From cc2ac8a39ebad753d8da6adf4c0d3dd18ec7fa65 Mon Sep 17 00:00:00 2001
From: Vincent Laporte <vbgl@users.noreply.github.com>
Date: Wed, 23 May 2018 10:33:26 +0200
Subject: [PATCH] ocamlPackages.imagelib: init at 20171028 (#40910)

---
 .../ocaml-modules/imagelib/default.nix        | 26 +++++++++++++++++++
 pkgs/top-level/ocaml-packages.nix             |  2 ++
 2 files changed, 28 insertions(+)
 create mode 100644 pkgs/development/ocaml-modules/imagelib/default.nix

diff --git a/pkgs/development/ocaml-modules/imagelib/default.nix b/pkgs/development/ocaml-modules/imagelib/default.nix
new file mode 100644
index 000000000000..77b18f0ce3a9
--- /dev/null
+++ b/pkgs/development/ocaml-modules/imagelib/default.nix
@@ -0,0 +1,26 @@
+{ stdenv, fetchFromGitHub, which, ocaml, findlib, ocamlbuild, decompress }:
+
+stdenv.mkDerivation rec {
+  version = "20171028";
+  name = "ocaml${ocaml.version}-imagelib-${version}";
+  src = fetchFromGitHub {
+    owner = "rlepigre";
+    repo = "ocaml-imagelib";
+    rev = "ocaml-imagelib_${version}";
+    sha256 = "1frkrgcrv4ybdmqcfxpfsywx0hm1arxgxp32n8kzky6qip1g0zxf";
+  };
+
+  buildInputs = [ which ocaml findlib ocamlbuild ];
+
+  propagatedBuildInputs = [ decompress ];
+
+  createFindlibDestdir = true;
+
+  meta = {
+    description = "Image formats such as PNG and PPM in OCaml";
+    license = stdenv.lib.licenses.lgpl3;
+    maintainers = [ stdenv.lib.maintainers.vbgl ];
+    inherit (src.meta) homepage;
+    inherit (ocaml.meta) platforms;
+  };
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index e46888992f77..7bbb56c7b646 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -269,6 +269,8 @@ let
 
     higlo = callPackage ../development/ocaml-modules/higlo { };
 
+    imagelib = callPackage ../development/ocaml-modules/imagelib { };
+
     inotify = callPackage ../development/ocaml-modules/inotify { };
 
     integers = callPackage ../development/ocaml-modules/integers { };