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No ocl in Ubuntu 18.04

See original GitHub issue

opencv2/ocl/ocl.hpp: No such file or directory

No opencv2/ocl/ocl.hpp in /usr/include

No libopencv-ocl-dev in APT database

What should I do now?

Issue Analytics

State:
Created 5 years ago
Reactions:3
Comments:6

Top GitHub Comments

4reactions

revastcommented, Nov 17, 2018

I guess I know whats going on… butterflow is made with opencv 2.4x series, whereas in ubuntu 18.04, the default version is already 3.x series.

So you will have to install the 2.4.x tree from source, e.g out of the /usr tree, e.g in /opt/opencv, and then link the libraries and includes so that the butterflow installer is catching them up. or install it in /usr/local, build, then find out which libraries butterflow needs to run, and copy them to the program folder, and preload them with LD_LIBRARY_PATH… thats what I am gonna try next.

edit: https://launchpad.net/~jeff250/+archive/ubuntu/opencv provides latest 2.4.x for bionic

1reaction

revastcommented, Nov 17, 2018

me too, opencv2/core/ocl.hpp is where ocl seems to be gone, and there is also a https://github.com/opencv/opencv/tree/master/modules/core/include/opencv2/core/opencl folder in there…

changing that in ocl.cpp, I get

/media/vault/compiles/1!__butterfl0w/butterflow/butterflow/ocl.cpp:58:11: error: ‘DeviceInfo’ does not name a type; did you mean ‘devices’? const DeviceInfo& currentDevice = Context::getContext()->getDeviceInfo();

searching in openCV source code, I can only find references of this regarding cuda…

https://github.com/opencv/opencv/search?q=DeviceInfo&unscoped_q=DeviceInfo

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