From f2ae2c9b8f0bc2b495634444fb41056d817d7b93 Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Mon, 23 Jul 2018 06:22:46 +0000
Subject: [PATCH] =?UTF-8?q?ocamlPackages.estring:=20disable=20for=20OCaml?=
 =?UTF-8?q?=20=E2=89=A5=204.06?=
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---
 pkgs/development/ocaml-modules/estring/default.nix | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/ocaml-modules/estring/default.nix b/pkgs/development/ocaml-modules/estring/default.nix
index c0c8eb51f71..9f04dac343c 100644
--- a/pkgs/development/ocaml-modules/estring/default.nix
+++ b/pkgs/development/ocaml-modules/estring/default.nix
@@ -1,4 +1,8 @@
-{ stdenv, buildOcaml, fetchurl }:
+{ stdenv, buildOcaml, ocaml, fetchurl }:
+
+if stdenv.lib.versionAtLeast ocaml.version "4.06"
+then throw "estring is not available for OCaml ${ocaml.version}"
+else
 
 buildOcaml rec {
   name = "estring";