From 9d474580ed65a06c235c07ad2b4d6c826ddf81ca Mon Sep 17 00:00:00 2001
From: Yulong Wang <7679871+fs-eire@users.noreply.github.com>
Date: Wed, 16 Jul 2025 14:52:44 -0700
Subject: [PATCH] upgrade emsdk to 4.0.9

---
 .gitmodules                                               | 2 +-
 cmake/external/emsdk                                      | 2 +-
 tools/ci_build/build_args.py                              | 2 +-
 .../github/azure-pipelines/templates/linux-wasm-ci.yml    | 8 ++++----
 4 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/.gitmodules b/.gitmodules
index b5bff01d89850..47fd336031aec 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -7,4 +7,4 @@
 [submodule "cmake/external/emsdk"]
 	path = cmake/external/emsdk
 	url = https://github.com/emscripten-core/emsdk.git
-	branch = 4.0.8
+	branch = 4.0.9
diff --git a/cmake/external/emsdk b/cmake/external/emsdk
index 419021fa04042..3bcf1dcd01f04 160000
--- a/cmake/external/emsdk
+++ b/cmake/external/emsdk
@@ -1 +1 @@
-Subproject commit 419021fa040428bc69ef1559b325addb8e10211f
+Subproject commit 3bcf1dcd01f040f370e10fe673a092d9ed79ebb5
diff --git a/tools/ci_build/build_args.py b/tools/ci_build/build_args.py
index 53d53f3e15e99..6ec026a9e0e46 100644
--- a/tools/ci_build/build_args.py
+++ b/tools/ci_build/build_args.py
@@ -342,7 +342,7 @@ def add_webassembly_args(parser: argparse.ArgumentParser) -> None:
     """Adds arguments for WebAssembly (WASM) platform builds."""
     parser.add_argument("--build_wasm", action="store_true", help="Build for WebAssembly.")
     parser.add_argument("--build_wasm_static_lib", action="store_true", help="Build WebAssembly static library.")
-    parser.add_argument("--emsdk_version", default="4.0.8", help="Specify version of emsdk.")
+    parser.add_argument("--emsdk_version", default="4.0.9", help="Specify version of emsdk.")
     parser.add_argument("--enable_wasm_simd", action="store_true", help="Enable WebAssembly SIMD.")
     parser.add_argument("--enable_wasm_relaxed_simd", action="store_true", help="Enable WebAssembly Relaxed SIMD.")
     parser.add_argument("--enable_wasm_threads", action="store_true", help="Enable WebAssembly multi-threading.")
diff --git a/tools/ci_build/github/azure-pipelines/templates/linux-wasm-ci.yml b/tools/ci_build/github/azure-pipelines/templates/linux-wasm-ci.yml
index 9f76c150ca2a4..e092854398fe9 100644
--- a/tools/ci_build/github/azure-pipelines/templates/linux-wasm-ci.yml
+++ b/tools/ci_build/github/azure-pipelines/templates/linux-wasm-ci.yml
@@ -88,15 +88,15 @@ jobs:
     - script: |
         set -ex
         cd '$(Build.SourcesDirectory)/cmake/external/emsdk'
-        ./emsdk install 4.0.8 ccache-git-emscripten-64bit
-        ./emsdk activate 4.0.8 ccache-git-emscripten-64bit
+        ./emsdk install 4.0.9 ccache-git-emscripten-64bit
+        ./emsdk activate 4.0.9 ccache-git-emscripten-64bit
       displayName: 'emsdk install and activate ccache for emscripten'
   - ${{if eq(parameters.WithCache, false)}}:
     - script: |
         set -ex
         cd '$(Build.SourcesDirectory)/cmake/external/emsdk'
-        ./emsdk install 4.0.8
-        ./emsdk activate 4.0.8
+        ./emsdk install 4.0.9
+        ./emsdk activate 4.0.9
       displayName: 'emsdk install and activate ccache for emscripten'
 
   - template: build-linux-wasm-step.yml