dpic binary package in Ubuntu Focal riscv64

 dpic accepts a tight subset of the pic drawing language accepted
 by GNU pic (sometimes named gpic) or AT&T pic, and emits lower-level
 drawing commands for insertion into LaTeX documents, for processing
 by the xfig or Inkscape drawing tools, or for direct display as
 encapsulated Postscript, PDF, or SVG. LaTeX-compatible output can
 contain arbitrary text for formatting. Commands to be passed through
 to the postprocessor (PSTricks, Tikz-pgf, etc.) can be included.

Source package