Alternative implementation approach

[gasche]

You shouldn't need to fork the whole codebase, because ocamlbuild provides ocamlbuild_pack.cmo that contains all the modules and the logic. So you should be able to just write your rmlbuild_specific.ml file (opening Ocamlbuild_pack in front), then fork the main.ml file, and then write a tiny rmlbuild.ml that just call the main () function, like ocamlbuild.ml does:

open Ocamlbuild_pack
Ocamlbuild_unix_plugin.setup ();
Rml_main.main ()

I think that doing this would minimize synchronization woes for you if the ocamlbuild sources evolve.

[mandel]

You are right, we should try to reimplement rmlbuild as you suggest. This code was simply an update of the old rmlbuild adapted to the new implementation of ocamlbuild.