rk3399编译opencv，使用imshow时提示要If you are on Ubuntu or Debian, install libgtk2.0-dev and pkg-config
环境
rk3399，编译opencv4.3.0
错误提示
使用videocapture读取摄像头并imshow出来，报错：
what(): OpenCV(4.2.0) OpenCV/modules/highgui/src/window.cpp:634: error: (-2:Unspecified error)
1. If you are on Ubuntu or Debian, install libgtk2.0-dev and pkg-config, then re-run cmake or con.
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2021-04-30 10:24:32 ·
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