From bf6db247a2710a5c641bc73a60ff97550d929eed Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Thu, 26 Jan 2023 20:33:49 +0530
Subject: [PATCH] Command to automatically install the Windows SDK

---
 bypy/rsync.conf   |  2 +-
 setup/commands.py |  6 +++++-
 setup/xwin.py     | 29 +++++++++++++++++++++++++++++
 3 files changed, 35 insertions(+), 2 deletions(-)
 create mode 100644 setup/xwin.py

diff --git a/bypy/rsync.conf b/bypy/rsync.conf
index 8625f7dcaa..64bd448c51 100644
--- a/bypy/rsync.conf
+++ b/bypy/rsync.conf
@@ -1 +1 @@
-to_vm_excludes '/imgsrc /build /dist /manual /format_docs /translations /.build-cache /tags /Changelog* *.so *.pyd'
+to_vm_excludes '/imgsrc /build /dist /manual /format_docs /translations /.build-cache /.cache /tags /Changelog* *.so *.pyd'
diff --git a/setup/commands.py b/setup/commands.py
index fe414ca0a7..8cc1b1b6eb 100644
--- a/setup/commands.py
+++ b/setup/commands.py
@@ -20,7 +20,7 @@ __all__ = [
     'upload_user_manual', 'upload_demo', 'reupload',
     'stage1', 'stage2', 'stage3', 'stage4', 'stage5', 'publish', 'publish_betas',
     'linux', 'linux64', 'linuxarm64', 'win', 'win64', 'osx', 'build_dep',
-    'export_packages', 'hyphenation', 'liberation_fonts', 'stylelint'
+    'export_packages', 'hyphenation', 'liberation_fonts', 'stylelint', 'xwin',
 ]
 
 from setup.installers import Linux, Win, OSX, Linux64, LinuxArm64, Win64, ExtDev, BuildDep, ExportPackages
@@ -101,6 +101,10 @@ upload_to_server = UploadToServer()
 upload_installers = UploadInstallers()
 reupload = ReUpload()
 
+
+from setup.xwin import XWin
+xwin = XWin()
+
 commands = {}
 for x in __all__:
     commands[x] = locals()[x]
diff --git a/setup/xwin.py b/setup/xwin.py
new file mode 100644
index 0000000000..bb140938c0
--- /dev/null
+++ b/setup/xwin.py
@@ -0,0 +1,29 @@
+#!/usr/bin/env python
+# License: GPLv3 Copyright: 2023, Kovid Goyal <kovid at kovidgoyal.net>
+
+
+import os
+import shutil
+
+from setup import Command
+
+
+class XWin(Command):
+    description = 'Install the Windows headers for cross compilation'
+
+    def run(self, opts):
+        import subprocess
+        cache_dir = '.build-cache/xwin'
+        output_dir = cache_dir + '/splat'
+        cmd = f'xwin --include-atl --accept-license --cache-dir {cache_dir}'.split()
+        for step in 'download unpack'.split():
+            try:
+                subprocess.check_call(cmd + [step])
+            except FileNotFoundError:
+                raise SystemExit('xwin not found install it from https://github.com/Jake-Shadle/xwin/releases')
+        subprocess.check_call(cmd + ['splat', '--output', output_dir])
+        base = f'{output_dir}/sdk/include/um'
+        for casefix in 'Ole2.h OleCtl.h OAIdl.h OCIdl.h'.split():
+            os.link(f'{base}/{casefix.lower()}', f'{base}/{casefix}')
+        shutil.rmtree(f'{cache_dir}/dl')
+        shutil.rmtree(f'{cache_dir}/unpack')