From d6ee3caad423585ef820ec5ceaeeb047488c1307 Mon Sep 17 00:00:00 2001
From: Stefanos Kornilios Mitsis Poiitidis <stef@skmp.dev>
Date: Thu, 28 Jan 2021 17:09:08 +0200
Subject: [PATCH] Syscalls: Define MREMAP_DONTUNMAP if missing

---
 Source/Tests/LinuxSyscalls/x32/Syscalls.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Source/Tests/LinuxSyscalls/x32/Syscalls.cpp b/Source/Tests/LinuxSyscalls/x32/Syscalls.cpp
index d08945b47..cba6bd15f 100644
--- a/Source/Tests/LinuxSyscalls/x32/Syscalls.cpp
+++ b/Source/Tests/LinuxSyscalls/x32/Syscalls.cpp
@@ -11,6 +11,10 @@
 #include <sys/shm.h>
 #include <sys/stat.h>
 
+#ifndef MREMAP_DONTUNMAP
+#define MREMAP_DONTUNMAP 4
+#endif
+
 namespace FEX::HLE::x32 {
 uint64_t MemAllocator::FindPageRange(uint64_t Start, size_t Pages) {
   // Linear range scan