From 219d8fb7eb20456ec5ae01b9ceb1884ddea2f0e1 Mon Sep 17 00:00:00 2001
From: Max Belanger <max@dropbox.com>
Date: Fri, 26 Jul 2024 12:24:01 -0400
Subject: [PATCH] make `setup.py` capable of detecting cross-compiling on
 windows when targeting arm64

---
 setup.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/setup.py b/setup.py
index 48648595..12de93d9 100644
--- a/setup.py
+++ b/setup.py
@@ -124,7 +124,7 @@ def use_homebrew_for_libffi():
         os.environ.get('PKG_CONFIG_PATH', '') + ':' + pkgconfig)
 
 if sys.platform == "win32" and uses_msvc():
-    if platform.machine() == "ARM64":
+    if platform.machine() == "ARM64" or os.getenv("VSCMD_ARG_TGT_ARCH") == "arm64":
         include_dirs.append(os.path.join("src/c/libffi_arm64/include"))
         library_dirs.append(os.path.join("src/c/libffi_arm64"))
     else: