From ea993dd1fcba4e2e3ee4b146b9b4f1023a2331fc Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Tue, 27 Dec 2022 05:11:38 +0100
Subject: [PATCH] =?UTF-8?q?ocamlPackages.piaf:=20disable=20for=20OCaml=20?=
 =?UTF-8?q?=E2=89=A5=205.0?=
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---
 pkgs/development/ocaml-modules/piaf/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/development/ocaml-modules/piaf/default.nix b/pkgs/development/ocaml-modules/piaf/default.nix
index 0d0ec1594d40..7239a70a0b74 100644
--- a/pkgs/development/ocaml-modules/piaf/default.nix
+++ b/pkgs/development/ocaml-modules/piaf/default.nix
@@ -1,5 +1,6 @@
 { alcotest-lwt
 , buildDunePackage
+, ocaml
 , dune-site
 , fetchzip
 , gluten-lwt-unix
@@ -14,6 +15,9 @@
 , uri
 }:
 
+lib.throwIf (lib.versionAtLeast ocaml.version "5.0")
+  "piaf is not available for OCaml ${ocaml.version}"
+
 buildDunePackage rec {
   pname = "piaf";
   version = "0.1.0";