From 7f5f1ce0eaac80bb4275352a2d2b21114c3c385a Mon Sep 17 00:00:00 2001
From: Jonathan Peppers <jonathan.peppers@microsoft.com>
Date: Thu, 10 Sep 2026 13:51:52 -0500
Subject: [PATCH] [build] serialize Windows library builds

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
---
 build/cake/build-and-package.cake | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/build/cake/build-and-package.cake b/build/cake/build-and-package.cake
index 4bd1a19e1..68a7325ac 100644
--- a/build/cake/build-and-package.cake
+++ b/build/cake/build-and-package.cake
@@ -31,10 +31,9 @@ Task ("libs")
         .EnableBinaryLogger ($"./output/libs.{CONFIGURATION}.binlog")
         .WithProperty("Verbosity", VERBOSITY.ToString ());
 
-    // Limit parallelism on Windows to reduce file locking issues during parallel builds
-    // This helps prevent race conditions when multiple projects access shared .aar files
+    // Serialize Windows project builds because dependent bindings access shared .aar files.
     if (IsRunningOnWindows ())
-        settings = settings.SetMaxCpuCount(2);
+        settings = settings.SetMaxCpuCount(1);
 
     settings.NodeReuse = false;