From d0f38cd0b4c65e0b2b2e91d9df3669fc3f65bdd8 Mon Sep 17 00:00:00 2001
From: Vojtech Bubnik <bubnikv@gmail.com>
Date: Tue, 2 May 2023 19:26:33 +0200
Subject: [PATCH] macOS clang is buggy, it does not implement
 __cpp_lib_hardware_interference_size correctly.

---
 src/libslic3r/TriangleMeshSlicer.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libslic3r/TriangleMeshSlicer.cpp b/src/libslic3r/TriangleMeshSlicer.cpp
index 747f36215..da696e1ec 100644
--- a/src/libslic3r/TriangleMeshSlicer.cpp
+++ b/src/libslic3r/TriangleMeshSlicer.cpp
@@ -36,7 +36,7 @@
 #include <boost/thread/mutex.hpp>
 #include <boost/thread/lock_guard.hpp>
 
-#ifdef __cpp_lib_hardware_interference_size
+#if defined(__cpp_lib_hardware_interference_size) && ! defined(__APPLE__)
     using std::hardware_destructive_interference_size;
 #else
     // 64 bytes on x86-64 │ L1_CACHE_BYTES │ L1_CACHE_SHIFT │ __cacheline_aligned │ ...