The famous Land of Lisp uses CLISP. This is a tutorial to help you setup everything up. I use Spacemacs + Common Lisp Layer + CLISP + Manjaro Linux. After install the Common Lisp Layer in Spacemacs, when start up Slime, I got an error saying: could not load ASDF. Here is the fix that worked for me: Install asdf separately: yay asdf After it is successfully installed, it prints: To load ASDF every time you start Lisp, copy the lines from /etc/default/asdf to your ~/sbclrc or ~/.