Download ChezSchema release 9.5.4 file csv9.5.4.tar.gz from https://github.com/cisco/ChezScheme/releases/tag/v9.5.4
Follow the build instruction at https://github.com/cisco/ChezScheme/blob/main/BUILDING
Inside unzipped folder of csv9.5.4, run
./configure --threads
sudo make install