maint: add CI jobs to build and test a Windows wheel

Author: oscarbenjamin

.github/workflows/buildwheel.yml

@@ -61,3 +61,58 @@ jobs:
       - run: venv/bin/pip install -U pip
       - run: venv/bin/pip install --find-links wheelhouse python_flint
       - run: venv/bin/python test/test.py
+
+  build_windows:
+    #
+    # Test experimental Windows support. These wheels do not yet work due to
+    #
+    #    https://github.com/fredrik-johansson/python-flint/issues/10
+    #
+    # This job tests that building the wheel is possible with mingw-w64 under msys2.
+    #
+    name: Build Windows wheel
+    runs-on: windows-2019
+
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-python@v4
+        with:
+          python-version: '3.10'
+      - uses: msys2/setup-msys2@v2
+        with:
+          msystem: mingw64
+
+      - run: python -c 'import sys; print(sys.executable)'
+
+      - run: msys2 -c 'uname -a'
+
+      - run: msys2 -c 'bin/build_mingw64_wheel.sh'
+        env:
+          # This is where setup-python puts Python. We want the MSVC-built
+          # Python rather than an MSYS2 Python.
+          PYTHONDIR: '/c/hostedtoolcache/windows/Python/3.10.8/x64'
+
+      - uses: actions/upload-artifact@v3
+        with:
+          path: wheelhouse/*.whl
+
+  test_windows:
+    #
+    # For now this job is expected to fail.
+    #
+    needs: build_windows
+    name: Test Windows wheel
+    runs-on: windows-2019
+
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-python@v4
+        with:
+          python-version: '3.10'
+      - uses: actions/download-artifact@v3
+        with:
+          name: artifact
+          path: wheelhouse
+      - run: python -m pip install -U pip
+      - run: pip install --find-links wheelhouse python_flint
+      - run: python test/test.py

setup.py

@@ -9,7 +9,7 @@
 from distutils.sysconfig import get_config_vars
 
 if sys.platform == 'win32':
-    libraries = ["arb", "flint", "mpir", "mpfr", "pthreads"]
+    libraries = ["arb", "flint", "mpfr", "gmp"]
 else:
     libraries = ["arb", "flint"]
     (opt,) = get_config_vars('OPT')