Repository for OpenCV's extra modules
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#
# The script to detect Intel(R) Math Kernel Library (MKL)
# installation/package
#
# Parameters:
# MKL_WITH_TBB
#
# On return this will define:
#
# HAVE_MKL - True if Intel IPP found
# MKL_ROOT_DIR - root of IPP installation
# MKL_INCLUDE_DIRS - IPP include folder
# MKL_LIBRARIES - IPP libraries that are used by OpenCV
#
macro(mkl_fail)
set(HAVE_MKL OFF CACHE BOOL "True if MKL found")
set(MKL_ROOT_DIR ${MKL_ROOT_DIR} CACHE PATH "Path to MKL directory")
unset(MKL_INCLUDE_DIRS CACHE)
unset(MKL_LIBRARIES CACHE)
endmacro()
macro(get_mkl_version VERSION_FILE)
# read MKL version info from file
file(STRINGS ${VERSION_FILE} STR1 REGEX "__INTEL_MKL__")
file(STRINGS ${VERSION_FILE} STR2 REGEX "__INTEL_MKL_MINOR__")
file(STRINGS ${VERSION_FILE} STR3 REGEX "__INTEL_MKL_UPDATE__")
#file(STRINGS ${VERSION_FILE} STR4 REGEX "INTEL_MKL_VERSION")
# extract info and assign to variables
string(REGEX MATCHALL "[0-9]+" MKL_VERSION_MAJOR ${STR1})
string(REGEX MATCHALL "[0-9]+" MKL_VERSION_MINOR ${STR2})
string(REGEX MATCHALL "[0-9]+" MKL_VERSION_UPDATE ${STR3})
set(MKL_VERSION_STR "${MKL_VERSION_MAJOR}.${MKL_VERSION_MINOR}.${MKL_VERSION_UPDATE}" CACHE STRING "MKL version" FORCE)
endmacro()
if(NOT DEFINED MKL_USE_MULTITHREAD)
OCV_OPTION(MKL_WITH_TBB "Use MKL with TBB multithreading" OFF)#ON IF WITH_TBB)
OCV_OPTION(MKL_WITH_OPENMP "Use MKL with OpenMP multithreading" OFF)#ON IF WITH_OPENMP)
endif()
#check current MKL_ROOT_DIR
if(NOT MKL_ROOT_DIR OR NOT EXISTS ${MKL_ROOT_DIR}/include/mkl.h)
set(MKLROOT_PATHS ${MKL_ROOT_DIR})
if(DEFINED $ENV{MKLROOT})
list(APPEND MKLROOT_PATHS $ENV{MKLROOT})
endif()
if(WIN32)
set(ProgramFilesx86 "ProgramFiles(x86)")
list(APPEND MKLROOT_PATHS $ENV{${ProgramFilesx86}}/IntelSWTools/compilers_and_libraries/windows/mkl)
endif()
if(UNIX)
list(APPEND MKLROOT_PATHS "/opt/intel/mkl")
endif()
find_path(MKL_ROOT_DIR include/mkl.h PATHS ${MKLROOT_PATHS})
endif()
if(NOT MKL_ROOT_DIR)
mkl_fail()
return()
endif()
set(MKL_INCLUDE_DIRS ${MKL_ROOT_DIR}/include)
set(MKL_INCLUDE_HEADERS ${MKL_INCLUDE_DIRS}/mkl.h ${MKL_INCLUDE_DIRS}/mkl_version.h)
#determine arch
if(CMAKE_CXX_SIZEOF_DATA_PTR EQUAL 8)
set(MKL_X64 1)
set(MKL_ARCH "intel64")
include(CheckTypeSize)
CHECK_TYPE_SIZE(int _sizeof_int)
if (_sizeof_int EQUAL 4)
set(MKL_LP64 "lp64")
else()
set(MKL_LP64 "ilp64")
endif()
else()
set(MKL_ARCH "ia32")
endif()
if(MSVC)
set(MKL_EXT ".lib")
set(MKL_PRE "")
else()
set(MKL_EXT ".a")
set(MKL_PRE "lib")
endif()
set(MKL_LIB_DIR ${MKL_ROOT_DIR}/lib/${MKL_ARCH})
set(MKL_LIBRARIES ${MKL_LIB_DIR}/${MKL_PRE}mkl_core${MKL_EXT} ${MKL_LIB_DIR}/${MKL_PRE}mkl_intel_${MKL_LP64}${MKL_EXT})
if(MKL_WITH_TBB)
list(APPEND MKL_LIBRARIES ${MKL_LIB_DIR}/${MKL_PRE}mkl_tbb_thread${MKL_EXT})
list(APPEND MKL_LIBRARIES ${MKL_ROOT_DIR}/../tbb/lib/${MKL_ARCH}/tbb${MKL_EXT})
elseif(MKL_WITH_OPENMP)
message(FATAL_ERROR "Multithreaded MKL is not supported yet")
else()
list(APPEND MKL_LIBRARIES ${MKL_LIB_DIR}/${MKL_PRE}mkl_sequential${MKL_EXT})
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(MKL MKL_INCLUDE_HEADERS MKL_LIBRARIES)
if(MKL_FOUND)
get_mkl_version(${MKL_INCLUDE_DIRS}/mkl_version.h)
message(STATUS "Found MKL ${MKL_VERSION_STR} at: ${MKL_ROOT_DIR}")
set(HAVE_MKL ON CACHE BOOL "True if MKL found")
set(MKL_ROOT_DIR ${MKL_ROOT_DIR} CACHE PATH "Path to MKL directory")
set(MKL_INCLUDE_DIRS ${MKL_INCLUDE_DIRS} CACHE PATH "Path to MKL include directory")
if(NOT UNIX)
set(MKL_LIBRARIES ${MKL_LIBRARIES} CACHE FILEPATH "MKL libarries")
else()
#it's ugly but helps to avoid cyclic lib problem
set(MKL_LIBRARIES ${MKL_LIBRARIES} ${MKL_LIBRARIES} ${MKL_LIBRARIES} "-lpthread" "-lm" "-ldl")
set(MKL_LIBRARIES ${MKL_LIBRARIES} CACHE STRING "MKL libarries")
endif()
else()
endif()