Update emsdk

libs/emsdk/README.md

@@ -65,7 +65,7 @@ https://emscripten.org/docs/building_from_source/toolchain_what_is_needed.html.
 
 ### Linux
 
-- `python`: Version 3.9.2 or above.
+- `python`: Version 3.8 or above.
 - `java`: For running closure compiler (optional)
 
 The emsdk pre-compiled binaries are built against Ubuntu/Focal 20.04 LTS and

libs/emsdk/bazel/MODULE.bazel

@@ -1,6 +1,6 @@
 module(
     name = "emsdk",
-    version = "4.0.9",
+    version = "4.0.11",
 )
 
 bazel_dep(name = "platforms", version = "0.0.11")

libs/emsdk/bazel/emscripten_toolchain/toolchain.bzl

@@ -363,6 +363,9 @@ def _impl(ctx):
         # Set if enabling exceptions.
         feature(name = "exceptions"),
 
+        # Set if enabling wasm_exceptions.
+        feature(name = "wasm_exceptions"),
+
         # This feature overrides the default optimization to prefer execution speed
         # over binary size (like clang -O3).
         feature(
@@ -515,7 +518,7 @@ def _impl(ctx):
             flags = [
                 "-fno-exceptions",
             ],
-            not_features = ["exceptions"],
+            not_features = ["exceptions", "wasm_exceptions"],
         ),
         flag_set(
             actions = all_cpp_compile_actions,
@@ -524,6 +527,14 @@ def _impl(ctx):
             ],
             features = ["exceptions"],
         ),
+        flag_set(
+            actions = all_cpp_compile_actions +
+                      all_link_actions,
+            flags = [
+                "-fwasm-exceptions",
+            ],
+            features = ["wasm_exceptions"],
+        ),
         # All compiles (and implicitly link)
         flag_set(
             actions = all_compile_actions +

libs/emsdk/bazel/revisions.bzl

@@ -2,6 +2,22 @@
 # DO NOT MODIFY
 
 EMSCRIPTEN_TAGS = {
+    "4.0.11": struct(
+        hash = "7033fec38817ec01909b044ea0193ddd5057255c",
+        sha_linux = "f38e70b53be587e7c757f375b3452e259c70130d4b40db3213c95b7ae321f5d7",
+        sha_linux_arm64 = "42020e4db200ac366a3e91ac2fccc04ee0ffc090cd2d5986c892b27f39172bb9",
+        sha_mac = "4169811f9682f54ae5c9d0662d0a4dd4318abab5d3d0473fa54007f515a8cdea",
+        sha_mac_arm64 = "09554371e3941306d047d67618532e5366ba6c9b5bda1a504a917bfbabc5d414",
+        sha_win = "bd2094ca9bde5df25020a46ece7f56b622d1d22214fbd12950b01b952dd40084",
+    ),
+    "4.0.10": struct(
+        hash = "8103ffedfb0c42d231c6af6859a5a1a832260b43",
+        sha_linux = "0183f887b56c3f8d4b45826cb49856a3324afb66236ad3c13944c0fd2550cbbc",
+        sha_linux_arm64 = "0679f459118d80163d0712b0abda00cbc97a90cddf1dcefa9efb1bf89f67baed",
+        sha_mac = "02f3179f703b4d196a679897b430c1eeeb1d5f9aeba9b435b04ba3f526f7e8e0",
+        sha_mac_arm64 = "c744ffe06ffed55cd8dae42862b7646f15550c7decd47a48d09a474af83732b0",
+        sha_win = "1a66825e85fda039f57d39c98ae2bdb96a18e53745159e9599f69679be18439f",
+    ),
     "4.0.9": struct(
         hash = "cb2a69bce627bd2247624c71fc12907cb8785d2f",
         sha_linux = "c6fd245138e6bbdd8349963cb4045c557d657e4be0ea44155375633c689c8be9",

libs/emsdk/bazel/test_secondary_lto_cache/MODULE.bazel

@@ -19,6 +19,7 @@ emscripten_cache.targets(targets = [
     "libdlmalloc",
     "libcompiler_rt",
     "libc++-noexcept",
+    "libc++-debug-noexcept",
     "libc++abi-debug-noexcept",
     "libsockets",
     "libdlmalloc-debug",

libs/emsdk/docker/Dockerfile

@@ -63,7 +63,7 @@ COPY --from=stage_build /emsdk /emsdk
 # using `--entrypoint /bin/bash` in CLI).
 # This corresponds to the env variables set during: `source ./emsdk_env.sh`
 ENV EMSDK=/emsdk \
-    PATH="/emsdk:/emsdk/upstream/emscripten:/emsdk/node/20.18.0_64bit/bin:${PATH}"
+    PATH="/emsdk:/emsdk/upstream/emscripten:/emsdk/node/22.16.0_64bit/bin:${PATH}"
 
 # ------------------------------------------------------------------------------
 # Create a 'standard` 1000:1000 user

libs/emsdk/emscripten-releases-tags.json

@@ -1,6 +1,6 @@
 {
   "aliases": {
-    "latest": "4.0.9",
+    "latest": "4.0.11",
     "latest-sdk": "latest",
     "latest-arm64-linux": "latest",
     "latest-64bit": "latest",
@@ -10,6 +10,10 @@
     "latest-releases-upstream": "latest"
   },
   "releases": {
+    "4.0.11": "7033fec38817ec01909b044ea0193ddd5057255c",
+    "4.0.11-asserts": "0eacb0d6",
+    "4.0.10": "8103ffedfb0c42d231c6af6859a5a1a832260b43",
+    "4.0.10-asserts": "ccf48a673362f11ddb6c3656405bb6a03b344052",
     "4.0.9": "cb2a69bce627bd2247624c71fc12907cb8785d2f",
     "4.0.9-asserts": "27f1e0801c6ec5ea4d9a9e1d573eb1fead3525f1",
     "4.0.8": "56f86607aeb458086e72f23188789be2ee0e971a",

libs/emsdk/emsdk

@@ -8,7 +8,10 @@
 
 # First look for python bundled in Emsdk
 if [ -z "$EMSDK_PYTHON" ]; then
-  PYTHON3="$(dirname "$0")/python/3.9.2-1_64bit/bin/python3"
+  PYTHON3="$(dirname "$0")/python/3.13.3_64bit/bin/python3"
+  if [ ! -f "$PYTHON3" ]; then
+    PYTHON3="$(dirname "$0")/python/3.9.2_64bit/bin/python3"
+  fi
   if [ -f "$PYTHON3" ]; then
     EMSDK_PYTHON="$PYTHON3"
 

libs/emsdk/emsdk.bat

@@ -7,8 +7,16 @@ setlocal
 :: When using our bundled python we never want the users
 :: PYTHONHOME or PYTHONPATH
 :: https://github.com/emscripten-core/emsdk/issues/598
-if exist "%~dp0python\3.9.2-1_64bit\python.exe" (
+
-  set EMSDK_PY="%~dp0python\3.9.2-1_64bit\python.exe"
+if exist "%~dp0python\3.13.3_64bit\python.exe" (
+  set EMSDK_PY="%~dp0python\3.13.3_64bit\python.exe"
+  set PYTHONHOME=
+  set PYTHONPATH=
+  goto end
+)
+
+if exist "%~dp0python\3.9.2_64bit\python.exe" (
+  set EMSDK_PY="%~dp0python\3.9.2_64bit\python.exe"
   set PYTHONHOME=
   set PYTHONPATH=
   goto end

libs/emsdk/emsdk.ps1

@@ -1,6 +1,7 @@
 $ScriptDirectory = Split-Path -parent $PSCommandPath
 
 $PythonLocations = $(
+    "python\3.13.3-0_64bit\python.exe",
     "python\3.9.2-1_64bit\python.exe",
     "python\3.9.2-nuget_64bit\python.exe"
 )

libs/emsdk/emsdk.py

@@ -143,11 +143,7 @@ if machine.startswith('x64') or machine.startswith('amd64') or machine.startswit
 elif machine.endswith('86'):
   ARCH = 'x86'
 elif machine.startswith('aarch64') or machine.lower().startswith('arm64'):
-  if WINDOWS:
+  ARCH = 'arm64'
-    errlog('No support for Windows on Arm, fallback to x64')
-    ARCH = 'x86_64'
-  else:
-    ARCH = 'arm64'
 elif machine.startswith('arm'):
   ARCH = 'arm'
 else:
@@ -988,17 +984,16 @@ def cmake_configure(generator, build_root, src_root, build_type, extra_cmake_arg
       generator = []
 
     cmdline = ['cmake'] + generator + ['-DCMAKE_BUILD_TYPE=' + build_type, '-DPYTHON_EXECUTABLE=' + sys.executable]
-    # Target macOS 10.14 at minimum, to support widest range of Mac devices
+    # Target macOS 11.0 Big Sur at minimum, to support older Mac devices.
-    # from "Early 2008" and newer:
+    # See https://en.wikipedia.org/wiki/MacOS#Hardware_compatibility for min-spec details.
-    # https://en.wikipedia.org/wiki/MacBook_(2006-2012)#Supported_operating_systems
+    cmdline += ['-DCMAKE_OSX_DEPLOYMENT_TARGET=11.0']
-    cmdline += ['-DCMAKE_OSX_DEPLOYMENT_TARGET=10.14']
     cmdline += extra_cmake_args + [src_root]
 
     print('Running CMake: ' + str(cmdline))
 
     # Specify the deployment target also as an env. var, since some Xcode versions
     # read this instead of the CMake field.
-    os.environ['MACOSX_DEPLOYMENT_TARGET'] = '10.14'
+    os.environ['MACOSX_DEPLOYMENT_TARGET'] = '11.0'
 
     def quote_parens(x):
       if ' ' in x:

libs/emsdk/emsdk_manifest.json

@@ -156,6 +156,56 @@
   },
 
 
+  {
+    "id": "node",
+    "version": "22.16.0",
+    "bitness": 32,
+    "arch": "x86",
+    "windows_url": "node-v22.16.0-win-x86.zip",
+    "activated_path": "%installation_dir%/bin",
+    "activated_path_skip": "node",
+    "activated_cfg": "NODE_JS='%installation_dir%/bin/node%.exe%'",
+    "activated_env": "EMSDK_NODE=%installation_dir%/bin/node%.exe%"
+  },
+  {
+    "id": "node",
+    "version": "22.16.0",
+    "arch": "arm",
+    "bitness": 32,
+    "linux_url": "node-v22.16.0-linux-armv7l.tar.xz",
+    "activated_path": "%installation_dir%/bin",
+    "activated_path_skip": "node",
+    "activated_cfg": "NODE_JS='%installation_dir%/bin/node%.exe%'",
+    "activated_env": "EMSDK_NODE=%installation_dir%/bin/node%.exe%"
+  },
+  {
+    "id": "node",
+    "version": "22.16.0",
+    "bitness": 64,
+    "arch": "x86_64",
+    "windows_url": "node-v22.16.0-win-x64.zip",
+    "macos_url": "node-v22.16.0-darwin-x64.tar.gz",
+    "linux_url": "node-v22.16.0-linux-x64.tar.xz",
+    "activated_path": "%installation_dir%/bin",
+    "activated_path_skip": "node",
+    "activated_cfg": "NODE_JS='%installation_dir%/bin/node%.exe%'",
+    "activated_env": "EMSDK_NODE=%installation_dir%/bin/node%.exe%"
+  },
+  {
+    "id": "node",
+    "version": "22.16.0",
+    "arch": "arm64",
+    "bitness": 64,
+    "windows_url": "node-v22.16.0-win-arm64.zip",
+    "macos_url": "node-v22.16.0-darwin-arm64.tar.gz",
+    "linux_url": "node-v22.16.0-linux-arm64.tar.xz",
+    "activated_path": "%installation_dir%/bin",
+    "activated_path_skip": "node",
+    "activated_cfg": "NODE_JS='%installation_dir%/bin/node%.exe%'",
+    "activated_env": "EMSDK_NODE=%installation_dir%/bin/node%.exe%"
+  },
+
+
   {
     "id": "python",
     "version": "3.9.2-nuget",
@@ -192,6 +242,44 @@
     "activated_cfg": "PYTHON='%installation_dir%/bin/python3'",
     "activated_env": "EMSDK_PYTHON=%installation_dir%/bin/python3;SSL_CERT_FILE=%installation_dir%/lib/python3.9/site-packages/certifi/cacert.pem"
   },
+
+  {
+    "id": "python",
+    "version": "3.13.3",
+    "bitness": 64,
+    "arch": "x86_64",
+    "windows_url": "python-3.13.3-0-win-amd64.zip",
+    "activated_cfg": "PYTHON='%installation_dir%/python.exe'",
+    "activated_env": "EMSDK_PYTHON=%installation_dir%/python.exe"
+  },
+  {
+    "id": "python",
+    "version": "3.13.3",
+    "bitness": 64,
+    "arch": "arm64",
+    "windows_url": "python-3.13.3-0-win-arm64.zip",
+    "activated_cfg": "PYTHON='%installation_dir%/python.exe'",
+    "activated_env": "EMSDK_PYTHON=%installation_dir%/python.exe"
+  },
+  {
+    "id": "python",
+    "version": "3.13.3",
+    "bitness": 64,
+    "arch": "x86_64",
+    "macos_url": "python-3.13.3-0-macos-x86_64.tar.gz",
+    "activated_cfg": "PYTHON='%installation_dir%/bin/python3'",
+    "activated_env": "EMSDK_PYTHON=%installation_dir%/bin/python3;SSL_CERT_FILE=%installation_dir%/lib/python3.13/site-packages/certifi/cacert.pem"
+  },
+  {
+    "id": "python",
+    "version": "3.13.3",
+    "bitness": 64,
+    "arch": "arm64",
+    "macos_url": "python-3.13.3-0-macos-arm64.tar.gz",
+    "activated_cfg": "PYTHON='%installation_dir%/bin/python3'",
+    "activated_env": "EMSDK_PYTHON=%installation_dir%/bin/python3;SSL_CERT_FILE=%installation_dir%/lib/python3.13/site-packages/certifi/cacert.pem"
+  },
+
   {
     "id": "emscripten",
     "version": "tag-%tag%",
@@ -350,19 +438,19 @@
   {
     "version": "main",
     "bitness": 64,
-    "uses": ["python-3.9.2-nuget-64bit", "llvm-git-main-64bit", "node-20.18.0-64bit", "emscripten-main-64bit", "binaryen-main-64bit"],
+    "uses": ["python-3.13.3-64bit", "llvm-git-main-64bit", "node-22.16.0-64bit", "emscripten-main-64bit", "binaryen-main-64bit"],
     "os": "win"
   },
   {
     "version": "main",
     "bitness": 64,
-    "uses": ["python-3.9.2-64bit", "llvm-git-main-64bit", "node-20.18.0-64bit", "emscripten-main-64bit", "binaryen-main-64bit"],
+    "uses": ["python-3.13.3-64bit", "llvm-git-main-64bit", "node-22.16.0-64bit", "emscripten-main-64bit", "binaryen-main-64bit"],
     "os": "macos"
   },
   {
     "version": "main",
     "bitness": 64,
-    "uses": ["llvm-git-main-64bit", "node-20.18.0-64bit", "emscripten-main-64bit", "binaryen-main-64bit"],
+    "uses": ["llvm-git-main-64bit", "node-22.16.0-64bit", "emscripten-main-64bit", "binaryen-main-64bit"],
     "os": "linux"
   },
   {
@@ -374,14 +462,14 @@
   {
     "version": "releases-%releases-tag%",
     "bitness": 64,
-    "uses": ["node-20.18.0-64bit", "releases-%releases-tag%-64bit"],
+    "uses": ["node-22.16.0-64bit", "releases-%releases-tag%-64bit"],
     "os": "linux",
     "custom_install_script": "emscripten_npm_install"
   },
   {
     "version": "releases-%releases-tag%",
     "bitness": 64,
-    "uses": ["node-20.18.0-64bit", "python-3.9.2-64bit", "releases-%releases-tag%-64bit"],
+    "uses": ["node-22.16.0-64bit", "python-3.13.3-64bit", "releases-%releases-tag%-64bit"],
     "os": "macos",
     "arch": "x86_64",
     "custom_install_script": "emscripten_npm_install"
@@ -389,7 +477,7 @@
   {
     "version": "releases-%releases-tag%",
     "bitness": 64,
-    "uses": ["node-20.18.0-64bit", "python-3.9.2-64bit", "releases-%releases-tag%-64bit"],
+    "uses": ["node-22.16.0-64bit", "python-3.13.3-64bit", "releases-%releases-tag%-64bit"],
     "os": "macos",
     "arch": "arm64",
     "custom_install_script": "emscripten_npm_install"
@@ -397,7 +485,7 @@
   {
     "version": "releases-%releases-tag%",
     "bitness": 64,
-    "uses": ["node-20.18.0-64bit", "python-3.9.2-nuget-64bit", "releases-%releases-tag%-64bit"],
+    "uses": ["node-22.16.0-64bit", "python-3.13.3-64bit", "releases-%releases-tag%-64bit"],
     "os": "win",
     "custom_install_script": "emscripten_npm_install"
   }

libs/emsdk/scripts/update_node.py

@@ -18,8 +18,8 @@ import os
 import shutil
 from zip import unzip_cmd, zip_cmd
 
-version = '20.18.0'
+version = '22.16.0'
-base = 'https://nodejs.org/dist/v20.18.0/'
+base = f'https://nodejs.org/dist/v{version}/'
 upload_base = 'gs://webassembly/emscripten-releases-builds/deps/'
 
 suffixes = [

libs/emsdk/scripts/update_python.py

@@ -8,12 +8,13 @@
 http://storage.google.com/webassembly.
 
 We only supply binaries for windows and macOS, but we do it very different ways for those two OSes.
+On Linux, we depend on the system version of python.
 
 Windows recipe:
-  1. Download the "embeddable zip file" version of python from python.org
+  1. Download precompiled version of python from NuGet package manager,
-  2. Remove .pth file to work around https://bugs.python.org/issue34841
+     either the package "python" for AMD64, or "pythonarm64" for ARM64.
-  3. Download and install pywin32 in the `site-packages` directory
+  2. Set up pip and install pywin32 and psutil via pip for emrun to work.
-  4. Re-zip and upload to storage.google.com
+  3. Re-zip and upload to storage.google.com
 
 macOS recipe:
   1. Clone cpython
@@ -32,27 +33,35 @@ import sys
 from subprocess import check_call
 from zip import unzip_cmd, zip_cmd
 
-version = '3.9.2'
+version = '3.13.3'
 major_minor_version = '.'.join(version.split('.')[:2])  # e.g. '3.9.2' -> '3.9'
-download_url = 'https://www.nuget.org/api/v2/package/python/%s' % version
 # This is not part of official Python version, but a repackaging number appended by emsdk
 # when a version of Python needs to be redownloaded.
-revision = '4'
+revision = '0'
 
-pywin32_version = '227'
+PSUTIL = 'psutil==7.0.0'
-pywin32_base = 'https://github.com/mhammond/pywin32/releases/download/b%s/' % pywin32_version
 
 upload_base = 'gs://webassembly/emscripten-releases-builds/deps/'
 
 
+# Detects whether current python interpreter architecture is ARM64 or AMD64
+# If running AMD64 python on an ARM64 Windows, this still intentionally returns AMD64
+def find_python_arch():
+    import sysconfig
+    arch = sysconfig.get_platform().lower()
+    if 'amd64' in arch:
+        return 'amd64'
+    if 'arm64' in arch:
+        return 'arm64'
+    raise f'Unknown Python sysconfig platform "{arch}" (neither AMD64 or ARM64)'
+
+
 def make_python_patch():
-    pywin32_filename = 'pywin32-%s.win-amd64-py%s.exe' % (pywin32_version, major_minor_version)
+    python_arch = find_python_arch()
-    filename = 'python-%s-amd64.zip' % (version)
+    package_name = 'pythonarm64' if python_arch == 'arm64' else 'python'
-    out_filename = 'python-%s-%s-amd64+pywin32.zip' % (version, revision)
+    download_url = f'https://www.nuget.org/api/v2/package/{package_name}/{version}'
-    if not os.path.exists(pywin32_filename):
+    filename = f'python-{version}-win-{python_arch}.zip'
-        url = pywin32_base + pywin32_filename
+    out_filename = f'python-{version}-{revision}-win-{python_arch}.zip'
-        print('Downloading pywin32: ' + url)
-        urllib.request.urlretrieve(url, pywin32_filename)
 
     if not os.path.exists(filename):
         print(f'Downloading python: {download_url} to {filename}')
@@ -62,19 +71,17 @@ def make_python_patch():
     check_call(unzip_cmd() + [os.path.abspath(filename)], cwd='python-nuget')
     os.remove(filename)
 
-    os.mkdir('pywin32')
+    src_dir = os.path.join('python-nuget', 'tools')
-    rtn = subprocess.call(unzip_cmd() + [os.path.abspath(pywin32_filename)], cwd='pywin32')
+    python_exe = os.path.join(src_dir, 'python.exe')
-    assert rtn in [0, 1]
+    check_call([python_exe, '-m', 'ensurepip', '--upgrade'])
+    check_call([python_exe, '-m', 'pip', 'install', 'pywin32==310', '--no-warn-script-location'])
+    check_call([python_exe, '-m', 'pip', 'install', PSUTIL])
 
-    os.mkdir(os.path.join('python-nuget', 'lib'))
+    check_call(zip_cmd() + [os.path.join('..', '..', out_filename), '.'], cwd=src_dir)
-    shutil.move(os.path.join('pywin32', 'PLATLIB'), os.path.join('python-nuget', 'toolss', 'Lib', 'site-packages'))
-
-    check_call(zip_cmd() + [os.path.join('..', '..', out_filename), '.'], cwd='python-nuget/tools')
     print('Created: %s' % out_filename)
 
     # cleanup if everything went fine
     shutil.rmtree('python-nuget')
-    shutil.rmtree('pywin32')
 
     if '--upload' in sys.argv:
       upload_url = upload_base + out_filename
@@ -92,7 +99,7 @@ def build_python():
         check_call(['brew', 'install', 'openssl', 'xz', 'pkg-config'])
         if platform.machine() == 'x86_64':
             prefix = '/usr/local'
-            min_macos_version = '10.11'
+            min_macos_version = '11.0'
         elif platform.machine() == 'arm64':
             prefix = '/opt/homebrew'
             min_macos_version = '11.0'
@@ -113,7 +120,9 @@ def build_python():
         osname = 'linux'
 
     src_dir = 'cpython'
-    if not os.path.exists(src_dir):
+    if os.path.exists(src_dir):
+      check_call(['git', 'fetch'], cwd=src_dir)
+    else:
       check_call(['git', 'clone', 'https://github.com/python/cpython'])
     check_call(['git', 'checkout', 'v' + version], cwd=src_dir)
 
@@ -143,7 +152,7 @@ def build_python():
 
     # Install psutil module. This is needed by emrun to track when browser
     # process quits.
-    check_call([pybin, pip, 'install', 'psutil'])
+    check_call([pybin, pip, 'install', PSUTIL])
 
     dirname = 'python-%s-%s' % (version, revision)
     if os.path.isdir(dirname):

libs/emsdk/test/test.py

@@ -176,9 +176,9 @@ int main() {
 
     # Test the normal tools like node don't re-download on re-install
     print('another install must re-download')
-    checked_call_with_output(emsdk + ' uninstall node-20.18.0-64bit')
+    checked_call_with_output(emsdk + ' uninstall node-22.16.0-64bit')
-    checked_call_with_output(emsdk + ' install node-20.18.0-64bit', expected='Downloading:', unexpected='already installed')
+    checked_call_with_output(emsdk + ' install node-22.16.0-64bit', expected='Downloading:', unexpected='already installed')
-    checked_call_with_output(emsdk + ' install node-20.18.0-64bit', unexpected='Downloading:', expected='already installed')
+    checked_call_with_output(emsdk + ' install node-22.16.0-64bit', unexpected='Downloading:', expected='already installed')
 
   def test_tot_upstream(self):
     print('test update-tags')