--- a/autobot/template/master/master.cfg	Tue Feb 01 21:34:30 2011 -0800
+++ b/autobot/template/master/master.cfg	Wed Feb 02 09:11:28 2011 -0800
@@ -23,11 +23,20 @@
            
 # define builder factories
 from autobot.projects import factories as factory_dict
+from autobot.projects import args
 builders = []
 
 for slave in config.slaves:
     for factory in config.slaves[slave]['factories']:
-        f = factory_dict[factory](**config.args.get(factory, {}))
+
+        # get the factory constructor arguments
+        factory_args = config.args.get(factory, {}).copy()
+        if 'platform' in args[factory]:
+            # slave platform information
+            factory_args['platform'] = config.slaves[slave]['platform']
+
+        # make a factory
+        f = factory_dict[factory](**factory_args)
         
         # define builder
         buildername = '%s - %s' % (factory, slave)