Run Linux ppc64le and aarch64 builds on emulated arch

.github/workflows/static_build.yml

@@ -49,17 +49,31 @@ jobs:
           environment-name: mambabuild
           create-args: python boa
           post-cleanup: none  # FIXME the cleanup fails on OSX
-      - name: Build conda package
+      - name: Build conda package (Unix native)
+        if: ${{ !(matrix.platform == 'linux' && matrix.arch != '64') }}
         shell: bash -l {0}
         run: |
           cd micromamba-feedstock/
           # Special values for running the feedstock with a local source
           export FEEDSTOCK_ROOT="${PWD}"
           export CI="local"
-          # For OSX no using Docker
+          # For OSX not using Docker
           export CONDA_BLD_PATH="${PWD}/build_artifacts"
           mkdir -p "${CONDA_BLD_PATH}"
           python build-locally.py "${{ matrix.platform }}_${{ matrix.arch }}_"
+      # The build_locally.py script will test all Linux builds, which fails outside of linux-64
+      - name: Build conda package (Linux emulated)
+        if: ${{ matrix.platform == 'linux' && matrix.arch != '64' }}
+        uses: uraimo/run-on-arch-action@v2
+        with:
+          arch: ${{ matrix.arch }}
+          distro: ubuntu_latest
+          run: |
+            cd micromamba-feedstock/
+            # Special values for running the feedstock with a local source
+            export FEEDSTOCK_ROOT="${PWD}"
+            export CI="local"
+            python build-locally.py "${{ matrix.platform }}_${{ matrix.arch }}_"
       - name: Unpack micromamba package
         shell: bash -l {0}
         run: |
@@ -68,21 +82,6 @@ jobs:
             "micromamba-feedstock/build_artifacts/${{ matrix.platform }}-${{ matrix.arch }}/"micromamba-*.tar.bz2 "pkg/"
           mkdir -p "${{ github.workspace }}/artifacts"
           cp pkg/bin/micromamba "${{ github.workspace }}/artifacts"
-      - name: Test micromamba on emulated target architecture
-        if: ${{ matrix.arch != '64' && matrix.platform == 'linux' }}
-        uses: uraimo/run-on-arch-action@v2
-        with:
-          arch: ${{ matrix.arch }}
-          distro: ubuntu_latest
-          dockerRunArgs: |
-            -v "${{ github.workspace }}/artifacts:/artifacts"
-          run: |
-            cd /artifacts
-            ./micromamba --version
-            ./micromamba --help
-            ./micromamba
-            apt update && apt install -y ca-certificates
-            ./micromamba create -p /tmp/testenv --override-channels -c conda-forge --yes python=3.9
       - name: Archive conda-build artifact
         if: failure()
         run: tar -czf ${{ github.workspace }}/micromamba-conda-build-failed-${{ matrix.platform }}-${{ matrix.arch }}.tar.gz $MAMBA_ROOT_PREFIX/envs/mambabuild/conda-bld/micromamba_*