From 33c744266b7dd29029801b898e1fed7a24aa38ac Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Thu, 6 Apr 2023 08:05:32 +0200
Subject: [PATCH] ocamlPackages.elpi: use Dune 3

---
 pkgs/development/ocaml-modules/elpi/default.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/development/ocaml-modules/elpi/default.nix b/pkgs/development/ocaml-modules/elpi/default.nix
index e921ffd0645..4467ce3de8c 100644
--- a/pkgs/development/ocaml-modules/elpi/default.nix
+++ b/pkgs/development/ocaml-modules/elpi/default.nix
@@ -35,6 +35,7 @@ buildDunePackage rec {
     ./atd_2_10.patch;
 
   minimalOCamlVersion = "4.04";
+  duneVersion = "3";
 
   # atdgen is both a library and executable
   nativeBuildInputs = [ perl ]