From a7a3d910392147fae005890ae3eb78a2cd202b7e Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Sat, 25 Mar 2017 06:57:46 +0000
Subject: [PATCH] ocamlPackages.ppx_traverse_builtins: init at 0.9.0

This OCaml library defines the default methods for builtin types
(int, string, list, ...) for Ppx_traverse.

Homepage: https://github.com/janestreet/ppx_traverse_builtins
---
 .../janestreet/ppx_traverse_builtins.nix      | 21 +++++++++++++++++++
 pkgs/top-level/ocaml-packages.nix             |  2 ++
 2 files changed, 23 insertions(+)
 create mode 100644 pkgs/development/ocaml-modules/janestreet/ppx_traverse_builtins.nix

diff --git a/pkgs/development/ocaml-modules/janestreet/ppx_traverse_builtins.nix b/pkgs/development/ocaml-modules/janestreet/ppx_traverse_builtins.nix
new file mode 100644
index 000000000000..d84983ed6348
--- /dev/null
+++ b/pkgs/development/ocaml-modules/janestreet/ppx_traverse_builtins.nix
@@ -0,0 +1,21 @@
+{ stdenv, fetchurl, ocaml, jbuilder, findlib }:
+
+stdenv.mkDerivation {
+	name = "ocaml${ocaml.version}-ppx_traverse_builtins-0.9.0";
+	src = fetchurl {
+		url = http://ocaml.janestreet.com/ocaml-core/v0.9/files/ppx_traverse_builtins-v0.9.0.tar.gz;
+		sha256 = "0zmf9kybll0xn8dsj10v260l0zwjyykimqml9rl7xqyjyl1rmnx6";
+	};
+
+	buildInputs = [ ocaml jbuilder findlib ];
+
+	inherit (jbuilder) installPhase;
+
+	meta = {
+		description = "Builtins for Ppx_traverse";
+		homepage = https://github.com/janestreet/ppx_traverse_builtins;
+		license = stdenv.lib.licenses.asl20;
+		inherit (ocaml.meta) platforms;
+		maintainers = [ stdenv.lib.maintainers.vbgl ];
+	};
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index 54460f855db6..bca0c1dc2161 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -682,6 +682,8 @@ let
       then callPackage ../development/ocaml-modules/janestreet/ppx_jane-113_33_00.nix {}
       else callPackage ../development/ocaml-modules/janestreet/ppx-jane.nix {};
 
+    ppx_traverse_builtins = callPackage ../development/ocaml-modules/janestreet/ppx_traverse_builtins.nix {};
+
 
     # Core sublibs
     typerep =