Missing prerequisites: lilypond-book->latex

[Kevin Cole]

> Hi,
>
> I'm running the latest -- and greatest(?)  -- release of Pop!_OS,
> which is effectively Ubuntu. Specifically, 22.04 LTS ("Jammy").
>
> I've just installed LyX and have not adjusted any preferences /
> options / configurations. When I try Help -> Specific Manuals ->
> LilyPond I get a pop-up:
> ______________________________________________
> The module lilypond requires a package that is not
> available in your LaTeX installation, or a converter that
> you have not installed. LaTeX output may not be possible.
> Missing prerequisites:
>             lilypond-book->latex
> See section 3.1.2.3 (Modules) of the User's Guide for more information.
> ______________________________________________
>
> I've read elsewhere that it should just work "out of the box" on
> Ubuntu systems. What am I missing?
>
> P.S. For the record, I have:
>
> $ lyx --version
> LyX 2.3.6 (2020-11-27)
> Configuration
>   Host type:               x86_64-pc-linux-gnu
> ...
>
> $ lilypond --version
> GNU LilyPond 2.22.1
>
> $ lilypond-book --version
> 2.22.1
>
> $ latex --version
> pdfTeX 3.141592653-2.6-1.40.22 (TeX Live 2022/dev/Debian)
> kpathsea version 6.3.4/dev
> Copyright 2021 Han The Thanh (pdfTeX) et al.
>
> Just to be sure:
>
> $ dpkg -l | \
> > tr -s "\t " " " | \
> > cut -d " " -f 2-3 | \
> > egrep "(lyx|tex|lilypond)" | \
> > egrep -v "tex(t|port)"
> fonts-lyx 2.3.6-1
> fonts-texgyre 20180621-3.1
> geany-plugin-latex 1.38+dfsg-1
> latexmk 1:4.76-1
> libptexenc1:amd64 2021.20210626.59705-1build1
> libsynctex2:amd64 2021.20210626.59705-1build1
> libtexlua53:amd64 2021.20210626.59705-1build1
> libtexluajit2:amd64 2021.20210626.59705-1build1
> lilypond 2.22.1-2
> lilypond-data 2.22.1-2
> lilypond-doc 2.22.1-2
> lilypond-doc-html 2.22.1-2
> lilypond-doc-pdf 2.22.1-2
> lilypond-fonts 2.22.1-2
> lyx 2.3.6-1
> lyx-common 2.3.6-1
> pd-motex 1.1.4-4
> preview-latex-style 12.2-1ubuntu1
> tex-common 6.17
> tex-gyre 20180621-3.1
> texinfo 6.8-4build1
> texlive 2021.20220204-1
> texlive-base 2021.20220204-1
> texlive-binaries 2021.20210626.59705-1build1
> texlive-extra-utils 2021.20220204-1
> texlive-font-utils 2021.20220204-1
> texlive-fonts-recommended 2021.20220204-1
> texlive-fonts-recommended-doc 2021.20220204-1
> texlive-lang-english 2021.20220204-1
> texlive-lang-greek 2021.20220204-1
> texlive-latex-base 2021.20220204-1
> texlive-latex-base-doc 2021.20220204-1
> texlive-latex-extra 2021.20220204-1
> texlive-latex-extra-doc 2021.20220204-1
> texlive-latex-recommended 2021.20220204-1
> texlive-latex-recommended-doc 2021.20220204-1
> texlive-luatex 2021.20220204-1
> texlive-metapost 2021.20220204-1
> texlive-metapost-doc 2021.20220204-1
> texlive-pictures 2021.20220204-1
> texlive-pictures-doc 2021.20220204-1
> texlive-plain-generic 2021.20220204-1
> texlive-science 2021.20220204-1
> texlive-xetex 2021.20220204-1

P.S. Prior to sending the above, I ran the Tools->Reconfigure (though
from everything I read it wasn't necessary). No change. It still
didn't find what it's looking for.