From 3a9ae7e367d23f255c4dde4da7a10db69a9e8b3f Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Sat, 25 Feb 2017 21:31:14 +0000
Subject: [PATCH] ocamlPackages.ppx_compare: init at 113.33.00+4.03

---
 .../janestreet/ppx_compare-113_33_00.nix      | 21 +++++++++++++++++++
 pkgs/top-level/ocaml-packages.nix             |  5 ++++-
 2 files changed, 25 insertions(+), 1 deletion(-)
 create mode 100644 pkgs/development/ocaml-modules/janestreet/ppx_compare-113_33_00.nix

diff --git a/pkgs/development/ocaml-modules/janestreet/ppx_compare-113_33_00.nix b/pkgs/development/ocaml-modules/janestreet/ppx_compare-113_33_00.nix
new file mode 100644
index 000000000000..794570402025
--- /dev/null
+++ b/pkgs/development/ocaml-modules/janestreet/ppx_compare-113_33_00.nix
@@ -0,0 +1,21 @@
+{ stdenv, fetchurl, ocaml, findlib, ocamlbuild, opam, topkg
+, ppx_tools, ppx_deriving, ppx_type_conv
+}:
+
+stdenv.mkDerivation {
+  name = "ocaml${ocaml.version}-ppx_compare-113.33.00+4.03";
+  src = fetchurl {
+    url = http://ocaml.janestreet.com/ocaml-core/113.33/files/ppx_compare-113.33.00+4.03.tar.gz;
+    sha256 = "07drgg6c857lsvxdjscdcb1ncdr5p3183spw32sbfcrbnr12nzys";
+  };
+
+  buildInputs = [ ocaml findlib ocamlbuild opam ppx_tools ];
+  propagatedBuildInputs = [ ppx_type_conv ppx_deriving ];
+
+  inherit (topkg) installPhase;
+
+  meta = {
+    license = stdenv.lib.licenses.asl20;
+    inherit (ocaml.meta) platforms;
+  };
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index 5ad601af15da..e7354b92343b 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -569,7 +569,10 @@ let
       then callPackage ../development/ocaml-modules/janestreet/ppx_type_conv-113_33_02.nix { }
       else callPackage ../development/ocaml-modules/janestreet/ppx-type-conv.nix {};
 
-    ppx_compare = callPackage ../development/ocaml-modules/janestreet/ppx-compare.nix {};
+    ppx_compare =
+      if lib.versionOlder "4.03" ocaml.version
+      then callPackage ../development/ocaml-modules/janestreet/ppx_compare-113_33_00.nix {}
+      else callPackage ../development/ocaml-modules/janestreet/ppx-compare.nix {};
 
     ppx_here = callPackage ../development/ocaml-modules/janestreet/ppx-here.nix {};