[Cmake-commits] [cmake-commits] hoffman committed FindMPI.cmake 1.14 1.15
cmake-commits at cmake.org
cmake-commits at cmake.org
Fri Mar 7 19:58:31 EST 2008
Update of /cvsroot/CMake/CMake/Modules
In directory public:/mounts/ram/cvs-serv31336
Modified Files:
FindMPI.cmake
Log Message:
ENH: add new version of FindMPI, fix it to work with MPICH2 on windows
Index: FindMPI.cmake
===================================================================
RCS file: /cvsroot/CMake/CMake/Modules/FindMPI.cmake,v
retrieving revision 1.14
retrieving revision 1.15
diff -C 2 -d -r1.14 -r1.15
*** FindMPI.cmake 6 Aug 2007 15:02:58 -0000 1.14
--- FindMPI.cmake 8 Mar 2008 00:58:29 -0000 1.15
***************
*** 1,43 ****
! # - Find MPI
! # This module looks for MPI (Message Passing Interface) support
! # it will define the following values
! # MPI_INCLUDE_PATH = where mpi.h can be found
! # MPI_LIBRARY = the library to link in (mpi mpich etc)
! FIND_PATH(MPI_INCLUDE_PATH NAMES mpi.h
! PATH_SUFFIXES mpi mpi/include
! PATHS
! "$ENV{ProgramFiles}/MPICH/SDK/Include"
! "$ENV{ProgramFiles}/MPICH2/include"
! "C:/Program Files/MPICH/SDK/Include"
! )
! FIND_LIBRARY(MPI_LIBRARY
! NAMES mpich2 mpi mpich mpich.rts
! PATH_SUFFIXES mpi/lib
! PATHS
! "$ENV{ProgramFiles}/MPICH/SDK/Lib"
! "$ENV{ProgramFiles}/MPICH2/Lib"
! "C:/Program Files/MPICH/SDK/Lib"
! )
! FIND_LIBRARY(MPI_EXTRA_LIBRARY
! NAMES mpi++
! PATH_SUFFIXES mpi/lib
! PATHS
! "$ENV{ProgramFiles}/MPICH/SDK/Lib"
! "C:/Program Files/MPICH/SDK/Lib"
! DOC "If a second mpi library is necessary, specify it here.")
! # on BlueGene/L the MPI lib is named libmpich.rts.a, there also these additional libs are required
! IF("${MPI_LIBRARY}" MATCHES "mpich.rts")
! SET(MPI_EXTRA_LIBRARY msglayer.rts devices.rts rts.rts devices.rts CACHE STRING "Additional MPI libs" FORCE)
! ENDIF("${MPI_LIBRARY}" MATCHES "mpich.rts")
! INCLUDE(FindPackageHandleStandardArgs)
! # handle the QUIETLY and REQUIRED arguments and set LIBXML2_FOUND to TRUE if
! # all listed variables are TRUE
! FIND_PACKAGE_HANDLE_STANDARD_ARGS(MPI DEFAULT_MSG MPI_LIBRARY MPI_INCLUDE_PATH)
! MARK_AS_ADVANCED(MPI_INCLUDE_PATH MPI_LIBRARY MPI_EXTRA_LIBRARY)
--- 1,229 ----
! # This module looks for the Message Passing Interface (MPI).
! #
! # This module will set the following variables:
! # MPI_FOUND TRUE if we have found MPI
! # MPI_COMPILE_FLAGS Compilation flags for MPI programs
! # MPI_INCLUDE_PATH Include path for MPI header
! # MPI_LINK_FLAGS Linking flags for MPI programs
! # MPI_LIBRARIES Libraries to link MPI programs against
! # MPI_LIBRARY Deprecated; first MPI library to link against
! # MPI_EXTRA_LIBRARY Deprecated; second MPI library to link against
! # MPIEXEC Executable for running MPI programs
! #
! # This module will attempt to auto-detect these settings, first by
! # looking for a C++ MPI driver (e.g., mpic++, mpiCC, or mpicxx; set by
! # MPICXX) and later by checking common MPI paths and library names.
! # Try to find the MPI driver program
! find_program(MPICXX
! NAMES mpic++ mpicxx mpiCC
! DOC "MPI C++ compiler. Used only to detect MPI compilation flags.")
! mark_as_advanced(MPICXX)
! find_program(MPIEXEC
! NAMES mpiexec mpirun
! DOC "Executable for running MPI programs.")
! mark_as_advanced(MPIEXEC)
! if (NOT OLD_MPICXX STREQUAL MPICXX)
! set(MPI_FORCE_RECONFIGURE TRUE)
! set(OLD_MPICXX ${MPICXX} CACHE INTERNAL "Previous value of MPICXX" FORCE)
! endif (NOT OLD_MPICXX STREQUAL MPICXX)
!
! if (NOT MPICXX)
! # If there is no MPI C++ compiler, we force ourselves to configure
! # MPI the old way.
! set(MPI_FORCE_RECONFIGURE TRUE)
! endif (NOT MPICXX)
! if (MPICXX)
! # Check whether the -showme:compile option works. This indicates
! # that we have either Open MPI or a newer version of LAM-MPI, and
! # implies that -showme:link will also work.
! exec_program(${MPICXX}
! ARGS -showme:compile
! OUTPUT_VARIABLE MPI_COMPILE_CMDLINE
! RETURN_VALUE MPICXX_RETURN)
! if (MPICXX_RETURN EQUAL 0)
! # If we appear to have -showme:compile, then we should also have
! # -showme:link. Try it.
! exec_program(${MPICXX}
! ARGS -showme:link
! OUTPUT_VARIABLE MPI_LINK_CMDLINE
! RETURN_VALUE MPICXX_RETURN)
! endif (MPICXX_RETURN EQUAL 0)
! if (MPICXX_RETURN EQUAL 0)
! # Do nothing: we have our command lines now
! else (MPICXX_RETURN EQUAL 0)
! # Older versions of LAM-MPI have "-showme". Try it.
! exec_program(${MPICXX}
! ARGS -showme
! OUTPUT_VARIABLE MPI_COMPILE_CMDLINE
! RETURN_VALUE MPICXX_RETURN)
! endif (MPICXX_RETURN EQUAL 0)
! if (MPICXX_RETURN EQUAL 0)
! # Do nothing: we have our command lines now
! else (MPICXX_RETURN EQUAL 0)
! # MPICH uses "-show". Try it.
! exec_program(${MPICXX}
! ARGS -show
! OUTPUT_VARIABLE MPI_COMPILE_CMDLINE
! RETURN_VALUE MPICXX_RETURN)
! endif (MPICXX_RETURN EQUAL 0)
!
! if (MPICXX_RETURN EQUAL 0)
! # We have our command lines, but we might need to copy
! # MPI_COMPILE_CMDLINE into MPI_LINK_CMDLINE, if the underlying
! if (NOT MPI_LINK_CMDLINE)
! SET(MPI_LINK_CMDLINE ${MPI_COMPILE_CMDLINE})
! endif (NOT MPI_LINK_CMDLINE)
! else (MPICXX_RETURN EQUAL 0)
! message(STATUS "Unable to determine MPI from MPI driver ${MPICXX}")
! endif (MPICXX_RETURN EQUAL 0)
! endif (MPICXX)
!
! if (NOT MPI_FORCE_RECONFIGURE)
! # We don't actually have to reconfigure anything
! elseif (MPI_COMPILE_CMDLINE)
! # Extract compile flags from the compile command line.
! string(REGEX MATCHALL "-D([^\" ]+|\"[^\"]+\")" MPI_ALL_COMPILE_FLAGS ${MPI_COMPILE_CMDLINE})
! set(MPI_COMPILE_FLAGS_WORK)
! foreach(FLAG ${MPI_ALL_COMPILE_FLAGS})
! if (MPI_COMPILE_FLAGS_WORK)
! set(MPI_COMPILE_FLAGS_WORK "${MPI_COMPILE_FLAGS_WORK} ${FLAG}")
! else(MPI_COMPILE_FLAGS_WORK)
! set(MPI_COMPILE_FLAGS_WORK ${FLAG})
! endif(MPI_COMPILE_FLAGS_WORK)
! endforeach(FLAG)
!
! # Extract include paths from compile command line
! string(REGEX MATCH "-I([^\" ]+|\"[^\"]+\")" MPI_INCLUDE_PATH ${MPI_COMPILE_CMDLINE})
! string(REGEX REPLACE "^-I" "" MPI_INCLUDE_PATH ${MPI_INCLUDE_PATH})
! string(REGEX REPLACE "//" "/" MPI_INCLUDE_PATH ${MPI_INCLUDE_PATH})
!
! # Extract linker paths from the link command line
! string(REGEX MATCH "-L([^\" ]+|\"[^\"]+\")" MPI_LINK_PATH ${MPI_LINK_CMDLINE})
! string(REGEX REPLACE "^-L" "" MPI_LINK_PATH ${MPI_LINK_PATH})
! string(REGEX REPLACE "//" "/" MPI_LINK_PATH ${MPI_LINK_PATH})
!
! # Extract linker flags from the link command line
! string(REGEX MATCHALL "-Wl,([^\" ]+|\"[^\"]+\")" MPI_ALL_LINK_FLAGS ${MPI_LINK_CMDLINE})
! set(MPI_LINK_FLAGS_WORK)
! foreach(FLAG ${MPI_ALL_LINK_FLAGS})
! if (MPI_LINK_FLAGS_WORK)
! set(MPI_LINK_FLAGS_WORK "${MPI_LINK_FLAGS_WORK} ${FLAG}")
! else(MPI_LINK_FLAGS_WORK)
! set(MPI_LINK_FLAGS_WORK ${FLAG})
! endif(MPI_LINK_FLAGS_WORK)
! endforeach(FLAG)
!
! # Extract the set of libraries to link against from the link command
! # line
! string(REGEX MATCHALL "-l([^\" ]+|\"[^\"]+\")" MPI_LIBNAMES ${MPI_LINK_CMDLINE})
!
! # Determine full path names for all of the libraries that one needs
! # to link against in an MPI program
! set(MPI_LIBRARIES)
! foreach(LIB ${MPI_LIBNAMES})
! string(REGEX REPLACE "^-l" "" LIB ${LIB})
! set(MPI_LIB "MPI_LIB-NOTFOUND" CACHE FILEPATH "Cleared" FORCE)
! find_library(MPI_LIB ${LIB} PATHS ${MPI_LINK_PATH})
! if (MPI_LIB)
! list(APPEND MPI_LIBRARIES ${MPI_LIB})
! else (MPI_LIB)
! status(ERROR "Unable to find MPI library ${LIB}")
! endif (MPI_LIB)
! endforeach(LIB)
! set(MPI_LIB "MPI_LIB-NOTFOUND" CACHE INTERNAL "Scratch variable for MPI detection" FORCE)
!
! # Chop MPI_LIBRARIES into the old-style MPI_LIBRARY and
! # MPI_EXTRA_LIBRARY.
! list(LENGTH MPI_LIBRARIES MPI_NUMLIBS)
! if (MPI_NUMLIBS GREATER 0)
! list(GET MPI_LIBRARIES 0 MPI_LIBRARY)
! else (MPI_NUMLIBS GREATER 0)
! set(MPI_LIBRARY "MPI_LIBRARY-NOTFOUND")
! endif (MPI_NUMLIBS GREATER 0)
! if (MPI_NUMLIBS GREATER 1)
! cdr(MPI_EXTRA_LIBRARY ${MPI_LIBRARIES})
! else (MPI_NUMLIBS GREATER 1)
! set(MPI_EXTRA_LIBRARY "MPI_EXTRA_LIBRARY-NOTFOUND")
! endif (MPI_NUMLIBS GREATER 1)
!
! # Set up all of the appropriate cache entries
! set(MPI_FOUND TRUE CACHE INTERNAL "Whether MPI was found" FORCE)
!
! if (NOT MPI_FORCE_RECONFIGURE)
! set(MPI_COMPILE_FLAGS ${MPI_COMPILE_FLAGS_WORK} CACHE STRING "MPI compilation flags")
! set(MPI_INCLUDE_PATH ${MPI_INCLUDE_PATH} CACHE STRING "MPI include path")
! set(MPI_LINK_FLAGS ${MPI_LINK_FLAGS_WORK} CACHE STRING "MPI linking flags")
! set(MPI_LIBRARIES ${MPI_LIBRARIES} CACHE STRING "MPI libraries to link against, separated by semicolons")
! else (NOT MPI_FORCE_RECONFIGURE)
! set(MPI_COMPILE_FLAGS ${MPI_COMPILE_FLAGS_WORK} CACHE STRING "MPI compilation flags" FORCE)
! set(MPI_INCLUDE_PATH ${MPI_INCLUDE_PATH} CACHE STRING "MPI include path" FORCE)
! set(MPI_LINK_FLAGS ${MPI_LINK_FLAGS_WORK} CACHE STRING "MPI linking flags" FORCE)
! set(MPI_LIBRARIES ${MPI_LIBRARIES} CACHE STRING "MPI libraries to link against, separated by semicolons" FORCE)
! endif (NOT MPI_FORCE_RECONFIGURE)
! else (MPI_COMPILE_CMDLINE)
! find_path(MPI_INCLUDE_PATH mpi.h
! /usr/local/include
! /usr/include
! /usr/include/mpi
! /usr/local/mpi/include
! "C:/Program Files/MPICH/SDK/Include"
! "$ENV{SystemDrive}/Program Files/MPICH2/include"
! "C:/Program Files/Microsoft Compute Cluster Pack/Include"
! )
!
! # TODO: How do we know whether we're building 32-bit vs. 64-bit?
! find_library(MPI_LIBRARY
! NAMES mpi mpich
! PATHS /usr/lib /usr/local/lib /usr/local/mpi/lib
! "C:/Program Files/MPICH/SDK/Lib"
! "$ENV{SystemDrive}/Program Files/MPICH/SDK/Lib"
! "C:/Program Files/Microsoft Compute Cluster Pack/Lib/i386"
! )
! find_library(MPI_LIBRARY
! NAMES mpich2
! PATHS
! "$ENV{SystemDrive}/Program Files/MPICH2/Lib")
!
! find_library(MPI_EXTRA_LIBRARY
! NAMES mpi++
! PATHS /usr/lib /usr/local/lib /usr/local/mpi/lib
! "C:/Program Files/MPICH/SDK/Lib"
! "C:/Program Files/Microsoft Compute Cluster Pack/Lib/i386"
! DOC "If a second MPI library is necessary, specify it here.")
!
! set(MPI_COMPILE_FLAGS "" CACHE STRING "MPI compilation flags")
! set(MPI_LINK_FLAGS "" CACHE STRING "MPI linking flags")
!
! if (MPI_EXTRA_LIBRARY)
! set(MPI_LIBRARIES "${MPI_LIBRARY};${MPI_EXTRA_LIBRARY}" CACHE STRING "MPI libraries to link against, separated by semicolons")
! else (MPI_EXTRA_LIBRARY)
! set(MPI_LIBRARIES ${MPI_LIBRARY} CACHE STRING "MPI libraries to link against, separated by semicolons")
! endif (MPI_EXTRA_LIBRARY)
!
! if (MPI_LIBRARY)
! set(MPI_FOUND TRUE CACHE INTERNAL "Whether MPI was found" FORCE)
! else (MPI_LIBRARY)
! set(MPI_FOUND FALSE CACHE INTERNAL "Whether MPI was found" FORCE)
! endif (MPI_LIBRARY)
! endif (NOT MPI_FORCE_RECONFIGURE)
!
! # on BlueGene/L the MPI lib is named libmpich.rts.a, there also these additional libs are required
! if("${MPI_LIBRARY}" MATCHES "mpich.rts")
! set(MPI_EXTRA_LIBRARY ${MPI_EXTRA_LIBRARY} msglayer.rts devices.rts rts.rts devices.rts)
! set(MPI_LIBRARY ${MPI_LIBRARY} msglayer.rts devices.rts rts.rts devices.rts)
! endif("${MPI_LIBRARY}" MATCHES "mpich.rts")
!
! set(MPI_LIBRARY ${MPI_LIBRARY} CACHE INTERNAL "MPI library to link against. Deprecated: use MPI_LIBRARIES instead")
! set(MPI_EXTRA_LIBRARY ${MPI_EXTRA_LIBRARY} CACHE INTERNAL "Second MPI library to link against. Deprecated: use MPI_LIBRARIES instead")
!
! include(FindPackageHandleStandardArgs)
! # handle the QUIETLY and REQUIRED arguments
! find_package_handle_standard_args(MPI DEFAULT_MSG MPI_LIBRARY MPI_INCLUDE_PATH)
! mark_as_advanced(MPI_INCLUDE_PATH MPI_COMPILE_FLAGS MPI_LINK_FLAGS MPI_LIBRARIES)
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