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audreyls avatar audreyls commented on June 24, 2024 2

For anyone looking at this later, I fixed this by building OpenCV myself instead of using the pre-built binaries and specifying the OpenCV directory to CMake. The error above is because CMake isn't finding the correct OpenCV files. I'm using Windows, but hopefully this step-list is helpful for anyone else having this issue:

  1. Download OpenCV 2.4.13.6 Sources from https://opencv.org/releases.html
  2. Use CMake to make the files for MinGW Makefiles (if it fails to build in the next step, try adding the -DENABLE_PRECOMPILED_HEADERS=OFF flag)
  3. I then built OpenCV with MinGW64 in C:\opencv\build
  4. I specified the OpenCV directory to the system (In Windows CMD: setx -m OPENCV_DIR "C:\opencv\build") Or alternatively, just specify that to CMake when making gpu_flow.

Takeaway is that building OpenCV yourself from sources seems to fix this problem, or at least it did for me.

from gpu_flow.

kasparov92 avatar kasparov92 commented on June 24, 2024

I am having this issue, how have you solved it?

from gpu_flow.

tkoham avatar tkoham commented on June 24, 2024

no, ended up using something else for that project.

from gpu_flow.

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