From 6012e6dc0ec7a707fabd05aea6f85ac128721d1f Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Thu, 19 Nov 2020 07:36:15 +0100
Subject: [PATCH] ocamlPackages.mirage-flow: use Dune 2

---
 pkgs/development/ocaml-modules/mirage-flow/combinators.nix | 2 +-
 pkgs/development/ocaml-modules/mirage-flow/default.nix     | 1 +
 pkgs/development/ocaml-modules/mirage-flow/unix.nix        | 2 +-
 3 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/ocaml-modules/mirage-flow/combinators.nix b/pkgs/development/ocaml-modules/mirage-flow/combinators.nix
index 2ad6e5b0b97..d4904e77430 100644
--- a/pkgs/development/ocaml-modules/mirage-flow/combinators.nix
+++ b/pkgs/development/ocaml-modules/mirage-flow/combinators.nix
@@ -3,7 +3,7 @@
 buildDunePackage {
   pname = "mirage-flow-combinators";
 
-  inherit (mirage-flow) version src;
+  inherit (mirage-flow) version useDune2 src;
 
   propagatedBuildInputs = [ ocaml_lwt logs cstruct mirage-clock mirage-flow ];
 
diff --git a/pkgs/development/ocaml-modules/mirage-flow/default.nix b/pkgs/development/ocaml-modules/mirage-flow/default.nix
index 25bb5e0f32d..d6ba6603596 100644
--- a/pkgs/development/ocaml-modules/mirage-flow/default.nix
+++ b/pkgs/development/ocaml-modules/mirage-flow/default.nix
@@ -4,6 +4,7 @@ buildDunePackage rec {
   pname = "mirage-flow";
   version = "2.0.1";
 
+  useDune2 = true;
   minimumOCamlVersion = "4.05";
 
   src = fetchurl {
diff --git a/pkgs/development/ocaml-modules/mirage-flow/unix.nix b/pkgs/development/ocaml-modules/mirage-flow/unix.nix
index 7a20ca87f8f..3bd676b45fa 100644
--- a/pkgs/development/ocaml-modules/mirage-flow/unix.nix
+++ b/pkgs/development/ocaml-modules/mirage-flow/unix.nix
@@ -4,7 +4,7 @@
 buildDunePackage {
   pname = "mirage-flow-unix";
 
-  inherit (mirage-flow) version src;
+  inherit (mirage-flow) version useDune2 src;
 
   propagatedBuildInputs = [ fmt logs mirage-flow ocaml_lwt cstruct ];