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https://github.com/opencv/opencv.git
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c63d79c5b1
* fix openmp include and link issue on macos * turn off have_openmp if OpenMP_CXX_INCLUDE_DIRS is empty * test commit * use condition HAVE_OPENMP and OpenMP_CXX_LIBRARIES for linking * remove trailing whitespace * remove notes * update conditions * use OpenMP_CXX_LIBRARIES for linking
48 lines
1.4 KiB
CMake
48 lines
1.4 KiB
CMake
# ----------------------------------------------------------------------------
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# Detect frameworks that may be used by 3rd-party libraries as well as OpenCV
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# ----------------------------------------------------------------------------
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# --- HPX ---
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if(WITH_HPX)
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find_package(HPX REQUIRED)
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ocv_include_directories(${HPX_INCLUDE_DIRS})
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set(HAVE_HPX TRUE)
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endif(WITH_HPX)
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# --- GCD ---
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if(APPLE AND NOT HAVE_TBB)
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set(HAVE_GCD 1)
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else()
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set(HAVE_GCD 0)
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endif()
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# --- Concurrency ---
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if(MSVC AND NOT HAVE_TBB AND NOT OPENCV_DISABLE_THREAD_SUPPORT)
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set(_fname "${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 "${_fname}")
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else()
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set(HAVE_CONCURRENCY 0)
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endif()
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# --- OpenMP ---
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if(WITH_OPENMP)
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find_package(OpenMP)
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if(OPENMP_FOUND)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
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if(DEFINED OpenMP_CXX_INCLUDE_DIRS AND OpenMP_CXX_INCLUDE_DIRS)
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ocv_include_directories(${OpenMP_CXX_INCLUDE_DIRS})
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endif()
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endif()
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set(HAVE_OPENMP "${OPENMP_FOUND}")
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endif()
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ocv_clear_vars(HAVE_PTHREADS_PF)
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if(WITH_PTHREADS_PF AND HAVE_PTHREAD)
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set(HAVE_PTHREADS_PF 1)
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else()
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set(HAVE_PTHREADS_PF 0)
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endif()
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