From 4307699fdbdd687c22548cd5eed381a690edc93f Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Thu, 18 Mar 2021 05:45:20 +0100
Subject: [PATCH] ocamlPackages.lru: use Dune 2

And enable tests
---
 pkgs/development/ocaml-modules/lru/default.nix | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/ocaml-modules/lru/default.nix b/pkgs/development/ocaml-modules/lru/default.nix
index e5c7937b27a4..035d612cfe27 100644
--- a/pkgs/development/ocaml-modules/lru/default.nix
+++ b/pkgs/development/ocaml-modules/lru/default.nix
@@ -1,9 +1,11 @@
-{ lib, fetchurl, buildDunePackage, psq }:
+{ lib, fetchurl, buildDunePackage, ocaml, psq, qcheck-alcotest }:
 
 buildDunePackage rec {
   pname = "lru";
   version = "0.3.0";
 
+  useDune2 = true;
+
   src = fetchurl {
     url = "https://github.com/pqwy/lru/releases/download/v${version}/lru-v${version}.tbz";
     sha256 = "1ab9rd7cq15ml8x0wjl44wy99h5z7x4g9vkkz4i2d7n84ghy7vw4";
@@ -11,6 +13,9 @@ buildDunePackage rec {
 
   propagatedBuildInputs = [ psq ];
 
+  doCheck = lib.versionAtLeast ocaml.version "4.05";
+  checkInputs = [ qcheck-alcotest ];
+
   meta = {
     homepage = "https://github.com/pqwy/lru";
     description = "Scalable LRU caches for OCaml";