# # 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_find_lib VAR NAME DIRS) find_path(${VAR} ${NAME} ${DIRS} NO_DEFAULT_PATH) set(${VAR} ${${VAR}}/${NAME}) unset(${VAR} CACHE) endmacro() macro(mkl_fail) set(HAVE_MKL OFF) set(MKL_ROOT_DIR ${MKL_ROOT_DIR} CACHE PATH "Path to MKL directory") return() 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(mkl_root_paths ${MKL_ROOT_DIR}) if(DEFINED $ENV{MKLROOT}) list(APPEND mkl_root_paths $ENV{MKLROOT}) endif() if(WIN32) set(ProgramFilesx86 "ProgramFiles(x86)") list(APPEND mkl_root_paths $ENV{${ProgramFilesx86}}/IntelSWTools/compilers_and_libraries/windows/mkl) endif() if(UNIX) list(APPEND mkl_root_paths "/opt/intel/mkl") endif() find_path(MKL_ROOT_DIR include/mkl.h PATHS ${mkl_root_paths}) endif() set(MKL_INCLUDE_DIRS ${MKL_ROOT_DIR}/include CACHE PATH "Path to MKL include directory") if(NOT MKL_ROOT_DIR OR NOT EXISTS "${MKL_ROOT_DIR}" OR NOT EXISTS "${MKL_INCLUDE_DIRS}" OR NOT EXISTS "${MKL_INCLUDE_DIRS}/mkl_version.h" ) mkl_fail() endif() get_mkl_version(${MKL_INCLUDE_DIRS}/mkl_version.h) #determine arch if(CMAKE_CXX_SIZEOF_DATA_PTR EQUAL 8) set(MKL_X64 1) set(MKL_ARCH "intel64") include(CheckTypeSize) CHECK_TYPE_SIZE(int _sizeof_int) if (_sizeof_int EQUAL 4) set(MKL_ARCH_SUFFIX "lp64") else() set(MKL_ARCH_SUFFIX "ilp64") endif() else() set(MKL_ARCH "ia32") set(MKL_ARCH_SUFFIX "c") endif() if(${MKL_VERSION_STR} VERSION_GREATER "11.3.0" OR ${MKL_VERSION_STR} VERSION_EQUAL "11.3.0") set(mkl_lib_find_paths ${MKL_ROOT_DIR}/lib ${MKL_ROOT_DIR}/lib/${MKL_ARCH} ${MKL_ROOT_DIR}/../tbb/lib/${MKL_ARCH}) set(mkl_lib_list mkl_core mkl_intel_${MKL_ARCH_SUFFIX}) if(MKL_WITH_TBB) list(APPEND mkl_lib_list mkl_tbb_thread tbb) elseif(MKL_WITH_OPENMP) if(MSVC) list(APPEND mkl_lib_list mkl_intel_thread libiomp5md) else() list(APPEND mkl_lib_list libmkl_gnu_thread) endif() else() list(APPEND mkl_lib_list mkl_sequential) endif() else() message(STATUS "MKL version ${MKL_VERSION_STR} is not supported") mkl_fail() endif() set(MKL_LIBRARIES "") foreach(lib ${mkl_lib_list}) find_library(${lib} ${lib} ${mkl_lib_find_paths}) mark_as_advanced(${lib}) if(NOT ${lib}) mkl_fail() endif() list(APPEND MKL_LIBRARIES ${${lib}}) endforeach() message(STATUS "Found MKL ${MKL_VERSION_STR} at: ${MKL_ROOT_DIR}") set(HAVE_MKL ON) 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") set(MKL_LIBRARIES ${MKL_LIBRARIES} CACHE STRING "MKL libarries") if(UNIX AND NOT MKL_LIBRARIES_DONT_HACK) #it's ugly but helps to avoid cyclic lib problem set(MKL_LIBRARIES ${MKL_LIBRARIES} ${MKL_LIBRARIES} ${MKL_LIBRARIES} "-lpthread" "-lm" "-ldl") endif()