Subject: [bug#51351] [PATCH] gnu: pplacer: Fix build.

From: Efraim Flashner <[email-masked]>
Date: Mon, 15 Nov 2021 15:40:35 +0200

On Sat, Oct 23, 2021 at 04:30:08PM +0200, Julien Lepiller wrote:
> From 5a85894ee405d2fbe909b61fb3817aa44d6a08df Mon Sep 17 00:00:00 2001
> Message-Id: <[email-masked]>
> From: Julien Lepiller <[email-masked]>
> Date: Sat, 23 Oct 2021 15:22:11 +0200
> Subject: [PATCH 1/6] gnu: Add ocaml4.07-re.
> 
> * gnu/packages/ocaml.scm (ocaml4.07-re): New variable.
> ---
>  gnu/packages/ocaml.scm | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)
> 
> diff --git a/gnu/packages/ocaml.scm b/gnu/packages/ocaml.scm
> index 660bc44bc7..412e9e339d 100644
> --- a/gnu/packages/ocaml.scm
> +++ b/gnu/packages/ocaml.scm
> @@ -3353,6 +3353,7 @@ (define-public ocaml-re
>       `(("ocaml-seq" ,ocaml-seq)))
>      (native-inputs
>       `(("ounit" ,ocaml-ounit)))
> +    (properties `((ocaml4.07-variant . ,(delay ocaml4.07-re))))
>      (home-page "https://github.com/ocaml/ocaml-re/")
>      (synopsis "Regular expression library for OCaml")
>      (description "Pure OCaml regular expressions with:
> @@ -3365,6 +3366,19 @@ (define-public ocaml-re
>  @end enumerate")
>      (license license:expat)))
>  

The alternate option I came up with was dropping this down to 1.9.0.

> +(define-public ocaml4.07-re
> +  (package-with-ocaml4.07
> +    (package
> +      (inherit ocaml-re)
> +      (arguments
> +       `(#:test-target "."
> +         #:phases
> +         (modify-phases %standard-phases
> +           (add-after 'unpack 'fix-dune-version
> +             (lambda _
> +               (delete-file "dune-project"))))))
> +      (properties '()))))
> +
>  (define-public ocaml-ocplib-endian
>    (package
>      (name "ocaml-ocplib-endian")
> -- 
> 2.33.0
> 

-- 
Efraim Flashner   <[email-masked]>   רנשלפ םירפא
GPG key = A28B F40C 3E55 1372 662D  14F7 41AA E7DC CA3D 8351
Confidentiality cannot be guaranteed on emails sent or received unencrypted