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# ----------------------------------------------------------------------------
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# Detect other 3rd-party performance and math libraries
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# ----------------------------------------------------------------------------
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# --- TBB ---
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if(WITH_TBB)
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include("${OpenCV_SOURCE_DIR}/cmake/OpenCVDetectTBB.cmake")
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endif(WITH_TBB)
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# --- IPP ---
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ocv_clear_vars(IPP_FOUND)
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if(WITH_IPP)
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include("${OpenCV_SOURCE_DIR}/cmake/OpenCVFindIPP.cmake")
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if(IPP_FOUND)
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add_definitions(-DHAVE_IPP)
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ocv_include_directories(${IPP_INCLUDE_DIRS})
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link_directories(${IPP_LIBRARY_DIRS})
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set(OPENCV_LINKER_LIBS ${OPENCV_LINKER_LIBS} ${IPP_LIBRARIES})
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endif()
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endif(WITH_IPP)
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# --- CUDA ---
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if(WITH_CUDA)
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include("${OpenCV_SOURCE_DIR}/cmake/OpenCVDetectCUDA.cmake")
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endif(WITH_CUDA)
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# --- Eigen ---
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if(WITH_EIGEN)
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find_path(EIGEN_INCLUDE_PATH "Eigen/Core"
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PATHS /usr/local /opt /usr ENV ProgramFiles ENV ProgramW6432
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PATH_SUFFIXES include/eigen3 include/eigen2 Eigen/include/eigen3 Eigen/include/eigen2
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DOC "The path to Eigen3/Eigen2 headers"
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CMAKE_FIND_ROOT_PATH_BOTH)
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if(EIGEN_INCLUDE_PATH)
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ocv_include_directories(${EIGEN_INCLUDE_PATH})
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ocv_parse_header("${EIGEN_INCLUDE_PATH}/Eigen/src/Core/util/Macros.h" EIGEN_VERSION_LINES EIGEN_WORLD_VERSION EIGEN_MAJOR_VERSION EIGEN_MINOR_VERSION)
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set(HAVE_EIGEN 1)
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endif()
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endif(WITH_EIGEN)
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# --- C= ---
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if(WITH_CSTRIPES AND NOT HAVE_TBB)
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include("${OpenCV_SOURCE_DIR}/cmake/OpenCVDetectCStripes.cmake")
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else()
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set(HAVE_CSTRIPES 0)
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endif()
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# --- OpenMP ---
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if(WITH_OPENMP AND NOT HAVE_TBB AND NOT HAVE_CSTRIPES)
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find_package(OpenMP)
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if(OPENMP_FOUND)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
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endif()
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set(HAVE_OPENMP "${OPENMP_FOUND}")
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endif()
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# --- GCD ---
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if(APPLE AND NOT HAVE_TBB AND NOT HAVE_CSTRIPES AND NOT HAVE_OPENMP)
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set(HAVE_GCD 1)
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else()
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set(HAVE_GCD 0)
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endif()
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# --- Concurrency ---
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if(MSVC AND NOT HAVE_TBB AND NOT HAVE_CSTRIPES AND NOT HAVE_OPENMP)
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set(_fname "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/concurrencytest.cpp")
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file(WRITE "${_fname}" "#if _MSC_VER < 1600\n#error\n#endif\nint main() { return 0; }\n")
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try_compile(HAVE_CONCURRENCY "${CMAKE_BINARY_DIR}" "${_fname}")
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file(REMOVE "${_fname}")
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else()
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set(HAVE_CONCURRENCY 0)
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endif()
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