From bdcba831536204028faa9861b55ee7236cbce329 Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Sun, 8 Mar 2020 16:58:54 +0100
Subject: [PATCH] =?UTF-8?q?ocamlPackages.earley:=20disable=20for=20OCaml?=
 =?UTF-8?q?=20=E2=89=A5=204.08?=
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---
 pkgs/development/ocaml-modules/earley/default.nix | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/ocaml-modules/earley/default.nix b/pkgs/development/ocaml-modules/earley/default.nix
index ab3011361e12..f47231a242e0 100644
--- a/pkgs/development/ocaml-modules/earley/default.nix
+++ b/pkgs/development/ocaml-modules/earley/default.nix
@@ -1,4 +1,8 @@
-{ lib, fetchurl, buildDunePackage }:
+{ lib, fetchurl, ocaml, buildDunePackage }:
+
+if lib.versionAtLeast ocaml.version "4.08"
+then throw "earley is not available for OCaml ${ocaml.version}"
+else
 
 buildDunePackage rec {
   version = "2.0.0";