Index: Python-2.7.10/Lib/sysconfig.py
===================================================================
--- Python-2.7.10.orig/Lib/sysconfig.py	2013-05-22 14:36:10.000000000 +0200
+++ Python-2.7.10/Lib/sysconfig.py	2013-05-23 13:55:24.000000000 +0200
@@ -303,11 +303,12 @@
             msg = msg + " (%s)" % e.strerror
         raise IOError(msg)
 
-    # On AIX, there are wrong paths to the linker scripts in the Makefile
-    # -- these paths are relative to the Python source, but when installed
-    # the scripts are in another directory.
-    if _PYTHON_BUILD:
-        vars['LDSHARED'] = vars['BLDSHARED']
+#  obsolete since changeset 83198 _generate_posix_vars()
+#     # On AIX, there are wrong paths to the linker scripts in the Makefile
+#     # -- these paths are relative to the Python source, but when installed
+#     # the scripts are in another directory.
+#     if _PYTHON_BUILD:
+#         vars['LDSHARED'] = vars['BLDSHARED']
 
     # There's a chicken-and-egg situation on OS X with regards to the
     # _sysconfigdata module after the changes introduced by #15298: