From 6cb48a06bc3a80d68c0152335753d4f5210f3753 Mon Sep 17 00:00:00 2001
From: rdb <git@rdb.name>
Date: Tue, 24 Aug 2010 13:48:43 +0000
Subject: [PATCH] Backward compatibility fix to get this to compile on Max
 versions 9 and below, which don't define the _M macro.

---
 pandatool/src/maxegg/maxNodeTree.cxx | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/pandatool/src/maxegg/maxNodeTree.cxx b/pandatool/src/maxegg/maxNodeTree.cxx
index 3da9b97fbc..eb2e973927 100755
--- a/pandatool/src/maxegg/maxNodeTree.cxx
+++ b/pandatool/src/maxegg/maxNodeTree.cxx
@@ -15,6 +15,11 @@
 
 #include "maxEgg.h"
 
+// 3dsmax versions below 9 don't define this.
+#ifndef _M
+#define _M(s) (s)
+#endif
+
 ////////////////////////////////////////////////////////////////////
 //     Function: MaxNodeTree::Constructor
 //       Access: Public
@@ -486,4 +491,4 @@ void MaxNodeTree::set_collision_tags(MaxNodeDesc *node_desc, EggGroup *egg_group
       }
     }
     return;
-}
\ No newline at end of file
+}