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# Copyright (C) 2018 Intel Corporation
# SPDX-License-Identifier: Apache-2.0
#
if(MKL_cmake_included)
return()
endif()
set(MKL_cmake_included true)
function(detect_mkl LIBNAME)
if(HAVE_MKL)
return()
endif()
message(STATUS "Detecting Intel(R) MKL: trying ${LIBNAME}")
find_path(MKLINC mkl_cblas.h
HINTS ${MKLROOT}/include $ENV{MKLROOT}/include)
if(NOT MKLINC)
file(GLOB_RECURSE MKLINC
${CMAKE_CURRENT_SOURCE_DIR}/external/*/mkl_cblas.h)
if(MKLINC)
# if user has multiple version under external/ then guess last
# one alphabetically is "latest" and warn
list(LENGTH MKLINC MKLINCLEN)
if(MKLINCLEN GREATER 1)
list(SORT MKLINC)
list(REVERSE MKLINC)
# message(STATUS "MKLINC found ${MKLINCLEN} files:")
# foreach(LOCN IN LISTS MKLINC)
# message(STATUS " ${LOCN}")
# endforeach()
list(GET MKLINC 0 MKLINCLST)
set(MKLINC "${MKLINCLST}")
# message(WARNING "MKLINC guessing... ${MKLINC}. "
# "Please check that above dir has the desired mkl_cblas.h")
endif()
get_filename_component(MKLINC ${MKLINC} PATH)
endif()
endif()
if(NOT MKLINC)
return()
endif()
get_filename_component(__mklinc_root "${MKLINC}" PATH)
find_library(MKLLIB NAMES ${LIBNAME}
HINTS ${MKLROOT}/lib ${MKLROOT}/lib/intel64
$ENV{MKLROOT}/lib $ENV{MKLROOT}/lib/intel64
${__mklinc_root}/lib ${__mklinc_root}/lib/intel64)
if(NOT MKLLIB)
return()
endif()
if(WIN32)
set(MKLREDIST ${MKLINC}/../../redist/)
find_file(MKLDLL NAMES ${LIBNAME}.dll
HINTS
${MKLREDIST}/mkl
${MKLREDIST}/intel64/mkl
${__mklinc_root}/lib)
if(NOT MKLDLL)
return()
endif()
endif()
if(NOT CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
get_filename_component(MKLLIBPATH ${MKLLIB} PATH)
find_library(MKLIOMP5LIB
NAMES "iomp5" "iomp5md" "libiomp5" "libiomp5md"
HINTS ${MKLLIBPATH}
${MKLLIBPATH}/../../lib
${MKLLIBPATH}/../../../lib/intel64
${MKLLIBPATH}/../../compiler/lib
${MKLLIBPATH}/../../../compiler/lib/intel64)
if(NOT MKLIOMP5LIB)
return()
endif()
if(WIN32)
find_file(MKLIOMP5DLL
NAMES "libiomp5.dll" "libiomp5md.dll"
HINTS ${MKLREDIST}/../compiler ${__mklinc_root}/lib)
if(NOT MKLIOMP5DLL)
return()
endif()
endif()
else()
set(MKLIOMP5LIB)
set(MKLIOMP5DLL)
endif()
get_filename_component(MKLLIBPATH "${MKLLIB}" PATH)
string(FIND "${MKLLIBPATH}" ${CMAKE_CURRENT_SOURCE_DIR}/external __idx)
if(${__idx} EQUAL 0)
if(WIN32)
if(MINGW)
# We need to install *.dll into bin/ instead of lib/.
install(PROGRAMS ${MKLDLL} DESTINATION bin)
else()
install(PROGRAMS ${MKLDLL} DESTINATION lib)
endif()
else()
install(PROGRAMS ${MKLLIB} DESTINATION lib)
endif()
if(MKLIOMP5LIB)
if(WIN32)
if(MINGW)
# We need to install *.dll into bin/ instead of lib/.
install(PROGRAMS ${MKLIOMP5DLL} DESTINATION bin)
else()
install(PROGRAMS ${MKLIOMP5DLL} DESTINATION lib)
endif()
else()
install(PROGRAMS ${MKLIOMP5LIB} DESTINATION lib)
endif()
endif()
endif()
if(WIN32)
# Add paths to DLL to %PATH% on Windows
get_filename_component(MKLDLLPATH "${MKLDLL}" PATH)
set(CTESTCONFIG_PATH "${CTESTCONFIG_PATH}\;${MKLDLLPATH}")
set(CTESTCONFIG_PATH "${CTESTCONFIG_PATH}" PARENT_SCOPE)
endif()
# TODO: cache the value
set(HAVE_MKL TRUE PARENT_SCOPE)
set(MKLINC ${MKLINC} PARENT_SCOPE)
set(MKLLIB "${MKLLIB}" PARENT_SCOPE)
if(WIN32)
set(MKLDLL "${MKLDLL}" PARENT_SCOPE)
endif()
if(MKLIOMP5LIB)
set(MKLIOMP5LIB "${MKLIOMP5LIB}" PARENT_SCOPE)
endif()
if(WIN32 AND MKLIOMP5DLL)
set(MKLIOMP5DLL "${MKLIOMP5DLL}" PARENT_SCOPE)
endif()
endfunction()
detect_mkl("mkl_tiny")
if(HAVE_MKL)
add_definitions(-DUSE_MKL -DUSE_CBLAS)
include_directories(AFTER ${MKLINC})
list(APPEND mkldnn_LINKER_LIBS ${MKLLIB})
set(MSG "Intel(R) MKL:")
message(STATUS "${MSG} include ${MKLINC}")
message(STATUS "${MSG} lib ${MKLLIB}")
if(MKLIOMP5LIB)
message(STATUS "${MSG} OpenMP lib ${MKLIOMP5LIB}")
else()
message(STATUS "${MSG} OpenMP lib provided by compiler")
endif()
if(WIN32)
message(STATUS "${MSG} dll ${MKLDLL}")
if(MKLIOMP5DLL)
message(STATUS "${MSG} OpenMP dll ${MKLIOMP5DLL}")
else()
message(STATUS "${MSG} OpenMP dll provided by compiler")
endif()
endif()
else()
if(DEFINED ENV{FAIL_WITHOUT_MKL} OR DEFINED FAIL_WITHOUT_MKL)
set(SEVERITY "FATAL_ERROR")
else()
set(SEVERITY "WARNING")
endif()
message(${SEVERITY}
"Intel(R) MKL not found. Some performance features may not be "
"available. Please run scripts/prepare_mkl.sh to download a minimal "
"set of libraries or get a full version from "
"https://software.intel.com/en-us/intel-mkl")
endif()
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