[Boost-commit] svn:boost r83922 - trunk/tools/build/v2/build

Subject: [Boost-commit] svn:boost r83922 - trunk/tools/build/v2/build
From: steven_at_[hidden]
Date: 2013-04-15 20:14:37

Author: steven_watanabe
Date: 2013-04-15 20:14:37 EDT (Mon, 15 Apr 2013)
New Revision: 83922
URL: http://svn.boost.org/trac/boost/changeset/83922

Log:
Tweak type.is-derived.
Text files modified: 
   trunk/tools/build/v2/build/type.jam |    11 +++--------                             
   1 files changed, 3 insertions(+), 8 deletions(-)

Modified: trunk/tools/build/v2/build/type.jam
==============================================================================
--- trunk/tools/build/v2/build/type.jam	(original)
+++ trunk/tools/build/v2/build/type.jam	2013-04-15 20:14:37 EDT (Mon, 15 Apr 2013)
@@ -53,6 +53,7 @@
         .types += $(type) ;
         .base.$(type) = $(base-type) ;
         .derived.$(base-type) += $(type) ;
+        .bases.$(type) = $(type) $(.bases.$(base-type)) ;
 
         # Store suffixes for generated targets.
         .suffixes.$(type) = [ new property-map ] ;
@@ -192,13 +193,7 @@
 #
 rule all-bases ( type )
 {
-    local result = $(type) ;
-    while $(type)
-    {
-        type = [ base $(type) ] ;
-        result += $(type) ;
-    }
-    return $(result) ;
+    return $(.bases.$(type)) ;
 }
 
 
@@ -221,7 +216,7 @@
 #
 rule is-derived ( type base )
 {
-    if $(base) in [ all-bases $(type) ]
+    if $(base) in $(.bases.$(type))
     {
         return true ;
     }