From 606d31316238b9307e741d5788cf3280ee4b9707 Mon Sep 17 00:00:00 2001
From: Fabrice Bellet <fabrice@bellet.info>
Date: Wed, 7 Jun 2017 09:19:06 +0200
Subject: [PATCH] fgviewer: fix crash on exit

---
 utils/fgviewer/fgviewer.cxx | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/utils/fgviewer/fgviewer.cxx b/utils/fgviewer/fgviewer.cxx
index 9270209b0..2dc7201d8 100644
--- a/utils/fgviewer/fgviewer.cxx
+++ b/utils/fgviewer/fgviewer.cxx
@@ -282,5 +282,11 @@ main(int argc, char** argv)
     // Note that this does not affect the hla camera manipulator
     viewer.home();
 
-    return viewer.run();
+    int result = viewer.run();
+
+    // clear cache now, since it contains SimGear objects. Otherwise SG_LOG
+    // calls during shutdown will cause crashes.
+    osgDB::Registry::instance()->clearObjectCache();
+
+    return result;
 }
-- 
2.26.2