add lightgbm #3

	name: lightgbm

	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main

	jobs:
	build:
	runs-on: windows-latest

	steps:
	- name: Checkout code
	uses: actions/checkout@4

	- name: Install dependencies
	run: \|
	choco install -y cmake --installargs 'ADD_CMAKE_TO_PATH=System'
	choco install -y visualstudio2019buildtools
	choco install -y git
	choco install -y boost-msvc-14.1
	choco install -y cuda

	- name: Set up Boost environment
	run: \|
	echo BOOST_ROOT=C:\\local\\boost_1_63_0 >> $GITHUB_ENV
	echo BOOST_LIBRARYDIR=C:\\local\\boost_1_63_0\\lib64-msvc-14.1 >> $GITHUB_ENV

	- name: Configure build
	run: \|
	cmake -B build -S . -A x64 -DUSE_GPU=1 -DBOOST_ROOT=$BOOST_ROOT -DBOOST_LIBRARYDIR=$BOOST_LIBRARYDIR

	- name: Build LightGBM
	run: \|
	cmake --build build --target ALL_BUILD --config Release

	- name: Find the built wheel file
	run: \|
	dir /s /b *.whl

	- name: Upload wheel file
	uses: actions/upload-artifact@4
	with:
	name: lightgbm-wheel
	path: build\Release\*.whl

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