From fedd4d02f5d06d0846c60232ee9fc8bebf846783 Mon Sep 17 00:00:00 2001
From: Weijia Wang <9713184+wegank@users.noreply.github.com>
Date: Thu, 8 Dec 2022 02:48:18 +0100
Subject: [PATCH] pinocchio: fix build on x86_64-darwin

---
 pkgs/development/libraries/pinocchio/default.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkgs/development/libraries/pinocchio/default.nix b/pkgs/development/libraries/pinocchio/default.nix
index 030ec85496db..8b48e74476a6 100644
--- a/pkgs/development/libraries/pinocchio/default.nix
+++ b/pkgs/development/libraries/pinocchio/default.nix
@@ -21,6 +21,12 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-DJX/njNX8l7ngSl3yCeN7ZoQaH65pQTsZrKwmY7EZ+E=";
   };
 
+  # error: use of undeclared identifier '__sincos'
+  postPatch = lib.optionalString (stdenv.isDarwin && stdenv.isx86_64) ''
+    substituteInPlace src/math/sincos.hpp \
+      --replace "__APPLE__" "0"
+  '';
+
   strictDeps = true;
 
   nativeBuildInputs = [