Ocamlbuild: the "rule" API function and tags

Ocamlbuild: the "rule" API function and tags

[Romain Bardou]

Hello,

The API function "rule" for Ocamlbuild has an argument "~tags" which 
seems to be used, in the file "ocaml_specific.ml" of the Ocamlbuild 
source, to restrict the rule to targets using specific tags.

However, when I tried to add a rule in my plugin, the rule is called 
whatever the tags of the file may be.

How can I control when a rule will be triggered using tags? I need to 
restrict my rule to files that use tag "test", for instance.

Thanks,

	Romain Bardou

Re: [Caml-list] Ocamlbuild: the "rule" API function and tags

[Nicolas Pouillard]

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Excerpts from Romain Bardou's message of Tue Feb 12 10:47:49 +0100 2008:
> Hello,
Hello,

> The API function "rule" for Ocamlbuild has an argument "~tags" which 
> seems to be used, in the file "ocaml_specific.ml" of the Ocamlbuild 
> source, to restrict the rule to targets using specific tags.

Forget  about  the  ~tags  argument  of the "rule" function, it's a deprecated
feature (as the last documentation of the function say it).

> However, when I tried to add a rule in my plugin, the rule is called 
> whatever the tags of the file may be.

Yes the argument is ignored.

> How can I control when a rule will be triggered using tags? I need to 
> restrict my rule to files that use tag "test", for instance.

You can't, but perhaps is there another way to obtain the same final result.

-- 
Nicolas Pouillard aka Ertai

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Re: [Caml-list] Ocamlbuild: the "rule" API function and tags

[Romain Bardou]

Thanks for your quick answer. It seems I'm looking at an obsolete 
documentation:
http://gallium.inria.fr/~pouillar/ocamlbuild/html/Signatures.PLUGIN.html

Next time I should browse the CVS source instead, it seems much more 
up-to-date ^^

-- 
Romain Bardou

Re: [Caml-list] Ocamlbuild: the "rule" API function and tags

[Nicolas Pouillard]

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Excerpts from Romain Bardou's message of Tue Feb 12 11:03:59 +0100 2008:
> Thanks for your quick answer. It seems I'm looking at an obsolete 
> documentation:
> http://gallium.inria.fr/~pouillar/ocamlbuild/html/Signatures.PLUGIN.html
> 
> Next time I should browse the CVS source instead, it seems much more 
> up-to-date ^^

Thanks, I've just updated it.

-- 
Nicolas Pouillard aka Ertai

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