From 418dae429aa5ee2f72cd953648f185284610f57e Mon Sep 17 00:00:00 2001
From: Vladimir Prus <ghost@cs.msu.su>
Date: Mon, 15 Dec 2003 07:52:30 +0000
Subject: [PATCH] Eliminate dependency cycle in some cases.

[SVN r21262]
---
 v2/tools/builtin.jam | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/v2/tools/builtin.jam b/v2/tools/builtin.jam
index a3f8ee950..6eee76804 100644
--- a/v2/tools/builtin.jam
+++ b/v2/tools/builtin.jam
@@ -645,7 +645,14 @@ class linking-generator : generator
             {
                 for local t in $(result)
                 {
-                    $(t).depends $(libs:G=) ;
+                    # The 'if' statement handles the case where
+                    # one of the targets created by <library> is not
+                    # consumed and is part of result. DLLs on windows
+                    # are an example.
+                    if $(libs:G=) != $(t)
+                    {                        
+                        $(t).depends $(libs:G=) ;
+                    }                    
                 }
             }            
         }