jgart via Guix-patches via schreef op vr 25-03-2022 om 21:12 [-0400]:
> +               (("/usr/bin/lilypond") (which "lilypond"))
> +               (("/usr/bin/mscore3") (which "mscore"))
> +               (("/usr/bin/xdg-open") (which "xdg-open"))
> +               (("LILYEXEC = 'lilypond'")
> +                (string-append "LILYEXEC = '" (which "lilypond") "'")))))
> [...]
> +    (inputs
> +      (list lilypond
> +            musescore
> +            xdg-utils))

'which' looks in native-inputs, not the 'inputs', so this is probably
incorrect when cross-compiling.  I suggest using (search-input-file
inputs "/bin/lilypond") instead.

Greetings,
Maxime.