From 88330cfc9fdd4ec5aaa7988efdd209a593bb0026 Mon Sep 17 00:00:00 2001
From: "Uwe L. Korn" <uwe.korn@quantco.com>
Date: Fri, 22 Jan 2021 17:06:43 +0100
Subject: [PATCH] Use __APPLE__ instead of __MACH__

---
 include/mimalloc-internal.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/mimalloc-internal.h b/include/mimalloc-internal.h
index df700d39..dca21bb9 100644
--- a/include/mimalloc-internal.h
+++ b/include/mimalloc-internal.h
@@ -707,7 +707,7 @@ static inline void* mi_tls_slot(size_t slot) mi_attr_noexcept {
   res = tcb[slot];
 #elif defined(__aarch64__)
   void** tcb; UNUSED(ofs);
-#if defined(__MACH__)
+#if defined(__APPLE__)
   __asm__ volatile ("mrs %0, tpidrro_el0" : "=r" (tcb));
 #else
   __asm__ volatile ("mrs %0, tpidr_el0" : "=r" (tcb));