> Re: bug#55415: emacs-minimal-28.1-builder: Unknown # object: "#<" Unverified solution: replace this ... (arguments (substitute-keyword-arguments (package-arguments emacs) ((#:configure-flags flags ''()) `(list "--with-gnutls=no" "--disable-build-details")) ((#:phases phases) `(modify-phases ,phases (delete 'restore-emacs-pdmp) (delete 'strip-double-wrap))))) by (arguments (substitute-keyword-arguments (package-arguments emacs) ((#:configure-flags flags ''()) #~(list "--with-gnutls=no" "--disable-build-details")) ((#:phases phases) #~(modify-phases #$phases (delete 'restore-emacs-pdmp) (delete 'strip-double-wrap))))) in the package definition of 'emacs-minimal'. The other package variants of emacs would also needs this change. The change to #:configure-flags is probably unnecessary but I think it's nice for consistency. Greetings, Maxime.