Revert "Revert "[Backend] Improve dot support to target FMA (#4516)"" #777

	name: Build on Windows

	on:
	workflow_dispatch:

	pull_request:
	branches:
	- main
	- release/**
	push:
	branches:
	- main
	- release/**

	permissions: read-all

	env:
	NEW_WORKSPACE: C:\gh${{ github.run_id }}

	jobs:
	build:
	name: Build
	runs-on: avc336
	steps:
	- name: Enable long paths
	run: \|
	git config --system core.longPaths true

	- name: Checkout repository
	uses: actions/checkout@v4

	- name: Install Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.9'

	# Copy workspace to a temporary location with a shorter name.
	- name: Copy workspace
	run: \|
	Copy-Item -Path ${{ github.workspace }} -Destination ${{ env.NEW_WORKSPACE }} -Recurse

	# We need ninja >= 1.12.0 to support long names on Windows. At the moment there is no required
	# version in pypi, so instead of installing ninja with pip we use a preinstalled 1.12.1 on the
	# runner.
	- name: Build Triton
	run: \|
	cd ${{ env.NEW_WORKSPACE }}

	cmd /c '"C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Auxiliary\Build\vcvarsall.bat" x64 && set' \| ForEach-Object {
	if ($_ -match '^(.?)=(.)$') {
	[Environment]::SetEnvironmentVariable($matches[1], $matches[2])
	}
	}

	cd python
	pip install -U wheel pybind11 certifi cython cmake setuptools>=65.6.1
	python -m certifi
	pip install -v --no-build-isolation '.[build]'

	- name: Clean
	if: ${{ always() }}
	run: \|
	Remove-Item -LiteralPath ${{ env.NEW_WORKSPACE }} -Force -Recurse -ErrorAction Ignore

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