如图，请问这是什么意思，是失败了吧？除了Generating done，上面的都是红色的字。

Question

-----------------------------------------------------------Configuring done到这里为止，一切正常，我再点了一次Configure，红选项变白选项，这里没问题。接下来就有问题了。CMake Warning (dev) at apps/haartraining/CMakeLists.txt:37 (add_library): Policy CMP0038 is not set: Targets may not link directly to themselves. Run "cmake --help-policy CMP0038" for policy details. Use the cmake_policy command to set the policy and suppress this warning. Target "opencv_haartraining_engine" links to itself.This warning is for project developers. Use -Wno-dev to suppress it.CMake Warning (dev) at apps/haartraining/CMakeLists.txt:37 (add_library): Policy CMP0038 is not set: Targets may not link directly to themselves. Run "cmake --help-policy CMP0038" for policy details. Use the cmake_policy command to set the policy and suppress this warning.......................................Target "opencv_haartraining_engine" links to itself.This warning is for project developers. Use -Wno-dev to suppress it.Generating done求解决CMP0038。

Answer 1

<script type="text/javascript"> 
Leaf leaf = new Leaf("Leaf D");
root.Add(leaf);
root.Remove(leaf);
root.Display(1);
Console.Read();
}