From 64646c982c9cc5fbbfc9991cb182b5b0ff779bd8 Mon Sep 17 00:00:00 2001
From: David McFarland <corngood@gmail.com>
Date: Mon, 6 Jan 2025 18:31:54 +0000
Subject: [PATCH] p4: fix darwin build

---
 pkgs/applications/version-management/p4/default.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkgs/applications/version-management/p4/default.nix b/pkgs/applications/version-management/p4/default.nix
index 9bca47e60892..3dd91492e904 100644
--- a/pkgs/applications/version-management/p4/default.nix
+++ b/pkgs/applications/version-management/p4/default.nix
@@ -45,6 +45,12 @@ stdenv.mkDerivation (finalAttrs: rec {
     sha256 = "sha256-6+DOJPeVzP4x0UsN9MlZRAyusapBTICX0BuyvVBQBC8=";
   };
 
+  postPatch = lib.optionals stdenv.hostPlatform.isDarwin ''
+    # same error as https://github.com/pocoproject/poco/issues/4586
+    substituteInPlace zlib/zutil.h \
+      --replace-fail '#if defined(MACOS) || defined(TARGET_OS_MAC)' '#if defined(MACOS)'
+  '';
+
   nativeBuildInputs = [ jam ];
 
   buildInputs = lib.optionals stdenv.hostPlatform.isDarwin [