cibuildwheels config: a few changes [skip ci]

actions/upload-artifact@v4 requires that names are unique

stub generation fails on cp38-macosx_arm64

use fetching of zlib-ng

.github/workflows/wheels2.yml

@@ -13,7 +13,10 @@ on:
         description: 'CIBW_SKIP'
         # To limit the number of builds, skip most of musl-based versions,
         # older PyPy versions, and 32-bit builds.
-        default: 'pp{37,38,39}-* cp{37,38,39}-musllinux* *_i686 *-win32'
+        default: 'pp{37,38,39}-* cp{37,38,39}-musllinux* *_i686 *-win32 cp38-macosx_arm64'
+      cibw_config_settings:
+        description: 'CIBW_CONFIG_SETTINGS'
+        default: ''
 
 jobs:
   build_wheels:
@@ -31,11 +34,12 @@ jobs:
       env:
         CIBW_BUILD: ${{ github.event.inputs.cibw_build }}
         CIBW_SKIP: ${{ github.event.inputs.cibw_skip }}
+        CIBW_CONFIG_SETTINGS: ${{ github.event.inputs.cibw_config_settings }}
 
     - run: ls -lh wheelhouse
       shell: bash
 
     - uses: actions/upload-artifact@v4
       with:
-        name: wheels2
+        name: cibw-wheels-${{ matrix.os }}-${{ strategy.job-index }}
         path: wheelhouse/*.whl

pyproject.toml

@@ -86,7 +86,12 @@ ignore-words-list = 'inout,fo,fom,te,nd,ser,unx,ket,acn,readd,conect'
 build-verbosity = 1
 test-command = "python -m unittest discover -v -s {project}/tests/"
 [tool.cibuildwheel.environment]
-SKBUILD_CMAKE_ARGS = '-DBUILD_GEMMI_PROGRAM=OFF;-DINSTALL_DEV_FILES=OFF;-DBUILD_SHARED_LIBS=OFF'
+SKBUILD_CMAKE_ARGS = '-DBUILD_GEMMI_PROGRAM=OFF;-DINSTALL_DEV_FILES=OFF;-DBUILD_SHARED_LIBS=OFF;-DFETCH_ZLIB_NG=ON'
+
+# https://cibuildwheel.readthedocs.io/en/stable/faq/#macos-building-cpython-38-wheels-on-arm64
+[[tool.cibuildwheel.overrides]]
+select = "cp38-macosx_arm64"
+environment.SKBUILD_CMAKE_DEFINE = 'GENERATE_STUBS=OFF'
 
 [tool.pylint]
 basic.const-naming-style = "any"