Index: Lib/distutils/command/build_ext.py
===================================================================
--- Lib/distutils/command/build_ext.py	(revision 86847)
+++ Lib/distutils/command/build_ext.py	(working copy)
@@ -537,7 +537,7 @@
             library_dirs=ext.library_dirs,
             runtime_library_dirs=ext.runtime_library_dirs,
             extra_postargs=extra_args,
-            export_symbols=self.get_export_symbols(ext),
+            export_symbols=ext.export_symbols,
             debug=self.debug,
             build_temp=self.build_temp,
             target_lang=language)