Add github actions for python wheels and sdist

.github/workflows/python.yml

@@ -0,0 +1,48 @@
+name: Build
+
+on: [push, pull_request]
+
+# doing as cibuildwheel docs says leads to frankenstein arm builds on macos
+# so lets be more explicit, no linux arm build as not available on github
+
+jobs:
+  build_wheels:
+    name: Wheel ${{ matrix.python }}-${{ matrix.buildplat[1] }}
+    runs-on: ${{ matrix.buildplat[0] }}
+    strategy:
+      fail-fast: false
+      matrix:
+        buildplat:
+        - [ubuntu-latest, manylinux_x86_64, auto]
+        - [macos-13, macosx_x86_64, x86_64]
+        - [macos-14, macosx_arm64, arm64]
+        python: ["cp38", "cp39", "cp310", "cp311", "cp312"]
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Build wheels
+        uses: pypa/cibuildwheel@v2.20.0
+        env:
+          CIBW_ARCHS: ${{ matrix.buildplat[2] }}
+          CIBW_BUILD: ${{ matrix.python }}-${{ matrix.buildplat[1] }}
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: cibw-wheels-${{ matrix.python }}-${{ matrix.buildplat[1] }}
+          path: ./wheelhouse/*.whl
+
+
+  build-sdist:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.10'
+      - name: Build sdist
+        run: python setup.py sdist
+      - uses: actions/upload-artifact@v4
+        with:
+          name: sdist
+          path: dist

setup.py

@@ -21,14 +21,14 @@ class LibMM2Build(build_ext):
 	# distributed on PyPI).
 	def run(self):
 		def compile_libminimap2(*args, **kwargs):
-			cmd = ['make', 'libminimap2.a'] + list(args) + ["python=1"]
+			cmd = ['make', 'libminimap2.a'] + list(args)
 			subprocess.check_call(cmd)
-		options = []
+		options = ["python=1"]
 		if platform.machine() in ["aarch64", "arm64"]:
-			options = ["arm_neon=1", "aarch64=1"]
+			options += ["arm_neon=1", "aarch64=1"]
 		self.execute(
 			compile_libminimap2, options,
-			'Compiling libminimap2 using Makefile')
+			f'Compiling libminimap2 using Makefile with options: {options}')
 		build_ext.run(self)