OpenNI2 | OpenNI2 | Computer Vision library
kandi X-RAY | OpenNI2 Summary
kandi X-RAY | OpenNI2 Summary
OpenNI2
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QUESTION
my cmake seems to be having trouble finding the cuda compiler. Finding cuda as a package is successful, however the CMAKE_CUDA_COMPILER is set to false. The following output is generated by cmake:
...ANSWER
Answered 2021-Aug-31 at 09:38Okay, I found the issue. Every CUDA version only supports a specific gcc version. Compatibility can be found here: https://stackoverflow.com/a/46380601/9299366
After installation of CUDA at some point I changed my default gcc version resulting in this odd behaviour of cmake not being able to detect cuda despite nvcc and nvidia-smi properly working. I purged CUDA and the Nvidia driver completely, set a valid gcc version and reinstalled CUDA + driver. It seems to be working fine now.
QUESTION
When I build PCL library on Jetson TX2 from source via CMAKE, I get the following debug logs among other msgs:
...ANSWER
Answered 2020-Feb-03 at 06:11I found a file which was causing the CMAKE to include 10 sm_arch in compatibility list. Here's the link. I will re-compile after editing the file for just 1 sm_arch and compare the size of binaries generated. – Anuj Patil Jan 22 at 18:10
So findCUDA was the culprit here. Editing the files to required sm_arch does the trick!
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