Simen Endsjø skribis: > │ (define-public sbcl-log4cl-extras > │ [...] > │ (inputs > │ (list > │ cl-40ants-asdf-system > │ cl-pythonic-string-reader > │ cl-log4cl > │ cl-jonathan > │ cl-40ants-doc > │ cl-strings > │ cl-global-vars > │ cl-dissect > │ cl-with-output-to-stream)) > │ [...] Hi. As you're making a package for sbcl, it should use the inputs compiled for sbcl instead of the source-only inputs. E.g.: sbcl-log4cl instead of cl-log4cl, sbcl-cl-strings instead of cl-strings, etc.