Adding aarch64 build

Author: merschformann

.github/workflows/build-wheels-push.yml

@@ -3,6 +3,7 @@ name: build-wheels-push
 # on: push
 
 on:
+ workflow_dispatch:
  release:
    types:
      - published
@@ -26,8 +27,10 @@ jobs:
         buildplat:
           - [ubuntu-20.04, manylinux_x86_64]
           - [ubuntu-20.04, manylinux_i686]
+          - [ubuntu-20.04, manylinux_aarch64]
           - [ubuntu-20.04, musllinux_x86_64] # No OpenBlas, no test
           - [ubuntu-20.04, musllinux_i686]
+          - [ubuntu-20.04, musllinux_aarch64]
           - [macos-12, macosx_x86_64]
           - [macos-14, macosx_arm64]
           - [windows-2019, win_amd64]
@@ -36,6 +39,11 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
+      - name: Set up QEMU # Required for aarch64 builds
+        if: matrix.buildplat == [ubuntu-20.04, manylinux_aarch64] || matrix.buildplat == [ubuntu-20.04, musllinux_aarch64]
+        uses: docker/setup-qemu-action@v3
+        with:
+          platforms: all
       - name: Build wheels
         uses: pypa/[email protected]
         env:
@@ -86,29 +94,29 @@ jobs:
   #       with:
   #         repository-url: https://test.pypi.org/legacy/
 
-  upload_pypi:
-    name: >-
-      Publish highspy to PyPI
-    runs-on: ubuntu-latest
-    needs: [build_wheels, build_sdist]
+  # upload_pypi:
+  #   name: >-
+  #     Publish highspy to PyPI
+  #   runs-on: ubuntu-latest
+  #   needs: [build_wheels, build_sdist]
 
-    # upload to PyPI on every tag starting with 'v'
-    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
+  #   # upload to PyPI on every tag starting with 'v'
+  #   if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
 
-    environment:
-      name: pypi
-      url: https://pypi.org/p/highspy
+  #   environment:
+  #     name: pypi
+  #     url: https://pypi.org/p/highspy
 
-    permissions:
-      id-token: write  # IMPORTANT: mandatory for trusted publishing
+  #   permissions:
+  #     id-token: write  # IMPORTANT: mandatory for trusted publishing
 
-    steps:
-      - uses: actions/download-artifact@v3
-        with:
-          # unpacks default artifact into dist/
-          # if `name: artifact` is omitted, the action will create extra parent dir
-          name: artifact
-          path: dist
+  #   steps:
+  #     - uses: actions/download-artifact@v3
+  #       with:
+  #         # unpacks default artifact into dist/
+  #         # if `name: artifact` is omitted, the action will create extra parent dir
+  #         name: artifact
+  #         path: dist
 
-      - name: Download all
-        uses: pypa/gh-action-pypi-publish@release/v1
+  #     - name: Download all
+  #       uses: pypa/gh-action-pypi-publish@release/v1