From e58213f7d62d2ad62ade72f2f2bb7d7001e626df Mon Sep 17 00:00:00 2001
From: John Garcia <jgarcia3788@yahoo.co.uk>
Date: Fri, 5 Apr 2024 22:36:41 +0100
Subject: [PATCH] docfd: fix for darwin x86_64

---
 pkgs/by-name/do/docfd/package.nix | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/pkgs/by-name/do/docfd/package.nix b/pkgs/by-name/do/docfd/package.nix
index 8376745b1e5b..ebefb6f1cd70 100644
--- a/pkgs/by-name/do/docfd/package.nix
+++ b/pkgs/by-name/do/docfd/package.nix
@@ -1,5 +1,7 @@
 { lib
 , ocamlPackages
+, stdenv
+, overrideSDK
 , fetchFromGitHub
 , python3
 , dune_3
@@ -10,7 +12,13 @@
 , docfd
 }:
 
-ocamlPackages.buildDunePackage rec {
+let
+  # Needed for x86_64-darwin
+  buildDunePackage' = ocamlPackages.buildDunePackage.override {
+    stdenv = if stdenv.isDarwin then overrideSDK stdenv "11.0" else stdenv;
+  };
+in
+buildDunePackage' rec {
   pname = "docfd";
   version = "4.0.0";