From 5c92e83cc509d034b328787746d9c67c830dacad Mon Sep 17 00:00:00 2001
From: Andrew Marshall <andrew@johnandrewmarshall.com>
Date: Tue, 28 Oct 2025 13:44:33 -0400
Subject: [PATCH] sbcl: fix test failures in Darwin sandbox

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

diff --git a/pkgs/development/compilers/sbcl/default.nix b/pkgs/development/compilers/sbcl/default.nix
index 637e474a500d..389b50c4bca3 100644
--- a/pkgs/development/compilers/sbcl/default.nix
+++ b/pkgs/development/compilers/sbcl/default.nix
@@ -154,6 +154,10 @@ stdenv.mkDerivation (self: {
       # Fail intermittently
       "gc.impure.lisp"
       "threads.pure.lisp"
+    ]
+    ++ lib.optionals stdenv.hostPlatform.isDarwin [
+      # Fails in sandbox
+      "sb-posix.impure.lisp"
     ];
 
   patches =
@@ -288,6 +292,8 @@ stdenv.mkDerivation (self: {
     ''
   );
 
+  __darwinAllowLocalNetworking = true;
+
   meta = with lib; {
     description = "Common Lisp compiler";
     homepage = "https://sbcl.org";