From 112a7ab9a8e4c96f5750ac3b929b433d8507354c Mon Sep 17 00:00:00 2001
From: fanquake <fanquake@gmail.com>
Date: Sun, 3 Apr 2022 13:02:44 +0100
Subject: [PATCH] refactor: remove macOS MAP_ANONYMOUS work around

This was added to support compilation on macOS 10.10, our minimum
required macOS is now 10.15. macOS has also supported it since 10.11.

See https://github.com/bitcoin/bitcoin/pull/9063.
---
 src/support/lockedpool.cpp | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/src/support/lockedpool.cpp b/src/support/lockedpool.cpp
index 6965f402536..ea1a27c6f69 100644
--- a/src/support/lockedpool.cpp
+++ b/src/support/lockedpool.cpp
@@ -235,12 +235,6 @@ PosixLockedPageAllocator::PosixLockedPageAllocator()
 #endif
 }
 
-// Some systems (at least OS X) do not define MAP_ANONYMOUS yet and define
-// MAP_ANON which is deprecated
-#ifndef MAP_ANONYMOUS
-#define MAP_ANONYMOUS MAP_ANON
-#endif
-
 void *PosixLockedPageAllocator::AllocateLocked(size_t len, bool *lockingSuccess)
 {
     void *addr;