> This FTBFS: "! LaTeX Error: File `lmodern.sty' not found."
lmodern.sty comes from the package `lmodern`. This package should be installed (as a transitive dep) when 'texlive-fonts-extra' is installed. What is the process for installing build-deps? When I run `apt install texlive-fonts-extra`, the lmodern package also gets installed.