From ebf2b165c0d63637ca1dc3a1306b4e72708f353a Mon Sep 17 00:00:00 2001
From: Vladimir Prus <ghost@cs.msu.su>
Date: Thu, 18 May 2006 06:32:16 +0000
Subject: [PATCH] Allow empty list of source types in call to
 generators.register-composing.

[SVN r33993]
---
 v2/build/generators.jam | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/v2/build/generators.jam b/v2/build/generators.jam
index 7390f945c..66588a715 100644
--- a/v2/build/generators.jam
+++ b/v2/build/generators.jam
@@ -645,7 +645,7 @@ rule register-standard ( id : source-types * : target-types + : requirements * )
 
 # Creates new instance of the 'composing-generator' class and
 # registers it.
-rule register-composing ( id : source-types + : target-types + : requirements * )
+rule register-composing ( id : source-types * : target-types + : requirements * )
 {
     local g = [ new generator $(id) true : $(source-types) 
                 : $(target-types) : $(requirements) ] ;