From a979d24bf33b4413518a1d18b24899340845f04f Mon Sep 17 00:00:00 2001
From: elsid <elsid.mail@gmail.com>
Date: Sat, 9 Mar 2019 17:19:54 +0300
Subject: [PATCH] Mark OpenSceneGraph include directories as system

To avoid warnings spam when use custom build.
---
 CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 795a7d3090..c34ef975b2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -257,7 +257,7 @@ endif()
 
 
 find_package(OpenSceneGraph 3.3.4 REQUIRED osgDB osgViewer osgText osgGA osgParticle osgUtil osgFX osgShadow)
-include_directories(${OPENSCENEGRAPH_INCLUDE_DIRS})
+include_directories(SYSTEM ${OPENSCENEGRAPH_INCLUDE_DIRS})
 
 set(USED_OSG_PLUGINS
                     osgdb_bmp