From da6d0e253d505202132f4719d68a2be5c63aca08 Mon Sep 17 00:00:00 2001
From: Steven Watanabe <steven@providere-consulting.com>
Date: Wed, 30 Nov 2011 20:58:01 +0000
Subject: [PATCH] Merge 75733 from the trunk.

[SVN r75758]
---
 boostcpp.jam | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/boostcpp.jam b/boostcpp.jam
index 330a974d95..db7360dd97 100644
--- a/boostcpp.jam
+++ b/boostcpp.jam
@@ -80,7 +80,7 @@ if $(layout) = system && $(build-type) = complete
     ECHO "error: Cannot use --layout=system with --build-type complete." ;
     ECHO "error: Please used either --layout=versioned or --layout=tagged " ;
     ECHO "error: if you wish to build multiple variants." ;
-    if ! [ os.name ] = NT
+    if [ os.name ] != NT
     {        
         ECHO "error: Note that --layout=system is default on Unix starting with Boost 1.40." ;
     }