From 7d4d34a27d8d95e8a63d3b3940bd0ee7b623ff82 Mon Sep 17 00:00:00 2001
From: Robert Hensing <robert@roberthensing.nl>
Date: Wed, 24 Jul 2024 01:02:21 +0200
Subject: [PATCH] eval-gc.cc: Fix warning

---
 src/libexpr/eval-gc.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/libexpr/eval-gc.cc b/src/libexpr/eval-gc.cc
index 73ab809e5..1bc8cd28f 100644
--- a/src/libexpr/eval-gc.cc
+++ b/src/libexpr/eval-gc.cc
@@ -84,7 +84,9 @@ void fixupBoehmStackPointer(void ** sp_ptr, void * _pthread_id)
 {
     void *& sp = *sp_ptr;
     auto pthread_id = reinterpret_cast<pthread_t>(_pthread_id);
+#  ifndef __APPLE__
     pthread_attr_t pattr;
+#  endif
     size_t osStackSize;
     void * osStackLow;
     void * osStackBase;