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[SOLVED] opencv

I can't install opencv2. I get a compilation error

[  9%] Building CXX object modules/core/CMakeFiles/opencv_core_pch_dephelp.dir/opencv_core_pch_dephelp.cxx.o
In file included from /mnt/diskc/1/dauriac/.cache/pikaur/build/opencv2/src/opencv-2.4.13.6/modules/core/src/precomp.hpp:50,
                 from /mnt/diskc/1/dauriac/.cache/pikaur/build/opencv2/src/build/modules/core/opencv_core_pch_dephelp.cxx:1:
/mnt/diskc/1/dauriac/.cache/pikaur/build/opencv2/src/opencv-2.4.13.6/modules/core/include/opencv2/core/internal.hpp:195:12: fatal error: tbb/tbb_stddef.h: No such file or directory
  195 | #  include "tbb/tbb_stddef.h"
      |            ^~~~~~~~~~~~~~~~~~
compilation terminated.

Thank you for any help !

Last edited by dauriac (2023-05-26 17:19:41)

Re: [SOLVED] opencv

https://github.com/opencv/opencv/issues/19358
It's also in the comments of the AUR, https://aur.archlinux.org/packages/opencv2

Re: [SOLVED] opencv

nb. that you're trying to build opencv2, https://archlinux.org/packages/extra/x86_64/opencv/ is in the repos.
For PIP see https://wiki.archlinux.org/title/Python … management

When installing packages using pip, it is recommended to use a virtual environment to prevent conflicts with system packages in /usr. Alternatively, pip install --user can be used to install packages into the user scheme instead of /usr.