From cc6d25b0d3f0405c14301a36bd6408d2cc4a01d9 Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Wed, 7 Apr 2021 08:11:41 +0200
Subject: [PATCH] ocamlPackages.merlin-extend: use Dune 2

---
 pkgs/development/ocaml-modules/merlin-extend/default.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/development/ocaml-modules/merlin-extend/default.nix b/pkgs/development/ocaml-modules/merlin-extend/default.nix
index 752fbc039fa..6d4fcad0977 100644
--- a/pkgs/development/ocaml-modules/merlin-extend/default.nix
+++ b/pkgs/development/ocaml-modules/merlin-extend/default.nix
@@ -4,6 +4,8 @@ buildDunePackage rec {
   pname = "merlin-extend";
   version = "0.6";
 
+  useDune2 = true;
+
   src = fetchurl {
     url = "https://github.com/let-def/merlin-extend/releases/download/v${version}/merlin-extend-v${version}.tbz";
     sha256 = "0hvc4mz92x3rl2dxwrhvhzwl4gilnyvvwcqgr45vmdpyjyp3dwn2";