Fix manylinux build tag

Author: coretl

.github/workflows/code.yml

@@ -42,6 +42,8 @@ jobs:
           # Put coverage in the output dir mounted in docker
           cov_file: /output/coverage.xml
           test_requires: cothread pytest-asyncio aioca
+          # Build an sdist here so it has the right line endings
+          sdist: true
 
         - os: windows-latest
           cov_file: '{project}/dist/coverage.xml'
@@ -78,6 +80,7 @@ jobs:
         run: pip install build cibuildwheel
 
       - name: Build Sdist
+        if: matrix.sdist
         run: python -m build --sdist .
 
       - name: Build Wheel
@@ -89,6 +92,7 @@ jobs:
           # Disable auditwheel as it isn't compatible with setuptools_dso approach
           # https://github.com/mdavidsaver/setuptools_dso/issues/17
           CIBW_REPAIR_WHEEL_COMMAND: ''
+          CIBW_MANYLINUX_X86_64_IMAGE: manylinux1
 
       - name: Upload Wheel and Sdist
         uses: actions/upload-artifact@v2

setup.py

@@ -6,6 +6,7 @@
 import epicscorelibs.version
 from setuptools_dso import Extension, setup
 from epicscorelibs.config import get_config_var
+from wheel.bdist_wheel import bdist_wheel
 
 # Place the directory containing _version_git on the path
 for path, _, filenames in os.walk(os.path.dirname(os.path.abspath(__file__))):
@@ -89,8 +90,19 @@ def install_for_development(self):
         if not os.path.exists(link):
             os.symlink(os.path.join(self.install_dir, "epicscorelibs"), link)
 
+
+class Wheel(bdist_wheel):
+    def get_tag(self):
+        impl, abi_tag, plat_name = bdist_wheel.get_tag(self)
+        # We want to produce manylinux tagged builds, but can't use
+        # auditwheel as it isn't compatible with setuptools_dso
+        # override the tag here as cibuildwheel won't let us do this
+        plat_name = os.environ.get("AUDITWHEEL_PLAT", plat_name)
+        return (impl, abi_tag, plat_name)
+
+
 setup(
-    cmdclass=dict(develop=Develop, **get_cmdclass()),
+    cmdclass=dict(develop=Develop, bdist_wheel=Wheel, **get_cmdclass()),
     version=__version__,
     ext_modules = [ext],
     install_requires = [