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I would like to add some info the previous answer you got.

It is my understanding that openCV on indigo is a thrid party app and thus does not depend on ros itself. It is the version your Ubuntu installation (if you are Ubuntu) is shipping.

Thus, if I am correct, if you want a specific version, just download it and install it from source. CMake should take care of the rest once it is installed :). You do not need to get it back into standalone mode.

Working with both version in parallel is not recommended because it might lead to some issue when trying to compile and link.

This is not true for kinetic.

_EDIT : If someone could confirm this because I'm not so sure_

I would like to add some info the previous answer you got.

It is my understanding that openCV on indigo is a thrid party app and thus does not depend on ros itself. It is the version your Ubuntu installation (if you are Ubuntu) is shipping.

Thus, if I am correct, if you want a specific version, just download it and install it from source. CMake should take care of the rest once it is installed :). You do not need to get it back into standalone mode.

Working with both version in parallel is not recommended because it might lead to some issue when trying to compile and link.

This is not true for kinetic.

_EDIT : If someone could confirm this because I'm not so sure_

I would like to add some info the previous answer you got.

It is my understanding that openCV on indigo is a thrid party app and thus does not depend on ros itself. It is the version your Ubuntu installation (if you are Ubuntu) is shipping.

Thus, if I am correct, if you want a specific version, just download it and install it from source. CMake should take care of the rest once it is installed :). You do not need to get it back into standalone mode.

Working with both version in parallel is not recommended because it might lead to some issue when trying to compile and link.

This is not true for kinetic.