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Ocamlbuild question
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Date: 2009-02-12 (16:01)
From: Nicolas Pouillard <nicolas.pouillard@g...>
Subject: Re: [Caml-list] Ocamlbuild question
Excerpts from Matthieu Dubuget's message of Wed Feb 11 23:26:43 +0100 2009:
> Hello,
> I'm trying to manage "internal" camlfind packages. I use "internal" with
> the same meanning than in ocamlbuild documentation when speaking about
> libraries.
> I want my camlfind packages to be re-installed if one of their
> dependency was modified. For this, I wrote a simple rule, based on
> %.iocamlfind files containing the files to install into findlib
> directory. This rule also produces a stamp file : %.oocamlfind.
> I also want my camlfind package to be installed if they are needed by
> another rule. For this, I do: dep ["pkg_"^nm][nm ^ ".oocamlfind"] for
> each internal package.
> It seems to work ok: Suppose that package toto requires package tutu.
> When I ask ocamlbuild toto.oocamlfind, the packages tutu is re-built if
> needed. And if I modify one file of tutu, and then ask ocamlbuild to
> generate toto.oocamlbuild, tutu is re-built and installed into findlib
> directories. fine.
> BUT, when I'm producing a %.native from %.cmx, my dependencies (ie
> %.oocamlfind files) are inserted in the command line...
> Here is an example:
> ocamlfind ocamlopt -linkpkg -package mtsvrac -package log
> logtest/test.cmx mtsvrac.oocamlfind log.oocamlfind -o logtest/test.native
> mtsvrac.oocamlfind and log.oocamlfind where added to the dependencies of
> logtest/test.native.
> What would be the right solution to avoid this problem?
> Is there something like a "dependency that should not be linked?"


You should try to tag your .oocamlfind file with the dont_link_with tag.

(this point certainly needs an entry in the FAQ...)

Best regards,

Nicolas Pouillard