[MERGE] Fast _walkdirs for win32

[Alexander Belchenko]

John Arbash Meinel пишет:
> Alexander Belchenko wrote:
> | John Arbash Meinel ?8H5B:
> |> Alexander Belchenko wrote:

> 
> I was just confused and thought win32utils was from
> the pywin32 packaged, not part of the bzrlib code.

Ah, I understand your initial resistance now.
No, it's the part of bzrlib during very long time.
Just nobody but me noticed it :-)

> Yep, the change is small and easy to do. I'm happy to do so. Attached
> should include the changes you need to compile and support Win98.

Yes, but you made small error:

=== modified file 'setup.py'
--- setup.py	2008-07-17 12:55:11 +0000
+++ setup.py	2008-07-17 20:21:07 +0000
@@ -216,18 +216,22 @@
      pyrex_name = path + '.pyx'
      c_name = path + '.c'
      if have_pyrex:
-        ext_modules.append(Extension(module_name, [pyrex_name]))
+        ext_modules.append(Extension(module_name, [pyrex_name], **kwargs))
      else:
          if not os.path.isfile(c_name):
              unavailable_files.append(c_name)
          else:
-            ext_modules.append(Extension(module_name, [c_name]))
+            ext_modules.append(Extension(module_name, [c_name], **kwargs))


  add_pyrex_extension('bzrlib._dirstate_helpers_c')
  add_pyrex_extension('bzrlib._knit_load_data_c')
  if sys.platform == 'win32':
-    add_pyrex_extension('bzrlib._walkdirs_win32')
+    # pyrex uses the macro WIN32 to detect the platform, even though it should
+    # be using something like _WIN32 or MS_WINDOWS, oh well, we can give it the
+    # right value.
+    add_pyrex_extension('bzrlib._walkdirs_win32',
+                        define_macro=[('WIN32', None)])

^-- there should be "define_macros" -- i.e. plurals. Otherwise it won't work for me (again).

bb:tweak please.

You're real hero for windows users!