repair build in Py3.2

setup.py

@@ -167,11 +167,12 @@ def compile_cython_modules(profile=False, compile_more=False, cython_with_refnan
         # XXX hack around setuptools quirk for '*.pyx' sources
         extensions[-1].sources[0] = pyx_source_file
 
-    from Cython.Distutils import build_ext
     if sys.version_info[:2] == (3, 2):
         # Python 3.2: can only run Cython *after* running 2to3
-        build_ext = _defer_cython_import_in_py32(build_ext, source_root, profile)
-    elif profile:
+        build_ext = _defer_cython_import_in_py32(source_root, profile)
+    else:
+        from Cython.Distutils import build_ext
+        if profile:
             from Cython.Compiler.Options import directive_defaults
             directive_defaults['profile'] = True
             sys.stderr.write("Enabled profiling for the Cython binary modules\n")
@@ -181,9 +182,11 @@ def compile_cython_modules(profile=False, compile_more=False, cython_with_refnan
     setup_args['ext_modules'] = extensions
 
 
-def _defer_cython_import_in_py32(build_ext_orig, source_root, profile=False):
+def _defer_cython_import_in_py32(source_root, profile=False):
     # Python 3.2: can only run Cython *after* running 2to3
     # => re-import Cython inside of build_ext
+    from distutils.command.build_ext import build_ext as build_ext_orig
+
     class build_ext(build_ext_orig):
         # we must keep the original modules alive to make sure
         # their code keeps working when we remove them from
@@ -205,16 +208,15 @@ def _defer_cython_import_in_py32(build_ext_orig, source_root, profile=False):
                 del sys.modules[module]
             sys.path.insert(0, os.path.join(source_root, self.build_lib))
 
-        def finalize_options(self):
-            self.__reimport()
-            super(build_ext, self).finalize_options()
-
         def build_extensions(self):
             self.__reimport()
             if profile:
                 from Cython.Compiler.Options import directive_defaults
                 directive_defaults['profile'] = True
                 print("Enabled profiling for the Cython binary modules")
+            from Cython.Build.Dependencies import cythonize
+            self.distribution.ext_modules[:] = cythonize(
+                self.distribution.ext_modules)
             build_ext_orig.build_extensions(self)
 
     return build_ext