Hexo

版本資訊
Visual Studio 2019
CMake 3.24
Python3.8.10

設定Opencv

• 編譯OpenCV

• 設定windows的環境變數 OpenCV_ROOT 到OpenCVConfig.cmake所在的資料夾(CMake 3.12之後的功能，文件

• 從編譯好的OpenCVConfig.cmake我們可以看OpenCV提供了那些CMake變數給我們使用，可以參考這裡

• 讓CMake複製dll文件

• 設定CMake尋找Python.h

find_package(Python 3 REQUIRED 
COMPONENTS Interpreter Development.Module NumPy) # New in cmake 3.19

include_directories(${Python_INCLUDE_DIRS})
link_directories(${Python_LIBRARY_DIRS})
message(STATUS "Python Location: ${Python_INCLUDE_DIRS}")

include_directories(${Python_NumPy_INCLUDE_DIRS})
message(STATUS "NumPy Location: ${Python_NumPy_INCLUDE_DIRS}")

find_package(OpenCV REQUIRED)
if (OpenCV_FOUND)
    # If the package has been found, several variables will
    # be set, you can find the full list with descriptions
    # in the OpenCVConfig.cmake file.
    # Print some message showing some of them
    include_directories(${OpenCV_INCLUDE_DIRS})
    link_libraries(${OpenCV_LIBRARIES})
    message(STATUS "OpenCV library status:")
    message(STATUS "    version: ${OpenCV_VERSION}")
    message(STATUS "    include path: ${OpenCV_INCLUDE_DIRS}")
else ()
    message(FATAL_ERROR "Could not locate OpenCV")
endif()

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原碼參考:

參考:
Python.h位置

CMake尋找Python