Remco van 't Veer schreef op vr 10-06-2022 om 17:04 [+0200]: > +    (arguments > +     '(#:phases (modify-phases %standard-phases > +                  (add-before 'bootstrap 'disable-autogen-configure > +                    (lambda _ > +                      (substitute* "autogen.sh" > +                        (("^\\./configure") "# nop"))))))) As per , I recommend doing eliminating the ' in favour of 'list': (arguments (list #:phases #~(modify-phases [...]))) Greetings, Maxime.