cmake: add llvm version deps for c++ #1723

	name: Ubuntu SYCL
	permissions:
	contents: read
	actions: write

	on:
	workflow_dispatch:
	push:
	branches:
	- main
	pull_request:
	types: [opened, reopened, synchronize]

	concurrency:
	group: ${{ github.workflow }}-${{ github.event.pull_request.number \|\| github.ref }}
	cancel-in-progress: true

	env:
	NPROC: 2
	GCE_CLI_GHA_VERSION: "416.0.0"

	jobs:
	ubuntu-sycl:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	BUILD_SHARED_LIBS: [ON, OFF]
	steps:
	- name: Checkout source code
	uses: actions/checkout@v4
	- name: Maximize build space
	run: \|
	source util/ci_utils.sh
	maximize_ubuntu_github_actions_build_space
	- name: Docker build
	run: \|
	if [ "${{ matrix.BUILD_SHARED_LIBS }}" = "ON" ]; then
	docker/docker_build.sh sycl-shared
	else
	docker/docker_build.sh sycl-static
	fi
	- name: Docker test
	run: \|
	du -hs $PWD
	if [ "${{ matrix.BUILD_SHARED_LIBS }}" = "ON" ]; then
	docker/docker_test.sh sycl-shared
	else
	docker/docker_test.sh sycl-static
	fi

	- name: GCloud CLI auth
	if: ${{ github.ref == 'refs/heads/main' }}
	uses: 'google-github-actions/auth@v2'
	with:
	project_id: ${{ secrets.GCE_PROJECT }}
	credentials_json: '${{ secrets.GCE_SA_KEY_GPU_CI }}'
	- name: GCloud CLI setup
	if: ${{ github.ref == 'refs/heads/main' }}
	uses: google-github-actions/setup-gcloud@v2
	with:
	version: ${{ env.GCE_CLI_GHA_VERSION }}
	project_id: ${{ secrets.GCE_PROJECT }}
	- name: Upload ccache to GCS
	if: ${{ github.ref == 'refs/heads/main' }}
	run: \|
	gsutil cp ${GITHUB_WORKSPACE}/open3d-ci-sycl.tar.gz gs://open3d-ci-cache/ \|\| true

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