Support building a single DLL (#14) #4

	name: build-pip

	on:
	push:
	branches:
	- master
	paths:
	- '.github/workflows/build-pip.yml'
	- 'CMakeLists.txt'
	- 'cmake/**'
	- 'kaldi-decoder/csrc/**'
	- 'kaldi-decoder/python/**'
	- 'setup.py'
	pull_request:
	branches:
	- master
	paths:
	- '.github/workflows/build-pip.yml'
	- 'CMakeLists.txt'
	- 'cmake/**'
	- 'kaldi-decoder/csrc/**'
	- 'kaldi-decoder/python/**'
	- 'setup.py'

	workflow_dispatch:

	concurrency:
	group: build-pip-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	build-pip:
	name: ${{ matrix.os }} ${{ matrix.python-version }}
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-latest, macos-latest, windows-latest]
	python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
	fail-fast: false
	steps:
	- uses: actions/checkout@v4

	- name: ccache
	uses: hendrikmuhs/[email protected]
	with:
	key: ${{ matrix.os }}-${{ matrix.python-version }}

	# see https://github.com/microsoft/setup-msbuild
	- name: Add msbuild to PATH
	if: startsWith(matrix.os, 'windows')
	uses: microsoft/[email protected]

	- name: Setup Python
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}

	- name: Build
	shell: bash
	run: \|
	export CMAKE_CXX_COMPILER_LAUNCHER=ccache
	export PATH="/usr/lib/ccache:/usr/local/opt/ccache/libexec:$PATH"
	cmake --version

	python3 -m pip install -U pip wheel numpy setuptools
	python3 setup.py bdist_wheel
	ls -lh dist
	unzip -l ./dist/*.whl
	python3 -m pip install ./dist/kaldi*.whl
	cd ../..
	python3 -c "import kaldi_decoder; print(kaldi_decoder.__version__)"
	python3 -c "import kaldi_decoder; print(kaldi_decoder.__file__)"

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