From 042c10fab8b3de113772e54f8158d239b1b917f0 Mon Sep 17 00:00:00 2001
From: Joseph Stahl <1269177+josephst@users.noreply.github.com>
Date: Sun, 17 Mar 2024 15:19:10 -0400
Subject: [PATCH] add /usr/bin to path for building MetalKit with xcrun

Fixes https://github.com/ggerganov/llama.cpp/issues/6117
---
 .devops/nix/package.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/.devops/nix/package.nix b/.devops/nix/package.nix
index c7fa2203a07515..d53e35050c8158 100644
--- a/.devops/nix/package.nix
+++ b/.devops/nix/package.nix
@@ -157,6 +157,11 @@ effectiveStdenv.mkDerivation (
       substituteInPlace ./*.py --replace "/usr/bin/env python" "${llama-python}/bin/python"
     '';
 
+    # requires sandboxing to be off or relaxed on MacOS (off by default)
+    preConfigure = lib.optionals useMetalKit ''
+      export PATH=/usr/bin:$PATH # make sure /usr/bin/xcrun is on PATH
+    '';
+
     nativeBuildInputs =
       [
         cmake