all of these parameters were not sufficient to find the right MPI implementation, a user may -# disable the entire autodetection process by specifying both a list of libraries in ``MPI_<lang>_LIBRARIES`` -# and a list of include directories in ``MPI_<lang>_ADDITIONAL_INCLUDE_DIRS``. -# Any other variable may be set in addition to these two. The module will then validate the MPI settings and store the -# settings in the cache. -# -# Cache variables for MPI -# ^^^^^^^^^^^^^^^^^^^^^^^ -# -# The variable ``MPI_<lang>_INCLUDE_DIRS`` will be assembled from the following variables. -# For C and CXX: -# -# ``MPI_<lang>_HEADER_DIR`` -# Location of the ``mpi.h`` header on disk. -# -# For Fortran: -# -# ``MPI_Fortran_F77_HEADER_DIR`` -# Location of the Fortran 77 header ``mpif.h``, if it exists. -# ``MPI_Fortran_MODULE_DIR`` -# Location of the ``mpi`` or ``mpi_f08`` modules, if available. -# -# For all languages the following variables are additionally considered: -# -# ``MPI_<lang>_ADDITIONAL_INCLUDE_DIRS`` -# A :ref:`;-list <CMake Language Lists>` of paths needed in addition to the normal include directories. -# ``MPI_<include_name>_INCLUDE_DIR`` -# Path variables for include folders referred to by ``<include_name>``. -# ``MPI_<lang>_ADDITIONAL_INCLUDE_VARS`` -# A :ref:`;-list <CMake Language Lists>` of ``<include_name>`` that will be added to the include locations of ``<lang>``. -# -# The variable ``MPI_<lang>_LIBRARIES`` will be assembled from the following variables: -# -# ``MPI_<lib_name>_LIBRARY`` -# The location of a library called ``<lib_name>`` for use with MPI. -# ``MPI_<lang>_LIB_NAMES`` -# A :ref:`;-list <CMake Language Lists>` of ``<lib_name>`` that will be added to the include locations of ``<lang>``. -# -# Usage of mpiexec -# ^^^^^^^^^^^^^^^^ -# -# When using ``MPIEXEC_EXECUTABLE`` to execute MPI applications, you should typically -# use all of the ``MPIEXEC_EXECUTABLE`` flags as follows: -# -# :: -# -# ${MPIEXEC_EXECUTABLE} ${MPIEXEC_NUMPROC_FLAG} ${MPIEXEC_MAX_NUMPROCS} -# ${MPIEXEC_PREFLAGS} EXECUTABLE ${MPIEXEC_POSTFLAGS} ARGS -# -# where ``EXECUTABLE`` is the MPI program, and ``ARGS`` are the arguments to -# pass to the MPI program. -# -# Advanced variables for using MPI -# ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -# -# The module can perform some advanced feature detections upon explicit request. -# -# **Important notice:** The following checks cannot be performed without *executing* an MPI test program. -# Consider the special considerations for the behavior of :command:`try_run` during cross compilation. -# Moreover, running an MPI program can cause additional issues, like a firewall notification on some systems. -# You should only enable these detections if you absolutely need the information. -# -# If the following variables are set to true, the respective search will be performed: -# -# ``MPI_DETERMINE_Fortran_CAPABILITIES`` -# Determine for all available Fortran bindings what the values of ``MPI_SUBARRAYS_SUPPORTED`` and -# ``MPI_ASYNC_PROTECTS_NONBLOCKING`` are and make their values available as ``MPI_Fortran_<binding>_SUBARRAYS`` -# and ``MPI_Fortran_<binding>_ASYNCPROT``, where ``<binding>`` is one of ``F77_HEADER``, ``F90_MODULE`` and -# ``F08_MODULE``. -# ``MPI_DETERMINE_LIBRARY_VERSION`` -# For each language, find the output of ``MPI_Get_library_version`` and make it available as ``MPI_<lang>_LIBRARY_VERSION``. -# This information is usually tied to the runtime component of an MPI implementation and might differ depending on ``<lang>``. -# Note that the return value is entirely implementation defined. This information might be used to identify -# the MPI vendor and for example pick the correct one of multiple third party binaries that matches the MPI vendor. -# -# Backward Compatibility -# ^^^^^^^^^^^^^^^^^^^^^^ -# -# For backward compatibility with older versions of FindMPI, these -# variables are set, but deprecated: -# -# :: -# -# MPI_COMPILER MPI_LIBRARY MPI_EXTRA_LIBRARY -# MPI_COMPILE_FLAGS MPI_INCLUDE_PATH MPI_LINK_FLAGS -# MPI_LIBRARIES -# -# In new projects, please use the ``MPI_<lang>_XXX`` equivalents. -# Additionally, the following variables are deprecated: -# -# ``MPI_<lang>_COMPILE_FLAGS`` -# Use ``MPI_<lang>_COMPILE_OPTIONS`` and ``MPI_<lang>_COMPILE_DEFINITIONS`` instead. -# ``MPI_<lang>_INCLUDE_PATH`` -# For consumption use ``MPI_<lang>_INCLUDE_DIRS`` and for specifying folders use ``MPI_<lang>_ADDITIONAL_INCLUDE_DIRS`` instead. -# ``MPIEXEC`` -# Use ``MPIEXEC_EXECUTABLE`` instead. - -cmake_policy(PUSH) -cmake_policy(SET CMP0057 NEW) # if IN_LIST - -# include this to handle the QUIETLY and REQUIRED arguments -include(${CMAKE_ROOT}/Modules/FindPackageHandleStandardArgs.cmake) -include(GetPrerequisites) - -# Generic compiler names -set(_MPI_C_GENERIC_COMPILER_NAMES mpicc mpcc mpicc_r mpcc_r) -set(_MPI_CXX_GENERIC_COMPILER_NAMES mpicxx mpiCC mpcxx mpCC mpic++ mpc++ - mpicxx_r mpiCC_r mpcxx_r mpCC_r mpic++_r mpc++_r) -set(_MPI_Fortran_GENERIC_COMPILER_NAMES mpif95 mpif95_r mpf95 mpf95_r - mpif90 mpif90_r mpf90 mpf90_r - mpif77 mpif77_r mpf77 mpf77_r - mpifc) - -# GNU compiler names -set(_MPI_GNU_C_COMPILER_NAMES mpigcc mpgcc mpigcc_r mpgcc_r) -set(_MPI_GNU_CXX_COMPILER_NAMES mpig++ mpg++ mpig++_r mpg++_r mpigxx) -set(_MPI_GNU_Fortran_COMPILER_NAMES mpigfortran mpgfortran mpigfortran_r mpgfortran_r - mpig77 mpig77_r mpg77 mpg77_r) - -# Intel MPI compiler names on Windows -if(WIN32) - list(APPEND _MPI_C_GENERIC_COMPILER_NAMES mpicc.bat) - list(APPEND _MPI_CXX_GENERIC_COMPILER_NAMES mpicxx.bat) - list(APPEND _MPI_Fortran_GENERIC_COMPILER_NAMES mpifc.bat) - - # Intel MPI compiler names - set(_MPI_Intel_C_COMPILER_NAMES mpiicc.bat) - set(_MPI_Intel_CXX_COMPILER_NAMES mpiicpc.bat) - set(_MPI_Intel_Fortran_COMPILER_NAMES mpiifort.bat mpif77.bat mpif90.bat) - - # Intel MPI compiler names for MSMPI - set(_MPI_MSVC_C_COMPILER_NAMES mpicl.bat) - set(_MPI_MSVC_CXX_COMPILER_NAMES mpicl.bat) -else() - # Intel compiler names - set(_MPI_Intel_C_COMPILER_NAMES mpiicc) - set(_MPI_Intel_CXX_COMPILER_NAMES mpiicpc mpiicxx mpiic++) - set(_MPI_Intel_Fortran_COMPILER_NAMES mpiifort mpiif95 mpiif90 mpiif77) -endif() - -# PGI compiler names -set(_MPI_PGI_C_COMPILER_NAMES mpipgcc mppgcc) -set(_MPI_PGI_CXX_COMPILER_NAMES mpipgCC mppgCC) -set(_MPI_PGI_Fortran_COMPILER_NAMES mpipgf95 mpipgf90 mppgf95 mppgf90 mpipgf77 mppgf77) - -# XLC MPI Compiler names -set(_MPI_XL_C_COMPILER_NAMES mpxlc mpxlc_r mpixlc mpixlc_r) -set(_MPI_XL_CXX_COMPILER_NAMES mpixlcxx mpixlC mpixlc++ mpxlcxx mpxlc++ mpixlc++ mpxlCC - mpixlcxx_r mpixlC_r mpixlc++_r mpxlcxx_r mpxlc++_r mpixlc++_r mpxlCC_r) -set(_MPI_XL_Fortran_COMPILER_NAMES mpixlf95 mpixlf95_r mpxlf95 mpxlf95_r - mpixlf90 mpixlf90_r mpxlf90 mpxlf90_r - mpixlf77 mpixlf77_r mpxlf77 mpxlf77_r - mpixlf mpixlf_r mpxlf mpxlf_r) - -# Prepend vendor-specific compiler wrappers to the list. If we don't know the compiler, -# attempt all of them. -# By attempting vendor-specific compiler names first, we should avoid situations where the compiler wrapper -# stems from a proprietary MPI and won't know which compiler it's being used for. For instance, Intel MPI -# controls its settings via the I_MPI_CC environment variables if the generic name is being used. -# If we know which compiler we're working with, we can use the most specialized wrapper there is in order to -# pick up the right settings for it. -foreach (LANG IN ITEMS C CXX Fortran) - set(_MPI_${LANG}_COMPILER_NAMES "") - foreach (id IN ITEMS GNU Intel MSVC PGI XL) - if (NOT CMAKE_${LANG}_COMPILER_ID OR CMAKE_${LANG}_COMPILER_ID STREQUAL id) - list(APPEND _MPI_${LANG}_COMPILER_NAMES ${_MPI_${id}_${LANG}_COMPILER_NAMES}${MPI_EXECUTABLE_SUFFIX}) - endif() - unset(_MPI_${id}_${LANG}_COMPILER_NAMES) - endforeach() - list(APPEND _MPI_${LANG}_COMPILER_NAMES ${_MPI_${LANG}_GENERIC_COMPILER_NAMES}${MPI_EXECUTABLE_SUFFIX}) - unset(_MPI_${LANG}_GENERIC_COMPILER_NAMES) -endforeach() - -# Names to try for mpiexec -# Only mpiexec commands are guaranteed to behave as described in the standard, -# mpirun commands are not covered by the standard in any way whatsoever. -# lamexec is the executable for LAM/MPI, srun is for SLURM or Open MPI with SLURM support. -# srun -n X <executable> is however a valid command, so it behaves 'like' mpiexec. -set(_MPIEXEC_NAMES_BASE mpiexec mpiexec.hydra mpiexec.mpd mpirun lamexec srun) - -unset(_MPIEXEC_NAMES) -foreach(_MPIEXEC_NAME IN LISTS _MPIEXEC_NAMES_BASE) - list(APPEND _MPIEXEC_NAMES "${_MPIEXEC_NAME}${MPI_EXECUTABLE_SUFFIX}") -endforeach() -unset(_MPIEXEC_NAMES_BASE) - -function (_MPI_check_compiler LANG QUERY_FLAG OUTPUT_VARIABLE RESULT_VARIABLE) - if(DEFINED MPI_${LANG}_COMPILER_FLAGS) - separate_arguments(_MPI_COMPILER_WRAPPER_OPTIONS NATIVE_COMMAND "${MPI_${LANG}_COMPILER_FLAGS}") - else() - separate_arguments(_MPI_COMPILER_WRAPPER_OPTIONS NATIVE_COMMAND "${MPI_COMPILER_FLAGS}") - endif() - execute_process( - COMMAND ${MPI_${LANG}_COMPILER} ${_MPI_COMPILER_WRAPPER_OPTIONS} ${QUERY_FLAG} - OUTPUT_VARIABLE WRAPPER_OUTPUT OUTPUT_STRIP_TRAILING_WHITESPACE - ERROR_VARIABLE WRAPPER_OUTPUT ERROR_STRIP_TRAILING_WHITESPACE - RESULT_VARIABLE WRAPPER_RETURN) - # Some compiler wrappers will yield spurious zero return values, for example - # Intel MPI tolerates unknown arguments and if the MPI wrappers loads a shared - # library that has invalid or missing version information there would be warning - # messages emitted by ld.so in the compiler output. In either case, we'll treat - # the output as invalid. - if("${WRAPPER_OUTPUT}" MATCHES "undefined reference|unrecognized|need to set|no version information available") - set(WRAPPER_RETURN 255) - endif() - # Ensure that no error output might be passed upwards. - if(NOT WRAPPER_RETURN EQUAL 0) - unset(WRAPPER_OUTPUT) - endif() - set(${OUTPUT_VARIABLE} "${WRAPPER_OUTPUT}" PARENT_SCOPE) - set(${RESULT_VARIABLE} "${WRAPPER_RETURN}" PARENT_SCOPE) -endfunction() - -function (_MPI_interrogate_compiler lang) - unset(MPI_COMPILE_CMDLINE) - unset(MPI_LINK_CMDLINE) - - unset(MPI_COMPILE_OPTIONS_WORK) - unset(MPI_COMPILE_DEFINITIONS_WORK) - unset(MPI_INCLUDE_DIRS_WORK) - unset(MPI_LINK_FLAGS_WORK) - unset(MPI_LIB_NAMES_WORK) - unset(MPI_LIB_FULLPATHS_WORK) - - # Check whether the -showme:compile option works. This indicates that we have either Open MPI - # or a newer version of LAM/MPI, and implies that -showme:link will also work. - # Open MPI also supports -show, but separates linker and compiler information - _MPI_check_compiler(${LANG} "-showme:compile" MPI_COMPILE_CMDLINE MPI_COMPILER_RETURN) - if (MPI_COMPILER_RETURN EQUAL 0) - _MPI_check_compiler(${LANG} "-showme:link" MPI_LINK_CMDLINE MPI_COMPILER_RETURN) - - if (NOT MPI_COMPILER_RETURN EQUAL 0) - unset(MPI_COMPILE_CMDLINE) - endif() - endif() - - # MPICH and MVAPICH offer -compile-info and -link-info. - # For modern versions, both do the same as -show. However, for old versions, they do differ - # when called for mpicxx and mpif90 and it's necessary to use them over -show in order to find the - # removed MPI C++ bindings. - if (NOT MPI_COMPILER_RETURN EQUAL 0) - _MPI_check_compiler(${LANG} "-compile-info" MPI_COMPILE_CMDLINE MPI_COMPILER_RETURN) - - if (MPI_COMPILER_RETURN EQUAL 0) - _MPI_check_compiler(${LANG} "-link-info" MPI_LINK_CMDLINE MPI_COMPILER_RETURN) - - if (NOT MPI_COMPILER_RETURN EQUAL 0) - unset(MPI_COMPILE_CMDLINE) - endif() - endif() - endif() - - # MPICH, MVAPICH2 and Intel MPI just use "-show". Open MPI also offers this, but the - # -showme commands are more specialized. - if (NOT MPI_COMPILER_RETURN EQUAL 0) - _MPI_check_compiler(${LANG} "-show" MPI_COMPILE_CMDLINE MPI_COMPILER_RETURN) - endif() - - # Older versions of LAM/MPI have "-showme". Open MPI also supports this. - # Unknown to MPICH, MVAPICH and Intel MPI. - if (NOT MPI_COMPILER_RETURN EQUAL 0) - _MPI_check_compiler(${LANG} "-showme" MPI_COMPILE_CMDLINE MPI_COMPILER_RETURN) - endif() - - if (NOT (MPI_COMPILER_RETURN EQUAL 0) OR NOT (DEFINED MPI_COMPILE_CMDLINE)) - # Cannot interrogate this compiler, so exit. - set(MPI_${LANG}_WRAPPER_FOUND FALSE PARENT_SCOPE) - return() - endif() - unset(MPI_COMPILER_RETURN) - - # We have our command lines, but we might need to copy MPI_COMPILE_CMDLINE - # into MPI_LINK_CMDLINE, if we didn't find the link line. - if (NOT DEFINED MPI_LINK_CMDLINE) - set(MPI_LINK_CMDLINE "${MPI_COMPILE_CMDLINE}") - endif() - - # At this point, we obtained some output from a compiler wrapper that works. - # We'll now try to parse it into variables with meaning to us. - if("${LANG}" STREQUAL "Fortran") - # Some MPICH-1 and MVAPICH-1 versions return a three command answer for Fortran, consisting - # out of a symlink command for mpif.h, the actual compiler command and a deletion of the - # created symlink. We need to detect that case, remember the include path and drop the - # symlink/deletion operation to obtain the link/compile lines we'd usually expect. - if("${MPI_COMPILE_CMDLINE}" MATCHES "^ln -s ([^\" ]+|\"[^\"]+\") mpif.h") - get_filename_component(MPI_INCLUDE_DIRS_WORK "${CMAKE_MATCH_1}" DIRECTORY) - string(REGEX REPLACE "^ln -s ([^\" ]+|\"[^\"]+\") mpif.h\n" "" MPI_COMPILE_CMDLINE "${MPI_COMPILE_CMDLINE}") - string(REGEX REPLACE "^ln -s ([^\" ]+|\"[^\"]+\") mpif.h\n" "" MPI_LINK_CMDLINE "${MPI_LINK_CMDLINE}") - string(REGEX REPLACE "\nrm -f mpif.h$" "" MPI_COMPILE_CMDLINE "${MPI_COMPILE_CMDLINE}") - string(REGEX REPLACE "\nrm -f mpif.h$" "" MPI_LINK_CMDLINE "${MPI_LINK_CMDLINE}") - endif() - endif() - - # The Intel MPI wrapper on Linux will emit some objcopy commands after its compile command - # if -static_mpi was passed to the wrapper. To avoid spurious matches, we need to drop these lines. - if(UNIX) - string(REGEX REPLACE "(^|\n)objcopy[^\n]+(\n|$)" "" MPI_COMPILE_CMDLINE "${MPI_COMPILE_CMDLINE}") - string(REGEX REPLACE "(^|\n)objcopy[^\n]+(\n|$)" "" MPI_LINK_CMDLINE "${MPI_LINK_CMDLINE}") - endif() - - # Extract compile options from the compile command line. - string(REGEX MATCHALL "(^| )-f([^\" ]+|\"[^\"]+\")" MPI_ALL_COMPILE_OPTIONS "${MPI_COMPILE_CMDLINE}") - - foreach(_MPI_COMPILE_OPTION IN LISTS MPI_ALL_COMPILE_OPTIONS) - string(REGEX REPLACE "^ " "" _MPI_COMPILE_OPTION "${_MPI_COMPILE_OPTION}") - # Ignore -fstack-protector directives: These occur on MPICH and MVAPICH when the libraries - # themselves were built with this flag. However, this flag is unrelated to using MPI, and - # we won't match the accompanying --param-ssp-size and -Wp,-D_FORTIFY_SOURCE flags and therefore - # produce inconsistent results with the regularly flags. - # Similarly, aliasing flags do not belong into our flag array. - if(NOT "${_MPI_COMPILE_OPTION}" MATCHES "^-f(stack-protector|(no-|)strict-aliasing|PI[CE]|pi[ce])") - list(APPEND MPI_COMPILE_OPTIONS_WORK "${_MPI_COMPILE_OPTION}") - endif() - endforeach() - - # Same deal, with the definitions. We also treat arguments passed to the preprocessor directly. - string(REGEX MATCHALL "(^| )(-Wp,|-Xpreprocessor |)[-/]D([^\" ]+|\"[^\"]+\")" MPI_ALL_COMPILE_DEFINITIONS "${MPI_COMPILE_CMDLINE}") - - foreach(_MPI_COMPILE_DEFINITION IN LISTS MPI_ALL_COMPILE_DEFINITIONS) - string(REGEX REPLACE "^ ?(-Wp,|-Xpreprocessor )?[-/]D" "" _MPI_COMPILE_DEFINITION "${_MPI_COMPILE_DEFINITION}") - string(REPLACE "\"" "" _MPI_COMPILE_DEFINITION "${_MPI_COMPILE_DEFINITION}") - if(NOT "${_MPI_COMPILE_DEFINITION}" MATCHES "^_FORTIFY_SOURCE.*") - list(APPEND MPI_COMPILE_DEFINITIONS_WORK "${_MPI_COMPILE_DEFINITION}") - endif() - endforeach() - - # Extract include paths from compile command line - string(REGEX MATCHALL "(^| )[-/]I([^\" ]+|\"[^\"]+\")" MPI_ALL_INCLUDE_PATHS "${MPI_COMPILE_CMDLINE}") - - # If extracting failed to work, we'll try using -showme:incdirs. - if (NOT MPI_ALL_INCLUDE_PATHS) - _MPI_check_compiler(${LANG} "-showme:incdirs" MPI_INCDIRS_CMDLINE MPI_INCDIRS_COMPILER_RETURN) - if(MPI_INCDIRS_COMPILER_RETURN) - separate_arguments(MPI_ALL_INCLUDE_PATHS NATIVE_COMMAND "${MPI_INCDIRS_CMDLINE}") - endif() - endif() - - foreach(_MPI_INCLUDE_PATH IN LISTS MPI_ALL_INCLUDE_PATHS) - string(REGEX REPLACE "^ ?[-/]I" "" _MPI_INCLUDE_PATH "${_MPI_INCLUDE_PATH}") - string(REPLACE "\"" "" _MPI_INCLUDE_PATH "${_MPI_INCLUDE_PATH}") - get_filename_component(_MPI_INCLUDE_PATH "${_MPI_INCLUDE_PATH}" REALPATH) - list(APPEND MPI_INCLUDE_DIRS_WORK "${_MPI_INCLUDE_PATH}") - endforeach() - - # Extract linker paths from the link command line - string(REGEX MATCHALL "(^| )(-Wl,|-Xlinker |)(-L|[/-]LIBPATH:|[/-]libpath:)([^\" ]+|\"[^\"]+\")" MPI_ALL_LINK_PATHS "${MPI_LINK_CMDLINE}") - - # If extracting failed to work, we'll try using -showme:libdirs. - if (NOT MPI_ALL_LINK_PATHS) - _MPI_check_compiler(${LANG} "-showme:libdirs" MPI_LIBDIRS_CMDLINE MPI_LIBDIRS_COMPILER_RETURN) - if(MPI_LIBDIRS_COMPILER_RETURN) - separate_arguments(MPI_ALL_LINK_PATHS NATIVE_COMMAND "${MPI_LIBDIRS_CMDLINE}") - endif() - endif() - - foreach(_MPI_LPATH IN LISTS MPI_ALL_LINK_PATHS) - string(REGEX REPLACE "^ ?(-Wl,|-Xlinker )?(-L|[/-]LIBPATH:|[/-]libpath:)" "" _MPI_LPATH "${_MPI_LPATH}") - string(REPLACE "\"" "" _MPI_LPATH "${_MPI_LPATH}") - get_filename_component(_MPI_LPATH "${_MPI_LPATH}" REALPATH) - list(APPEND MPI_LINK_DIRECTORIES_WORK "${_MPI_LPATH}") - endforeach() - - # Extract linker flags from the link command line - string(REGEX MATCHALL "(^| )(-Wl,|-Xlinker )([^\" ]+|\"[^\"]+\")" MPI_ALL_LINK_FLAGS "${MPI_LINK_CMDLINE}") - - foreach(_MPI_LINK_FLAG IN LISTS MPI_ALL_LINK_FLAGS) - string(STRIP "${_MPI_LINK_FLAG}" _MPI_LINK_FLAG) - # MPI might be marked to build with non-executable stacks but this should not propagate. - if (NOT "${_MPI_LINK_FLAG}" MATCHES "(-Wl,|-Xlinker )-z,noexecstack") - if (MPI_LINK_FLAGS_WORK) - string(APPEND MPI_LINK_FLAGS_WORK " ${_MPI_LINK_FLAG}") - else() - set(MPI_LINK_FLAGS_WORK "${_MPI_LINK_FLAG}") - endif() - endif() - endforeach() - - # Extract the set of libraries to link against from the link command - # line - string(REGEX MATCHALL "(^| )-l([^\" ]+|\"[^\"]+\")" MPI_LIBNAMES "${MPI_LINK_CMDLINE}") - - foreach(_MPI_LIB_NAME IN LISTS MPI_LIBNAMES) - string(REGEX REPLACE "^ ?-l" "" _MPI_LIB_NAME "${_MPI_LIB_NAME}") - string(REPLACE "\"" "" _MPI_LIB_NAME "${_MPI_LIB_NAME}") - get_filename_component(_MPI_LIB_PATH "${_MPI_LIB_NAME}" DIRECTORY) - if(NOT "${_MPI_LIB_PATH}" STREQUAL "") - list(APPEND MPI_LIB_FULLPATHS_WORK "${_MPI_LIB_NAME}") - else() - list(APPEND MPI_LIB_NAMES_WORK "${_MPI_LIB_NAME}") - endif() - endforeach() - - if(WIN32) - # A compiler wrapper on Windows will just have the name of the - # library to link on its link line, potentially with a full path - string(REGEX MATCHALL "(^| )([^\" ]+\\.lib|\"[^\"]+\\.lib\")" MPI_LIBNAMES "${MPI_LINK_CMDLINE}") - foreach(_MPI_LIB_NAME IN LISTS MPI_LIBNAMES) - string(REGEX REPLACE "^ " "" _MPI_LIB_NAME "${_MPI_LIB_NAME}") - string(REPLACE "\"" "" _MPI_LIB_NAME "${_MPI_LIB_NAME}") - get_filename_component(_MPI_LIB_PATH "${_MPI_LIB_NAME}" DIRECTORY) - if(NOT "${_MPI_LIB_PATH}" STREQUAL "") - list(APPEND MPI_LIB_FULLPATHS_WORK "${_MPI_LIB_NAME}") - else() - list(APPEND MPI_LIB_NAMES_WORK "${_MPI_LIB_NAME}") - endif() - endforeach() - else() - # On UNIX platforms, archive libraries can be given with full path. - string(REGEX MATCHALL "(^| )([^\" ]+\\.a|\"[^\"]+\\.a\")" MPI_LIBFULLPATHS "${MPI_LINK_CMDLINE}") - foreach(_MPI_LIB_NAME IN LISTS MPI_LIBFULLPATHS) - string(REGEX REPLACE "^ " "" _MPI_LIB_NAME "${_MPI_LIB_NAME}") - string(REPLACE "\"" "" _MPI_LIB_NAME "${_MPI_LIB_NAME}") - get_filename_component(_MPI_LIB_PATH "${_MPI_LIB_NAME}" DIRECTORY) - if(NOT "${_MPI_LIB_PATH}" STREQUAL "") - list(APPEND MPI_LIB_FULLPATHS_WORK "${_MPI_LIB_NAME}") - else() - list(APPEND MPI_LIB_NAMES_WORK "${_MPI_LIB_NAME}") - endif() - endforeach() - endif() - - # An MPI compiler wrapper could have its MPI libraries in the implictly - # linked directories of the compiler itself. - if(DEFINED CMAKE_${LANG}_IMPLICIT_LINK_DIRECTORIES) - list(APPEND MPI_LINK_DIRECTORIES_WORK "${CMAKE_${LANG}_IMPLICIT_LINK_DIRECTORIES}") - endif() - - # Determine full path names for all of the libraries that one needs - # to link against in an MPI program - unset(MPI_PLAIN_LIB_NAMES_WORK) - foreach(_MPI_LIB_NAME IN LISTS MPI_LIB_NAMES_WORK) - get_filename_component(_MPI_PLAIN_LIB_NAME "${_MPI_LIB_NAME}" NAME_WE) - list(APPEND MPI_PLAIN_LIB_NAMES_WORK "${_MPI_PLAIN_LIB_NAME}") - find_library(MPI_${_MPI_PLAIN_LIB_NAME}_LIBRARY - NAMES "${_MPI_LIB_NAME}" "lib${_MPI_LIB_NAME}" - HINTS ${MPI_LINK_DIRECTORIES_WORK} - DOC "Location of the ${_MPI_PLAIN_LIB_NAME} library for MPI" - ) - mark_as_advanced(MPI_${_MPI_PLAIN_LIB_NAME}_LIBRARY) - endforeach() - - # Deal with the libraries given with full path next - unset(MPI_DIRECT_LIB_NAMES_WORK) - foreach(_MPI_LIB_FULLPATH IN LISTS MPI_LIB_FULLPATHS_WORK) - get_filename_component(_MPI_PLAIN_LIB_NAME "${_MPI_LIB_FULLPATH}" NAME_WE) - get_filename_component(_MPI_LIB_NAME "${_MPI_LIB_FULLPATH}" NAME) - get_filename_component(_MPI_LIB_PATH "${_MPI_LIB_FULLPATH}" DIRECTORY) - list(APPEND MPI_DIRECT_LIB_NAMES_WORK "${_MPI_PLAIN_LIB_NAME}") - find_library(MPI_${_MPI_PLAIN_LIB_NAME}_LIBRARY - NAMES "${_MPI_LIB_NAME}" - HINTS ${_MPI_LIB_PATH} - DOC "Location of the ${_MPI_PLAIN_LIB_NAME} library for MPI" - ) - mark_as_advanced(MPI_${_MPI_PLAIN_LIB_NAME}_LIBRARY) - endforeach() - if(MPI_DIRECT_LIB_NAMES_WORK) - set(MPI_PLAIN_LIB_NAMES_WORK "${MPI_DIRECT_LIB_NAMES_WORK};${MPI_PLAIN_LIB_NAMES_WORK}") - endif() - - # MPI might require pthread to work. The above mechanism wouldn't detect it, but we need to - # link it in that case. -lpthread is covered by the normal library treatment on the other hand. - if("${MPI_COMPILE_CMDLINE}" MATCHES "-pthread") - list(APPEND MPI_COMPILE_OPTIONS_WORK "-pthread") - if(MPI_LINK_FLAGS_WORK) - string(APPEND MPI_LINK_FLAGS_WORK " -pthread") - else() - set(MPI_LINK_FLAGS_WORK "-pthread") - endif() - endif() - - # If we found MPI, set up all of the appropriate cache entries - if(NOT MPI_${LANG}_COMPILE_OPTIONS) - set(MPI_${LANG}_COMPILE_OPTIONS ${MPI_COMPILE_OPTIONS_WORK} CACHE STRING "MPI ${LANG} compilation options" FORCE) - endif() - if(NOT MPI_${LANG}_COMPILE_DEFINITIONS) - set(MPI_${LANG}_COMPILE_DEFINITIONS ${MPI_COMPILE_DEFINITIONS_WORK} CACHE STRING "MPI ${LANG} compilation definitions" FORCE) - endif() - if(NOT MPI_${LANG}_ADDITIONAL_INCLUDE_DIRS) - set(MPI_${LANG}_ADDITIONAL_INCLUDE_DIRS ${MPI_INCLUDE_DIRS_WORK} CACHE STRING "MPI ${LANG} additional include directories" FORCE) - endif() - if(NOT MPI_${LANG}_LINK_FLAGS) - set(MPI_${LANG}_LINK_FLAGS ${MPI_LINK_FLAGS_WORK} CACHE STRING "MPI ${LANG} linker flags" FORCE) - endif() - if(NOT MPI_${LANG}_LIB_NAMES) - set(MPI_${LANG}_LIB_NAMES ${MPI_PLAIN_LIB_NAMES_WORK} CACHE STRING "MPI ${LANG} libraries to link against" FORCE) - endif() - set(MPI_${LANG}_WRAPPER_FOUND TRUE PARENT_SCOPE) -endfunction() - -function(_MPI_guess_settings LANG) - set(MPI_GUESS_FOUND FALSE) - # Currently only MSMPI and MPICH2 on Windows are supported, so we can skip this search if we're not targeting that. - if(WIN32) - # MSMPI - - # The environment variables MSMPI_INC and MSMPILIB32/64 are the only ways of locating the MSMPI_SDK, - # which is installed separately from the runtime. Thus it's possible to have mpiexec but not MPI headers - # or import libraries and vice versa. - if(NOT MPI_GUESS_LIBRARY_NAME OR "${MPI_GUESS_LIBRARY_NAME}" STREQUAL "MSMPI") - # We first attempt to locate the msmpi.lib. Should be find it, we'll assume that the MPI present is indeed - # Microsoft MPI. - if("${CMAKE_SIZEOF_VOID_P}" EQUAL 8) - set(MPI_MSMPI_LIB_PATH "$ENV{MSMPI_LIB64}") - set(MPI_MSMPI_INC_PATH_EXTRA "$ENV{MSMPI_INC}/x64") - else() - set(MPI_MSMPI_LIB_PATH "$ENV{MSMPI_LIB32}") - set(MPI_MSMPI_INC_PATH_EXTRA "$ENV{MSMPI_INC}/x86") - endif() - - find_library(MPI_msmpi_LIBRARY - NAMES msmpi - HINTS ${MPI_MSMPI_LIB_PATH} - DOC "Location of the msmpi library for Microsoft MPI") - mark_as_advanced(MPI_msmpi_LIBRARY) - - if(MPI_msmpi_LIBRARY) - # Next, we attempt to locate the MPI header. Note that for Fortran we know that mpif.h is a way - # MSMPI can be used and therefore that header has to be present. - if(NOT MPI_${LANG}_ADDITIONAL_INCLUDE_DIRS) - get_filename_component(MPI_MSMPI_INC_DIR "$ENV{MSMPI_INC}" REALPATH) - set(MPI_${LANG}_ADDITIONAL_INCLUDE_DIRS "${MPI_MSMPI_INC_DIR}" CACHE STRING "MPI ${LANG} additional include directories" FORCE) - unset(MPI_MSMPI_INC_DIR) - endif() - - # For MSMPI, one can compile the MPI module by building the mpi.f90 shipped with the MSMPI SDK, - # thus it might be present or provided by the user. Figuring out which is supported is done later on. - # The PGI Fortran compiler for instance ships a prebuilt set of modules in its own include folder. - # Should a user be employing PGI or have built its own set and provided it via cache variables, the - # splitting routine would have located the module files. - - # For C and C++, we're done here (MSMPI does not ship the MPI-2 C++ bindings) - however, for Fortran - # we need some extra library to glue Fortran support together: - # MSMPI ships 2-4 Fortran libraries, each for different Fortran compiler behaviors. The library names - # ending with a c are using the cdecl calling convention, whereas those ending with an s are for Fortran - # implementations using stdcall. Therefore, the 64-bit MSMPI only ships those ending in 'c', whereas the 32-bit - # has both variants available. - # The second difference is the last but one letter, if it's an e(nd), the length of a string argument is - # passed by the Fortran compiler after all other arguments on the parameter list, if it's an m(ixed), - # it's passed immediately after the string address. - - # To summarize: - # - msmpifec: CHARACTER length passed after the parameter list and using cdecl calling convention - # - msmpifmc: CHARACTER length passed directly after string address and using cdecl calling convention - # - msmpifes: CHARACTER length passed after the parameter list and using stdcall calling convention - # - msmpifms: CHARACTER length passed directly after string address and using stdcall calling convention - # 32-bit MSMPI ships all four libraries, 64-bit MSMPI ships only the first two. - - # As is, Intel Fortran and PGI Fortran both use the 'ec' variant of the calling convention, whereas - # the old Compaq Visual Fortran compiler defaulted to the 'ms' version. It's possible to make Intel Fortran - # use the CVF calling convention using /iface:cvf, but we assume - and this is also assumed in FortranCInterface - - # this isn't the case. It's also possible to make CVF use the 'ec' variant, using /iface=(cref,nomixed_str_len_arg). - - # Our strategy is now to locate all libraries, but enter msmpifec into the LIB_NAMES array. - # Should this not be adequate it's a straightforward way for a user to change the LIB_NAMES array and - # have his library found. Still, this should not be necessary outside of exceptional cases, as reasoned. - if ("${LANG}" STREQUAL "Fortran") - set(MPI_MSMPI_CALLINGCONVS c) - if("${CMAKE_SIZEOF_VOID_P}" EQUAL 4) - list(APPEND MPI_MSMPI_CALLINGCONVS s) - endif() - foreach(mpistrlenpos IN ITEMS e m) - foreach(mpicallingconv IN LISTS MPI_MSMPI_CALLINGCONVS) - find_library(MPI_msmpif${mpistrlenpos}${mpicallingconv}_LIBRARY - NAMES msmpif${mpistrlenpos}${mpicallingconv} - HINTS "${MPI_MSMPI_LIB_PATH}" - DOC "Location of the msmpi${mpistrlenpos}${mpicallingconv} library for Microsoft MPI") - mark_as_advanced(MPI_msmpif${mpistrlenpos}${mpicallingconv}_LIBRARY) - endforeach() - endforeach() - if(NOT MPI_${LANG}_LIB_NAMES) - set(MPI_${LANG}_LIB_NAMES "msmpi;msmpifec" CACHE STRING "MPI ${LANG} libraries to link against" FORCE) - endif() - - # At this point we're *not* done. MSMPI requires an additional include file for Fortran giving the value - # of MPI_AINT. This file is called mpifptr.h located in the x64 and x86 subfolders, respectively. - find_path(MPI_mpifptr_INCLUDE_DIR - NAMES "mpifptr.h" - HINTS "${MPI_MSMPI_INC_PATH_EXTRA}" - DOC "Location of the mpifptr.h extra header for Microsoft MPI") - if(NOT MPI_${LANG}_ADDITIONAL_INCLUDE_VARS) - set(MPI_${LANG}_ADDITIONAL_INCLUDE_VARS "mpifptr" CACHE STRING "MPI ${LANG} additional include directory variables, given in the form MPI_<name>_INCLUDE_DIR." FORCE) - endif() - mark_as_advanced(MPI_${LANG}_ADDITIONAL_INCLUDE_VARS MPI_mpifptr_INCLUDE_DIR) - else() - if(NOT MPI_${LANG}_LIB_NAMES) - set(MPI_${LANG}_LIB_NAMES "msmpi" CACHE STRING "MPI ${LANG} libraries to link against" FORCE) - endif() - endif() - mark_as_advanced(MPI_${LANG}_LIB_NAMES) - set(MPI_GUESS_FOUND TRUE) - endif() - endif() - - # At this point there's not many MPIs that we could still consider. - # OpenMPI 1.6.x and below supported Windows, but these ship compiler wrappers that still work. - # The only other relevant MPI implementation without a wrapper is MPICH2, which had Windows support in 1.4.1p1 and older. - if(NOT MPI_GUESS_LIBRARY_NAME OR "${MPI_GUESS_LIBRARY_NAME}" STREQUAL "MPICH2") - set(MPI_MPICH_PREFIX_PATHS - "$ENV{ProgramW6432}/MPICH2/lib" - "[HKEY_LOCAL_MACHINE\\SOFTWARE\\MPICH\\SMPD;binary]/../lib" - "[HKEY_LOCAL_MACHINE\\SOFTWARE\\MPICH2;Path]/lib" - ) - - # All of C, C++ and Fortran will need mpi.lib, so we'll look for this first - find_library(MPI_mpi_LIBRARY - NAMES mpi - HINTS ${MPI_MPICH_PREFIX_PATHS}) - mark_as_advanced(MPI_mpi_LIBRARY) - # If we found mpi.lib, we detect the rest of MPICH2 - if(MPI_mpi_LIBRARY) - set(MPI_MPICH_LIB_NAMES "mpi") - # If MPI-2 C++ bindings are requested, we need to locate cxx.lib as well. - # Otherwise, MPICH_SKIP_MPICXX will be defined and these bindings aren't needed. - if("${LANG}" STREQUAL "CXX" AND NOT MPI_CXX_SKIP_MPICXX) - find_library(MPI_cxx_LIBRARY - NAMES cxx - HINTS ${MPI_MPICH_PREFIX_PATHS}) - mark_as_advanced(MPI_cxx_LIBRARY) - list(APPEND MPI_MPICH_LIB_NAMES "cxx") - # For Fortran, MPICH2 provides three different libraries: - # fmpich2.lib which uses uppercase symbols and cdecl, - # fmpich2s.lib which uses uppercase symbols and stdcall (32-bit only), - # fmpich2g.lib which uses lowercase symbols with double underscores and cdecl. - # fmpich2s.lib would be useful for Compaq Visual Fortran, fmpich2g.lib has to be used with GNU g77 and is also - # provided in the form of an .a archive for MinGW and Cygwin. From our perspective, fmpich2.lib is the only one - # we need to try, and if it doesn't work with the given Fortran compiler we'd find out later on during validation - elseif("${LANG}" STREQUAL "Fortran") - find_library(MPI_fmpich2_LIBRARY - NAMES fmpich2 - HINTS ${MPI_MPICH_PREFIX_PATHS}) - find_library(MPI_fmpich2s_LIBRARY - NAMES fmpich2s - HINTS ${MPI_MPICH_PREFIX_PATHS}) - find_library(MPI_fmpich2g_LIBRARY - NAMES fmpich2g - HINTS ${MPI_MPICH_PREFIX_PATHS}) - mark_as_advanced(MPI_fmpich2_LIBRARY MPI_fmpich2s_LIBRARY MPI_fmpich2g_LIBRARY) - list(APPEND MPI_MPICH_LIB_NAMES "fmpich2") - endif() - - if(NOT MPI_${LANG}_LIB_NAMES) - set(MPI_${LANG}_LIB_NAMES "${MPI_MPICH_LIB_NAMES}" CACHE STRING "MPI ${LANG} libraries to link against" FORCE) - endif() - unset(MPI_MPICH_LIB_NAMES) - - if(NOT MPI_${LANG}_ADDITIONAL_INCLUDE_DIRS) - # For MPICH2, the include folder would be in ../include relative to the library folder. - get_filename_component(MPI_MPICH_ROOT_DIR "${MPI_mpi_LIBRARY}" DIRECTORY) - get_filename_component(MPI_MPICH_ROOT_DIR "${MPI_MPICH_ROOT_DIR}" DIRECTORY) - if(IS_DIRECTORY "${MPI_MPICH_ROOT_DIR}/include") - set(MPI_${LANG}_ADDITIONAL_INCLUDE_DIRS "${MPI_MPICH_ROOT_DIR}/include" CACHE STRING "MPI ${LANG} additional include directory variables, given in the form MPI_<name>_INCLUDE_DIR." FORCE) - endif() - unset(MPI_MPICH_ROOT_DIR) - endif() - set(MPI_GUESS_FOUND TRUE) - endif() - unset(MPI_MPICH_PREFIX_PATHS) - endif() - endif() - set(MPI_${LANG}_GUESS_FOUND "${MPI_GUESS_FOUND}" PARENT_SCOPE) -endfunction() - -function(_MPI_adjust_compile_definitions LANG) - if("${LANG}" STREQUAL "CXX") - # To disable the C++ bindings, we need to pass some definitions since the mpi.h header has to deal with both C and C++ - # bindings in MPI-2. - if(MPI_CXX_SKIP_MPICXX AND NOT MPI_${LANG}_COMPILE_DEFINITIONS MATCHES "SKIP_MPICXX") - # MPICH_SKIP_MPICXX is being used in MPICH and derivatives like MVAPICH or Intel MPI - # OMPI_SKIP_MPICXX is being used in Open MPI - # _MPICC_H is being used for IBM Platform MPI - list(APPEND MPI_${LANG}_COMPILE_DEFINITIONS "MPICH_SKIP_MPICXX" "OMPI_SKIP_MPICXX" "_MPICC_H") - set(MPI_${LANG}_COMPILE_DEFINITIONS "${MPI_${LANG}_COMPILE_DEFINITIONS}" CACHE STRING "MPI ${LANG} compilation definitions" FORCE) - endif() - endif() -endfunction() - -macro(_MPI_assemble_libraries LANG) - set(MPI_${LANG}_LIBRARIES "") - foreach(mpilib IN LISTS MPI_${LANG}_LIB_NAMES) - list(APPEND MPI_${LANG}_LIBRARIES ${MPI_${mpilib}_LIBRARY}) - endforeach() -endmacro() - -macro(_MPI_assemble_include_dirs LANG) - set(MPI_${LANG}_INCLUDE_DIRS "${MPI_${LANG}_ADDITIONAL_INCLUDE_DIRS}") - if("${LANG}" MATCHES "(C|CXX)") - if(MPI_${LANG}_HEADER_DIR) - list(APPEND MPI_${LANG}_INCLUDE_DIRS "${MPI_${LANG}_HEADER_DIR}") - endif() - else() # Fortran - if(MPI_${LANG}_F77_HEADER_DIR) - list(APPEND MPI_${LANG}_INCLUDE_DIRS "${MPI_${LANG}_F77_HEADER_DIR}") - endif() - if(MPI_${LANG}_MODULE_DIR AND NOT "${MPI_${LANG}_MODULE_DIR}" IN_LIST MPI_${LANG}_INCLUDE_DIRS) - list(APPEND MPI_${LANG}_INCLUDE_DIRS "${MPI_${LANG}_MODULE_DIR}") - endif() - endif() - if(MPI_${LANG}_ADDITIONAL_INCLUDE_VARS) - foreach(mpiadditionalinclude IN LISTS MPI_${LANG}_ADDITIONAL_INCLUDE_VARS) - list(APPEND MPI_${LANG}_INCLUDE_DIRS "${MPI_${mpiadditionalinclude}_INCLUDE_DIR}") - endforeach() - endif() -endmacro() - -function(_MPI_split_include_dirs LANG) - # Backwards compatibility: Search INCLUDE_PATH if given. - if(MPI_${LANG}_INCLUDE_PATH) - list(APPEND MPI_${LANG}_ADDITIONAL_INCLUDE_DIRS "${MPI_${LANG}_INCLUDE_PATH}") - endif() - - # We try to find the headers/modules among those paths (and system paths) - # For C/C++, we just need to have a look for mpi.h. - if("${LANG}" MATCHES "(C|CXX)") - find_path(MPI_${LANG}_HEADER_DIR "mpi.h" - HINTS ${MPI_${LANG}_ADDITIONAL_INCLUDE_DIRS} - ) - mark_as_advanced(MPI_${LANG}_HEADER_DIR) - if(MPI_${LANG}_ADDITIONAL_INCLUDE_DIRS) - list(REMOVE_ITEM MPI_${LANG}_ADDITIONAL_INCLUDE_DIRS "${MPI_${LANG}_HEADER_DIR}") - endif() - # Fortran is more complicated here: An implementation could provide - # any of the Fortran 77/90/2008 APIs for MPI. For example, MSMPI - # only provides Fortran 77 and - if mpi.f90 is built - potentially - # a Fortran 90 module. - elseif("${LANG}" STREQUAL "Fortran") - find_path(MPI_${LANG}_F77_HEADER_DIR "mpif.h" - HINTS ${MPI_${LANG}_ADDITIONAL_INCLUDE_DIRS} - ) - find_path(MPI_${LANG}_MODULE_DIR - NAMES "mpi.mod" "mpi_f08.mod" - HINTS ${MPI_${LANG}_ADDITIONAL_INCLUDE_DIRS} - ) - if(MPI_${LANG}_ADDITIONAL_INCLUDE_DIRS) - list(REMOVE_ITEM MPI_${LANG}_ADDITIONAL_INCLUDE_DIRS - "${MPI_${LANG}_F77_HEADER_DIR}" - "${MPI_${LANG}_MODULE_DIR}" - ) - endif() - mark_as_advanced(MPI_${LANG}_F77_HEADER_DIR MPI_${LANG}_MODULE_DIR) - endif() - set(MPI_${LANG}_ADDITIONAL_INCLUDE_DIRS ${MPI_${LANG}_ADDITIONAL_INCLUDE_DIRS} CACHE STRING "MPI ${LANG} additional include directories" FORCE) -endfunction() - -macro(_MPI_create_imported_target LANG) - if(NOT TARGET MPI::MPI_${LANG}) - add_library(MPI::MPI_${LANG} INTERFACE IMPORTED) - endif() - - set_property(TARGET MPI::MPI_${LANG} PROPERTY INTERFACE_COMPILE_OPTIONS "${MPI_${LANG}_COMPILE_OPTIONS}") - set_property(TARGET MPI::MPI_${LANG} PROPERTY INTERFACE_COMPILE_DEFINITIONS "${MPI_${LANG}_COMPILE_DEFINITIONS}") - - set_property(TARGET MPI::MPI_${LANG} PROPERTY INTERFACE_LINK_LIBRARIES "") - if(MPI_${LANG}_LINK_FLAGS) - set_property(TARGET MPI::MPI_${LANG} APPEND PROPERTY INTERFACE_LINK_LIBRARIES "${MPI_${LANG}_LINK_FLAGS}") - endif() - # If the compiler links MPI implicitly, no libraries will be found as they're contained within - # CMAKE_<LANG>_IMPLICIT_LINK_LIBRARIES already. - if(MPI_${LANG}_LIBRARIES) - set_property(TARGET MPI::MPI_${LANG} APPEND PROPERTY INTERFACE_LINK_LIBRARIES "${MPI_${LANG}_LIBRARIES}") - endif() - # Given the new design of FindMPI, INCLUDE_DIRS will always be located, even under implicit linking. - set_property(TARGET MPI::MPI_${LANG} PROPERTY INTERFACE_INCLUDE_DIRECTORIES "${MPI_${LANG}_INCLUDE_DIRS}") -endmacro() - -function(_MPI_try_staged_settings LANG MPI_TEST_FILE_NAME MODE RUN_BINARY) - set(WORK_DIR "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/FindMPI") - set(SRC_DIR "${CMAKE_ROOT}/Modules/FindMPI") - set(BIN_FILE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/FindMPI/${MPI_TEST_FILE_NAME}_${LANG}.bin") - unset(MPI_TEST_COMPILE_DEFINITIONS) - if("${LANG}" STREQUAL "Fortran") - if("${MODE}" STREQUAL "F90_MODULE") - set(MPI_Fortran_INCLUDE_LINE "use mpi\n implicit none") - elseif("${MODE}" STREQUAL "F08_MODULE") - set(MPI_Fortran_INCLUDE_LINE "use mpi_f08\n implicit none") - else() # F77 header - set(MPI_Fortran_INCLUDE_LINE "implicit none\n include 'mpif.h'") - endif() - configure_file("${SRC_DIR}/${MPI_TEST_FILE_NAME}.f90.in" "${WORK_DIR}/${MPI_TEST_FILE_NAME}.f90" @ONLY) - set(MPI_TEST_SOURCE_FILE "${WORK_DIR}/${MPI_TEST_FILE_NAME}.f90") - elseif("${LANG}" STREQUAL "CXX") - configure_file("${SRC_DIR}/${MPI_TEST_FILE_NAME}.c" "${WORK_DIR}/${MPI_TEST_FILE_NAME}.cpp" COPYONLY) - set(MPI_TEST_SOURCE_FILE "${WORK_DIR}/${MPI_TEST_FILE_NAME}.cpp") - if("${MODE}" STREQUAL "TEST_MPICXX") - set(MPI_TEST_COMPILE_DEFINITIONS TEST_MPI_MPICXX) - endif() - else() # C - set(MPI_TEST_SOURCE_FILE "${SRC_DIR}/${MPI_TEST_FILE_NAME}.c") - endif() - if(RUN_BINARY) - try_run(MPI_RUN_RESULT_${LANG}_${MPI_TEST_FILE_NAME}_${MODE} MPI_RESULT_${LANG}_${MPI_TEST_FILE_NAME}_${MODE} - "${CMAKE_BINARY_DIR}" SOURCES "${MPI_TEST_SOURCE_FILE}" - COMPILE_DEFINITIONS ${MPI_TEST_COMPILE_DEFINITIONS} - LINK_LIBRARIES MPI::MPI_${LANG} - RUN_OUTPUT_VARIABLE MPI_RUN_OUTPUT_${LANG}_${MPI_TEST_FILE_NAME}_${MODE}) - set(MPI_RUN_OUTPUT_${LANG}_${MPI_TEST_FILE_NAME}_${MODE} "${MPI_RUN_OUTPUT_${LANG}_${MPI_TEST_FILE_NAME}_${MODE}}" PARENT_SCOPE) - else() - try_compile(MPI_RESULT_${LANG}_${MPI_TEST_FILE_NAME}_${MODE} - "${CMAKE_BINARY_DIR}" SOURCES "${MPI_TEST_SOURCE_FILE}" - COMPILE_DEFINITIONS ${MPI_TEST_COMPILE_DEFINITIONS} - LINK_LIBRARIES MPI::MPI_${LANG} - COPY_FILE "${BIN_FILE}") - endif() -endfunction() - -macro(_MPI_check_lang_works LANG) - # For Fortran we may have by the MPI-3 standard an implementation that provides: - # - the mpi_f08 module - # - *both*, the mpi module and 'mpif.h' - # Since older MPI standards (MPI-1) did not define anything but 'mpif.h', we need to check all three individually. - if( NOT MPI_${LANG}_WORKS ) - if("${LANG}" STREQUAL "Fortran") - set(MPI_Fortran_INTEGER_LINE "(kind=MPI_INTEGER_KIND)") - _MPI_try_staged_settings(${LANG} test_mpi F77_HEADER FALSE) - _MPI_try_staged_settings(${LANG} test_mpi F90_MODULE FALSE) - _MPI_try_staged_settings(${LANG} test_mpi F08_MODULE FALSE) - - set(MPI_${LANG}_WORKS FALSE) - - foreach(mpimethod IN ITEMS F77_HEADER F08_MODULE F90_MODULE) - if(MPI_RESULT_${LANG}_test_mpi_${mpimethod}) - set(MPI_${LANG}_WORKS TRUE) - set(MPI_${LANG}_HAVE_${mpimethod} TRUE) - else() - set(MPI_${LANG}_HAVE_${mpimethod} FALSE) - endif() - endforeach() - # MPI-1 versions had no MPI_INTGER_KIND defined, so we need to try without it. - # However, MPI-1 also did not define the Fortran 90 and 08 modules, so we only try the F77 header. - unset(MPI_Fortran_INTEGER_LINE) - if(NOT MPI_${LANG}_WORKS) - _MPI_try_staged_settings(${LANG} test_mpi F77_HEADER_NOKIND FALSE) - if(MPI_RESULT_${LANG}_test_mpi_F77_HEADER_NOKIND) - set(MPI_${LANG}_WORKS TRUE) - set(MPI_${LANG}_HAVE_F77_HEADER TRUE) - endif() - endif() - else() - _MPI_try_staged_settings(${LANG} test_mpi normal FALSE) - # If 'test_mpi' built correctly, we've found valid MPI settings. There might not be MPI-2 C++ support, but there can't - # be MPI-2 C++ support without the C bindings being present, so checking for them is sufficient. - set(MPI_${LANG}_WORKS "${MPI_RESULT_${LANG}_test_mpi_normal}") - endif() - endif() -endmacro() - -# Some systems install various MPI implementations in separate folders in some MPI prefix -# This macro enumerates all such subfolders and adds them to the list of hints that will be searched. -macro(MPI_search_mpi_prefix_folder PREFIX_FOLDER) - if(EXISTS "${PREFIX_FOLDER}") - file(GLOB _MPI_folder_children RELATIVE "${PREFIX_FOLDER}" "${PREFIX_FOLDER}/*") - foreach(_MPI_folder_child IN LISTS _MPI_folder_children) - if(IS_DIRECTORY "${PREFIX_FOLDER}/${_MPI_folder_child}") - list(APPEND MPI_HINT_DIRS "${PREFIX_FOLDER}/${_MPI_folder_child}") - endif() - endforeach() - endif() -endmacro() - -set(MPI_HINT_DIRS ${MPI_HOME} $ENV{MPI_HOME} $ENV{I_MPI_ROOT}) -if("${CMAKE_HOST_SYSTEM_NAME}" STREQUAL "Linux") - # SUSE Linux Enterprise Server stores its MPI implementations under /usr/lib64/mpi/gcc/<name> - # We enumerate the subfolders and append each as a prefix - MPI_search_mpi_prefix_folder("/usr/lib64/mpi/gcc") -elseif("${CMAKE_HOST_SYSTEM_NAME}" STREQUAL "Windows") - # MSMPI stores its runtime in a special folder, this adds the possible locations to the hints. - list(APPEND MPI_HINT_DIRS $ENV{MSMPI_BIN} "[HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\MPI;InstallRoot]") -elseif("${CMAKE_HOST_SYSTEM_NAME}" STREQUAL "FreeBSD") - # FreeBSD ships mpich under the normal system paths - but available openmpi implementations - # will be found in /usr/local/mpi/<name> - MPI_search_mpi_prefix_folder("/usr/local/mpi/") -endif() - -# Most MPI distributions have some form of mpiexec or mpirun which gives us something we can look for. -# The MPI standard does not mandate the existence of either, but instead only makes requirements if a distribution -# ships an mpiexec program (mpirun executables are not regulated by the standard). -find_program(MPIEXEC_EXECUTABLE - NAMES ${_MPIEXEC_NAMES} - PATH_SUFFIXES bin sbin - HINTS ${MPI_HINT_DIRS} - DOC "Executable for running MPI programs.") - -# call get_filename_component twice to remove mpiexec and the directory it exists in (typically bin). -# This gives us a fairly reliable base directory to search for /bin /lib and /include from. -get_filename_component(_MPI_BASE_DIR "${MPIEXEC_EXECUTABLE}" PATH) -get_filename_component(_MPI_BASE_DIR "${_MPI_BASE_DIR}" PATH) - -# According to the MPI standard, section 8.8 -n is a guaranteed, and the only guaranteed way to -# launch an MPI process using mpiexec if such a program exists. -set(MPIEXEC_NUMPROC_FLAG "-n" CACHE STRING "Flag used by MPI to specify the number of processes for mpiexec; the next option will be the number of processes.") -set(MPIEXEC_PREFLAGS "" CACHE STRING "These flags will be directly before the executable that is being run by mpiexec.") -set(MPIEXEC_POSTFLAGS "" CACHE STRING "These flags will be placed after all flags passed to mpiexec.") - -# Set the number of processes to the physical processor count -cmake_host_system_information(RESULT _MPIEXEC_NUMPROCS QUERY NUMBER_OF_PHYSICAL_CORES) -set(MPIEXEC_MAX_NUMPROCS "${_MPIEXEC_NUMPROCS}" CACHE STRING "Maximum number of processors available to run MPI applications.") -unset(_MPIEXEC_NUMPROCS) -mark_as_advanced(MPIEXEC_EXECUTABLE MPIEXEC_NUMPROC_FLAG MPIEXEC_PREFLAGS MPIEXEC_POSTFLAGS MPIEXEC_MAX_NUMPROCS) - -#============================================================================= -# Backward compatibility input hacks. Propagate the FindMPI hints to C and -# CXX if the respective new versions are not defined. Translate the old -# MPI_LIBRARY and MPI_EXTRA_LIBRARY to respective MPI_${LANG}_LIBRARIES. -# -# Once we find the new variables, we translate them back into their old -# equivalents below. -foreach (LANG IN ITEMS C CXX) - # Old input variables. - set(_MPI_OLD_INPUT_VARS COMPILER COMPILE_FLAGS INCLUDE_PATH LINK_FLAGS) - - # Set new vars based on their old equivalents, if the new versions are not already set. - foreach (var ${_MPI_OLD_INPUT_VARS}) - if (NOT MPI_${LANG}_${var} AND MPI_${var}) - set(MPI_${LANG}_${var} "${MPI_${var}}") - endif() - endforeach() - - # Chop the old compile flags into options and definitions - if(MPI_${LANG}_COMPILE_FLAGS) - unset(MPI_${LANG}_COMPILE_OPTIONS) - unset(MPI_${LANG}_COMPILE_DEFINITIONS) - separate_arguments(MPI_SEPARATE_FLAGS NATIVE_COMMAND "${MPI_${LANG}_COMPILE_FLAGS}") - foreach(_MPI_FLAG IN LISTS MPI_SEPARATE_FLAGS) - if("${_MPI_FLAG}" MATCHES "^ *[-/D]([^ ]+)") - list(APPEND MPI_${LANG}_COMPILE_DEFINITIONS "${CMAKE_MATCH_1}") - else() - list(APPEND MPI_${LANG}_COMPILE_FLAGS "${_MPI_FLAG}") - endif() - endforeach() - unset(MPI_SEPARATE_FLAGS) - endif() - - # If a list of libraries was given, we'll split it into new-style cache variables - if(NOT MPI_${LANG}_LIB_NAMES) - foreach(_MPI_LIB IN LISTS MPI_${LANG}_LIBRARIES MPI_LIBRARY MPI_EXTRA_LIBRARY) - get_filename_component(_MPI_PLAIN_LIB_NAME "${_MPI_LIB}" NAME_WE) - get_filename_component(_MPI_LIB_NAME "${_MPI_LIB}" NAME) - get_filename_component(_MPI_LIB_DIR "${_MPI_LIB}" DIRECTORY) - list(APPEND MPI_PLAIN_LIB_NAMES_WORK "${_MPI_PLAIN_LIB_NAME}") - find_library(MPI_${_MPI_PLAIN_LIB_NAME}_LIBRARY - NAMES "${_MPI_LIB_NAME}" "lib${_MPI_LIB_NAME}" - HINTS ${_MPI_LIB_DIR} $ENV{MPI_LIB} - DOC "Location of the ${_MPI_PLAIN_LIB_NAME} library for MPI" - ) - mark_as_advanced(MPI_${_MPI_PLAIN_LIB_NAME}_LIBRARY) - endforeach() - endif() -endforeach() -#============================================================================= - -unset(MPI_VERSION) -unset(MPI_VERSION_MAJOR) -unset(MPI_VERSION_MINOR) - -unset(_MPI_MIN_VERSION) - -# This loop finds the compilers and sends them off for interrogation. -foreach(LANG IN ITEMS C CXX Fortran) - if(CMAKE_${LANG}_COMPILER_LOADED) - if(NOT MPI_FIND_COMPONENTS) - set(_MPI_FIND_${LANG} TRUE) - elseif( ${LANG} IN_LIST MPI_FIND_COMPONENTS) - set(_MPI_FIND_${LANG} TRUE) - elseif( ${LANG} STREQUAL CXX AND NOT MPI_CXX_SKIP_MPICXX AND MPICXX IN_LIST MPI_FIND_COMPONENTS ) - set(_MPI_FIND_${LANG} TRUE) - else() - set(_MPI_FIND_${LANG} FALSE) - endif() - else() - set(_MPI_FIND_${LANG} FALSE) - endif() - if(_MPI_FIND_${LANG}) - if( ${LANG} STREQUAL CXX AND NOT MPICXX IN_LIST MPI_FIND_COMPONENTS ) - set(MPI_CXX_SKIP_MPICXX FALSE CACHE BOOL "If true, the MPI-2 C++ bindings are disabled using definitions.") - mark_as_advanced(MPI_CXX_SKIP_MPICXX) - endif() - if(NOT (MPI_${LANG}_LIB_NAMES AND (MPI_${LANG}_INCLUDE_PATH OR MPI_${LANG}_INCLUDE_DIRS OR MPI_${LANG}_ADDITIONAL_INCLUDE_DIRS))) - if(NOT MPI_${LANG}_COMPILER AND NOT MPI_ASSUME_NO_BUILTIN_MPI) - # Should the imported targets be empty, we effectively try whether the compiler supports MPI on its own, which is the case on e.g. - # Cray PrgEnv. - _MPI_create_imported_target(${LANG}) - _MPI_check_lang_works(${LANG}) - - # If the compiler can build MPI code on its own, it functions as an MPI compiler and we'll set the variable to point to it. - if(MPI_${LANG}_WORKS) - set(MPI_${LANG}_COMPILER "${CMAKE_${LANG}_COMPILER}" CACHE FILEPATH "MPI compiler for ${LANG}" FORCE) - endif() - endif() - - # If the user specified a library name we assume they prefer that library over a wrapper. If not, they can disable skipping manually. - if(NOT DEFINED MPI_SKIP_COMPILER_WRAPPER AND MPI_GUESS_LIBRARY_NAME) - set(MPI_SKIP_COMPILER_WRAPPER TRUE) - endif() - if(NOT MPI_SKIP_COMPILER_WRAPPER) - if(MPI_${LANG}_COMPILER) - # If the user supplies a compiler *name* instead of an absolute path, assume that we need to find THAT compiler. - if (NOT IS_ABSOLUTE "${MPI_${LANG}_COMPILER}") - # Get rid of our default list of names and just search for the name the user wants. - set(_MPI_${LANG}_COMPILER_NAMES "${MPI_${LANG}_COMPILER}") - unset(MPI_${LANG}_COMPILER CACHE) - endif() - # If the user specifies a compiler, we don't want to try to search libraries either. - set(MPI_PINNED_COMPILER TRUE) - else() - set(MPI_PINNED_COMPILER FALSE) - endif() - - # If we have an MPI base directory, we'll try all compiler names in that one first. - # This should prevent mixing different MPI environments - if(_MPI_BASE_DIR) - find_program(MPI_${LANG}_COMPILER - NAMES ${_MPI_${LANG}_COMPILER_NAMES} - PATH_SUFFIXES bin sbin - HINTS ${_MPI_BASE_DIR} - NO_DEFAULT_PATH - DOC "MPI compiler for ${LANG}" - ) - endif() - - # If the base directory did not help (for example because the mpiexec isn't in the same directory as the compilers), - # we shall try searching in the default paths. - find_program(MPI_${LANG}_COMPILER - NAMES ${_MPI_${LANG}_COMPILER_NAMES} - PATH_SUFFIXES bin sbin - DOC "MPI compiler for ${LANG}" - ) - - if(MPI_${LANG}_COMPILER STREQUAL CMAKE_${LANG}_COMPILER) - set(MPI_SKIP_GUESSING TRUE) - elseif(MPI_${LANG}_COMPILER) - _MPI_interrogate_compiler(${LANG}) - else() - set(MPI_${LANG}_WRAPPER_FOUND FALSE) - endif() - else() - set(MPI_${LANG}_WRAPPER_FOUND FALSE) - set(MPI_PINNED_COMPILER FALSE) - endif() - - if(NOT MPI_${LANG}_WRAPPER_FOUND AND NOT MPI_PINNED_COMPILER) - # For C++, we may use the settings for C. Should a given compiler wrapper for C++ not exist, but one for C does, we copy over the - # settings for C. An MPI distribution that is in this situation would be IBM Platform MPI. - if("${LANG}" STREQUAL "CXX" AND MPI_C_WRAPPER_FOUND) - set(MPI_${LANG}_COMPILE_OPTIONS ${MPI_C_COMPILE_OPTIONS} CACHE STRING "MPI ${LANG} compilation options" ) - set(MPI_${LANG}_COMPILE_DEFINITIONS ${MPI_C_COMPILE_DEFINITIONS} CACHE STRING "MPI ${LANG} compilation definitions" ) - set(MPI_${LANG}_ADDITIONAL_INCLUDE_DIRS ${MPI_C_INCLUDE_DIRS} CACHE STRING "MPI ${LANG} additional include directories") - set(MPI_${LANG}_LINK_FLAGS ${MPI_C_LINK_FLAGS} CACHE STRING "MPI ${LANG} linker flags" ) - set(MPI_${LANG}_LIB_NAMES ${MPI_C_LIB_NAMES} CACHE STRING "MPI ${LANG} libraries to link against" ) - set(MPI_${LANG}_WRAPPER_FOUND TRUE) - elseif(NOT MPI_SKIP_GUESSING) - _MPI_guess_settings(${LANG}) - endif() - endif() - endif() - - _MPI_split_include_dirs(${LANG}) - if(NOT MPI_${LANG}_COMPILER STREQUAL CMAKE_${LANG}_COMPILER) - _MPI_assemble_include_dirs(${LANG}) - _MPI_assemble_libraries(${LANG}) - endif() - _MPI_adjust_compile_definitions(${LANG}) - # We always create imported targets even if they're empty - _MPI_create_imported_target(${LANG}) - - if(NOT MPI_${LANG}_WORKS) - _MPI_check_lang_works(${LANG}) - endif() - - # Next, we'll initialize the MPI variables that have not been previously set. - set(MPI_${LANG}_COMPILE_OPTIONS "" CACHE STRING "MPI ${LANG} compilation flags" ) - set(MPI_${LANG}_COMPILE_DEFINITIONS "" CACHE STRING "MPI ${LANG} compilation definitions" ) - set(MPI_${LANG}_ADDITIONAL_INCLUDE_DIRS "" CACHE STRING "MPI ${LANG} additional include directories") - set(MPI_${LANG}_LINK_FLAGS "" CACHE STRING "MPI ${LANG} linker flags" ) - set(MPI_${LANG}_LIB_NAMES "" CACHE STRING "MPI ${LANG} libraries to link against" ) - mark_as_advanced(MPI_${LANG}_COMPILE_OPTIONS MPI_${LANG}_COMPILE_DEFINITIONS MPI_${LANG}_LINK_FLAGS - MPI_${LANG}_LIB_NAMES MPI_${LANG}_ADDITIONAL_INCLUDE_DIRS MPI_${LANG}_COMPILER) - - # If we've found MPI, then we'll perform additional analysis: Determine the MPI version, MPI library version, supported - # MPI APIs (i.e. MPI-2 C++ bindings). For Fortran we also need to find specific parameters if we're under MPI-3. - if(MPI_${LANG}_WORKS) - if("${LANG}" STREQUAL "CXX" AND NOT DEFINED MPI_MPICXX_FOUND) - if(NOT MPI_CXX_SKIP_MPICXX AND NOT MPI_CXX_VALIDATE_SKIP_MPICXX) - _MPI_try_staged_settings(${LANG} test_mpi MPICXX FALSE) - if(MPI_RESULT_${LANG}_test_mpi_MPICXX) - set(MPI_MPICXX_FOUND TRUE) - else() - set(MPI_MPICXX_FOUND FALSE) - endif() - else() - set(MPI_MPICXX_FOUND FALSE) - endif() - endif() - - # At this point, we know the bindings present but not the MPI version or anything else. - if(NOT DEFINED MPI_${LANG}_VERSION) - unset(MPI_${LANG}_VERSION_MAJOR) - unset(MPI_${LANG}_VERSION_MINOR) - endif() - set(MPI_BIN_FOLDER ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/FindMPI) - - # For Fortran, we'll want to use the most modern MPI binding to test capabilities other than the - # Fortran parameters, since those depend on the method of consumption. - # For C++, we can always use the C bindings, and should do so, since the C++ bindings do not exist in MPI-3 - # whereas the C bindings do, and the C++ bindings never offered any feature advantage over their C counterparts. - if("${LANG}" STREQUAL "Fortran") - if(MPI_${LANG}_HAVE_F08_MODULE) - set(MPI_${LANG}_HIGHEST_METHOD F08_MODULE) - elseif(MPI_${LANG}_HAVE_F90_MODULE) - set(MPI_${LANG}_HIGHEST_METHOD F90_MODULE) - else() - set(MPI_${LANG}_HIGHEST_METHOD F77_HEADER) - endif() - - # Another difference between C and Fortran is that we can't use the preprocessor to determine whether MPI_VERSION - # and MPI_SUBVERSION are provided. These defines did not exist in MPI 1.0 and 1.1 and therefore might not - # exist. For C/C++, test_mpi.c will handle the MPI_VERSION extraction, but for Fortran, we need mpiver.f90. - if(NOT DEFINED MPI_${LANG}_VERSION) - _MPI_try_staged_settings(${LANG} mpiver ${MPI_${LANG}_HIGHEST_METHOD} FALSE) - if(MPI_RESULT_${LANG}_mpiver_${MPI_${LANG}_HIGHEST_METHOD}) - file(STRINGS ${MPI_BIN_FOLDER}/mpiver_${LANG}.bin _MPI_VERSION_STRING LIMIT_COUNT 1 REGEX "INFO:MPI-VER") - if("${_MPI_VERSION_STRING}" MATCHES ".*INFO:MPI-VER\\[([0-9]+)\\.([0-9]+)\\].*") - set(MPI_${LANG}_VERSION_MAJOR "${CMAKE_MATCH_1}") - set(MPI_${LANG}_VERSION_MINOR "${CMAKE_MATCH_2}") - set(MPI_${LANG}_VERSION "${MPI_${LANG}_VERSION_MAJOR}.${MPI_${LANG}_VERSION_MINOR}") - endif() - endif() - endif() - - # Finally, we want to find out which capabilities a given interface supports, compare the MPI-3 standard. - # This is determined by interface specific parameters MPI_SUBARRAYS_SUPPORTED and MPI_ASYNC_PROTECTS_NONBLOCKING - # and might vary between the different methods of consumption. - if(MPI_DETERMINE_Fortran_CAPABILITIES AND NOT MPI_Fortran_CAPABILITIES_DETERMINED) - foreach(mpimethod IN ITEMS F08_MODULE F90_MODULE F77_HEADER) - if(MPI_${LANG}_HAVE_${mpimethod}) - set(MPI_${LANG}_${mpimethod}_SUBARRAYS FALSE) - set(MPI_${LANG}_${mpimethod}_ASYNCPROT FALSE) - _MPI_try_staged_settings(${LANG} fortranparam_mpi ${mpimethod} TRUE) - if(MPI_RESULT_${LANG}_fortranparam_mpi_${mpimethod} AND - NOT "${MPI_RUN_RESULT_${LANG}_fortranparam_mpi_${mpimethod}}" STREQUAL "FAILED_TO_RUN") - if("${MPI_RUN_OUTPUT_${LANG}_fortranparam_mpi_${mpimethod}}" MATCHES - ".*INFO:SUBARRAYS\\[ *([TF]) *\\]-ASYNCPROT\\[ *([TF]) *\\].*") - if("${CMAKE_MATCH_1}" STREQUAL "T") - set(MPI_${LANG}_${mpimethod}_SUBARRAYS TRUE) - endif() - if("${CMAKE_MATCH_2}" STREQUAL "T") - set(MPI_${LANG}_${mpimethod}_ASYNCPROT TRUE) - endif() - endif() - endif() - endif() - endforeach() - set(MPI_Fortran_CAPABILITIES_DETERMINED TRUE) - endif() - else() - set(MPI_${LANG}_HIGHEST_METHOD normal) - - # By the MPI-2 standard, MPI_VERSION and MPI_SUBVERSION are valid for both C and C++ bindings. - if(NOT DEFINED MPI_${LANG}_VERSION) - file(STRINGS ${MPI_BIN_FOLDER}/test_mpi_${LANG}.bin _MPI_VERSION_STRING LIMIT_COUNT 1 REGEX "INFO:MPI-VER") - if("${_MPI_VERSION_STRING}" MATCHES ".*INFO:MPI-VER\\[([0-9]+)\\.([0-9]+)\\].*") - set(MPI_${LANG}_VERSION_MAJOR "${CMAKE_MATCH_1}") - set(MPI_${LANG}_VERSION_MINOR "${CMAKE_MATCH_2}") - set(MPI_${LANG}_VERSION "${MPI_${LANG}_VERSION_MAJOR}.${MPI_${LANG}_VERSION_MINOR}") - endif() - endif() - endif() - - unset(MPI_BIN_FOLDER) - - # At this point, we have dealt with determining the MPI version and parameters for each Fortran method available. - # The one remaining issue is to determine which MPI library is installed. - # Determining the version and vendor of the MPI library is only possible via MPI_Get_library_version() at runtime, - # and therefore we cannot do this while cross-compiling (a user may still define MPI_<lang>_LIBRARY_VERSION_STRING - # themselves and we'll attempt splitting it, which is equivalent to provide the try_run output). - # It's also worth noting that the installed version string can depend on the language, or on the system the binary - # runs on if MPI is not statically linked. - if(MPI_DETERMINE_LIBRARY_VERSION AND NOT MPI_${LANG}_LIBRARY_VERSION_STRING) - _MPI_try_staged_settings(${LANG} libver_mpi ${MPI_${LANG}_HIGHEST_METHOD} TRUE) - if(MPI_RESULT_${LANG}_libver_mpi_${MPI_${LANG}_HIGHEST_METHOD} AND - "${MPI_RUN_RESULT_${LANG}_libver_mpi_${MPI_${LANG}_HIGHEST_METHOD}}" EQUAL "0") - string(STRIP "${MPI_RUN_OUTPUT_${LANG}_libver_mpi_${MPI_${LANG}_HIGHEST_METHOD}}" - MPI_${LANG}_LIBRARY_VERSION_STRING) - else() - set(MPI_${LANG}_LIBRARY_VERSION_STRING "NOTFOUND") - endif() - endif() - endif() - - set(MPI_${LANG}_FIND_QUIETLY ${MPI_FIND_QUIETLY}) - set(MPI_${LANG}_FIND_VERSION ${MPI_FIND_VERSION}) - set(MPI_${LANG}_FIND_VERSION_EXACT ${MPI_FIND_VERSION_EXACT}) - - unset(MPI_${LANG}_REQUIRED_VARS) - if (MPI_${LANG}_WRAPPER_FOUND OR MPI_${LANG}_GUESS_FOUND) - foreach(mpilibname IN LISTS MPI_${LANG}_LIB_NAMES) - list(APPEND MPI_${LANG}_REQUIRED_VARS "MPI_${mpilibname}_LIBRARY") - endforeach() - list(APPEND MPI_${LANG}_REQUIRED_VARS "MPI_${LANG}_LIB_NAMES") - if("${LANG}" STREQUAL "Fortran") - # For Fortran we only need one of the module or header directories to have *some* support for MPI. - if(NOT MPI_${LANG}_MODULE_DIR) - list(APPEND MPI_${LANG}_REQUIRED_VARS "MPI_${LANG}_F77_HEADER_DIR") - endif() - if(NOT MPI_${LANG}_F77_HEADER_DIR) - list(APPEND MPI_${LANG}_REQUIRED_VARS "MPI_${LANG}_MODULE_DIR") - endif() - else() - list(APPEND MPI_${LANG}_REQUIRED_VARS "MPI_${LANG}_HEADER_DIR") - endif() - if(MPI_${LANG}_ADDITIONAL_INCLUDE_VARS) - foreach(mpiincvar IN LISTS MPI_${LANG}_ADDITIONAL_INCLUDE_VARS) - list(APPEND MPI_${LANG}_REQUIRED_VARS "MPI_${mpiincvar}_INCLUDE_DIR") - endforeach() - endif() - # Append the works variable now. If the settings did not work, this will show up properly. - list(APPEND MPI_${LANG}_REQUIRED_VARS "MPI_${LANG}_WORKS") - else() - # If the compiler worked implicitly, use its path as output. - # Should the compiler variable be set, we also require it to work. - list(APPEND MPI_${LANG}_REQUIRED_VARS "MPI_${LANG}_COMPILER") - if(MPI_${LANG}_COMPILER) - list(APPEND MPI_${LANG}_REQUIRED_VARS "MPI_${LANG}_WORKS") - endif() - endif() - find_package_handle_standard_args(MPI_${LANG} REQUIRED_VARS ${MPI_${LANG}_REQUIRED_VARS} - VERSION_VAR MPI_${LANG}_VERSION) - - if(DEFINED MPI_${LANG}_VERSION) - if(NOT _MPI_MIN_VERSION OR _MPI_MIN_VERSION VERSION_GREATER MPI_${LANG}_VERSION) - set(_MPI_MIN_VERSION MPI_${LANG}_VERSION) - endif() - endif() - endif() -endforeach() - -unset(_MPI_REQ_VARS) -foreach(LANG IN ITEMS C CXX Fortran) - if((NOT MPI_FIND_COMPONENTS AND CMAKE_${LANG}_COMPILER_LOADED) OR LANG IN_LIST MPI_FIND_COMPONENTS) - list(APPEND _MPI_REQ_VARS "MPI_${LANG}_FOUND") - endif() -endforeach() - -if(MPICXX IN_LIST MPI_FIND_COMPONENTS) - list(APPEND _MPI_REQ_VARS "MPI_MPICXX_FOUND") -endif() - -find_package_handle_standard_args(MPI - REQUIRED_VARS ${_MPI_REQ_VARS} - VERSION_VAR ${_MPI_MIN_VERSION} - HANDLE_COMPONENTS) - -#============================================================================= -# More backward compatibility stuff - -# For compatibility reasons, we also define MPIEXEC -set(MPIEXEC "${MPIEXEC_EXECUTABLE}") - -# Copy over MPI_<LANG>_INCLUDE_PATH from the assembled INCLUDE_DIRS. -foreach(LANG IN ITEMS C CXX Fortran) - if(MPI_${LANG}_FOUND) - set(MPI_${LANG}_INCLUDE_PATH "${MPI_${LANG}_INCLUDE_DIRS}") - unset(MPI_${LANG}_COMPILE_FLAGS) - if(MPI_${LANG}_COMPILE_OPTIONS) - set(MPI_${LANG}_COMPILE_FLAGS "${MPI_${LANG}_COMPILE_OPTIONS}") - endif() - if(MPI_${LANG}_COMPILE_DEFINITIONS) - foreach(_MPI_DEF IN LISTS MPI_${LANG}_COMPILE_DEFINITIONS) - string(APPEND MPI_${LANG}_COMPILE_FLAGS " -D${_MPI_DEF}") - endforeach() - endif() - endif() -endforeach() - -# Bare MPI sans ${LANG} vars are set to CXX then C, depending on what was found. -# This mimics the behavior of the old language-oblivious FindMPI. -set(_MPI_OLD_VARS COMPILER INCLUDE_PATH COMPILE_FLAGS LINK_FLAGS LIBRARIES) -if (MPI_CXX_FOUND) - foreach (var ${_MPI_OLD_VARS}) - set(MPI_${var} ${MPI_CXX_${var}}) - endforeach() -elseif (MPI_C_FOUND) - foreach (var ${_MPI_OLD_VARS}) - set(MPI_${var} ${MPI_C_${var}}) - endforeach() -endif() - -# Chop MPI_LIBRARIES into the old-style MPI_LIBRARY and MPI_EXTRA_LIBRARY, and set them in cache. -if (MPI_LIBRARIES) - list(GET MPI_LIBRARIES 0 MPI_LIBRARY_WORK) - set(MPI_LIBRARY "${MPI_LIBRARY_WORK}") - unset(MPI_LIBRARY_WORK) -else() - set(MPI_LIBRARY "MPI_LIBRARY-NOTFOUND") -endif() - -list(LENGTH MPI_LIBRARIES MPI_NUMLIBS) -if (MPI_NUMLIBS GREATER 1) - set(MPI_EXTRA_LIBRARY_WORK "${MPI_LIBRARIES}") - list(REMOVE_AT MPI_EXTRA_LIBRARY_WORK 0) - set(MPI_EXTRA_LIBRARY "${MPI_EXTRA_LIBRARY_WORK}") - unset(MPI_EXTRA_LIBRARY_WORK) -else() - set(MPI_EXTRA_LIBRARY "MPI_EXTRA_LIBRARY-NOTFOUND") -endif() -#============================================================================= - -# unset these vars to cleanup namespace -unset(_MPI_OLD_VARS) -unset(_MPI_PREFIX_PATH) -unset(_MPI_BASE_DIR) -foreach (lang C CXX Fortran) - unset(_MPI_${LANG}_COMPILER_NAMES) -endforeach() - -cmake_policy(POP) |