我在互联网上浏览了很多，并且关注了这个网站。
我收到错误和警告。
CMake Warning:
No source or binary directory provided. Both will be assumed to be the
same as the current working directory, but note that this warning will
become a fatal error in future CMake releases.
CMake Error: The source directory "/home/superusr/vala-panel-appmenu" does not appear to contain CMakeLists.txt.
Specify --help for usage, or press the help button on the CMake GUI