From ffcfca42e4f263af4e1281769f050e01b114fd79 Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Fri, 26 May 2023 08:38:20 +0200
Subject: [PATCH] ocamlPackages.lwt: fix for OCaml 5.0

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

diff --git a/pkgs/development/ocaml-modules/lwt/default.nix b/pkgs/development/ocaml-modules/lwt/default.nix
index cf631fd08e41..4033336ae119 100644
--- a/pkgs/development/ocaml-modules/lwt/default.nix
+++ b/pkgs/development/ocaml-modules/lwt/default.nix
@@ -16,6 +16,8 @@ buildDunePackage rec {
   };
 
   postPatch = lib.optionalString (lib.versionAtLeast ocaml.version "5.0") ''
+    substituteInPlace src/core/dune \
+      --replace "(libraries bytes)" ""
     substituteInPlace src/unix/dune \
       --replace "libraries bigarray lwt" "libraries lwt"
   '';