try to foce gcc

Author: Carreau

.github/workflows/wheel.yaml

@@ -15,7 +15,7 @@ jobs:
       CIBW_TEST_REQUIRES: pytest
       CIBW_SKIP: "*27* pp* *35*"
       CIBW_ENVIRONMENT: "DISABLE_NUMCODECS_AVX2=1"
-      CIBW_ENVIRONMENT_MACOS: "MACOSX_DEPLOYMENT_TARGET=10.9 DISABLE_NUMCODECS_AVX2=1 CC=clang"
+      CIBW_ENVIRONMENT_MACOS: "MACOSX_DEPLOYMENT_TARGET=10.9 DISABLE_NUMCODECS_AVX2=1 CC=gcc"
 
     steps:
       - uses: actions/checkout@v1
@@ -33,75 +33,9 @@ jobs:
 
       - name: Build wheel
         run: |
-          echo $CC
-          which gcc
-          gcc --version
-          which clang
-          clang --version
-
           python -m cibuildwheel --output-dir wheelhouse
       - uses: actions/upload-artifact@v1
         with:
           name: wheels
           path: ./wheelhouse
 
-  build_sdist:
-    name: Build source distribution
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v1
-        with:
-          submodules: true
-
-      - uses: actions/setup-python@v2
-        name: Install Python
-        with:
-          python-version: '3.7'
-
-      - name: Build sdist
-        run: python setup.py sdist
-
-      - name: test install
-        run: pip install dist/numcodecs*.tar.gz
-
-      - uses: actions/upload-artifact@v2
-        with:
-          path: dist/*.tar.gz
-
-  test_dist_pypi:
-    needs: [build_wheels, build_sdist]
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/download-artifact@v1
-        with:
-          name: artifact
-          path: dist
-      - uses: actions/download-artifact@v1
-        with:
-          name: wheels
-          path: dist
-
-      - name: test
-        run: |
-          ls
-          ls dist
-
-  upload_pypi:
-    needs: [build_wheels, build_sdist]
-    runs-on: ubuntu-latest
-    if: github.event_name == 'push' && startsWith(github.event.ref, 'refs/tags/v')
-    steps:
-      - uses: actions/download-artifact@v1
-        with:
-          name: artifact
-          path: dist
-      - uses: actions/download-artifact@v1
-        with:
-          name: wheels
-          path: dist
-
-      - uses: pypa/gh-action-pypi-publish@master
-        with:
-          user: __token__
-          password: ${{ secrets.pypi_password }}
-          # To test: repository_url: https://test.pypi.org/legacy/