.github/workflows/dist.yml: Update for linux-aarch64, musllinux

Author: Matthias Koeppe

.github/workflows/dist.yml

@@ -43,23 +43,25 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
+        os:      [ubuntu-latest]
+        arch:    [x86_64, i686, aarch64]
+        build:   [manylinux, musllinux]
         include:
-          - os: ubuntu-latest
-            arch: x86_64
-          - os: ubuntu-latest
-            arch: i686
           - os: macos-13
             arch: x86_64
+            build: macosx
           - os: macos-14
             arch: arm64
+            build: macosx
     env:
       # SPKGs to install as system packages
       SPKGS: _bootstrap _prereq
       # Non-Python packages to install as spkgs
       TARGETS_PRE: coin-build-deps
+      #
+      CIBW_BUILD: "*${{ matrix.build }}*"
       # Disable building PyPy wheels on all platforms
-      # Disable musllinux until #33083 provides alpine package information
-      CIBW_SKIP: "pp* *-musllinux*"
+      CIBW_SKIP: "pp*"
       #
       CIBW_ARCHS: ${{ matrix.arch }}
       # https://cibuildwheel.readthedocs.io/en/stable/options/#requires-python
@@ -74,6 +76,12 @@ jobs:
           repository:   sagemath/sage
           ref:          develop
 
+      - name: Set up QEMU
+        if: runner.os == 'Linux' && matrix.arch != 'x86_64' && matrix.arch != 'i686'
+        uses: docker/setup-qemu-action@v3
+        with:
+          platforms: all
+
       - uses: actions/download-artifact@v4
         with:
           name: dist
@@ -106,7 +114,7 @@ jobs:
 
       - uses: actions/upload-artifact@v4
         with:
-          name: ${{ matrix.os }}-${{ matrix.arch }}-wheels
+          name: ${{ matrix.os }}-${{ matrix.build }}-${{ matrix.arch }}-wheels
           path: ./wheelhouse/*.whl
 
   pypi-publish: