mirror of https://github.com/QMCPACK/qmcpack.git
66 lines
1.8 KiB
CMake
Executable File
66 lines
1.8 KiB
CMake
Executable File
#
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# this module look sfor MPI (Message Passing Interface) support
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# it will define the following values
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#
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# MPI_INCLUDE_PATH = where mpi.h can be found
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# MPI_LIBRARY = the library to link against (mpi mpich etc)
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#
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IF(${CMAKE_SYSTEM_NAME} MATCHES "AIX")
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IF($ENV{MPICXX} MATCHES "mpCC")
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SET(HAVE_MPI 1)
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SET(HAVE_OOMPI 1)
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MESSAGE(STATUS "Using mpCC to enable MPI")
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ELSE($ENV{MPICXX} MATCHES "mpCC")
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MESSAGE(FATAL_ERROR "set environment variable CXX to mpCC/mpCC_r for MPI")
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ENDIF($ENV{MPICXX} MATCHES "mpCC")
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ELSE(${CMAKE_SYSTEM_NAME} MATCHES "AIX")
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#first, check if vmi is installed: typical linux clusters at NCSA
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FIND_PATH(MPI_INCLUDE_PATH mpi.h
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/usr/local/vmi/mpich/include
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)
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IF(MPI_INCLUDE_PATH)
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IF(INTEL_COMPILER)
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FIND_LIBRARY(MPI_LIBRARY
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mpich
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/usr/local/vmi/mpich/lib/intel
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/usr/local/vmi/mpich/lib/icc
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)
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ELSE(INTEL_COMPILER)
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FIND_LIBRARY(MPI_LIBRARY mpich
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/usr/local/vmi/mpich/lib/gcc
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)
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ENDIF(INTEL_COMPILER)
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#IF(MPI_LIBRARY)
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# SET(MPI_LIBRARY ${MPI_LIBRARY} "-lvmi -ldl -lpthread")
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#ENDIF(MPI_LIBRARY)
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ENDIF(MPI_INCLUDE_PATH)
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MARK_AS_ADVANCED(MPI_INCLUDE_PATH MPI_LIBRARY)
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#vmi is not found. Search for the conventional mpi installation
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IF(NOT MPI_LIBRARY)
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INCLUDE(${CMAKE_ROOT}/Modules/FindMPI.cmake)
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ENDIF(NOT MPI_LIBRARY)
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ENDIF(${CMAKE_SYSTEM_NAME} MATCHES "AIX")
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IF(MPI_LIBRARY)
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INCLUDE_DIRECTORIES(${MPI_INCLUDE_PATH})
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SET(HAVE_MPI 1)
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SET(HAVE_OOMPI 1)
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SET(FOUND_MPI 1 CACHE BOOL "Found mpi library to link")
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ELSE(MPI_LIBRARY)
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IF($ENV{CXX} MATCHES "mpi")
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SET(HAVE_MPI 1)
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SET(HAVE_OOMPI 1)
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SET(FOUND_MPI 0 CACHE BOOL "No need to link mpi library to link")
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ENDIF($ENV{CXX} MATCHES "mpi")
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ENDIF(MPI_LIBRARY)
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