Index: Lib/distutils/sysconfig.py
===================================================================
--- Lib/distutils/sysconfig.py	(révision 84694)
+++ Lib/distutils/sysconfig.py	(copie de travail)
@@ -271,8 +271,16 @@
     used instead of a new dictionary.
     """
     from distutils.text_file import TextFile
-    fp = TextFile(fn, strip_comments=1, skip_blanks=1, join_lines=1)
 
+    try:
+        import locale
+        encoding = locale.getpreferredencoding()
+    except ImportError:
+        # importing locale may fail during build
+        encoding = sys.getfilesystemencoding()
+
+    fp = TextFile(fn, strip_comments=1, skip_blanks=1, join_lines=1, encoding=encoding)
+
     if g is None:
         g = {}
     done = {}
Index: Lib/distutils/text_file.py
===================================================================
--- Lib/distutils/text_file.py	(révision 84694)
+++ Lib/distutils/text_file.py	(copie de travail)
@@ -34,8 +34,7 @@
        can include it in warning messages.  If 'file' is not supplied,
        TextFile creates its own using 'io.open()'.
 
-       The options are all boolean, and affect the value returned by
-       'readline()':
+       The options affect the value returned by 'readline()':
          strip_comments [default: true]
            strip from "#" to end-of-line, as well as any whitespace
            leading up to the "#" -- unless it is escaped by a backslash
@@ -58,6 +57,8 @@
          collapse_join [default: false]
            strip leading whitespace from lines that are joined to their
            predecessor; only matters if (join_lines and not lstrip_ws)
+         encoding [default: None]
+           file content encoding
 
        Note that since 'rstrip_ws' can strip the trailing newline, the
        semantics of 'readline()' must differ from those of the builtin file
@@ -72,6 +73,7 @@
                         'rstrip_ws':      1,
                         'join_lines':     0,
                         'collapse_join':  0,
+                        'encoding':       None,
                       }
 
     def __init__(self, filename=None, file=None, **options):
@@ -111,7 +113,7 @@
         """Open a new file named 'filename'.  This overrides both the
            'filename' and 'file' arguments to the constructor."""
         self.filename = filename
-        self.file = io.open(self.filename, 'r')
+        self.file = io.open(self.filename, 'r', encoding=self.encoding)
         self.current_line = 0
 
     def close(self):