Re: [Cocci] A few build failures with OCaml 4.12.0

[Julia Lawall <julia.lawall@inria.fr>]

This problem is fixed now in the github version.

Thanks again Richard and Markus for the report.

julia

On Tue, 2 Mar 2021, Richard W.M. Jones wrote:

> ocamlfind ocamlopt -c -package result -package seq -bin-annot -no-alias-deps -I . -alert -deprecated stdcompat__arg_s.mli -o stdcompat__arg_s.cmi
> File "stdcompat__arg_s.mli", lines 3-17, characters 0-38:
>  3 | type spec = Arg.spec =
>  4 |   | Unit of (unit -> unit)
>  5 |   | Bool of (bool -> unit)
>  6 |   | Set of bool ref
>  7 |   | Clear of bool ref
> ...
> 14 |   | Tuple of spec list
> 15 |   | Symbol of string list * (string -> unit)
> 16 |   | Rest of (string -> unit)
> 17 |   | Expand of (string -> string array).
> Error: This variant or record definition does not match that of type Arg.spec
>        Constructors number 14 have different names, Rest_all and Expand.
>
> There is a new Rest_all constructor:
>
> https://github.com/ocaml/ocaml/blob/500d8dc8296d09305b5413f140c63ffee1de111d/stdlib/arg.mli#L92
>
> ----------------------------------------------------------------------
>
> ocamlfind ocamlopt -c -package result -package seq -bin-annot -no-alias-deps -I . -alert -deprecated stdcompat__spacetime_s.mli -o stdcompat__spacetime_s.cmi
> File "stdcompat__spacetime_s.mli", line 3, characters 16-32:
> 3 | module Series = Spacetime.Series
>                     ^^^^^^^^^^^^^^^^
> Error: Unbound module Spacetime
>
> This module was removed in OCaml commit
> 540996d21ee3793a1cecce252c81fb76a6b9fd61.
>
> ----------------------------------------------------------------------
>
> ocamlfind ocamlc -c -package result -package seq -bin-annot -no-alias-deps -I . -alert -deprecated stdcompat__ephemeron.ml -o stdcompat__ephemeron.cmo
> File "stdcompat__ephemeron.ml", line 1:
> Error: The implementation stdcompat__ephemeron.ml
>        does not match the interface stdcompat__ephemeron.cmi:
>        ...
>        At position module type S = <here>
>        Type declarations do not match:
>          type 'a t
>        is not included in
>          type !'a t
>        Their variances do not agree.
>        File "hashtbl.mli", line 335, characters 4-14: Expected declaration
>        File "stdcompat__ephemeron_s.mli", line 6, characters 4-13:
>          Actual declaration
>
> Not sure about this one but AFAICT cocci doesn't use this module.
>
> ----------------------------------------------------------------------
>
> I made a patch to workaround the issues in Fedora, but it's a pure hack:
>
>   https://src.fedoraproject.org/rpms/coccinelle/tree/rawhide
>
> Rich.
>
> --
> Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
> Read my programming and virtualization blog: http://rwmj.wordpress.com
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