From 2455478754f6757e0648e8c8a276da45b0b4fa1c Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Thu, 15 Mar 2018 17:13:02 +0000
Subject: [PATCH] ocamlPackages.findlib: fix META for library `threads`

---
 pkgs/development/tools/ocaml/findlib/default.nix | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/tools/ocaml/findlib/default.nix b/pkgs/development/tools/ocaml/findlib/default.nix
index 186b78ce3f3..997a81f889e 100644
--- a/pkgs/development/tools/ocaml/findlib/default.nix
+++ b/pkgs/development/tools/ocaml/findlib/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, m4, ncurses, ocaml, writeText}:
+{ stdenv, fetchurl, fetchpatch, m4, ncurses, ocaml, writeText }:
 
 stdenv.mkDerivation rec {
   name = "ocaml-findlib-${version}";
@@ -11,7 +11,12 @@ stdenv.mkDerivation rec {
 
   buildInputs = [m4 ncurses ocaml];
 
-  patches = [ ./ldconf.patch ./install_topfind.patch ];
+  patches = [ ./ldconf.patch ./install_topfind.patch
+    (fetchpatch {
+      url = "https://raw.githubusercontent.com/ocaml/opam-repository/1f29c5ef8eccd373e5ff2169a30bfd95a9ae6050/packages/ocamlfind/ocamlfind.1.7.3-1/files/threads.patch";
+      sha256 = "0cqgpjqpmfbr0ph3jr25gw8hgckj4qlfwmir6vkgi5hvn2qnjpx3";
+    })
+  ];
 
   dontAddPrefix=true;