From 334c96ac07eaf546fa04964a3947e2cf3db4b028 Mon Sep 17 00:00:00 2001
From: Vladimir Prus <ghost@cs.msu.su>
Date: Thu, 10 Jul 2003 14:07:16 +0000
Subject: [PATCH] * new/common.jam (variable-setting-command): New rule.

[SVN r19027]
---
 src/tools/common.jam | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/src/tools/common.jam b/src/tools/common.jam
index 1c530af83..a1db840a5 100644
--- a/src/tools/common.jam
+++ b/src/tools/common.jam
@@ -20,6 +20,24 @@ else
     CP = cp ;
 }
 
+nl = "
+" ;
+
+# Returns the command needed to set shell variable on the
+# current platform.
+rule variable-setting-command ( variable value )
+{
+    if [ modules.peek : NT ]
+    {
+        return "set $(variable)=$(value)$(nl)" ;
+    }
+    else
+    {
+        return "$(variable)=$(value)" ;
+    }
+}
+
+
 rule MkDir
 {
     # If dir exists, don't update it