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I need some versions of a package which are in xenial's repo, but I have bionic. How can I do?

The long version is : I need libopencv in version 2.4 (which is provided by the xenial official repository) but in bionic it is in version 3. so I need to remove version 3, add the xenial repository, and use apt-get specifying version 2.4. Is it safe? How to do this?

thank you

EDIT: What I am trying to do is to install sikuli, an applications driver which works by picture recognition. It needs among other dependencies, opencv (for the 'vision' ability) but in version 2.4.

  • It is impossible without crashing your system. – Pilot6 Jun 6 '18 at 14:33
  • What are you trying to do? Maybe it better to solve this with virtualenv or docker or a vm ? – pLumo Jun 6 '18 at 14:39
  • I'm not completely sure, but Ubuntu Bionic has package named sikulix, and it depends on OpenCV. Will this solve your problem? – N0rbert Jun 7 '18 at 20:19

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