diff -r 5866ba5e9c48 -r e9996bd7203f setup.py
--- a/setup.py	Mon Jul 31 22:12:24 2017 +0900
+++ b/setup.py	Mon Jul 31 22:28:27 2017 +0900
@@ -760,7 +760,8 @@
                                         'mercurial/cext/mpatch.c'],
               include_dirs=common_include_dirs,
               depends=common_depends),
-    Extension('mercurial.cext.parsers', ['mercurial/cext/dirs.c',
+    Extension('mercurial.cext.parsers', ['mercurial/cext/charencode.c',
+                                         'mercurial/cext/dirs.c',
                                          'mercurial/cext/manifest.c',
                                          'mercurial/cext/parsers.c',
                                          'mercurial/cext/pathencode.c',