From ed1bc6d3699f825efd5c2aa319f3b00c6667c0df Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Wed, 30 Mar 2022 17:44:30 +0200
Subject: [PATCH] ocamlPackages.asn1-combinators: disable with OCaml < 4.08

Fixes build failures introduced by fbac0f4a6d367974be3a8ee015fd403a679a3402
---
 pkgs/development/ocaml-modules/asn1-combinators/default.nix | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/pkgs/development/ocaml-modules/asn1-combinators/default.nix b/pkgs/development/ocaml-modules/asn1-combinators/default.nix
index 3c8be666b66..8447c25cd70 100644
--- a/pkgs/development/ocaml-modules/asn1-combinators/default.nix
+++ b/pkgs/development/ocaml-modules/asn1-combinators/default.nix
@@ -3,13 +3,11 @@
 }:
 
 buildDunePackage rec {
-  minimumOCamlVersion = "4.05";
+  minimalOCamlVersion = "4.08";
 
   pname = "asn1-combinators";
   version = "0.2.6";
 
-  useDune2 = true;
-
   src = fetchurl {
     url = "https://github.com/mirleft/ocaml-asn1-combinators/releases/download/v${version}/asn1-combinators-v${version}.tbz";
     sha256 = "sha256-ASreDYhp72IQY3UsHPjqAm9rxwL+0Q35r1ZojikbGpE=";