From ce4f64583a14a884aa5d0283d3d759bc4c4073f1 Mon Sep 17 00:00:00 2001
From: Adam Scott <ascott.ca@gmail.com>
Date: Thu, 10 Apr 2025 10:27:19 -0400
Subject: [PATCH] Add the equivalent of `-Werror` for `wasm-ld`

---
 platform/web/detect.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/platform/web/detect.py b/platform/web/detect.py
index 2a8011ec5b7..27556926ffc 100644
--- a/platform/web/detect.py
+++ b/platform/web/detect.py
@@ -130,6 +130,10 @@ def configure(env: "SConsEnvironment"):
     ## Copy env variables.
     env["ENV"] = os.environ
 
+    # This makes `wasm-ld` treat all warnings as errors.
+    if env["werror"]:
+        env.Append(LINKFLAGS=["-Wl,--fatal-warnings"])
+
     # LTO
 
     if env["lto"] == "auto":  # Enable LTO for production.