curr_dir=`pwd`
cd /tmp
wget <https://gitlab.com/libeigen/eigen/-/archive/3.3.4/eigen-3.3.4.tar.bz2>
tar xzvf eigen-3.3.4.tar.bz2
cd eigen-3.3.4.tar.bz2
mkdir build
cd build
cmake ..
sudo make install
cd "$curr_dir"

eigen-3.3.4.tar.bz2