From 014f8868f215175fc8db41f79d57588db9ea1d4d Mon Sep 17 00:00:00 2001
From: Howard Chu <hyc@symas.com>
Date: Tue, 26 Jan 2016 22:09:08 +0000
Subject: [PATCH] std::condvar is broken on Win32 with gcc/g++ 4.8 too

Use boost...
---
 contrib/epee/include/syncobj.h | 10 ++++------
 src/common/dns_utils.cpp       |  4 ++--
 2 files changed, 6 insertions(+), 8 deletions(-)

diff --git a/contrib/epee/include/syncobj.h b/contrib/epee/include/syncobj.h
index b81eb43a9..275324436 100644
--- a/contrib/epee/include/syncobj.h
+++ b/contrib/epee/include/syncobj.h
@@ -30,8 +30,6 @@
 #ifndef __WINH_OBJ_H__
 #define __WINH_OBJ_H__
 
-#include <condition_variable>
-#include <mutex>
 #include <boost/thread/locks.hpp>
 #include <boost/thread/mutex.hpp>
 #include <boost/thread/recursive_mutex.hpp>
@@ -51,22 +49,22 @@ namespace epee
 
     void raise()
     {
-      std::unique_lock<std::mutex> lock(m_mx);
+      boost::unique_lock<boost::mutex> lock(m_mx);
       m_rised = true;
       m_cond_var.notify_one();
     }
 
     void wait()
     {
-      std::unique_lock<std::mutex> lock(m_mx);
+      boost::unique_lock<boost::mutex> lock(m_mx);
       while (!m_rised) 
         m_cond_var.wait(lock);
       m_rised = false;
     }
 
   private:
-    std::mutex m_mx;
-    std::condition_variable m_cond_var;
+    boost::mutex m_mx;
+    boost::condition_variable m_cond_var;
     bool m_rised;
   };
 
diff --git a/src/common/dns_utils.cpp b/src/common/dns_utils.cpp
index eb7b6608b..eb0a7de1f 100644
--- a/src/common/dns_utils.cpp
+++ b/src/common/dns_utils.cpp
@@ -38,7 +38,7 @@
 using namespace epee;
 namespace bf = boost::filesystem;
 
-static std::mutex instance_lock;
+static boost::mutex instance_lock;
 
 namespace
 {
@@ -304,7 +304,7 @@ std::string DNSResolver::get_dns_format_from_oa_address(const std::string& oa_ad
 
 DNSResolver& DNSResolver::instance()
 {
-  std::lock_guard<std::mutex> lock(instance_lock);
+  boost::lock_guard<boost::mutex> lock(instance_lock);
 
   static DNSResolver* staticInstance = NULL;
   if (staticInstance == NULL)