diff -ru boost_1_34_0/tools/build/v2/tools/python.jam boost_1_34_0_ibm/tools/build/v2/tools/python.jam
--- boost_1_34_0/tools/build/v2/tools/python.jam	2007-04-06 14:17:43.000000000 -0400
+++ boost_1_34_0_ibm/tools/build/v2/tools/python.jam	2007-05-17 15:42:00.000000000 -0400
@@ -626,6 +626,8 @@
 
         case hpux : return  <library>rt ;
 
+        case aix : return  <library>pthread <library>dl ;
+
         case * : return  <library>pthread <library>dl <toolset>gcc:<library>util ;
     }
 }
@@ -926,6 +928,18 @@
     {
         alias python_for_extensions : python : $(target-requirements) ;
     }
+    # On AIX we need Python extensions and Boost.Python to import symbols
+    # from the Python interpreter. Dynamic libraries opened with dlopen()
+    # do not inherit the symbols from the Python interpreter.
+    else if $(target-os) = aix
+    {
+        alias python_for_extensions
+                     :
+                     : $(target-requirements)
+                     :
+                     : $(usage-requirements) <linkflags>-Wl,-bI:$(libraries[1])/python.exp
+                     ;
+    }
     else
     {
         alias python_for_extensions