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I am trying to use two opencv versions on my computer and I am trying to tell my system to use the most recent one that I compiled and installed locally.

I included the install folder in LD_LIBRARY_PATH and now want to check in which order my system can find opencv 2.4.8 (installed from apt-get) and opencv 3.0 (compiled). Is there a command for that?

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To check which library the app is using use ldd

ldd /path/to/application

also read up on ldconfig.

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  • Python does barely use other libraries when started, but it can load python bindings for Opencv for example at runtime. I need to know why it is still loading the older version.
    – Mehdi
    Sep 16, 2015 at 8:31

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