From 244c5561fb36ee1b10285aec4fbf14917646df06 Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Sun, 9 Apr 2023 07:08:24 +0200
Subject: [PATCH] ocamlPackages.hack_parallel: use Dune 3

And disable for OCaml < 4.08 (broken)
---
 pkgs/development/ocaml-modules/hack_parallel/default.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/ocaml-modules/hack_parallel/default.nix b/pkgs/development/ocaml-modules/hack_parallel/default.nix
index afd49b87165..6ce3288f647 100644
--- a/pkgs/development/ocaml-modules/hack_parallel/default.nix
+++ b/pkgs/development/ocaml-modules/hack_parallel/default.nix
@@ -3,8 +3,8 @@
 buildDunePackage rec {
   pname = "hack_parallel";
   version = "1.0.1";
-  useDune2 = true;
-  minimumOcamlVersion = "4.04.1";
+  duneVersion = "3";
+  minimalOCamlVersion = "4.08";
 
   src = fetchFromGitHub {
     owner = "rvantonder";