From aa8f431beff5d71af202b587b52e5b289903a32d Mon Sep 17 00:00:00 2001
From: Dave Abrahams <dave@boostpro.com>
Date: Wed, 19 Feb 2003 10:48:32 +0000
Subject: [PATCH] bug fix!

[SVN r17525]
---
 src/build/toolset.jam | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/build/toolset.jam b/src/build/toolset.jam
index 13073490e..5988f263f 100644
--- a/src/build/toolset.jam
+++ b/src/build/toolset.jam
@@ -189,7 +189,7 @@ rule set-target-variables ( rule-or-module target : properties * )
         # target variable even if $(result) is empty.  That is
         # undesirable because the empty target variable would mask
         # module globals intended to be used as defaults.
-        if ! $(result)-is-nonempty
+        if $(result)-is-nonempty
         {
             $(variable) on $(target) += $(result) ;
         }