Hi, please keep help-guix in Cc.
> Thanks. After following your steps I get > > guix package: warning: failed to load '(custom packages variants)': > ERROR: Unbound variable: name > guix package: error: lilypond: package not found for version 2.18 Okay, this means that we need to add the name field, because it is referenced in source -> origin -> uri. --8<---------------cut here---------------start------------->8--- (define lilypond-stable (package (inherit lilypond) (name "lilypond") (version "2.18.2") (source (origin (method url-fetch) (uri (string-append "http://download.linuxaudio.org/lilypond/sources/v" (version-major+minor version) "/" name "-" version ".tar.gz")) (sha256 (base32 "01xs9x2wjj7w9appaaqdhk15r1xvvdbz9qwahzhppfmhclvp779j")))))) --8<---------------cut here---------------end--------------->8--- -- Ricardo GPG: BCA6 89B6 3655 3801 C3C6 2150 197A 5888 235F ACAC https://elephly.net