cd /path/to/PYBIND11 tar -xvf pybind11-2.6.2.tar.gz
cd pybind11-2.6.2
mkdir /path/to/PYBIND11/build cmake -H. -B/path/to/PYBIND11/build -DCMAKE_INSTALL_PREFIX=/path/to/PYBIND11/install
cd /path/to/PYBIND11/build make -j make install