From 03cd92fe70a6a7bdcfc958bcdba58d0664ff19c4 Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Fri, 22 May 2020 11:10:04 +0200
Subject: [PATCH] =?UTF-8?q?ocamlPackages.lens:=20disable=20for=20OCaml=20?=
 =?UTF-8?q?=E2=89=A5=204.10?=
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---
 pkgs/development/ocaml-modules/lens/default.nix | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/ocaml-modules/lens/default.nix b/pkgs/development/ocaml-modules/lens/default.nix
index 4a9706b4ba83..c26b3dbe7374 100644
--- a/pkgs/development/ocaml-modules/lens/default.nix
+++ b/pkgs/development/ocaml-modules/lens/default.nix
@@ -1,4 +1,8 @@
-{ lib, fetchzip, ppx_deriving, ppxfind, buildDunePackage }:
+{ lib, ocaml, fetchzip, ppx_deriving, ppxfind, buildDunePackage }:
+
+if lib.versionAtLeast ocaml.version "4.10"
+then throw "lens is not available for OCaml ${ocaml.version}"
+else
 
 buildDunePackage rec {
   pname = "lens";