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

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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

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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

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