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