From 1c58618fd12182ef081f187e0b1a1136b85c4a53 Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Sat, 14 Jul 2018 08:26:50 +0000
Subject: ocamlPackages.ppx_deriving: remove spurious dependency to camlp4

---
 .../ocaml-modules/ppx_deriving/default.nix           | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

(limited to 'pkgs/development/ocaml-modules/ppx_deriving')

diff --git a/pkgs/development/ocaml-modules/ppx_deriving/default.nix b/pkgs/development/ocaml-modules/ppx_deriving/default.nix
index 3afe4149fa34..24cfbcf5b7af 100644
--- a/pkgs/development/ocaml-modules/ppx_deriving/default.nix
+++ b/pkgs/development/ocaml-modules/ppx_deriving/default.nix
@@ -1,7 +1,11 @@
-{ stdenv, buildOcaml, ocaml, fetchzip
+{ stdenv, ocaml, findlib, ocamlbuild, fetchzip
 , cppo, ppx_tools, ppx_derivers, result, ounit, ocaml-migrate-parsetree
 }:
 
+if !stdenv.lib.versionAtLeast ocaml.version "4.02"
+then throw "ppx_deriving is not available for OCaml ${ocaml.version}"
+else
+
 let param =
   if ocaml.version == "4.03.0"
   then {
@@ -14,23 +18,21 @@ let param =
     extraPropagatedBuildInputs = [ ocaml-migrate-parsetree ppx_derivers ];
 }; in
 
-buildOcaml rec {
-  name = "ppx_deriving";
+stdenv.mkDerivation rec {
+  name = "ocaml${ocaml.version}-ppx_deriving-${version}";
   inherit (param) version;
 
-  minimumSupportedOcamlVersion = "4.02";
-
   src = fetchzip {
-    url = "https://github.com/whitequark/${name}/archive/v${version}.tar.gz";
+    url = "https://github.com/ocaml-ppx/ppx_deriving/archive/v${version}.tar.gz";
     inherit (param) sha256;
   };
 
-  hasSharedObjects = true;
-
-  buildInputs = [ cppo ounit ];
+  buildInputs = [ ocaml findlib ocamlbuild cppo ounit ];
   propagatedBuildInputs = param.extraPropagatedBuildInputs ++
     [ ppx_tools result ];
 
+  createFindlibDestdir = true;
+
   installPhase = "OCAMLPATH=$OCAMLPATH:`ocamlfind printconf destdir` make install";
 
   meta = with stdenv.lib; {
-- 
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