From 08e1a06fcdac2e625a6736c605e39f39d36952a4 Mon Sep 17 00:00:00 2001
From: Alberto Luaces <aluaces@udc.es>
Date: Tue, 26 Dec 2017 15:35:42 +0100
Subject: [PATCH 1/2] Detecting the windows version at build time breaks
 cross-compilation.

I have made this auto-detection optional (default ON).
---
 CMakeLists.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2bb3196b7..941f32f37 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -344,10 +344,14 @@ ENDIF()
 
 
 IF(WIN32 AND NOT ANDROID)
+    OPTION(OSG_DETERMINE_WIN_VERSION "Wheter to automatically determine current Windows version" ON)
+
+	IF(OSG_DETERMINE_WIN_VERSION)
     # Check window version
     INCLUDE (OsgDetermineWinVersion)
     get_WIN32_WINNT(WIN_VERSION)
     ADD_DEFINITIONS(-D_WIN32_WINNT=${WIN_VERSION})
+    ENDIF(OSG_DETERMINE_WIN_VERSION)
 
     IF(MSVC)
         # This option is to enable the /MP switch for Visual Studio 2005 and above compilers

From 91aec8107aa36c0aa3532b1d4f2c0bcd840bf0de Mon Sep 17 00:00:00 2001
From: OpenSceneGraph git repository <openscenegraph.mirror@gmail.com>
Date: Sun, 31 Dec 2017 13:32:44 +0000
Subject: [PATCH 2/2] Improved indentation

---
 CMakeLists.txt | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 941f32f37..d8c8e755b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -346,11 +346,11 @@ ENDIF()
 IF(WIN32 AND NOT ANDROID)
     OPTION(OSG_DETERMINE_WIN_VERSION "Wheter to automatically determine current Windows version" ON)
 
-	IF(OSG_DETERMINE_WIN_VERSION)
-    # Check window version
-    INCLUDE (OsgDetermineWinVersion)
-    get_WIN32_WINNT(WIN_VERSION)
-    ADD_DEFINITIONS(-D_WIN32_WINNT=${WIN_VERSION})
+    IF(OSG_DETERMINE_WIN_VERSION)
+        # Check window version
+        INCLUDE (OsgDetermineWinVersion)
+        get_WIN32_WINNT(WIN_VERSION)
+        ADD_DEFINITIONS(-D_WIN32_WINNT=${WIN_VERSION})
     ENDIF(OSG_DETERMINE_WIN_VERSION)
 
     IF(MSVC)