From 595363a38f3735f0398dcb51de8e969032d6437f Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Thu, 1 Apr 2021 08:54:51 +0200
Subject: [PATCH] ocamlPackages.dtoa: use Dune 2

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

diff --git a/pkgs/development/ocaml-modules/dtoa/default.nix b/pkgs/development/ocaml-modules/dtoa/default.nix
index 62fa7cd08c8..da075f5c798 100644
--- a/pkgs/development/ocaml-modules/dtoa/default.nix
+++ b/pkgs/development/ocaml-modules/dtoa/default.nix
@@ -4,6 +4,8 @@ buildDunePackage rec {
   pname = "dtoa";
   version = "0.3.2";
 
+  useDune2 = true;
+
   minimumOCamlVersion = "4.02";
 
   src = fetchurl {