From 4052b0d4cd3f39e7793544b6284f3876147eee88 Mon Sep 17 00:00:00 2001
From: Steven Watanabe <steven@providere-consulting.com>
Date: Sat, 22 Jul 2017 18:56:16 -0600
Subject: [PATCH] Localize the right variable.  Prior to this change,
 .active-generators could be incorrectly restored in nested calls to construct
 causing generators to vanish mysteriously.

---
 src/build/generators.jam | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/build/generators.jam b/src/build/generators.jam
index 27fb22487..c26db7257 100644
--- a/src/build/generators.jam
+++ b/src/build/generators.jam
@@ -1347,7 +1347,7 @@ local rule construct-really ( project name ? : target-type : property-set :
 #
 rule construct ( project name ? : target-type : property-set * : sources * : top-level ? )
 {
-    local saved-stack ;
+    local saved-active ;
     if $(top-level)
     {
         saved-active = $(.active-generators) ;