From 7a83e820ddc2dd54a2ff6038ffe5a2f7a4005fb8 Mon Sep 17 00:00:00 2001
From: Emily <vcs@emily.moe>
Date: Fri, 3 Jul 2026 16:28:51 +0100
Subject: [PATCH] qemu: work around `ld64` hardening issue

---
 pkgs/by-name/qe/qemu/package.nix | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/pkgs/by-name/qe/qemu/package.nix b/pkgs/by-name/qe/qemu/package.nix
index 5bd6c6e0f8c7..80362ffd6757 100644
--- a/pkgs/by-name/qe/qemu/package.nix
+++ b/pkgs/by-name/qe/qemu/package.nix
@@ -123,6 +123,9 @@
   minimal ? toolsOnly || userOnly,
   gitUpdater,
   qemu-utils, # for tests attribute
+
+  # TODO: Clean up on `staging`.
+  llvmPackages,
 }:
 
 assert lib.assertMsg (
@@ -180,6 +183,9 @@ stdenv.mkDerivation (finalAttrs: {
   ++ lib.optionals hexagonSupport [ glib ]
   ++ lib.optionals stdenv.hostPlatform.isDarwin [
     darwin.sigtool
+
+    # TODO: Clean up on `staging`.
+    llvmPackages.lld
   ]
   ++ lib.optionals (!userOnly) [ dtc ];
 
@@ -425,6 +431,10 @@ stdenv.mkDerivation (finalAttrs: {
     ln -s $out/bin/qemu-system-${stdenv.hostPlatform.qemuArch} $out/bin/qemu-kvm
   '';
 
+  env = lib.optionalAttrs stdenv.hostPlatform.isDarwin {
+    NIX_CFLAGS_LINK = "-fuse-ld=lld";
+  };
+
   passthru = {
     qemu-system-i386 = "bin/qemu-system-i386";
     tests = lib.optionalAttrs (!toolsOnly) {