- debhelper-compat (= 12)
- quilt
- x11proto-core-dev (>= 7.0.13)
- x11proto-xext-dev (>= 7.0.3)
- x11proto-input-dev (>= 2.2.99.1)
- libx11-dev (>= 2:1.4.99.1)
- libxext-dev (>= 2:1.1.1-3)
- libxfixes-dev (>= 5)
- xmlto
- asciidoc (>= 8.4.5)
- pkg-config
- xutils-dev (>= 1:7.6+2)
- xorg-sgml-doctools (>= 1:1.8)
- xsltproc
- w3m