0005548: ocamlbuild's ocamlfind integration doesn't support syntax extensions

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0005548

OCaml

OCamlbuild (the tool)

public

2012-03-20 11:07

2012-09-21 13:50

Reporter

gasche

Assigned To

meyer

Priority

normal

Severity

minor

Reproducibility

N/A

Status

assigned

Resolution

open

Platform

OS Version

Product Version

Target Version

4.01.0+dev

Fixed in Version

Summary

0005548: ocamlbuild's ocamlfind integration doesn't support syntax extensions

Description

OCamlbuild's ocamlfind integration includes -I-options and stuff from ocamlfind in the "compile" and "link" ocamlbuild steps but, to my knowledge, does not include them during preprocessing ("pp"). This means that while ocamlfind libraries can be used, I don't know how to use their attached syntax extensions (ocamlfind's predicate "syntax"). It would be nice if that was fixed.

Steps To Reproduce

With some ocamlfind package "foo.syntax" that enables syntax extensions, and some file "test.ml" using the extension,

ocamlfind ocamlc -syntax camlp4o -package foo.syntax test.ml

does not raise a syntax error, while for instance

ocamlbuild -use-ocamlfind -tag "package(foo.syntax)" test.pp.ml

does (because neither ocamlfind's -I-option nor the camlp4 extension archive name are included in the camlp4o invocation).

Additional Information

I have discussed this with Anil Madhavapeddy which mentioned a related need on the mailing list:

https://groups.google.com/forum/#!topic/fa.caml/y6VsobyJV0s/discussion [^]

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Notes
(0007112) gasche (developer) 2012-03-20 11:09	I discussed this with xclerc and therefore mark this as "acknowledged". If someone in the respected audience has a patch, please submit it! (Sane) contributions to fix ocamlbuild deficiencies are always welcome.

(0008042) meyer (developer) 2012-09-10 05:16	So ocamlbuild just does not use ocamlfind in this case. This definetely needs fixing.

Issue History
Date Modified	Username	Field	Change
2012-03-20 11:07	gasche	New Issue
2012-03-20 11:09	gasche	Note Added: 0007112
2012-03-20 11:09	gasche	Status	new => acknowledged
2012-07-10 11:27	doligez	Target Version	=> 4.01.0+dev
2012-07-31 13:36	doligez	Target Version	4.01.0+dev => 4.00.1+dev
2012-09-10 05:16	meyer	Note Added: 0008042
2012-09-10 05:16	meyer	Assigned To	=> meyer
2012-09-10 05:16	meyer	Status	acknowledged => assigned
2012-09-21 13:50	doligez	Target Version	4.00.1+dev => 4.01.0+dev