--- SConstruct~	2011-04-21 18:04:59.000000000 +0400
+++ SConstruct	2011-04-21 18:09:09.000000000 +0400
@@ -2,8 +2,8 @@ platform = ARGUMENTS.get('OS', Platform(
 #prefix = "/usr/share"
 
 
-opts = Options()
-opts.Add(PathOption('PREFIX', 'Install prefix', '/usr'))
+opts = Variables()
+opts.Add(PathVariable('PREFIX', 'Install prefix', '/usr'))
 env = Environment(options = opts)
 
 #prefix=ARGUMENTS.get('prefix', '/usr/share')