You can find version 2.4.11-r5 of libgphoto on AlexT's repo. You will find the instructions on how to configure in Edison Package Repo Configuration Instructions.
After you have configured the repo and updated the list of packages all you need to do is to type "opkg install libgphoto2-2"
thanks a lot Peter.
Now my next step is to install gphoto2 .
I will inform you of the progress of my work.
It's great to hear that my post helped you. Sure, keep us informed on your project, we'll try to help you if you run into any other issues.