pyodide: remove outdated patching of emscripten

Author: oscarbenjamin

.github/workflows/buildwheel.yml

@@ -10,10 +10,9 @@ permissions:
   contents: read
 
 env:
-  # These four values need to be kept in sync. Each pyodide version pins an
-  # emscripten version and a CPython version.
+  # These values need to be kept in sync. Each Pyodide version pins a CPython
+  # version.
   PYODIDE_VERSION: '314.0.0'
-  PYODIDE_EMSCRIPTEN_VERSION: '5.0.3'
   PYODIDE_PYTHON_VERSION: '3.14'
   PYODIDE_CIBW_BUILD: 'cp314-*'
 
@@ -105,26 +104,6 @@ jobs:
           $pkgConfigPath = $pkgConfigPath.Replace('\', '/')
           echo "PKG_CONFIG_PATH=$pkgConfigPath" >> $env:GITHUB_ENV
 
-        # ------------- pyodide ------------- #
-
-      - if: ${{ matrix.kind == 'pyodide' }}
-        name: Set up Emscripten toolchain
-        uses: pyodide/setup-emsdk@ca2dd8aef8c2a0e11743c5c36f0b430ddb694b5c # v15
-        with:
-          version: ${{ env.PYODIDE_EMSCRIPTEN_VERSION }}
-          actions-cache-folder: emsdk-cache
-
-      - if: ${{ matrix.kind == 'pyodide' }}
-        name: Check out Emscripten patches for Pyodide
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
-        with:
-          repository: pyodide/pyodide
-          ref: ${{ env.PYODIDE_VERSION }}
-          path: pyodide-patches
-          sparse-checkout: |
-            emsdk/patches/
-          persist-credentials: false
-
         # ------------- actual build ------------- #
 
       - name: Build wheels
@@ -183,7 +162,7 @@ jobs:
           macos-15,
           ]
         # This list to be kept in sync with python-requires in pyproject.toml.
-        python-version: ['3.11', '3.12', '3.13', '3.13t', '3.14', '3.14t', 'pypy3.11']
+        python-version: ['3.11', '3.12', '3.13', '3.14', '3.14t', 'pypy3.11']
         exclude:
           - os: windows-11-arm
             python-version: pypy3.11

bin/cibw_before_build_pyodide.sh

@@ -3,10 +3,3 @@
 set -euo pipefail
 
 python -m pip install wheel auditwheel_emscripten
-
-EMSCRIPTEN_DIR="$HOME/.cache/cibuildwheel/emsdk-$PYODIDE_EMSCRIPTEN_VERSION/emsdk-$PYODIDE_EMSCRIPTEN_VERSION/upstream/emscripten"
-
-for patch_file in pyodide-patches/emsdk/patches/*.patch; do
-  echo "Applying Pyodide Emscripten patch $(basename "$patch_file")"
-  patch -p1 --verbose -d "$EMSCRIPTEN_DIR" < "$patch_file"
-done

pyproject.toml

@@ -32,7 +32,7 @@ content-type = "text/markdown"
 # Minimum build requirements tested in CI need to be kept in sync with the
 # versions in requires below so that they are tested.
 #
-# To support the freethreaded build (CPython 3.13t) version 3.1.0 of Cython is
+# To support the freethreaded build (CPython 3.14t) version 3.1.0 of Cython is
 # needed as a minimum requirement. It is possible that future versions of
 # Cython might still work but typically a Cython release breaks something in
 # the build of python-flint so we include an upper bound here.