From a753084f748d59dcd18fdc4f10c3e36ccfc107f5 Mon Sep 17 00:00:00 2001
From: "Uwe L. Korn" <uwe.korn@quantco.com>
Date: Thu, 28 Jan 2021 11:38:38 +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 dca21bb9..e1190c7e 100644
--- a/include/mimalloc-internal.h
+++ b/include/mimalloc-internal.h
@@ -734,7 +734,7 @@ static inline void mi_tls_slot_set(size_t slot, void* value) mi_attr_noexcept {
   tcb[slot] = value;
 #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));