Invalid character escape '\o'.

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Invalid character escape '\o'.

CMake Error at CMakeLists.txt:11 (find_package):
  Syntax error in cmake code at

    E:/project/body/Darknet/CMakeLists.txt:11

  when parsing string

    J:\opencv4.0.1\opencv\build

  Invalid character escape '\o'.

解决方法:

HINTS "J:/opencv4.0.1/opencv/build"