Import tests and cibuildwheel from master

.github/workflows/cibuildwheel.yml

@@ -14,9 +14,11 @@ jobs:
     strategy:
       matrix:
         # macos-13 is an intel runner, macos-14 is apple silicon
-        os: [ubuntu-latest, macos-13, macos-14, windows-2022]
+        os: [ubuntu-latest, windows-2022, macos-13, macos-14]
 
     steps:
+      # See https://cibuildwheel.pypa.io/en/1.x/cpp_standards/
+      - uses: ilammy/msvc-dev-cmd@v1
       - uses: actions/checkout@v4
       # This is crazy slow. We'll need to wait for arm Linux
       # runners.
@@ -26,10 +28,19 @@ jobs:
       #  uses: docker/setup-qemu-action@v3
       #  with:
       #    platforms: all
+      - name: Debug env
+        run: env
       - name: Build wheels
         uses: pypa/[email protected]
         env:
           CIBW_ARCHS_LINUX: auto
+          DISTUTILS_USE_SDK: 1
+          MSSdk: 1
+          AR: llvm-ar
+          AS: llvm-as
+          CC: clang
+          RANLIB: echo
+          CIBW_BUILD_VERBOSITY: 5
         with:
           package-dir: .
           output-dir: wheelhouse
@@ -39,41 +50,6 @@ jobs:
           name: cibw-wheels-${{ matrix.os }}-${{ strategy.job-index }}
           path: ./wheelhouse/*.whl
 
-  build_wheels_windows:
-    name: Build wheels on ${{ matrix.os }}
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        # macos-13 is an intel runner, macos-14 is apple silicon
-        os: [windows]
-
-    steps:
-      - uses: actions/checkout@v4
-      # This is crazy slow. We'll need to wait for arm Linux
-      # runners.
-      # aarch64 (arm) is built via qemu emulation on Linux
-      #- name: Set up QEMU
-      #  if: runner.os == 'Linux'
-      #  uses: docker/setup-qemu-action@v3
-      #  with:
-      #    platforms: all
-      - name: Install older LLVM
-        run: |
-          choco install llvm --version=15.0.7 --allow-downgrade
-      - name: Build wheels
-        uses: pypa/[email protected]
-        env:
-          CIBW_ARCHS_LINUX: auto
-        with:
-          package-dir: .
-          output-dir: wheelhouse
-          config-file: "{package}/pyproject.toml"
-      - uses: actions/upload-artifact@v4
-        with:
-          name: cibw-wheels-${{ matrix.os }}-${{ strategy.job-index }}
-          path: ./wheelhouse/*.whl
-
-
   build_sdist:
     name: Build source distribution
     runs-on: ubuntu-latest

.github/workflows/tests.yml

@@ -2,6 +2,8 @@ name: tests
 
 on:
   push:
+    #tags-ignore:
+    #  - '**'
     paths-ignore:
       - "*.md"
   pull_request:
@@ -20,13 +22,8 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        os: [ubuntu-latest, windows-22, macos-13]
+        os: [ubuntu-latest, windows-latest]
         python_version: ["3.9", "3.10", "3.11", "3.12"]
-        include:
-          - os: windows-2019
-            python_version: "3.6"
-          - os: ubuntu-20.04
-            python_version: "3.6"
     runs-on: ${{ matrix.os }}
 
     steps:
@@ -43,7 +40,7 @@ jobs:
         shell: bash
         if: startsWith(matrix.os, 'windows')
         run: |
-          choco install llvm --version=15.0.7 --allow-downgrade
+          choco install llvm
 
       - name: Install dependencies
         run: |
@@ -74,20 +71,23 @@ jobs:
       - name: Build wheel (Linux / gcc-9)
         if: startsWith(matrix.os, 'ubuntu') && (matrix.python_version == '3.7' || matrix.python_version == '3.8')
         run: |
+          sudo apt update
+          sudo apt install gcc-9
           gcc-9 --version
           CC=gcc-9 python -m build --wheel
 
       - name: Build wheel (Linux / gcc-10)
         if: startsWith(matrix.os, 'ubuntu') && matrix.python_version == '3.9'
         run: |
+          sudo apt update
+          sudo apt install gcc-10
           gcc-10 --version
           CC=gcc-10 python -m build --wheel
-
       - name: Build wheel (Linux / clang-13)
         if: startsWith(matrix.os, 'ubuntu') && matrix.python_version == '3.10'
         run: |
-          clang-13 --version
-          CC=clang-13 python -m build --wheel
+          clang --version
+          CC=clang python -m build --wheel
 
       - name: Build wheel (Linux / gcc)
         if: startsWith(matrix.os, 'ubuntu') && (matrix.python_version == '3.11' || matrix.python_version == '3.12')