141 lines
4.3 KiB
CMake
141 lines
4.3 KiB
CMake
#
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# The script to detect Intel(R) Math Kernel Library (MKL)
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# installation/package
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#
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# Parameters:
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# MKL_WITH_TBB
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#
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# On return this will define:
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#
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# HAVE_MKL - True if Intel MKL found
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# MKL_ROOT_DIR - root of MKL installation
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# MKL_INCLUDE_DIRS - MKL include folder
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# MKL_LIBRARIES - MKL libraries that are used by OpenCV
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#
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macro (mkl_find_lib VAR NAME DIRS)
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find_path(${VAR} ${NAME} ${DIRS} NO_DEFAULT_PATH)
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set(${VAR} ${${VAR}}/${NAME})
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unset(${VAR} CACHE)
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endmacro()
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macro(mkl_fail)
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set(HAVE_MKL OFF)
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set(MKL_ROOT_DIR "${MKL_ROOT_DIR}" CACHE PATH "Path to MKL directory")
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return()
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endmacro()
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macro(get_mkl_version VERSION_FILE)
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# read MKL version info from file
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file(STRINGS ${VERSION_FILE} STR1 REGEX "__INTEL_MKL__")
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file(STRINGS ${VERSION_FILE} STR2 REGEX "__INTEL_MKL_MINOR__")
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file(STRINGS ${VERSION_FILE} STR3 REGEX "__INTEL_MKL_UPDATE__")
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#file(STRINGS ${VERSION_FILE} STR4 REGEX "INTEL_MKL_VERSION")
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# extract info and assign to variables
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string(REGEX MATCHALL "[0-9]+" MKL_VERSION_MAJOR ${STR1})
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string(REGEX MATCHALL "[0-9]+" MKL_VERSION_MINOR ${STR2})
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string(REGEX MATCHALL "[0-9]+" MKL_VERSION_UPDATE ${STR3})
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set(MKL_VERSION_STR "${MKL_VERSION_MAJOR}.${MKL_VERSION_MINOR}.${MKL_VERSION_UPDATE}" CACHE STRING "MKL version" FORCE)
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endmacro()
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if(NOT DEFINED MKL_USE_MULTITHREAD)
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OCV_OPTION(MKL_WITH_TBB "Use MKL with TBB multithreading" OFF)#ON IF WITH_TBB)
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OCV_OPTION(MKL_WITH_OPENMP "Use MKL with OpenMP multithreading" OFF)#ON IF WITH_OPENMP)
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endif()
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#check current MKL_ROOT_DIR
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if(NOT MKL_ROOT_DIR OR NOT EXISTS "${MKL_ROOT_DIR}/include/mkl.h")
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set(mkl_root_paths "${MKL_ROOT_DIR}")
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if(DEFINED ENV{MKLROOT})
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list(APPEND mkl_root_paths "$ENV{MKLROOT}")
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endif()
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if(WITH_MKL AND NOT mkl_root_paths)
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if(WIN32)
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set(ProgramFilesx86 "ProgramFiles(x86)")
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list(APPEND mkl_root_paths $ENV{${ProgramFilesx86}}/IntelSWTools/compilers_and_libraries/windows/mkl)
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endif()
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if(UNIX)
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list(APPEND mkl_root_paths "/opt/intel/mkl")
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endif()
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endif()
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find_path(MKL_ROOT_DIR include/mkl.h PATHS ${mkl_root_paths})
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endif()
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set(MKL_INCLUDE_DIRS "${MKL_ROOT_DIR}/include" CACHE PATH "Path to MKL include directory")
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if(NOT MKL_ROOT_DIR
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OR NOT EXISTS "${MKL_ROOT_DIR}"
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OR NOT EXISTS "${MKL_INCLUDE_DIRS}"
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OR NOT EXISTS "${MKL_INCLUDE_DIRS}/mkl_version.h"
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)
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mkl_fail()
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endif()
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get_mkl_version(${MKL_INCLUDE_DIRS}/mkl_version.h)
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#determine arch
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if(CMAKE_CXX_SIZEOF_DATA_PTR EQUAL 8)
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set(MKL_X64 1)
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set(MKL_ARCH "intel64")
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include(CheckTypeSize)
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CHECK_TYPE_SIZE(int _sizeof_int)
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if (_sizeof_int EQUAL 4)
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set(MKL_ARCH_SUFFIX "lp64")
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else()
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set(MKL_ARCH_SUFFIX "ilp64")
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endif()
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else()
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set(MKL_ARCH "ia32")
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set(MKL_ARCH_SUFFIX "c")
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endif()
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if(MKL_VERSION_STR VERSION_GREATER "11.3.0" OR MKL_VERSION_STR VERSION_EQUAL "11.3.0")
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set(mkl_lib_find_paths
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${MKL_ROOT_DIR}/lib
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${MKL_ROOT_DIR}/lib/${MKL_ARCH} ${MKL_ROOT_DIR}/../tbb/lib/${MKL_ARCH})
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set(mkl_lib_list "mkl_intel_${MKL_ARCH_SUFFIX}")
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if(MKL_WITH_TBB)
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list(APPEND mkl_lib_list mkl_tbb_thread tbb)
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elseif(MKL_WITH_OPENMP)
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if(MSVC)
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list(APPEND mkl_lib_list mkl_intel_thread libiomp5md)
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else()
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list(APPEND mkl_lib_list mkl_gnu_thread)
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endif()
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else()
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list(APPEND mkl_lib_list mkl_sequential)
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endif()
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list(APPEND mkl_lib_list mkl_core)
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else()
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message(STATUS "MKL version ${MKL_VERSION_STR} is not supported")
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mkl_fail()
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endif()
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set(MKL_LIBRARIES "")
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foreach(lib ${mkl_lib_list})
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find_library(${lib} ${lib} ${mkl_lib_find_paths})
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mark_as_advanced(${lib})
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if(NOT ${lib})
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mkl_fail()
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endif()
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list(APPEND MKL_LIBRARIES ${${lib}})
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endforeach()
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message(STATUS "Found MKL ${MKL_VERSION_STR} at: ${MKL_ROOT_DIR}")
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set(HAVE_MKL ON)
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set(MKL_ROOT_DIR "${MKL_ROOT_DIR}" CACHE PATH "Path to MKL directory")
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set(MKL_INCLUDE_DIRS "${MKL_INCLUDE_DIRS}" CACHE PATH "Path to MKL include directory")
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set(MKL_LIBRARIES "${MKL_LIBRARIES}" CACHE STRING "MKL libraries")
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if(UNIX AND NOT MKL_LIBRARIES_DONT_HACK)
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#it's ugly but helps to avoid cyclic lib problem
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set(MKL_LIBRARIES ${MKL_LIBRARIES} ${MKL_LIBRARIES} ${MKL_LIBRARIES} "-lpthread" "-lm" "-ldl")
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endif()
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