From 1732c9440ab491f1a38baab87dab5284bf81da1d Mon Sep 17 00:00:00 2001
From: Dirk Zimoch <dirk.zimoch@psi.ch>
Date: Fri, 14 Mar 2025 16:54:09 +0100
Subject: [PATCH] fix for mingw warning about order of header files

---
 modules/libcom/src/osi/os/WIN32/epicsAtomicOSD.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/modules/libcom/src/osi/os/WIN32/epicsAtomicOSD.h b/modules/libcom/src/osi/os/WIN32/epicsAtomicOSD.h
index 6a9f4484e..6af1bc81b 100644
--- a/modules/libcom/src/osi/os/WIN32/epicsAtomicOSD.h
+++ b/modules/libcom/src/osi/os/WIN32/epicsAtomicOSD.h
@@ -19,6 +19,12 @@
 
 #define EPICS_ATOMIC_OS_NAME "WIN32"
 
+#ifdef WIN32_LEAN_AND_MEAN
+#   define WIN32_LEAN_AND_MEAN_DETECTED_epicsAtomicOSD_h
+#else
+#   define WIN32_LEAN_AND_MEAN
+#endif
+
 #ifdef VC_EXTRALEAN
 #   define VC_EXTRALEAN_DETECTED_epicsAtomicOSD_h
 #else
@@ -33,6 +39,10 @@
 
 #include "windows.h"
 
+#ifndef WIN32_LEAN_AND_MEAN_DETECTED_epicsAtomicOSD_h
+#   undef WIN32_LEAN_AND_MEAN
+#endif
+
 #ifndef VC_EXTRALEAN_DETECTED_epicsAtomicOSD_h
 #   undef VC_EXTRALEAN
 #endif