pyproject.toml

[build-system]
requires = ["setuptools"]
build-backend = "setuptools.build_meta"

[project]
name = "zlib-into"
version = "0.1"

[tool.setuptools]
ext-modules = [
  {name = "zlib_into", sources = ["zlib_into.c"], libraries = ["z"], py-limited-api=true}
]