(rule
 (targets .vfiles.d)
 (deps
  (source_tree theories)
  (source_tree plugins))
 (action (with-stdout-to .vfiles.d (system "%{bin:coqdep} -dyndep opt -noglob -boot `find theories plugins -type f -name *.v`"))))

(alias
 (name vodeps)
 (deps tools/coq_dune.exe .vfiles.d))
  ; (action (run coq_dune .vfiles.d))))