Hello! Ludovic Courtès skribis: > $ cat /tmp/unbound.scm > (use-modules (srfi srfi-35)) > > (condition (&message (message "oh no!")) > (&serious)) > $ guild compile -Wunbound-variable /tmp/unbound.scm > /tmp/unbound.scm:3:0: warning: possibly unbound variable `make-compound-condition' The problem was that ‘make-compound-condition’ is re-exported from (srfi srfi-35) and this particular case was not handled. The attached patch fixes it. Let me know what you think! Ludo’.