From 1ec95939ec4edfdab7fcab8828db3e1d11eb2e25 Mon Sep 17 00:00:00 2001
From: viyatb-oai <viyatb@openai.com>
Date: Tue, 9 Jun 2026 16:16:15 -0700
Subject: [PATCH] fix: use BLAKE3 intrinsics for Windows Bazel

Co-authored-by: Codex noreply@openai.com
---
 MODULE.bazel | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/MODULE.bazel b/MODULE.bazel
index c4ef9500a7..25340ed7af 100644
--- a/MODULE.bazel
+++ b/MODULE.bazel
@@ -210,6 +210,18 @@ crate.from_cargo(
     use_experimental_platforms = True,
 )
 
+# BLAKE3 normally builds hand-written assembly on x86_64. In the Windows GNU
+# cross configuration, that archive is produced by the build script but is not
+# propagated to the Rust link action. Prefer BLAKE3's equivalent Rust
+# intrinsics implementation for the affected targets so every Rust crate that
+# transitively uses BLAKE3 remains buildable under Windows linting.
+crate.annotation(
+    crate = "blake3",
+    crate_features_select = {
+        "x86_64-pc-windows-gnullvm": ["prefer_intrinsics"],
+    },
+)
+
 bazel_dep(name = "zstd", version = "1.5.7")
 
 crate.annotation(