diff --git a/build.jam b/build.jam
index ceef583..d1eb008 100644
--- a/build.jam
+++ b/build.jam
@@ -5,22 +5,25 @@
 
 require-b2 5.2 ;
 
+constant boost_dependencies :
+    /boost/assert//boost_assert
+    /boost/config//boost_config
+    /boost/core//boost_core
+    /boost/move//boost_move
+    /boost/static_assert//boost_static_assert
+    /boost/throw_exception//boost_throw_exception
+    /boost/type_traits//boost_type_traits ;
+
 project /boost/smart_ptr
     : common-requirements
-        <library>/boost/assert//boost_assert
-        <library>/boost/config//boost_config
-        <library>/boost/core//boost_core
-        <library>/boost/move//boost_move
-        <library>/boost/static_assert//boost_static_assert
-        <library>/boost/throw_exception//boost_throw_exception
-        <library>/boost/type_traits//boost_type_traits
         <include>include
     ;
 
 explicit
-    [ alias boost_smart_ptr ]
+    [ alias boost_smart_ptr : : : : <library>$(boost_dependencies) ]
     [ alias all : boost_smart_ptr test ]
     ;
 
 call-if : boost-library smart_ptr
     ;
+