ENH: add new version of FindMPI, fix it to work with MPICH2 on windows
This commit is contained in:
Bill Hoffman
parent
845563d575
commit
29fe247016
|
|
@ -1,43 +1,229 @@
|
||||||
# - Find MPI
|
# This module looks for the Message Passing Interface (MPI).
|
||||||
# This module looks for MPI (Message Passing Interface) support
|
#
|
||||||
# it will define the following values
|
# This module will set the following variables:
|
||||||
# MPI_INCLUDE_PATH = where mpi.h can be found
|
# MPI_FOUND TRUE if we have found MPI
|
||||||
# MPI_LIBRARY = the library to link in (mpi mpich etc)
|
# 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.
|
||||||
|
|
||||||
FIND_PATH(MPI_INCLUDE_PATH NAMES mpi.h
|
# Try to find the MPI driver program
|
||||||
PATH_SUFFIXES mpi mpi/include
|
find_program(MPICXX
|
||||||
PATHS
|
NAMES mpic++ mpicxx mpiCC
|
||||||
"$ENV{ProgramFiles}/MPICH/SDK/Include"
|
DOC "MPI C++ compiler. Used only to detect MPI compilation flags.")
|
||||||
"$ENV{ProgramFiles}/MPICH2/include"
|
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 ${MPI_LIBRARIES} CACHE STRING "MPI libraries to link against, separated by semicolons" FORCE)
|
||||||
|
endif (NOT MPI_FORCE_RECONFIGURE)
|
||||||
|
else (MPI_COMPILE_CMDLINE)
|
||||||
|
find_path(MPI_INCLUDE_PATH mpi.h
|
||||||
|
/usr/local/include
|
||||||
|
/usr/include
|
||||||
|
/usr/include/mpi
|
||||||
|
/usr/local/mpi/include
|
||||||
"C:/Program Files/MPICH/SDK/Include"
|
"C:/Program Files/MPICH/SDK/Include"
|
||||||
)
|
"$ENV{SystemDrive}/Program Files/MPICH2/include"
|
||||||
|
"C:/Program Files/Microsoft Compute Cluster Pack/Include"
|
||||||
|
)
|
||||||
|
|
||||||
FIND_LIBRARY(MPI_LIBRARY
|
# TODO: How do we know whether we're building 32-bit vs. 64-bit?
|
||||||
NAMES mpich2 mpi mpich mpich.rts
|
find_library(MPI_LIBRARY
|
||||||
PATH_SUFFIXES mpi/lib
|
NAMES mpi mpich
|
||||||
PATHS
|
PATHS /usr/lib /usr/local/lib /usr/local/mpi/lib
|
||||||
"$ENV{ProgramFiles}/MPICH/SDK/Lib"
|
|
||||||
"$ENV{ProgramFiles}/MPICH2/Lib"
|
|
||||||
"C:/Program Files/MPICH/SDK/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
|
find_library(MPI_EXTRA_LIBRARY
|
||||||
NAMES mpi++
|
NAMES mpi++
|
||||||
PATH_SUFFIXES mpi/lib
|
PATHS /usr/lib /usr/local/lib /usr/local/mpi/lib
|
||||||
PATHS
|
|
||||||
"$ENV{ProgramFiles}/MPICH/SDK/Lib"
|
|
||||||
"C:/Program Files/MPICH/SDK/Lib"
|
"C:/Program Files/MPICH/SDK/Lib"
|
||||||
DOC "If a second mpi library is necessary, specify it here.")
|
"C:/Program Files/Microsoft Compute Cluster Pack/Lib/i386"
|
||||||
|
DOC "If a second MPI library is necessary, specify it here.")
|
||||||
|
|
||||||
|
set(MPI_COMPILE_FLAGS "" CACHE STRING "MPI compilation flags")
|
||||||
|
set(MPI_LINK_FLAGS "" CACHE STRING "MPI linking flags")
|
||||||
|
|
||||||
|
if (MPI_EXTRA_LIBRARY)
|
||||||
|
set(MPI_LIBRARIES "${MPI_LIBRARY};${MPI_EXTRA_LIBRARY}" CACHE STRING "MPI libraries to link against, separated by semicolons")
|
||||||
|
else (MPI_EXTRA_LIBRARY)
|
||||||
|
set(MPI_LIBRARIES ${MPI_LIBRARY} CACHE STRING "MPI libraries to link against, separated by semicolons")
|
||||||
|
endif (MPI_EXTRA_LIBRARY)
|
||||||
|
|
||||||
|
if (MPI_LIBRARY)
|
||||||
|
set(MPI_FOUND TRUE CACHE INTERNAL "Whether MPI was found" FORCE)
|
||||||
|
else (MPI_LIBRARY)
|
||||||
|
set(MPI_FOUND FALSE CACHE INTERNAL "Whether MPI was found" FORCE)
|
||||||
|
endif (MPI_LIBRARY)
|
||||||
|
endif (NOT MPI_FORCE_RECONFIGURE)
|
||||||
|
|
||||||
# on BlueGene/L the MPI lib is named libmpich.rts.a, there also these additional libs are required
|
# on BlueGene/L the MPI lib is named libmpich.rts.a, there also these additional libs are required
|
||||||
IF("${MPI_LIBRARY}" MATCHES "mpich.rts")
|
if("${MPI_LIBRARY}" MATCHES "mpich.rts")
|
||||||
SET(MPI_EXTRA_LIBRARY msglayer.rts devices.rts rts.rts devices.rts CACHE STRING "Additional MPI libs" FORCE)
|
set(MPI_EXTRA_LIBRARY ${MPI_EXTRA_LIBRARY} msglayer.rts devices.rts rts.rts devices.rts)
|
||||||
ENDIF("${MPI_LIBRARY}" MATCHES "mpich.rts")
|
set(MPI_LIBRARY ${MPI_LIBRARY} msglayer.rts devices.rts rts.rts devices.rts)
|
||||||
|
endif("${MPI_LIBRARY}" MATCHES "mpich.rts")
|
||||||
|
|
||||||
INCLUDE(FindPackageHandleStandardArgs)
|
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")
|
||||||
|
|
||||||
# handle the QUIETLY and REQUIRED arguments and set LIBXML2_FOUND to TRUE if
|
include(FindPackageHandleStandardArgs)
|
||||||
# all listed variables are TRUE
|
# handle the QUIETLY and REQUIRED arguments
|
||||||
FIND_PACKAGE_HANDLE_STANDARD_ARGS(MPI DEFAULT_MSG MPI_LIBRARY MPI_INCLUDE_PATH)
|
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)
|
||||||
MARK_AS_ADVANCED(MPI_INCLUDE_PATH MPI_LIBRARY MPI_EXTRA_LIBRARY)
|
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue