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# Copyright (c) 2010 High Performance Computing Center Stuttgart,
# University of Stuttgart. All rights reserved.
# $COPYRIGHT$
#
# Additional copyrights may follow
#
# $HEADER$
#
# Find OFED SDK headers and libraries.
#
# OFED_SDK_PATH - path to OFED SDK dir
# OFED_SDK_INCLUDE_PATH - path to verbs.h
# OFED_SDK_FOUND - system has OFED SDK
#
# This module is included in a .windows file, it must return two variables:
# RESULT : find result
# RESULT_INCLUDE_PATH : the path need to include if RESULT is true
# RESULT_LINK_LIBRARIES : libraries need to be linked
IF(NOT OMPI_WANT_OFED)
SET(RESULT FALSE)
ELSE(NOT OMPI_WANT_OFED)
SET(OFED_SDK_PATH "" CACHE PATH
"Path to OFED SDK root directory, if not in system path, has to be set manually by user.")
#generate the lex file, if it's not there
IF(NOT EXISTS ${PROJECT_SOURCE_DIR}/mca/btl/openib/btl_openib_lex.c)
ADD_FLEX_FILE(OPAL_SOURCE_FILES ./mca/btl/openib/btl_openib_lex.l
btl_openib_ini_yy "${PROJECT_BINARY_DIR}/mca/btl/openib/")
SET(RESULT_APPEND_FILES ${PROJECT_BINARY_DIR}/mca/btl/openib/btl_openib_lex.c)
ENDIF(NOT EXISTS ${PROJECT_SOURCE_DIR}/mca/btl/openib/btl_openib_lex.c)
IF(NOT OFED_SDK_FOUND)
MESSAGE(STATUS "looking for OFED SDK...")
# set the default search path
IF("${OFED_SDK_PATH}" STREQUAL "")
SET(OFED_SDK_PATH "$ENV{SystemDrive}/OFED_SDK")
ENDIF("${OFED_SDK_PATH}" STREQUAL "")
# clear the old find results and start a new search
UNSET(OFED_SDK_INCLUDE_PATH)
UNSET(OFED_SDK_LIBIBVERBS)
FIND_PATH(OFED_SDK_INCLUDE_PATH NAMES verbs.h PATHS ${OFED_SDK_PATH}/Inc/infiniband
DOC "Path to OFED SDK include directory, will be detected automatically.")
FIND_LIBRARY(OFED_SDK_LIBIBVERBS libibverbs PATHS ${OFED_SDK_PATH}/Lib
DOC "Path to OFED SDK libraries directory, will be detected automatically.")
FIND_LIBRARY(OFED_SDK_LIBRDMACM librdmacm PATHS ${OFED_SDK_PATH}/Lib
DOC "Path to OFED SDK libraries directory, will be detected automatically.")
IF(OFED_SDK_INCLUDE_PATH AND OFED_SDK_LIBIBVERBS)
SET(OFED_SDK_FOUND TRUE CACHE INTERNAL "find result of OFED SDK.")
SET(RESULT_INCLUDE_PATH ${OFED_SDK_INCLUDE_PATH}/..;${PROJECT_SOURCE_DIR}/mca/btl/openib)
SET(RESULT_LINK_LIBRARIES ${OFED_SDK_LIBIBVERBS} ${OFED_SDK_LIBRDMACM})
SET(RESULT TRUE)
MESSAGE(STATUS "looking for OFED SDK...found.")
UNSET(CMAKE_REQUIRED_INCLUDES)
UNSET(CMAKE_REQUIRED_LIBRARIES)
SET(CMAKE_REQUIRED_INCLUDES ${OFED_SDK_PATH}/Inc/infiniband/verbs.h ${OFED_SDK_PATH}/Inc/infiniband/sa.h)
SET(CMAKE_REQUIRED_LIBRARIES ${OFED_SDK_PATH}/Lib/libibverbs.lib ${OFED_SDK_PATH}/Lib/librdmacm.lib)
OMPI_CHECK_FUNCTION_EXISTS(ibv_fork_init HAVE_IBV_FORK_INIT)
OMPI_CHECK_FUNCTION_EXISTS(ibv_get_device_list HAVE_IBV_GET_DEVICE_LIST)
OMPI_CHECK_FUNCTION_EXISTS(ibv_resize_cq HAVE_IBV_RESIZE_CQ)
OMPI_CHECK_SYMBOL_EXISTS(IBV_EVENT_CLIENT_REREGISTER "" HAVE_DECL_IBV_EVENT_CLIENT_REREGISTER)
INSTALL(FILES ${PROJECT_SOURCE_DIR}/mca/btl/openib/mca-btl-openib-device-params.ini
${PROJECT_SOURCE_DIR}/mca/btl/openib/help-mpi-btl-openib.txt
DESTINATION share/openmpi)
ELSE(OFED_SDK_INCLUDE_PATH AND OFED_SDK_LIBIBVERBS)
SET(OFED_SDK_FOUND FALSE CACHE INTERNAL "find result of OFED SDK.")
SET(RESULT FALSE)
MESSAGE(STATUS "looking for OFED SDK...not found.")
ENDIF(OFED_SDK_INCLUDE_PATH AND OFED_SDK_LIBIBVERBS)
ELSE(NOT OFED_SDK_FOUND)
SET(RESULT_INCLUDE_PATH ${OFED_SDK_INCLUDE_PATH}/..;${OpenMPI_SOURCE_DIR}/ompi/mca/btl/openib)
SET(RESULT_LINK_LIBRARIES ${OFED_SDK_LIBIBVERBS} ${OFED_SDK_LIBRDMACM})
SET(RESULT TRUE)
INSTALL(FILES ${PROJECT_SOURCE_DIR}/mca/btl/openib/mca-btl-openib-device-params.ini
${PROJECT_SOURCE_DIR}/mca/btl/openib/help-mpi-btl-openib.txt
DESTINATION share/openmpi)
ENDIF(NOT OFED_SDK_FOUND)
ENDIF(NOT OMPI_WANT_OFED)
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