From a0d8a9fc54e87ed7daf49364d455398360d5a3e6 Mon Sep 17 00:00:00 2001
From: Roman Lygin <roman.lygin@gmail.com>
Date: Fri, 7 Dec 2012 12:08:09 +0400
Subject: [PATCH] 0023592: Enabling TBB allocator by default for OCC built with
 -DHAVE_TBB Implementation updated based on discussion with OCC team

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

diff --git a/src/Standard/Standard.cxx b/src/Standard/Standard.cxx
index 1ea0610399..9341a9418e 100755
--- a/src/Standard/Standard.cxx
+++ b/src/Standard/Standard.cxx
@@ -33,6 +33,10 @@
 #include <malloc.h>
 #endif
 
+#ifndef OCCT_MMGT_OPT_DEFAULT
+#define OCCT_MMGT_OPT_DEFAULT 0
+#endif
+
 // Global reentrant flag
 static Standard_Boolean Standard_IsReentrant = Standard_True;
 
@@ -60,7 +64,8 @@ Standard_MMgrFactory::Standard_MMgrFactory()
 : myFMMgr (NULL)
 {
   char* aVar;
-  Standard_Integer anAllocId   = (aVar = getenv ("MMGT_OPT"      )) ?  atoi (aVar)       : 0;
+  Standard_Integer anAllocId   = (aVar = getenv ("MMGT_OPT"      )) ?  atoi (aVar)       :
+    (OCCT_MMGT_OPT_DEFAULT);
   Standard_Boolean toClear     = (aVar = getenv ("MMGT_CLEAR"    )) ? (atoi (aVar) != 0) : Standard_True;