From 4e67d6deb2edddd9c125758661fb63e77dbd7a18 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Thu, 17 Aug 2017 08:53:58 +0100
Subject: [PATCH] Adopted OSG_GL*_FEATURES usage of 0 and 1 in place of false
 and true to avoid VisualStudio 2012 build issues

---
 CMakeLists.txt | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6dd7a5594..9e81b4bed 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -515,39 +515,39 @@ ELSE()
 ENDIF()
 
 IF (OSG_GL1_AVAILABLE)
-    SET(OSG_GL1_FEATURES "true")
+    SET(OSG_GL1_FEATURES 1)
 ELSE()
-    SET(OSG_GL1_FEATURES "false")
+    SET(OSG_GL1_FEATURES 0)
 ENDIF()
 
 IF (OSG_GL2_AVAILABLE)
-    SET(OSG_GL2_FEATURES "true")
+    SET(OSG_GL2_FEATURES 1)
 ELSE()
-    SET(OSG_GL2_FEATURES "false")
+    SET(OSG_GL2_FEATURES 0)
 ENDIF()
 
 IF (OSG_GL3_AVAILABLE)
-    SET(OSG_GL3_FEATURES "true")
+    SET(OSG_GL3_FEATURES 1)
 ELSE()
-    SET(OSG_GL3_FEATURES "false")
+    SET(OSG_GL3_FEATURES 0)
 ENDIF()
 
 IF (OSG_GLES1_AVAILABLE)
-    SET(OSG_GLES1_FEATURES "true")
+    SET(OSG_GLES1_FEATURES 1)
 ELSE()
-    SET(OSG_GLES1_FEATURES "false")
+    SET(OSG_GLES1_FEATURES 0)
 ENDIF()
 
 IF (OSG_GLES2_AVAILABLE)
-    SET(OSG_GLES2_FEATURES "true")
+    SET(OSG_GLES2_FEATURES 1)
 ELSE()
-    SET(OSG_GLES2_FEATURES "false")
+    SET(OSG_GLES2_FEATURES 0)
 ENDIF()
 
 IF (OSG_GLES3_AVAILABLE)
-    SET(OSG_GLES3_FEATURES "true")
+    SET(OSG_GLES3_FEATURES 1)
 ELSE()
-    SET(OSG_GLES3_FEATURES "false")
+    SET(OSG_GLES3_FEATURES 0)
 ENDIF()
 
 IF(ANDROID)