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Qt cmake_qt导入cmake工程

作者：盐析白兔 | 2024-06-01 18:00:08

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qt导入cmake工程

搜索源文件

  1. #搜索源文件
  2. file(GLOB_RECURSE PROJECT_SOURCES
  3. ${PROJECT_SOURCE_DIR}/*.c
  4. ${PROJECT_SOURCE_DIR}/*.cpp
  5. ${PROJECT_SOURCE_DIR}/*.cc
  6. ${PROJECT_SOURCE_DIR}/*.h
  7. ${PROJECT_SOURCE_DIR}/*.hpp
  8. ${PROJECT_SOURCE_DIR}/*.ui
  9. ${PROJECT_SOURCE_DIR}/*.qrc
  10. ${PROJECT_SOURCE_DIR}/*.rc
  11. )

引入头文件目录

  1. #引入头文件目录
  2. include_directories(${PROJECT_SOURCE_DIR}/include)
  3.  
  4. #引入头文件目录:opencv2
  5. include_directories(${PROJECT_SOURCE_DIR}/include/opencv2)

编码设置

  1. //编码设置:指定utf-8编码
  2. add_compile_options("$<$<C_COMPILER_ID:MSVC>:/utf-8>")
  3. add_compile_options("$<$<CXX_COMPILER_ID:MSVC>:/utf-8>")

Qt 模块添加

cmake中的代码

  1. find_package(Qt${QT_VERSION_MAJOR} REQUIRED COMPONENTSWidgets)
  2.  
  3. target_link_libraries(examples_rpa PRIVATE Qt${QT_VERSION_MAJOR}::Widgets)

Qt模块

  1. //控件类库,添加这个模块可使用Qt基本控件
  2. Widgets
  3.  
  4. //网络模块,可使用这些类,QTcpSocket、QNetworkAccessManager
  5. Network
  6.  
  7. //串口模块,可使用这些类,QSerialPort
  8. SerialPort
  9.  
  10. //modbus库,可使用这些类,QModbusTcpClient
  11. SerialBus
  12.  
  13. //该网络模块,可使用这些类,QWebEngineView
  14. WebEngineWidgets
  15.  
  16. //该网络模块,可使用这些类,QMultimedia
  17. Multimedia
  18.  
  19. //图表模块,可使用这些类,QChart
  20. Charts
  21.  
  22. //音视频模块,视频等播放库
  23. Multimedia
  24. MultimediaWidgets
  25.  
  26. //
  27. AxContainer

添加依赖库：动态库

link_libraries(链接库文件)

  • link_libraries链接库文件:方法一

  1. //这个接口需要放在"add_executable()"前面
  2.  
  3. //设置库目录路径
  4. set(LIBINCLUDE_OPENCV ${PROJECT_SOURCE_DIR}/lib)
  5. //链接库文件:绝对路径
  6. link_libraries(${LIBINCLUDE_OPENCV}/opencv_img_hash452d.lib 
  7.                ${LIBINCLUDE_OPENCV}/opencv_world452d.lib)

  • link_libraries链接库文件:方法二

  1. //这两个接口需要放在"add_executable()"前面
  2.  
  3. //设置库目录路径
  4. set(LIBINCLUDE_OPENCV ${PROJECT_SOURCE_DIR}/lib)
  5. //添加库目录
  6. link_directories(${LIBINCLUDE_OPENCV})
  7. //链接库文件:相对库目录路径
  8. link_libraries(opencv_img_hash452d.lib opencv_world452d.lib)

target_link_libraries(链接库文件,推荐使用)

  • target_link_libraries,链接库文件方法一

  1. //这6个接口需要放在"add_executable()"前面
  2. //设置库目录路径
  3. set(LIBINCLUDE_OPENCV ${PROJECT_SOURCE_DIR}/lib)
  4. //设置库目录
  5. set(LIBINCLUDE_OPENCV ${PROJECT_SOURCE_DIR}/lib)
  6. add_library(opencv_img_hash452d STATIC IMPORTED)
  7. set_property(TARGET opencv_img_hash452d PROPERTY IMPORTED_LOCATION
  8.     ${LIBINCLUDE_OPENCV}/opencv_img_hash452d.lib)
  9. add_library(opencv_world452d STATIC IMPORTED)
  10. set_property(TARGET opencv_world452d PROPERTY IMPORTED_LOCATION
  11.     ${LIBINCLUDE_OPENCV}/opencv_world452d.lib)
  12.  
  13. //这1个接口需要放在"add_executable()"后面
  14. //链接库文件
  15. target_link_libraries(example_opencvcpp PRIVATE
  16.      opencv_img_hash452d opencv_world452d
  17.    )

  • target_link_libraries,链接库文件方法二

  1. //这1个接口需要放在"add_executable()"前面
  2. //设置库目录路径
  3. set(LIBINCLUDE_OPENCV ${PROJECT_SOURCE_DIR}/lib)
  4.  
  5. //这1个接口需要放在"add_executable()"后面
  6. //链接库文件
  7. target_link_libraries(example_opencvcpp PRIVATE
  8.      ${LIBINCLUDE_OPENCV}/opencv_img_hash452d.lib
  9.      ${LIBINCLUDE_OPENCV}/opencv_world452d.lib
  10.     )

全局宏

  1. //定义全局宏
  2. add_definitions(-DDEF_OPEN_MACRO)

设置变量

  1. #设置库目录路径
  2. set(LIBINCLUDE_OPENCV ${PROJECT_SOURCE_DIR}/lib)

打印日志

基本的日志

  1. //打印日志
  2. message(STATUS PROJECT_SOURCE_DIR   =  ${PROJECT_SOURCE_DIR})

日志:get_directory_property(获取LINK_DIRECTORIES的值)

  1. //打印日志:get_directory_property,设置的库目录
  2. get_directory_property(result LINK_DIRECTORIES)
  3. message("result: ${result}") # result: /C;/B;/A

日志:get_target_property(获取targer变量的属性)

  1. // #target_link_libraries,链接库文件方法一
  2. // ##设置库目录
  3. // #add_library(opencv_img_hash452d STATIC IMPORTED)
  4. // #set_property(TARGET opencv_img_hash452d PROPERTY IMPORTED_LOCATION
  5. // #    ${LIBINCLUDE_OPENCV}/opencv_img_hash452d.lib)
  6. // #add_library(opencv_world452d STATIC IMPORTED)
  7. // #set_property(TARGET opencv_world452d PROPERTY IMPORTED_LOCATION
  8. // #    ${LIBINCLUDE_OPENCV}/opencv_world452d.lib)
  9. // ##链接库文件
  10. // #target_link_libraries(example_opencvcpp PRIVATE
  11. // #     opencv_img_hash452d opencv_world452d
  12. // #    )
  13. //打印日志:get_directory_property(获取targer变量的属性)
  14. get_target_property(result opencv_world452d IMPORTED_LOCATION)
  15. message("result: ${result}") # result: /C;/B;/A

设置try不中断程序

  1. //设置编译参数
  2. add_definitions(/EHa)
  3. string(REGEX REPLACE "/EHsc" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})

eg1:QtWidgets Application 中的cmake

  1. cmake_minimum_required(VERSION 3.5)
  2.  
  3. project(example_opencv VERSION 0.1 LANGUAGES CXX)
  4.  
  5. set(CMAKE_INCLUDE_CURRENT_DIR ON)
  6.  
  7. set(CMAKE_AUTOUIC ON)
  8. set(CMAKE_AUTOMOC ON)
  9. set(CMAKE_AUTORCC ON)
  10.  
  11. set(CMAKE_CXX_STANDARD 17)
  12. set(CMAKE_CXX_STANDARD_REQUIRED ON)
  13.  
  14. find_package(QT NAMES Qt6 Qt5 REQUIRED COMPONENTS Widgets)
  15. find_package(Qt${QT_VERSION_MAJOR} REQUIRED COMPONENTS Widgets)
  16.  
  17. #定义全局宏
  18. add_definitions(-DDEF_OPEN_MACRO)
  19.  
  20. #编码设置:指定utf-8编码
  21. add_compile_options("$<$<C_COMPILER_ID:MSVC>:/utf-8>")
  22. add_compile_options("$<$<CXX_COMPILER_ID:MSVC>:/utf-8>")
  23.  
  24. #设置库目录路径:根据debug和release模式选择
  25. if(CMAKE_BUILD_TYPE)
  26.     string(TOLOWER ${CMAKE_BUILD_TYPE} BUILD_TYPE)
  27.     if (${BUILD_TYPE} STREQUAL "debug")
  28.  
  29.         set(OPENCVLIBINCLUDE ${PROJECT_SOURCE_DIR}/../lib/x64/debug/opencv2)
  30.  
  31.         message("1setLibIncluce: ${BUILD_TYPE}")
  32.     elseif(${BUILD_TYPE} STREQUAL "release")
  33.         message("2setLibIncluce: ${BUILD_TYPE}")
  34.  
  35.         set(OPENCVLIBINCLUDE ${PROJECT_SOURCE_DIR}/../lib/x64/release/opencv2)
  36.     else()
  37.  
  38.         message("3setLibIncluce: ${BUILD_TYPE}")
  39.  
  40.     endif()
  41. else()
  42.  
  43.     message("11setLibIncluce: ${CMAKE_BUILD_TYPE}")
  44. endif()
  45.  
  46. #引入头文件目录
  47. include_directories(${PROJECT_SOURCE_DIR}/../Include)
  48.  
  49. #引入头文件目录:opencv2
  50. include_directories(${PROJECT_SOURCE_DIR}/../Include/opencv2)
  51.  
  52. #搜索源文件
  53. file(GLOB_RECURSE PROJECT_SOURCES
  54. ${PROJECT_SOURCE_DIR}/*.c
  55. ${PROJECT_SOURCE_DIR}/*.cpp
  56. ${PROJECT_SOURCE_DIR}/*.cc
  57. ${PROJECT_SOURCE_DIR}/*.h
  58. ${PROJECT_SOURCE_DIR}/*.hpp
  59. ${PROJECT_SOURCE_DIR}/*.ui
  60. ${PROJECT_SOURCE_DIR}/*.qrc
  61. ${PROJECT_SOURCE_DIR}/*.rc
  62. )
  63.  
  64. #set(PROJECT_SOURCES CPP_SOURCES)
  65.  
  66. if(${QT_VERSION_MAJOR} GREATER_EQUAL 6)
  67.     qt_add_executable(example_opencv
  68.         MANUAL_FINALIZATION
  69.         ${PROJECT_SOURCES}
  70.     )
  71. # Define target properties for Android with Qt 6 as:
  72. #    set_property(TARGET example_opencv APPEND PROPERTY QT_ANDROID_PACKAGE_SOURCE_DIR
  73. #                 ${CMAKE_CURRENT_SOURCE_DIR}/android)
  74. # For more information, see https://doc.qt.io/qt-6/qt-add-executable.html#target-creation
  75. else()
  76.     if(ANDROID)
  77.         add_library(example_opencv SHARED
  78.             ${PROJECT_SOURCES}
  79.         )
  80. # Define properties for Android with Qt 5 after find_package() calls as:
  81. #    set(ANDROID_PACKAGE_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/android")
  82.     else()
  83.         add_executable(example_opencv
  84.             ${PROJECT_SOURCES}
  85.         )
  86.     endif()
  87. endif()
  88.  
  89. target_link_libraries(example_opencv PRIVATE Qt${QT_VERSION_MAJOR}::Widgets)
  90.  
  91. #链接库文件:根据debug和release模式选择
  92. if(CMAKE_BUILD_TYPE STREQUAL "Debug")
  93.  
  94.     string(TOLOWER ${CMAKE_BUILD_TYPE} BUILD_TYPE)
  95.  
  96.     if (${BUILD_TYPE} STREQUAL "debug")
  97.         target_link_libraries(example_opencv PRIVATE
  98.              ${OPENCVLIBINCLUDE}/opencv_img_hash452d.lib
  99.              ${OPENCVLIBINCLUDE}/opencv_world452d.lib
  100.             )
  101.         message("1target_link_libraries: ${BUILD_TYPE}")
  102.     elseif(${BUILD_TYPE} STREQUAL "release")
  103.  
  104.         #链接库文件:target_link_libraries
  105.         target_link_libraries(example_opencv PRIVATE
  106.              ${OPENCVLIBINCLUDE}/opencv_img_hash452.lib
  107.              ${OPENCVLIBINCLUDE}/opencv_world452.lib
  108.             )
  109.         message("2target_link_libraries: ${BUILD_TYPE}")
  110.     else()
  111.  
  112.         message("3target_link_libraries: ${BUILD_TYPE}")
  113.  
  114.     endif()
  115. else()
  116.  
  117.     message("11target_link_libraries: ${CMAKE_BUILD_TYPE}")
  118. endif()
  119.  
  120. set_target_properties(example_opencv PROPERTIES
  121.     MACOSX_BUNDLE_GUI_IDENTIFIER my.example.com
  122.     MACOSX_BUNDLE_BUNDLE_VERSION ${PROJECT_VERSION}
  123.     MACOSX_BUNDLE_SHORT_VERSION_STRING ${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}
  124.     MACOSX_BUNDLE TRUE
  125.     WIN32_EXECUTABLE TRUE
  126. )
  127.  
  128. if(QT_VERSION_MAJOR EQUAL 6)
  129.     qt_finalize_executable(example_opencv)
  130. endif()
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