From 711f9e180a48baba62301735b7f1a58ef0d0e93a Mon Sep 17 00:00:00 2001
From: Minmin Gong <gongminmin@msn.com>
Date: Tue, 19 May 2020 05:22:16 -0700
Subject: [PATCH] bpo-40677: Define IO_REPARSE_TAG_APPEXECLINK explicitly
 (GH-20206)

This allows building with older versions of the Windows SDK where the value is not defined.
---
 .../next/Windows/2020-05-19-04-11-12.bpo-40677.qQbLW8.rst     | 1 +
 Modules/_stat.c                                               | 4 ++++
 2 files changed, 5 insertions(+)
 create mode 100644 Misc/NEWS.d/next/Windows/2020-05-19-04-11-12.bpo-40677.qQbLW8.rst

diff --git a/Misc/NEWS.d/next/Windows/2020-05-19-04-11-12.bpo-40677.qQbLW8.rst b/Misc/NEWS.d/next/Windows/2020-05-19-04-11-12.bpo-40677.qQbLW8.rst
new file mode 100644
index 00000000000..a09cb243aba
--- /dev/null
+++ b/Misc/NEWS.d/next/Windows/2020-05-19-04-11-12.bpo-40677.qQbLW8.rst
@@ -0,0 +1 @@
+Manually define IO_REPARSE_TAG_APPEXECLINK in case some old Windows SDK doesn't have it.
\ No newline at end of file
diff --git a/Modules/_stat.c b/Modules/_stat.c
index c7090c02688..546e6a5f94c 100644
--- a/Modules/_stat.c
+++ b/Modules/_stat.c
@@ -40,6 +40,10 @@ typedef unsigned short mode_t;
 #  define FILE_ATTRIBUTE_NO_SCRUB_DATA 0x20000
 #endif
 
+#ifndef IO_REPARSE_TAG_APPEXECLINK
+#  define IO_REPARSE_TAG_APPEXECLINK 0x8000001BL
+#endif
+
 #endif /* MS_WINDOWS */
 
 /* From Python's stat.py */