Install in user space added by Lattay on Fri May 10 20:50:41 2019
$ chicken-csi -R base64 -p '(base64-encode "hello")' error... $ export CHICKEN_INSTALL_PREFIX=/home/theo/.local/share/chicken $ export CHICKEN_INSTALL_REPOSITORY=/home/theo/.local/share/chicken/lib $ export PATH=$PATH:/home/theo/.local/share/chicken/bin $ export CHICKEN_REPOSITORY_PATH=/home/theo/.local/share/chicken/lib:/usr/lib/chicken/9/ $ chicken-install base64 install... $ chicken-csi -R base64 -p '(base64-encode "hello")' work well !