From 0a29695c1f488e7d1932baa572625bf668e975aa Mon Sep 17 00:00:00 2001
From: Et7f3 <cadeaudeelie@gmail.com>
Date: Tue, 3 Jan 2023 01:06:14 +0100
Subject: [PATCH] ocamlPackages.labltk: fix build on darwin

---
 pkgs/development/ocaml-modules/labltk/default.nix | 4 ++--
 pkgs/top-level/ocaml-packages.nix                 | 4 +++-
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/pkgs/development/ocaml-modules/labltk/default.nix b/pkgs/development/ocaml-modules/labltk/default.nix
index fd7e5942454..4d5c4ae303e 100644
--- a/pkgs/development/ocaml-modules/labltk/default.nix
+++ b/pkgs/development/ocaml-modules/labltk/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, makeWrapper, fetchzip, ocaml, findlib, tcl, tk }:
+{ stdenv, lib, makeWrapper, fetchzip, Cocoa, ocaml, findlib, tcl, tk }:
 
 let
  params =
@@ -60,7 +60,7 @@ stdenv.mkDerivation rec {
   pname = "ocaml${ocaml.version}-labltk";
 
   nativeBuildInputs = [ ocaml findlib makeWrapper ];
-  buildInputs = [ tcl tk ];
+  buildInputs = [ tcl tk ] ++ lib.optionals stdenv.isDarwin [ Cocoa ];
 
   configureFlags = [ "--use-findlib" "--installbindir" "$(out)/bin" ];
   dontAddPrefix = true;
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index 09947eb4bbb..f2816f20cba 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -703,7 +703,9 @@ let
       then callPackage ../development/ocaml-modules/lablgtk-extras { }
       else callPackage ../development/ocaml-modules/lablgtk-extras/1.4.nix { };
 
-    labltk = callPackage ../development/ocaml-modules/labltk { };
+    labltk = callPackage ../development/ocaml-modules/labltk {
+      inherit (pkgs.darwin.apple_sdk.frameworks) Cocoa;
+    };
 
     lacaml = callPackage ../development/ocaml-modules/lacaml { };