let clean_cmd = if !clean_first then "ocamlbuild -clean;" else ""
let build_cmd = if otarget = "" then "" else
Printf.sprintf "ocamlbuild -use-ocamlfind %s %s %s %s"
let clean_cmd = if !clean_first then "ocamlbuild -clean;" else ""
let build_cmd = if otarget = "" then "" else
Printf.sprintf "ocamlbuild -use-ocamlfind %s %s %s %s"