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PROJECT(mpi4py)
IF (PARAVIEW_ENABLE_PYTHON AND PARAVIEW_USE_MPI AND NOT WIN32)
OPTION(ENABLE_MPI4PY "Build mpi4py support to allow python filters to use mpi calls" ON)
IF(ENABLE_MPI4PY)
#-----------------------------------------------------------------------------
# Option to allow the user to disable compiler warnings
#-----------------------------------------------------------------------------
OPTION (MPI4PY_DISABLE_COMPILER_WARNINGS "Disable compiler warnings" ON)
MARK_AS_ADVANCED(MPI4PY_DISABLE_COMPILER_WARNINGS)
IF (MPI4PY_DISABLE_COMPILER_WARNINGS)
# MSVC uses /w to suppress warnings. It also complains if another
# warning level is given, so remove it.
IF (MSVC)
SET (MPI4PY_WARNINGS_BLOCKED 1)
STRING (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " "
CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
SET (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /w")
ENDIF ()
IF(WIN32)
ADD_DEFINITIONS (-D_CRT_SECURE_NO_WARNINGS)
ENDIF()
# Borland uses -w- to suppress warnings.
IF (BORLAND)
SET (MPI4PY_WARNINGS_BLOCKED 1)
SET (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -w-")
ENDIF ()
# Most compilers use -w to suppress warnings.
IF (NOT MPI4PY_WARNINGS_BLOCKED)
SET (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -w")
ENDIF ()
ENDIF ()
SET(PV_MPI_PYTHON_MODULE_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/mpi4py")
SET(PV_MPI_PYTHON_MODULE_BINARY_DIR "${CMAKE_CURRENT_BINARY_DIR}/mpi4py")
MAKE_DIRECTORY(${PV_MPI_PYTHON_MODULE_BINARY_DIR})
# Handle out-of-source builds correctly.
#
# 1. Create a list of Python files to be installed/copied.
# 2. Copy them to the binary directory. Since paraview cannot be built
# in place, we must always copy the files to the binary directory.
# 3. Use Python's compileall to compile the copied files.
#
# *** Step 1 has to be done carefully to avoid missing out files ***
# List all python source files.
# All files paraview/*.py included in the paraview module.
SET(PV_MPI_PYTHON_FILES
include/mpi4py/MPI.pxd
include/mpi4py/__init__.pyx
include/mpi4py/mpi.pxi
include/mpi4py/mpi4py.h
include/mpi4py/mpi4py.i
include/mpi4py/mpi4py_MPI.h
include/mpi4py/mpi4py_MPI_api.h
include/mpi4py/mpi_c.pxd
__init__.py
rc.py
MPI.py
)
# Now copy these files if necessary.
SET(PV_MPI_PYTHON_SOURCE_FILES)
SET(PV_MPI_PYTHON_OUTPUT_FILES)
FOREACH(file ${PV_MPI_PYTHON_FILES})
SET(src "${PV_MPI_PYTHON_MODULE_SOURCE_DIR}/${file}")
SET(PV_MPI_PYTHON_SOURCE_FILES ${PV_MPI_PYTHON_SOURCE_FILES} ${src})
ENDFOREACH(file)
FOREACH(file ${PV_MPI_PYTHON_FILES})
SET(src "${PV_MPI_PYTHON_MODULE_SOURCE_DIR}/${file}")
SET(tgt "${PV_MPI_PYTHON_MODULE_BINARY_DIR}/${file}")
ADD_CUSTOM_COMMAND(DEPENDS ${src}
COMMAND ${CMAKE_COMMAND}
ARGS -E copy ${src} ${tgt}
OUTPUT ${tgt}
COMMENT "source copy")
SET(PV_MPI_PYTHON_OUTPUT_FILES ${PV_MPI_PYTHON_OUTPUT_FILES} ${tgt})
ENDFOREACH(file)
# Compile and create MPI.so in PV_MPI_PYTHON_MODULE_BINARY_DIR
ADD_SUBDIRECTORY("${CMAKE_CURRENT_SOURCE_DIR}/Library")
# Byte compile the Python files.
CONFIGURE_FILE(${PV_MPI_PYTHON_MODULE_SOURCE_DIR}/compile_all_pv_mpi.py.in
${PV_MPI_PYTHON_MODULE_BINARY_DIR}/compile_all_pv_mpi.py
@ONLY IMMEDIATE)
ADD_CUSTOM_COMMAND(
WORKING_DIRECTORY ${PV_MPI_PYTHON_MODULE_BINARY_DIR}
COMMAND ${PYTHON_EXECUTABLE}
ARGS compile_all_pv_mpi.py
DEPENDS ${PV_MPI_PYTHON_SOURCE_FILES} ${PV_MPI_PYTHON_MODULE_BINARY_DIR}/compile_all_pv_mpi.py
${PV_MPI_PYTHON_OUTPUT_FILES}
OUTPUT "${PV_MPI_PYTHON_MODULE_BINARY_DIR}/pv_mpi_compile_complete"
)
ADD_CUSTOM_TARGET(paraview_mpi_pyc ALL
DEPENDS "${PV_MPI_PYTHON_MODULE_BINARY_DIR}/pv_mpi_compile_complete")
# Install the paraview module files.
IF (NOT PV_INSTALL_NO_LIBRARIES)
INSTALL(DIRECTORY ${PV_MPI_PYTHON_MODULE_BINARY_DIR}
DESTINATION ${PV_INSTALL_LIB_DIR}
COMPONENT Runtime
)
ENDIF (NOT PV_INSTALL_NO_LIBRARIES)
ENDIF(ENABLE_MPI4PY)
ENDIF (PARAVIEW_ENABLE_PYTHON AND PARAVIEW_USE_MPI AND NOT WIN32)
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