From 559ebc0633af55d278e4d7f6730c01d9e6ee27c2 Mon Sep 17 00:00:00 2001
From: Ihar Hrachyshka <ihar.hrachyshka@gmail.com>
Date: Wed, 8 Jul 2026 20:38:59 -0400
Subject: [PATCH] vfkit: use lld to avoid trap during linking

Assisted-by: Codex gpt-5.5 xhigh
---
 pkgs/by-name/vf/vfkit/package.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkgs/by-name/vf/vfkit/package.nix b/pkgs/by-name/vf/vfkit/package.nix
index 0acbe47ce0cf..dbe208e8b563 100644
--- a/pkgs/by-name/vf/vfkit/package.nix
+++ b/pkgs/by-name/vf/vfkit/package.nix
@@ -5,6 +5,7 @@
   darwin,
   fetchFromGitHub,
   fetchpatch2,
+  llvmPackages,
   nix-update-script,
   testers,
   vfkit,
@@ -33,12 +34,17 @@ buildGoModule rec {
 
   nativeBuildInputs = [
     darwin.sigtool
+    # TODO: Remove this when NixOS/nixpkgs#536365 reaches master.
+    llvmPackages.lld
   ];
 
   buildInputs = [
     apple-sdk_15
   ];
 
+  # TODO: Remove this when NixOS/nixpkgs#536365 reaches master.
+  env.NIX_CFLAGS_LINK = "-fuse-ld=${lib.getExe' llvmPackages.lld "ld64.lld"}";
+
   postFixup = ''
     codesign --entitlements vf.entitlements -f -s - $out/bin/vfkit
   '';