Brice Waegeneire schreef op za 12-02-2022 om 11:44 [+0100]: > +             (substitute* "90-backlight.rules" > +               (("/bin") > +                (string-append (assoc-ref inputs "coreutils") "/bin"))) > +             #t))))) > +    (inputs > +     (list python)) coreutils-minimal needs to be added to inputs, otherwise the substitute* above won't work when cross-compiling. Also, phases do not have to return #t anymore. Greetings, Maxime