From 07129f81e40abca7c6a8dfc5e64a6f514f87ddeb Mon Sep 17 00:00:00 2001
From: Vladimir Prus <ghost@cs.msu.su>
Date: Wed, 21 May 2008 12:18:08 +0000
Subject: [PATCH] Disallow '=' in the values of non-free features.

[SVN r45604]
---
 src/build/feature.jam | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/build/feature.jam b/src/build/feature.jam
index 41d6caf53..4b980ab21 100644
--- a/src/build/feature.jam
+++ b/src/build/feature.jam
@@ -118,7 +118,15 @@ rule feature (
     {
         error = free features cannot be propagated ;
     }
-
+    else 
+    {
+        local m = [ MATCH (.*=.*) : $(values) ] ;
+        if $(m[1])
+        {
+            error = "feature value may not contain '='" ;
+        }        
+    }
+    
     if $(error)
     {
         errors.error $(error)