From f4137f34ae61312fdaea165a26ace2a40af7eebc Mon Sep 17 00:00:00 2001
From: Ken Brown <kbrown@cornell.edu>
Date: Fri, 24 Mar 2023 11:57:40 +0100
Subject: [PATCH] Support CYGWIN

---
 src/os.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/os.c b/src/os.c
index 0f984741..7df76b15 100644
--- a/src/os.c
+++ b/src/os.c
@@ -1197,7 +1197,7 @@ static void* mi_os_alloc_huge_os_pagesx(void* addr, size_t size, int numa_node)
   return VirtualAlloc(addr, size, flags, PAGE_READWRITE);
 }
 
-#elif defined(MI_OS_USE_MMAP) && (MI_INTPTR_SIZE >= 8) && !defined(__HAIKU__)
+#elif defined(MI_OS_USE_MMAP) && (MI_INTPTR_SIZE >= 8) && !defined(__HAIKU__) && !defined(__CYGWIN__)
 #include <sys/syscall.h>
 #ifndef MPOL_PREFERRED
 #define MPOL_PREFERRED 1