From 5ed1f1f2a639aec8748ef560f48b422dc301c6c6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?St=C3=A9phan=20Kochen?= <git@stephank.nl>
Date: Sat, 15 May 2021 14:18:41 +0200
Subject: [PATCH] frotz: fix darwin build

---
 pkgs/games/frotz/default.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/games/frotz/default.nix b/pkgs/games/frotz/default.nix
index 2e90176be7e..9b5256fc1c7 100644
--- a/pkgs/games/frotz/default.nix
+++ b/pkgs/games/frotz/default.nix
@@ -5,6 +5,8 @@
 , libsndfile
 , libvorbis
 , ncurses
+, which
+, pkg-config
 , lib, stdenv }:
 
 stdenv.mkDerivation rec {
@@ -19,6 +21,7 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-xVC/iE71W/Wdy5aPGH9DtcVAHWCcg3HkEA3iDV6OYUo=";
   };
 
+  nativeBuildInputs = [ which pkg-config ];
   buildInputs = [ libao libmodplug libsamplerate libsndfile libvorbis ncurses ];
   preBuild = ''
     makeFlagsArray+=(