From 7616599c0272c53a7d42c9008fe6f70294e0a3bf Mon Sep 17 00:00:00 2001
From: Daniel Paoliello <danpao@microsoft.com>
Date: Wed, 13 Dec 2023 16:12:40 -0800
Subject: [PATCH] Pass /machine:arm64ec to lib

---
 src/lib.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/lib.rs b/src/lib.rs
index d83eb0292..637d5e3d2 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -3011,10 +3011,14 @@ impl Build {
 
                     if lib.is_empty() {
                         name = String::from("lib.exe");
-                        match windows_registry::find(&target, "lib.exe") {
+                        let mut cmd = match windows_registry::find(&target, "lib.exe") {
                             Some(t) => t,
                             None => self.cmd("lib.exe"),
+                        };
+                        if target.contains("arm64ec") {
+                            cmd.arg("/machine:arm64ec");
                         }
+                        cmd
                     } else {
                         name = lib;
                         self.cmd(&name)