C/C++开发问题

#39;std::filesystem#39; has not been declared after including lt;experimental/filesystemgt;(std::filesystem 在包含 lt;experimental/filesystemgt; 后没有被声明)
zlib in Qt - QtZlib not present(Qt 中的 zlib - QtZlib 不存在)
How to place header and ui file in different folders using autouic in cmake(如何在cmake中使用autouic将标题和ui文件放在不同的文件夹中)
CMake include path(CMake 包含路径)
Appending to CMAKE_C_FLAGS(附加到 CMAKE_C_FLAGS)
Not sure how to build OpenCV for MinGW(不确定如何为 MinGW 构建 OpenCV)
target_compile_options() for only C++ files?(target_compile_options() 仅用于 C++ 文件?)
How to change a compiler flag for just one executable in CMake?(如何在 CMake 中仅为一个可执行文件更改编译器标志?)
OpenCV 3.x only contains one lib - opencv_world.lib?(OpenCV 3.x 只包含一个库 - opencv_world.lib?)
C++ CMake (add non-built files)(C++ CMake(添加非构建文件))
cmake does not find qt 5.1.1(cmake 找不到 qt 5.1.1)
CMake Error: quot;add_subdirectory not given a binary directoryquot;(CMake 错误:“add_subdirectory 未给出二进制目录)