From aacafd49b34177d037e6b6a7958780850995d733 Mon Sep 17 00:00:00 2001
From: Ichthyostega <prg@ichthyostega.de>
Date: Sun, 11 Oct 2009 07:36:02 +0200
Subject: [PATCH] SCons: switch to combined timestamp/MD5 change detection this
 setting speeds up "sparse" builds (when e.g. just one file changed).

---
 SConstruct | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/SConstruct b/SConstruct
index c2e703031..1f1673f6c 100644
--- a/SConstruct
+++ b/SConstruct
@@ -60,6 +60,8 @@ def setupBasicEnvironment():
     EnsurePythonVersion(2,3)
     EnsureSConsVersion(0,96,90)
     
+    Decider('MD5-timestamp') # detect changed files by timestamp, then do a MD5
+    
     opts = defineCmdlineOptions() 
     env = LumieraEnvironment(options=opts
                             ,toolpath = [TOOLDIR]