From 09858c0a653ee27fab1cb44b02a21c2288118ce4 Mon Sep 17 00:00:00 2001
From: Weijia Wang <9713184+wegank@users.noreply.github.com>
Date: Wed, 14 Jun 2023 23:19:19 +0300
Subject: [PATCH] chickenPackages_5.chickenEggs.scheme2c-compatibility: fix
 build on x86_64-darwin

---
 pkgs/development/compilers/chicken/5/overrides.nix | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/compilers/chicken/5/overrides.nix b/pkgs/development/compilers/chicken/5/overrides.nix
index e707190adc05..36c3f1ad4b05 100644
--- a/pkgs/development/compilers/chicken/5/overrides.nix
+++ b/pkgs/development/compilers/chicken/5/overrides.nix
@@ -1,6 +1,9 @@
 { stdenv, pkgs, lib, chickenEggs }:
 let
   inherit (lib) addMetaAttrs;
+  addToNativeBuildInputs = pkg: old: {
+    nativeBuildInputs = (old.nativeBuildInputs or [ ]) ++ lib.toList pkg;
+  };
   addToBuildInputs = pkg: old: {
     buildInputs = (old.buildInputs or [ ]) ++ lib.toList pkg;
   };
@@ -59,7 +62,9 @@ in
   plot = addToBuildInputs pkgs.plotutils;
   postgresql = addToBuildInputsWithPkgConfig pkgs.postgresql;
   rocksdb = addToBuildInputs pkgs.rocksdb;
-  scheme2c-compatibility = addPkgConfig;
+  scheme2c-compatibility = old:
+    addToNativeBuildInputs (lib.optionals (stdenv.system == "x86_64-darwin") [ pkgs.memorymappingHook ])
+      (addPkgConfig old);
   sdl-base = addToBuildInputs pkgs.SDL;
   sdl2 = addToPropagatedBuildInputsWithPkgConfig pkgs.SDL2;
   sdl2-image = addToBuildInputs pkgs.SDL2_image;