[Linux] SliceOpenCV build

Development
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1

I am trying to fix the SlicerOpenCV build in order to re-enable the extension, but I am experiencing some roadblocks. I am able to successfully build the extension on Ubuntu 20.04 with gcc 9.x.

I notice that the build machine is on gcc 7.y. This is probably the reason, right?

I’m trying to make sense of the build error but I don’t know if I’m missing something in the build machine log output

https://slicer.cdash.org/viewBuildError.php?buildid=2670747

@Sam_Horvath is it possible to set up a 20.04 build machine to see if it passes?

2

I was able to compile SlicerOpenCV with gcc-11.2 on my local machine. The main issue in my case was the correct path to OpenCV cmake files.

3

Build fixed. OpenCV install folder was distribution dependent (lib on some, lib64 on others). Explicitly setting this fixed the issue.