--- //3rdparty/tmw/boost/tools/build/v2/build/configure.jam	2010-10-19 18:39:32.000000000 -0400
+++ //3rdparty/tmw/boost/tools/build/v2/build/configure.jam	2010-12-14 23:10:07.000000000 -0500
@@ -185,8 +185,12 @@
     {
         # FIXME: this should not be hardcoded. Other checks might
         # want to consider different set of features as relevant.
-        local toolset = [ property.select <toolset> : $(properties) ] ;
-        local ps = [ property-set.create $(toolset) ] ;        
+	local toolset = [ property.select <toolset> : $(properties) ] ;
+	local toolset-version-property = "<toolset-$(toolset:G=):version>" ;
+	local relevant = [ property.select <target-os> <toolset> $(toolset-version-property)
+      	      <address-model> <architecture> <variant>
+      	      : $(properties) ] ;
+        local ps = [ property-set.create $(relevant) ] ;        
         local t = [ targets.current ] ;
         local p = [ $(t).project ] ;
         if [ configure.builds $(self.target) : $(p) : $(ps) : "$(self.target) builds" ]