--- a/setup.py	Sun Dec 02 21:33:43 2018 +0900
+++ b/setup.py	Sun Dec 02 21:37:42 2018 +0900
@@ -968,6 +968,7 @@
                   'hg-direct-ffi',
                   include_dirs=common_include_dirs,
                   depends=common_depends + ['mercurial/cext/charencode.h',
+                                            'mercurial/cext/revlog.h',
                                             'rust/hg-core/src/ancestors.rs',
                                             'rust/hg-core/src/lib.rs']),
     Extension('mercurial.cext.osutil', ['mercurial/cext/osutil.c'],