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OpenCV building fails due to DirectX


OpenCV building fails due to DirectX

By : LogOutHonky
Date : October 25 2020, 07:10 PM
I think the issue was by ths following , To disable directx I had to turn off also all the items related to OpenCL:
OPENCL_FOUND OPENCV_DNN_OPENCL WITH_OPENCL WITH_OPENCLAMDBLAS WITH_OPENCLAMDFFT WITH OPENCL_D3D11_NV WITH_OPENCL_SVM
code :


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CMake fails when building OpenCV (Ubuntu)

CMake fails when building OpenCV (Ubuntu)


By : arc-tosis pylon
Date : March 29 2020, 07:55 AM
wish of those help to hetepeperfan I was able to fix my problem. It turns out I was simply missing a C++ compiler.
After running sudo apt-get install build-essential and cleaning up my build folder and rerunning cmake the problem was fixed.
OpenCV: cmake fails during building library on windows 7

OpenCV: cmake fails during building library on windows 7


By : Tomislav Malcovich
Date : March 29 2020, 07:55 AM
will help you First, why did you have to manually specify the path of your compiler to CMake? Do you have multiple version of Visual Studio installed? Also, did you recently upgraded/updated your .NET framework? That could be a possible reason. See the posts below for more details.
http://delta3d.org/forum/viewtopic.php?showtopic=22426
CUDA opencv building fails - missing file that is actually there

CUDA opencv building fails - missing file that is actually there


By : vijaya
Date : March 29 2020, 07:55 AM
wish of those help I got the solution, just in case someone stumbles over the same problem: it's the most simple thing that everybody knows until they don't - my include path contained a white space that apparently somewhere was treated as a String divider for whatever interprets that path.
Building OpenCV.js fails. CMake can't find installed compilers?

Building OpenCV.js fails. CMake can't find installed compilers?


By : user2740896
Date : March 29 2020, 07:55 AM
To fix the issue you can do I have the following directory structure: , The problem is a stupid assumption on my end. Writing:
code :
python ./platforms/js/build_js.py build_js --emscripten_dir=~/emsdk/
python ./platforms/js/build_js.py build_js --emscripten_dir=/home/username/emsdk/emscripten/1.38.30/
Building opencv with mingw. Fails when I import cv2. DLL load failed. Looking for .dll, but I have .dll.a's

Building opencv with mingw. Fails when I import cv2. DLL load failed. Looking for .dll, but I have .dll.a's


By : Ludovic Olivencia
Date : March 29 2020, 07:55 AM
help you fix your problem I feel really stupid. The dlls were in "C:\Program Files (x86)\bin" not "C:\Program Files (x86)\lib" It seems to work now.
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