opencv/cv.h not found

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Hello,

I am trying to build the project of ORB_SLAM2 from this repository.

I have installed all the required dependencies that are mentioned in that repository. However, when I run

./build.sh

I get this error:

/<path_to_folder>/ORB_SLAM2/include/ORBextractor.h:26:23: fatal error: opencv/cv.h: No such file or directory

I have installed opencv4.2.0 from source in a docker image and I want to build the mentioned project in a docker container. I have been looking around how I could get the cv.h file, but I didn't find anything and that's why I am making this post.

This is the Dockerfile I used to create the docker image with opencv4.2 and cuda 10.2

Thank you very much,

Jordi