1.

git clonehttps://github.com/occipital/OpenNI2.git

2.

make -j${nproc}

3.

go to ./Packaging

ReleaseVersion.py x64

4. go to ./Final

extractOpenNI-Linux-x64-2.2.tar.bz2 then go into it

sudo ./install.sh

5.

cat OpenNIDevEnvironment >> ~/.bashrc

source ~/.bashrc