CMakeLists.txt 项目模式（只有一个main函数入口）

cmake_minimum_required(VERSION 3.5)project(vsin01 VERSION 0.1 LANGUAGES CXX)set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)set(OpenCV_DIR  G:/MinGW_Opencv/opencv4.10/opencv4.10_MinGW_Release_x64_mingw1120_64/x64/mingw/lib)#库路径你自己换成你电脑上的find_package(OpenCV REQUIRED)include_directories(${OpenCV_INCLUDE_DIRS})# 包含 Eigen 头文件目录
include_directories("G:/eigen-3.4.0")# 查找项目中的所有 .cpp 源文件，排除 CMake 生成目录
file(GLOB_RECURSE SOURCES${CMAKE_SOURCE_DIR}/*.cpp${CMAKE_SOURCE_DIR}/*.hpp
)# 手动排除掉 CMake 生成的 CMakeFiles 目录
list(FILTER SOURCES EXCLUDE REGEX "/CMakeFiles/")# 将找到的文件添加到可执行文件中
add_executable(MYCODE ${SOURCES})target_link_libraries(MYCODE PRIVATE ${OpenCV_LIBS})

CMakeLists.txt 单文件模式，可以有多个main函数入口

cmake_minimum_required(VERSION 3.5)project(vsin01 VERSION 0.1 LANGUAGES CXX)set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)set(OpenCV_DIR  D:/Buildok/opencv4.10_MinGW_Release_x64_mingw1120_64/x64/mingw/lib)#库路径你自己换成你电脑上的find_package(OpenCV REQUIRED)include_directories(${OpenCV_INCLUDE_DIRS})set(PROJECT_SOURCESsss.cpp)add_executable(CMVS
${PROJECT_SOURCES}
)target_link_libraries(CMVS PRIVATE ${OpenCV_LIBS})

关于编译器的选择，如果不能选择mingw编译器可以把项目关闭，改名，再重新打开