Re: [Caml-list] why is building ocaml hard?

[Martin DeMello <martindemello@gmail.com>]

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On Sun, Jul 10, 2016 at 4:03 AM, Gerd Stolpmann <info@gerd-stolpmann.de>
wrote:

> So how to fix this? In my opinion there are two solutions. You can
> either have a more intelligent ocamldep (e.g. one that reads in
> non-local cmi files and uses that information and also tries to
> interpret all project ml files at once and not file by file - btw, did
> anybody check whether there is an algorithm that precisely solves the
> problem?). The other solution path is to mark toplevel modules in the
> syntax of OCaml (e.g. you'd have to do "open ^M2" is M2 is a toplevel
> module).
>

Would an acceptable third option be to simply record the dag explicitly in
your build file? Working with google's build system [opensourced as bazel:
http://www.bazel.io/] has given me a great appreciation for simply writing
out build dependencies manually; sure, it is relatively tedious to have to
write out the graph yourself rather than have ocamldep figure it out, but
the time and effort to do so is a small fraction of the overall development
time of your project, and the reward is a 100% reliable "detection" of the
build topology.

martin

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