[Release] Unify local build scripts to use `cibuildwheel` and reduce size of sdist

[oraluben]

1. sdist: Update sdist includes, reduce size to meet the 100m limit of pypi;
2. GA: List artifacts for pull requests with title "[Release]", then we can download built wheel/sdist from artifacts, instead of use qemu on local machine. This also produces macos wheels, example: https://github.com/tile-ai/tilelang/actions/runs/19007774631?pr=1171 @LeiWang1999 ;
3. sdist: Generates a .git_commit.txt in sdist. pip do not allow a sdist to have different version with the installed package (we cannot have a sdist named tilelang-0.1.6.post2+gitxxxx.tar.gz and install a package named tilelang==0.1.6.post2+cu128.gitxxxx). Since sdist should not contain toolchain info, we need to store its git commit separately. When installed from sdist, the git info will be read from that file.
4. scripts: delete some file, use cibuildwheel to generate wheels for linux. However this seems not necessary, I hope Github Actions can eliminated most of local builds.

cc @XuehaiPan

Summary by CodeRabbit

• Chores
  • Removed legacy manifest file and moved to explicit vendored subcomponent packaging in pyproject.
  • Simplified build/distribution: removed multi-arch Docker orchestration, using direct build-tool invocations for local/CI builds.
  • Updated container builder bases and per-architecture CUDA defaults for manylinux builds.
  • Persisted version stamping to a git-pin file (now ignored) and fallback to "gitunknown" when commit info is unavailable.
  • CI: sdist/wheels/artifacts also produced for PRs titled “[Release]”.

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📥 Commits

Reviewing files that changed from the base of the PR and between 703e63c15803fd016f321f0ef6e1ef73eb912156 and 54ff485957e25c2c96f97ada83769935b37bb7e1.

📒 Files selected for processing (1)

• pyproject.toml (5 hunks)

Walkthrough

Deletes MANIFEST.in, tightens sdist/wheel vendoring in pyproject.toml, simplifies multi-arch Docker distribution scripts to single cibuildwheel invocations, updates manylinux Dockerfile and CI build flags, adds git commit caching/persistence in version_provider.py, and ignores _git_commit.txt in .gitignore.

Changes

Cohort / File(s)	Summary
Packaging manifests MANIFEST.in, pyproject.toml, version_provider.py, .gitignore	MANIFEST.in removed; pyproject.toml narrows sdist/wheel vendoring to explicit 3rdparty subpaths (TVM, CUTLASS, Composable Kernel), adds DEFAULT_CUDA_VERSION and arch-aware CUDA defaults, and build/debug flags; version_provider.py adds @lru_cache(maxsize=1), persists git hash to _git_commit.txt and reads it as fallback, and appends gitunknown when missing; .gitignore now ignores _git_commit.txt.
Top-level build orchestration maint/scripts/docker_build_all.sh	Removed sequential invocation and logging of docker_local_distribute.sh and docker_pypi_distribute.sh.
Local distribution script maint/scripts/docker_local_distribute.sh	Replaced multi-arch docker buildx orchestration with a single local cibuildwheel invocation (CIBW_BUILD targeted at local arch).
PyPI distribution script maint/scripts/docker_pypi_distribute.sh	Replaced per-arch docker buildx loop and dist relocation with a single cibuildwheel invocation exposing CIBW_ARCHS, CIBW_BUILD, and NO_VERSION_LABEL; removed per-arch tagging/relocation logic.
Manylinux builder Dockerfile maint/scripts/pypi.manylinux.Dockerfile	Switched builder bases to quay.io/pypa/manylinux... images, added ARG/ENV CUDA_VERSION and TARGETARCH multi-stage selection, set TZ, updated CUDA repo handling, and install cibuildwheel via pipx (removed venv/uv steps).
GitHub Actions .github/workflows/dist.yml	Replaced NO_GIT_VERSION with NO_VERSION_LABEL; broadened conditions so SDist, wheel upload, and listing artifacts also run for PRs whose titles contain [Release].

Sequence Diagram(s)

sequenceDiagram
  rect rgb(250,240,230)
    Note over CI: Old flow — build-all invoked per-arch Docker buildx scripts
    CI->>docker_build_all.sh: run
    docker_build_all.sh->>docker_local_distribute.sh: invoke & log
    docker_local_distribute.sh->>docker buildx: setup & per-arch builds
    docker_build_all.sh->>docker_pypi_distribute.sh: invoke & log
    docker_pypi_distribute.sh->>docker buildx: setup & per-arch builds
    docker buildx-->>CI: per-arch artifacts (relocated)
  end

  rect rgb(230,250,240)
    Note over CI: New flow — direct cibuildwheel invocation
    CI->>cibuildwheel: invoke (CIBW_ARCHS/CIBW_BUILD/NO_VERSION_LABEL)
    cibuildwheel->>manylinux container: build wheels (arch-aware)
    manylinux container-->>cibuildwheel: produced wheels
    cibuildwheel-->>CI: artifacts in dist/
  end

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~25 minutes

• Inspect pyproject.toml sdist/wheel include/exclude changes vs. removed MANIFEST.in.
• Verify atomicity and permissions for _git_commit.txt writes/reads in version_provider.py.
• Validate manylinux Dockerfile CUDA repo and pipx-based cibuildwheel installation.

Possibly related PRs

• tile-ai/tilelang#973 — modifies CI distribution/workflow logic overlapping .github/workflows/dist.yml changes.
• tile-ai/tilelang#1098 — touches packaging and CI manifests (MANIFEST.in, pyproject.toml) similar to these packaging edits.

Suggested reviewers

• LeiWang1999

Poem

🐇 I nudged the manifest into the ground,

Packed TVM and CUTLASS safe and sound.
From buildx bustle to cibuildwheel’s cheer,
I cached the hash so versions persevere.
Hoppity-hop — the dist folder's near! 🥕

Pre-merge checks and finishing touches

✅ Passed checks (2 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately summarizes the two main changes: unifying build scripts to use cibuildwheel and reducing sdist size, which directly align with the changeset modifications.

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[oraluben]

is 3rdparty/tvm/src necessary for wheels?

[LeiWang1999]

is 3rdparty/tvm/src necessary for wheels?

yes, this should be included