ok manually alias system compiler with updated alternative

Author: 2bndy5

.github/workflows/python-packaging.yml

@@ -103,24 +103,16 @@ jobs:
             ${{ matrix.platform.target != 'ppc64le' && '--zig' || ''}}
           # avoid cache-poisoning potential for actually distributed builds
           # sccache: ${{ startsWith(github.ref, 'refs/tags') && 'false' || 'true' }}
-          manylinux: ${{ (matrix.platform.target == 'ppc64le' || matrix.platform.target == 's390x') && '2_28' || 'auto'}}
-          # here we either install the ppc64le compiler/toolchain or install zig on all others
-          # before-script-linux: |
-          #   case "${{ matrix.platform.target }}" in
-          #     s390x|ppc64le)
-          #       apt-get update
-          #       apt-get upgrade -y
-          #       apt-get install -y \
-          #         pkg-config \
-          #         gcc \
-          #         g++ \
-          #         binutils
-          #       ;;
-          #     *)
-          #       # spell-checker: disable-next-line
-          #       pip install ziglang
-          #       ;;
-          #   esac
+          manylinux: 'auto'
+          before-script-linux: |
+            case "${{ matrix.platform.target }}" in
+              s390x|ppc64le)
+                apt-get update
+                apt-get upgrade -y
+                apt-get install -y gcc-10
+                update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-10 60
+                ;;
+            esac
       - name: Upload wheels
         uses: actions/upload-artifact@v7
         with: