From 2e75cfb05e478f1f6f91c8b80217217696ac2897 Mon Sep 17 00:00:00 2001
From: khizmax <khizmax@gmail.com>
Date: Thu, 14 May 2015 10:26:08 +0300
Subject: [PATCH] Removed mingw-gcc warnings

---
 cds/os/win/thread.h   | 4 +++-
 cds/os/win/timer.h    | 4 +++-
 cds/os/win/topology.h | 4 +++-
 3 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/cds/os/win/thread.h b/cds/os/win/thread.h
index f495e01c..2add6806 100644
--- a/cds/os/win/thread.h
+++ b/cds/os/win/thread.h
@@ -3,7 +3,9 @@
 #ifndef CDSLIB_OS_WIN_THREAD_H
 #define CDSLIB_OS_WIN_THREAD_H
 
-#define NOMINMAX
+#ifndef NOMINMAX
+#   define NOMINMAX
+#endif
 #include <windows.h>
 
 namespace cds { namespace OS {
diff --git a/cds/os/win/timer.h b/cds/os/win/timer.h
index 637203e1..8f27b260 100644
--- a/cds/os/win/timer.h
+++ b/cds/os/win/timer.h
@@ -7,7 +7,9 @@
 #   error "<cds/os/timer.h> must be included"
 #endif
 
-#define NOMINMAX
+#ifndef NOMINMAX
+#   define NOMINMAX
+#endif
 #include <windows.h>
 
 //@cond none
diff --git a/cds/os/win/topology.h b/cds/os/win/topology.h
index e427cc8a..4bda9594 100644
--- a/cds/os/win/topology.h
+++ b/cds/os/win/topology.h
@@ -8,7 +8,9 @@
 #endif
 
 #include <cds/details/defs.h>
-#define NOMINMAX
+#ifndef NOMINMAX
+#   define NOMINMAX
+#endif
 #include <windows.h>
 
 namespace cds { namespace OS {
-- 
2.34.1