diff -aur Python-2.6.9/setup.py Python-2.6.9.new/setup.py
--- Python-2.6.9/setup.py	2013-10-29 16:04:39.000000000 +0100
+++ Python-2.6.9.new/setup.py	2014-04-16 17:37:12.956701747 +0200
@@ -1675,8 +1675,8 @@
         # The versions with dots are used on Unix, and the versions without
         # dots on Windows, for detection by cygwin.
         tcllib = tklib = tcl_includes = tk_includes = None
-        for version in ['8.5', '85', '8.4', '84', '8.3', '83', '8.2',
-                        '82', '8.1', '81', '8.0', '80']:
+        for version in ['8.6', '86', '8.5', '85', '8.4', '84', '8.3', '83',
+                        '8.2', '82', '8.1', '81', '8.0', '80']:
             tklib = self.compiler.find_library_file(lib_dirs, 'tk' + version)
             tcllib = self.compiler.find_library_file(lib_dirs, 'tcl' + version)
             if tklib and tcllib: