From 5d5089297eadba0609854e374c5ed6627929036f Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Wed, 3 May 2023 22:08:21 +0200
Subject: [PATCH] ocamlPackages.result: pin Dune to version 1 for OCaml < 4.08

---
 pkgs/development/ocaml-modules/ocaml-result/default.nix | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/pkgs/development/ocaml-modules/ocaml-result/default.nix b/pkgs/development/ocaml-modules/ocaml-result/default.nix
index 2fda6f1440b..15e8f96a484 100644
--- a/pkgs/development/ocaml-modules/ocaml-result/default.nix
+++ b/pkgs/development/ocaml-modules/ocaml-result/default.nix
@@ -1,11 +1,9 @@
 { lib, buildDunePackage, fetchurl, ocaml }:
 
-buildDunePackage rec {
+buildDunePackage (rec {
   pname = "result";
   version = "1.5";
 
-  useDune2 = lib.versionAtLeast ocaml.version "4.08";
-
   src = fetchurl {
     url = "https://github.com/janestreet/result/releases/download/${version}/result-${version}.tbz";
     sha256 = "0cpfp35fdwnv3p30a06wd0py3805qxmq3jmcynjc3x2qhlimwfkw";
@@ -21,4 +19,6 @@ buildDunePackage rec {
     '';
     license = lib.licenses.bsd3;
   };
-}
+} // lib.optionalAttrs (!lib.versionAtLeast ocaml.version "4.08") {
+  duneVersion = "1";
+})