From e9f9000c7c80993cb589d011616b7a8016e42f4a Mon Sep 17 00:00:00 2001
From: Joe Sylve <Joe.Sylve@gmail.com>
Date: Thu, 10 Oct 2019 15:51:23 -0500
Subject: Fix ABSL_WAITER_MODE detection for mingw (#342)

* Fix ABSL_WAITER_MODE detection for mingw
---
 absl/synchronization/internal/waiter.h | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/absl/synchronization/internal/waiter.h b/absl/synchronization/internal/waiter.h
index a3e3124..0757b91 100644
--- a/absl/synchronization/internal/waiter.h
+++ b/absl/synchronization/internal/waiter.h
@@ -18,7 +18,9 @@
 
 #include "absl/base/config.h"
 
-#ifndef _WIN32
+#ifdef _WIN32
+#include <SdkDdkVer.h>
+#else
 #include <pthread.h>
 #endif
 
@@ -40,7 +42,7 @@
 
 #if defined(ABSL_FORCE_WAITER_MODE)
 #define ABSL_WAITER_MODE ABSL_FORCE_WAITER_MODE
-#elif defined(_WIN32)
+#elif defined(_WIN32) && _WIN32_WINNT >= _WIN32_WINNT_VISTA
 #define ABSL_WAITER_MODE ABSL_WAITER_MODE_WIN32
 #elif defined(__linux__)
 #define ABSL_WAITER_MODE ABSL_WAITER_MODE_FUTEX
-- 
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