Add musl aarch64 support at tier 4

.github/workflows/wheels.yml

@@ -154,6 +154,82 @@ jobs:
         uses: pypa/gh-action-pypi-publish@release/v1
         with:
           packages-dir: wheelhouse/
+  build_wheels_musl_aarch64:
+    name: Build wheels on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    environment: release
+    permissions:
+      id-token: write
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest]
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-python@v4
+        name: Install Python
+        with:
+          python-version: '3.8'
+      - uses: dtolnay/rust-toolchain@stable
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+        with:
+          platforms: all
+      - name: Install cibuildwheel
+        run: |
+          python -m pip install cibuildwheel==2.16.2
+      - name: Build wheels
+        run: |
+          python -m cibuildwheel --output-dir wheelhouse
+        env:
+          CIBW_ARCHS_LINUX: aarch64
+          CIBW_SKIP: cp36-* cp37-* cp311-* cp312-* *many*
+          CIBW_TEST_SKIP: cp37-* cp38-* cp39-* cp310-* cp311-* cp312-* *many*
+      - uses: actions/upload-artifact@v3
+        with:
+          path: ./wheelhouse/*.whl
+      - name: Publish package distributions to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          packages-dir: wheelhouse/
+  build_wheels_musl_aarch64_part_2:
+    name: Build wheels on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    environment: release
+    permissions:
+      id-token: write
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest]
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-python@v4
+        name: Install Python
+        with:
+          python-version: '3.8'
+      - uses: dtolnay/rust-toolchain@stable
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+        with:
+          platforms: all
+      - name: Install cibuildwheel
+        run: |
+          python -m pip install cibuildwheel==2.16.2
+      - name: Build wheels
+        run: |
+          python -m cibuildwheel --output-dir wheelhouse
+        env:
+          CIBW_ARCHS_LINUX: aarch64
+          CIBW_SKIP: cp36-* cp37-* cp38-* cp39-* cp310-* *many*
+          CIBW_TEST_SKIP: cp37-* cp38-* cp39-* cp310-* cp311-* cp312-* *many*
+      - uses: actions/upload-artifact@v3
+        with:
+          path: ./wheelhouse/*.whl
+      - name: Publish package distributions to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          packages-dir: wheelhouse/
   build_wheels_ppc64le:
     name: Build wheels on ${{ matrix.os }}
     runs-on: ${{ matrix.os }}

docs/source/install.rst

@@ -93,6 +93,10 @@ source.
      - x86_64
      - :ref:`tier-3`
      -
+   * - Linux (musl)
+     - aarch64
+     - :ref:`tier-4`
+     - 
    * - macOS (10.12 or newer)
      - x86_64
      - :ref:`tier-1`

releasenotes/notes/platform-updates-e9b296144e633c95.yaml

@@ -1,7 +1,8 @@
 ---
 features:
   - |
-    Added support for musl Linux platforms on x86_64 and aarch64 at :ref:`tier-3`.
+    Added support for musl Linux platforms on x86_64 at :ref:`tier-3`
+    and aarch64 at :ref:`tier-4`.
 upgrade:
   - |
     Support for the Linux ppc64le pllatform has changed from tier 3 to tier 4