CI #36

Workflow file for this run

	name: CI

	on:
	workflow_dispatch:
	pull_request:
	push:
	branches:
	- master
	- stable
	- v*

	permissions: read-all

	concurrency:
	group: test-${{ github.ref }}
	cancel-in-progress: true

	env:
	PIP_BREAK_SYSTEM_PACKAGES: 1
	PIP_ONLY_BINARY: numpy
	FORCE_COLOR: 3
	PYTEST_TIMEOUT: 300
	# For cmake:
	VERBOSE: 1

	jobs:
	# This is the "main" test suite, which tests a large number of different
	# versions of default compilers and Python versions in GitHub Actions.
	# standard:
	# strategy:
	# fail-fast: false
	# matrix:
	# runs-on: [ubuntu-20.04, windows-2022, macos-13]
	# python:
	# - '3.6'
	# - '3.9'
	# - '3.10'
	# - '3.11'
	# - '3.12'
	# - 'pypy-3.8'
	# - 'pypy-3.9'
	# - 'pypy-3.10'

	# # Items in here will either be added to the build matrix (if not
	# # present), or add new keys to an existing matrix element if all the
	# # existing keys match.
	# #
	# # We support an optional key: args, for cmake args
	# include:
	# # Just add a key
	# - runs-on: ubuntu-20.04
	# python: '3.6'
	# args: >
	# -DPYBIND11_FINDPYTHON=ON
	# -DCMAKE_CXX_FLAGS="-D_=1"
	# - runs-on: ubuntu-20.04
	# python: 'pypy-3.8'
	# args: >
	# -DPYBIND11_FINDPYTHON=ON
	# - runs-on: windows-2019
	# python: '3.6'
	# args: >
	# -DPYBIND11_FINDPYTHON=ON
	# # Inject a couple Windows 2019 runs
	# - runs-on: windows-2019
	# python: '3.9'

	# name: "🐍 ${{ matrix.python }} • ${{ matrix.runs-on }} • x64 ${{ matrix.args }}"
	# runs-on: ${{ matrix.runs-on }}

	# steps:
	# - uses: actions/checkout@v4

	# - name: Setup Python ${{ matrix.python }}
	# uses: actions/setup-python@v5
	# with:
	# python-version: ${{ matrix.python }}

	# - name: Setup Boost (Linux)
	# # Can't use boost + define _
	# if: runner.os == 'Linux' && matrix.python != '3.6'
	# run: sudo apt-get install libboost-dev

	# - name: Setup Boost (macOS)
	# if: runner.os == 'macOS'
	# run: brew install boost

	# - name: Update CMake
	# uses: jwlawson/actions-setup-cmake@v2.0

	# - name: Cache wheels
	# if: runner.os == 'macOS'
	# uses: actions/cache@v4
	# with:
	# # This path is specific to macOS - we really only need it for PyPy NumPy wheels
	# # See https://github.com/actions/cache/blob/master/examples.md#python---pip
	# # for ways to do this more generally
	# path: ~/Library/Caches/pip
	# # Look to see if there is a cache hit for the corresponding requirements file
	# key: ${{ runner.os }}-pip-${{ matrix.python }}-x64-${{ hashFiles('tests/requirements.txt') }}

	# - name: Prepare env
	# run: \|
	# python -m pip install -r tests/requirements.txt

	# - name: Setup annotations on Linux
	# if: runner.os == 'Linux'
	# run: python -m pip install pytest-github-actions-annotate-failures

	# # First build - C++11 mode and inplace
	# # More-or-less randomly adding -DPYBIND11_SIMPLE_GIL_MANAGEMENT=ON here
	# # (same for PYBIND11_NUMPY_1_ONLY, but requires a NumPy 1.x at runtime).
	# - name: Configure C++11 ${{ matrix.args }}
	# run: >
	# cmake -S . -B .
	# -DPYBIND11_WERROR=ON
	# -DPYBIND11_DISABLE_HANDLE_TYPE_NAME_DEFAULT_IMPLEMENTATION=ON
	# -DPYBIND11_SIMPLE_GIL_MANAGEMENT=ON
	# -DPYBIND11_NUMPY_1_ONLY=ON
	# -DDOWNLOAD_CATCH=ON
	# -DDOWNLOAD_EIGEN=ON
	# -DCMAKE_CXX_STANDARD=11
	# ${{ matrix.args }}

	# - name: Build C++11
	# run: cmake --build . -j 2

	# - name: Python tests C++11
	# run: cmake --build . --target pytest -j 2

	# - name: C++11 tests
	# # TODO: Figure out how to load the DLL on Python 3.8+
	# if: "!(runner.os == 'Windows' && (matrix.python == 3.8 \|\| matrix.python == 3.9 \|\| matrix.python == '3.10' \|\| matrix.python == '3.11' \|\| matrix.python == 'pypy-3.8'))"
	# run: cmake --build . --target cpptest -j 2

	# - name: Interface test C++11
	# run: cmake --build . --target test_cmake_build

	# - name: Clean directory
	# run: git clean -fdx

	# # Second build - C++17 mode and in a build directory
	# # More-or-less randomly adding -DPYBIND11_SIMPLE_GIL_MANAGEMENT=OFF here.
	# # (same for PYBIND11_NUMPY_1_ONLY, but requires a NumPy 1.x at runtime).
	# - name: Configure C++17
	# run: >
	# cmake -S . -B build2
	# -DPYBIND11_WERROR=ON
	# -DPYBIND11_SIMPLE_GIL_MANAGEMENT=OFF
	# -DPYBIND11_NUMPY_1_ONLY=ON
	# -DDOWNLOAD_CATCH=ON
	# -DDOWNLOAD_EIGEN=ON
	# -DCMAKE_CXX_STANDARD=17
	# ${{ matrix.args }}

	# - name: Build
	# run: cmake --build build2 -j 2

	# - name: Python tests
	# run: cmake --build build2 --target pytest

	# - name: C++ tests
	# # TODO: Figure out how to load the DLL on Python 3.8+
	# if: "!(runner.os == 'Windows' && (matrix.python == 3.8 \|\| matrix.python == 3.9 \|\| matrix.python == '3.10' \|\| matrix.python == '3.11' \|\| matrix.python == 'pypy-3.8'))"
	# run: cmake --build build2 --target cpptest

	# # Third build - C++17 mode with unstable ABI
	# - name: Configure (unstable ABI)
	# run: >
	# cmake -S . -B build3
	# -DPYBIND11_WERROR=ON
	# -DDOWNLOAD_CATCH=ON
	# -DDOWNLOAD_EIGEN=ON
	# -DCMAKE_CXX_STANDARD=17
	# -DPYBIND11_INTERNALS_VERSION=10000000
	# ${{ matrix.args }}

	# - name: Build (unstable ABI)
	# run: cmake --build build3 -j 2

	# - name: Python tests (unstable ABI)
	# run: cmake --build build3 --target pytest

	# - name: Interface test
	# run: cmake --build build2 --target test_cmake_build

	# # This makes sure the setup_helpers module can build packages using
	# # setuptools
	# - name: Setuptools helpers test
	# run: \|
	# pip install setuptools
	# pytest tests/extra_setuptools
	# if: "!(matrix.runs-on == 'windows-2022')"

	manylinux:
	name: Manylinux on 🐍 3.13t • GIL
	runs-on: ubuntu-latest
	timeout-minutes: 40
	container: quay.io/pypa/musllinux_1_2_x86_64:latest
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: Prepare venv
	run: python3.13 -m venv .venv

	- name: Install Python deps
	run: .venv/bin/pip install -r tests/requirements.txt

	- name: Configure C++11
	run: >
	cmake -S. -Bbuild
	-DPYBIND11_WERROR=ON
	-DDOWNLOAD_CATCH=ON
	-DDOWNLOAD_EIGEN=ON
	-DPython_ROOT_DIR=.venv

	- name: Build C++11
	run: cmake --build build -j2

	- name: Python tests C++11
	run: cmake --build build --target pytest -j2

	deadsnakes:
	strategy:
	fail-fast: false
	matrix:
	include:
	# TODO: Fails on 3.10, investigate
	# JOB DISABLED (NEEDS WORK): https://github.com/pybind/pybind11/issues/4889
	# - python-version: "3.9"
	# python-debug: true
	# valgrind: true
	- python-version: "3.11"
	python-debug: false
	- python-version: "3.13-dev"
	python-debug: false
	nogil: false
	- python-version: "3.13-dev"
	python-debug: false
	nogil: true

	name: "🐍 ${{ matrix.python-version }}${{ matrix.python-debug && '-dbg' \|\| '' }}${{ matrix.nogil && '-nogil' \|\| '' }} (deadsnakes)${{ matrix.valgrind && ' • Valgrind' \|\| '' }} • x64"
	runs-on: ubuntu-20.04

	steps:
	- uses: actions/checkout@v4

	- name: Setup Python ${{ matrix.python-version }} (deadsnakes)
	uses: deadsnakes/action@v3.1.0
	with:
	python-version: ${{ matrix.python-version }}
	debug: ${{ matrix.python-debug }}
	nogil: ${{ matrix.nogil \|\| 'false' }}

	- name: Update CMake
	uses: jwlawson/actions-setup-cmake@v2.0

	- name: Valgrind cache
	if: matrix.valgrind
	uses: actions/cache@v4
	id: cache-valgrind
	with:
	path: valgrind
	key: 3.16.1 # Valgrind version

	- name: Compile Valgrind
	if: matrix.valgrind && steps.cache-valgrind.outputs.cache-hit != 'true'
	run: \|
	VALGRIND_VERSION=3.16.1
	curl https://sourceware.org/pub/valgrind/valgrind-$VALGRIND_VERSION.tar.bz2 -o - \| tar xj
	mv valgrind-$VALGRIND_VERSION valgrind
	cd valgrind
	./configure
	make -j 2 > /dev/null

	- name: Install Valgrind
	if: matrix.valgrind
	working-directory: valgrind
	run: \|
	sudo make install
	sudo apt-get update
	sudo apt-get install libc6-dbg # Needed by Valgrind

	- name: Prepare env
	run: \|
	python -m pip install -r tests/requirements.txt

	- name: Configure
	run: >
	cmake -S . -B build
	-DCMAKE_BUILD_TYPE=Debug
	-DPYBIND11_WERROR=ON
	-DDOWNLOAD_CATCH=ON
	-DDOWNLOAD_EIGEN=ON
	-DCMAKE_CXX_STANDARD=17

	- name: Build
	run: cmake --build build -j 2

	- name: Python tests
	run: cmake --build build --target pytest

	- name: C++ tests
	run: cmake --build build --target cpptest

	- name: Run Valgrind on Python tests
	if: matrix.valgrind
	run: cmake --build build --target memcheck


	# Testing on clang using the excellent silkeh clang docker images
	# clang:
	# runs-on: ubuntu-latest
	# strategy:
	# fail-fast: false
	# matrix:
	# clang:
	# - 3.6
	# - 3.7
	# - 3.9
	# - 7
	# - 9
	# - dev
	# std:
	# - 11
	# container_suffix:
	# - ""
	# include:
	# - clang: 5
	# std: 14
	# - clang: 10
	# std: 17
	# - clang: 11
	# std: 20
	# - clang: 12
	# std: 20
	# - clang: 13
	# std: 20
	# - clang: 14
	# std: 20
	# - clang: 15
	# std: 20
	# container_suffix: "-bullseye"
	# - clang: 16
	# std: 20
	# container_suffix: "-bullseye"

	# name: "🐍 3 • Clang ${{ matrix.clang }} • C++${{ matrix.std }} • x64"
	# container: "silkeh/clang:${{ matrix.clang }}${{ matrix.container_suffix }}"

	# steps:
	# - uses: actions/checkout@v4

	# - name: Add wget and python3
	# run: apt-get update && apt-get install -y python3-dev python3-numpy python3-pytest libeigen3-dev

	# - name: Configure
	# shell: bash
	# run: >
	# cmake -S . -B build
	# -DPYBIND11_WERROR=ON
	# -DDOWNLOAD_CATCH=ON
	# -DCMAKE_CXX_STANDARD=${{ matrix.std }}
	# -DPYTHON_EXECUTABLE=$(python3 -c "import sys; print(sys.executable)")

	# - name: Build
	# run: cmake --build build -j 2

	# - name: Python tests
	# run: cmake --build build --target pytest

	# - name: C++ tests
	# run: cmake --build build --target cpptest

	# - name: Interface test
	# run: cmake --build build --target test_cmake_build


	# # Testing NVCC; forces sources to behave like .cu files
	# cuda:
	# runs-on: ubuntu-latest
	# name: "🐍 3.10 • CUDA 12.2 • Ubuntu 22.04"
	# container: nvidia/cuda:12.2.0-devel-ubuntu22.04

	# steps:
	# - uses: actions/checkout@v4

	# # tzdata will try to ask for the timezone, so set the DEBIAN_FRONTEND
	# - name: Install 🐍 3
	# run: apt-get update && DEBIAN_FRONTEND="noninteractive" apt-get install -y cmake git python3-dev python3-pytest python3-numpy

	# - name: Configure
	# run: cmake -S . -B build -DPYBIND11_CUDA_TESTS=ON -DPYBIND11_WERROR=ON -DDOWNLOAD_CATCH=ON

	# - name: Build
	# run: cmake --build build -j2 --verbose

	# - name: Python tests
	# run: cmake --build build --target pytest


	# TODO: Internal compiler error - report to NVidia
	# # Testing CentOS 8 + PGI compilers
	# centos-nvhpc8:
	# runs-on: ubuntu-latest
	# name: "🐍 3 • CentOS8 / PGI 20.11 • x64"
	# container: centos:8
	#
	# steps:
	# - uses: actions/checkout@v4
	#
	# - name: Add Python 3 and a few requirements
	# run: yum update -y && yum install -y git python3-devel python3-numpy python3-pytest make environment-modules
	#
	# - name: Install CMake with pip
	# run: \|
	# python3 -m pip install --upgrade pip
	# python3 -m pip install cmake --prefer-binary
	#
	# - name: Install NVidia HPC SDK
	# run: >
	# yum -y install
	# https://developer.download.nvidia.com/hpc-sdk/20.11/nvhpc-20-11-20.11-1.x86_64.rpm
	# https://developer.download.nvidia.com/hpc-sdk/20.11/nvhpc-2020-20.11-1.x86_64.rpm
	#
	# - name: Configure
	# shell: bash
	# run: \|
	# source /etc/profile.d/modules.sh
	# module load /opt/nvidia/hpc_sdk/modulefiles/nvhpc/20.11
	# cmake -S . -B build -DDOWNLOAD_CATCH=ON -DCMAKE_CXX_STANDARD=14 -DPYTHON_EXECUTABLE=$(python3 -c "import sys; print(sys.executable)")
	#
	# - name: Build
	# run: cmake --build build -j 2 --verbose
	#
	# - name: Python tests
	# run: cmake --build build --target pytest
	#
	# - name: C++ tests
	# run: cmake --build build --target cpptest
	#
	# - name: Interface test
	# run: cmake --build build --target test_cmake_build


	# Testing on Ubuntu + NVHPC (previous PGI) compilers, which seems to require more workarounds
	# ubuntu-nvhpc7:
	# runs-on: ubuntu-20.04
	# name: "🐍 3 • NVHPC 23.5 • C++17 • x64"

	# env:
	# # tzdata will try to ask for the timezone, so set the DEBIAN_FRONTEND
	# DEBIAN_FRONTEND: 'noninteractive'
	# steps:
	# - uses: actions/checkout@v4

	# - name: Add NVHPC Repo
	# run: \|
	# echo 'deb [trusted=yes] https://developer.download.nvidia.com/hpc-sdk/ubuntu/amd64 /' \| \
	# sudo tee /etc/apt/sources.list.d/nvhpc.list

	# - name: Install 🐍 3 & NVHPC
	# run: \|
	# sudo apt-get update -y && \
	# sudo apt-get install -y cmake environment-modules git python3-dev python3-pip python3-numpy && \
	# sudo apt-get install -y --no-install-recommends nvhpc-23-5 && \
	# sudo rm -rf /var/lib/apt/lists/*
	# python3 -m pip install --upgrade pip
	# python3 -m pip install --upgrade pytest

	# # On some systems, you many need further workarounds:
	# # https://github.com/pybind/pybind11/pull/2475
	# - name: Configure
	# shell: bash
	# run: \|
	# source /etc/profile.d/modules.sh
	# module load /opt/nvidia/hpc_sdk/modulefiles/nvhpc/23.5
	# cmake -S . -B build -DDOWNLOAD_CATCH=ON \
	# -DCMAKE_CXX_STANDARD=17 \
	# -DPYTHON_EXECUTABLE=$(python3 -c "import sys; print(sys.executable)") \
	# -DCMAKE_CXX_FLAGS="-Wc,--pending_instantiations=0" \
	# -DPYBIND11_TEST_FILTER="test_smart_ptr.cpp"

	# - name: Build
	# run: cmake --build build -j 2 --verbose

	# - name: Python tests
	# run: cmake --build build --target pytest

	# - name: C++ tests
	# run: cmake --build build --target cpptest

	# - name: Interface test
	# run: cmake --build build --target test_cmake_build


	# Testing on GCC using the GCC docker images (only recent images supported)
	# gcc:
	# runs-on: ubuntu-latest
	# strategy:
	# fail-fast: false
	# matrix:
	# include:
	# - { gcc: 7, std: 11 }
	# - { gcc: 7, std: 17 }
	# - { gcc: 8, std: 14 }
	# - { gcc: 8, std: 17 }
	# - { gcc: 10, std: 17 }
	# - { gcc: 11, std: 20 }
	# - { gcc: 12, std: 20 }
	# - { gcc: 13, std: 20 }

	# name: "🐍 3 • GCC ${{ matrix.gcc }} • C++${{ matrix.std }}• x64"
	# container: "gcc:${{ matrix.gcc }}"

	# steps:
	# - uses: actions/checkout@v4

	# - name: Add Python 3
	# run: apt-get update; apt-get install -y python3-dev python3-numpy python3-pytest python3-pip libeigen3-dev

	# - name: Update pip
	# run: python3 -m pip install --upgrade pip

	# - name: Update CMake
	# uses: jwlawson/actions-setup-cmake@v2.0

	# - name: Configure
	# shell: bash
	# run: >
	# cmake -S . -B build
	# -DPYBIND11_WERROR=ON
	# -DDOWNLOAD_CATCH=ON
	# -DCMAKE_CXX_STANDARD=${{ matrix.std }}
	# -DPYTHON_EXECUTABLE=$(python3 -c "import sys; print(sys.executable)")

	# - name: Build
	# run: cmake --build build -j 2

	# - name: Python tests
	# run: cmake --build build --target pytest

	# - name: C++ tests
	# run: cmake --build build --target cpptest

	# - name: Interface test
	# run: cmake --build build --target test_cmake_build

	# - name: Configure - Exercise cmake -DPYBIND11_TEST_OVERRIDE
	# if: matrix.gcc == '12'
	# shell: bash
	# run: >
	# cmake -S . -B build_partial
	# -DPYBIND11_WERROR=ON
	# -DDOWNLOAD_CATCH=ON
	# -DCMAKE_CXX_STANDARD=${{ matrix.std }}
	# -DPYTHON_EXECUTABLE=$(python3 -c "import sys; print(sys.executable)")
	# "-DPYBIND11_TEST_OVERRIDE=test_call_policies.cpp;test_gil_scoped.cpp;test_thread.cpp"

	# - name: Build - Exercise cmake -DPYBIND11_TEST_OVERRIDE
	# if: matrix.gcc == '12'
	# run: cmake --build build_partial -j 2

	# - name: Python tests - Exercise cmake -DPYBIND11_TEST_OVERRIDE
	# if: matrix.gcc == '12'
	# run: cmake --build build_partial --target pytest

	# # Testing on ICC using the oneAPI apt repo
	# icc:
	# runs-on: ubuntu-20.04

	# name: "🐍 3 • ICC latest • x64"

	# steps:
	# - uses: actions/checkout@v4

	# - name: Add apt repo
	# run: \|
	# sudo apt-get update
	# sudo apt-get install -y wget build-essential pkg-config cmake ca-certificates gnupg
	# wget https://apt.repos.intel.com/intel-gpg-keys/GPG-PUB-KEY-INTEL-SW-PRODUCTS-2023.PUB
	# sudo apt-key add GPG-PUB-KEY-INTEL-SW-PRODUCTS-2023.PUB
	# echo "deb https://apt.repos.intel.com/oneapi all main" \| sudo tee /etc/apt/sources.list.d/oneAPI.list

	# - name: Add ICC & Python 3
	# run: sudo apt-get update; sudo apt-get install -y intel-oneapi-compiler-dpcpp-cpp-and-cpp-classic cmake python3-dev python3-numpy python3-pytest python3-pip

	# - name: Update pip
	# run: \|
	# set +e; source /opt/intel/oneapi/setvars.sh; set -e
	# python3 -m pip install --upgrade pip

	# - name: Install dependencies
	# run: \|
	# set +e; source /opt/intel/oneapi/setvars.sh; set -e
	# python3 -m pip install -r tests/requirements.txt

	# - name: Configure C++11
	# run: \|
	# set +e; source /opt/intel/oneapi/setvars.sh; set -e
	# cmake -S . -B build-11 \
	# -DPYBIND11_WERROR=ON \
	# -DDOWNLOAD_CATCH=ON \
	# -DDOWNLOAD_EIGEN=OFF \
	# -DCMAKE_CXX_STANDARD=11 \
	# -DCMAKE_CXX_COMPILER=$(which icpc) \
	# -DPYTHON_EXECUTABLE=$(python3 -c "import sys; print(sys.executable)")

	# - name: Build C++11
	# run: \|
	# set +e; source /opt/intel/oneapi/setvars.sh; set -e
	# cmake --build build-11 -j 2 -v

	# - name: Python tests C++11
	# run: \|
	# set +e; source /opt/intel/oneapi/setvars.sh; set -e
	# sudo service apport stop
	# cmake --build build-11 --target check

	# - name: C++ tests C++11
	# run: \|
	# set +e; source /opt/intel/oneapi/setvars.sh; set -e
	# cmake --build build-11 --target cpptest

	# - name: Interface test C++11
	# run: \|
	# set +e; source /opt/intel/oneapi/setvars.sh; set -e
	# cmake --build build-11 --target test_cmake_build

	# - name: Configure C++17
	# run: \|
	# set +e; source /opt/intel/oneapi/setvars.sh; set -e
	# cmake -S . -B build-17 \
	# -DPYBIND11_WERROR=ON \
	# -DDOWNLOAD_CATCH=ON \
	# -DDOWNLOAD_EIGEN=OFF \
	# -DCMAKE_CXX_STANDARD=17 \
	# -DCMAKE_CXX_COMPILER=$(which icpc) \
	# -DPYTHON_EXECUTABLE=$(python3 -c "import sys; print(sys.executable)")

	# - name: Build C++17
	# run: \|
	# set +e; source /opt/intel/oneapi/setvars.sh; set -e
	# cmake --build build-17 -j 2 -v

	# - name: Python tests C++17
	# run: \|
	# set +e; source /opt/intel/oneapi/setvars.sh; set -e
	# sudo service apport stop
	# cmake --build build-17 --target check

	# - name: C++ tests C++17
	# run: \|
	# set +e; source /opt/intel/oneapi/setvars.sh; set -e
	# cmake --build build-17 --target cpptest

	# - name: Interface test C++17
	# run: \|
	# set +e; source /opt/intel/oneapi/setvars.sh; set -e
	# cmake --build build-17 --target test_cmake_build


	# # Testing on CentOS (manylinux uses a centos base, and this is an easy way
	# # to get GCC 4.8, which is the manylinux1 compiler).
	# centos:
	# runs-on: ubuntu-latest
	# strategy:
	# fail-fast: false
	# matrix:
	# container:
	# - "centos:7" # GCC 4.8
	# - "almalinux:8"
	# - "almalinux:9"

	# name: "🐍 3 • ${{ matrix.container }} • x64"
	# container: "${{ matrix.container }}"

	# steps:
	# - name: Latest actions/checkout
	# uses: actions/checkout@v4
	# if: matrix.container != 'centos:7'

	# - name: Pin actions/checkout as required for centos:7
	# uses: actions/checkout@v3
	# if: matrix.container == 'centos:7'

	# - name: Add Python 3 (RHEL 7)
	# if: matrix.container == 'centos:7'
	# run: yum update -y && yum install -y python3-devel gcc-c++ make git

	# - name: Add Python 3 (RHEL 8+)
	# if: matrix.container != 'centos:7'
	# run: dnf update -y && dnf install -y python3-devel gcc-c++ make git

	# - name: Update pip
	# run: python3 -m pip install --upgrade pip

	# - name: Install dependencies
	# run: \|
	# python3 -m pip install cmake -r tests/requirements.txt

	# - name: Ensure NumPy 2 is used (required Python >= 3.9)
	# if: matrix.container == 'almalinux:9'
	# run: \|
	# python3 -m pip install 'numpy>=2.0.0b1' 'scipy>=1.13.0rc1'

	# - name: Configure
	# shell: bash
	# run: >
	# cmake -S . -B build
	# -DCMAKE_BUILD_TYPE=MinSizeRel
	# -DPYBIND11_WERROR=ON
	# -DDOWNLOAD_CATCH=ON
	# -DDOWNLOAD_EIGEN=ON
	# -DCMAKE_CXX_STANDARD=11
	# -DPYTHON_EXECUTABLE=$(python3 -c "import sys; print(sys.executable)")

	# - name: Build
	# run: cmake --build build -j 2

	# - name: Python tests
	# run: cmake --build build --target pytest

	# - name: C++ tests
	# run: cmake --build build --target cpptest

	# - name: Interface test
	# run: cmake --build build --target test_cmake_build


	# # This tests an "install" with the CMake tools
	# install-classic:
	# name: "🐍 3.7 • Debian • x86 • Install"
	# runs-on: ubuntu-latest
	# container: i386/debian:buster

	# steps:
	# - uses: actions/checkout@v1 # v1 is required to run inside docker

	# - name: Install requirements
	# run: \|
	# apt-get update
	# apt-get install -y git make cmake g++ libeigen3-dev python3-dev python3-pip
	# pip3 install "pytest==6.*"

	# - name: Configure for install
	# run: >
	# cmake .
	# -DPYBIND11_INSTALL=1 -DPYBIND11_TEST=0
	# -DPYTHON_EXECUTABLE=$(python3 -c "import sys; print(sys.executable)")

	# - name: Make and install
	# run: make install

	# - name: Copy tests to new directory
	# run: cp -a tests /pybind11-tests

	# - name: Make a new test directory
	# run: mkdir /build-tests

	# - name: Configure tests
	# run: >
	# cmake ../pybind11-tests
	# -DDOWNLOAD_CATCH=ON
	# -DPYBIND11_WERROR=ON
	# -DPYTHON_EXECUTABLE=$(python3 -c "import sys; print(sys.executable)")
	# working-directory: /build-tests

	# - name: Python tests
	# run: make pytest -j 2
	# working-directory: /build-tests


	# # This verifies that the documentation is not horribly broken, and does a
	# # basic validation check on the SDist.
	# doxygen:
	# name: "Documentation build test"
	# runs-on: ubuntu-latest

	# steps:
	# - uses: actions/checkout@v4

	# - uses: actions/setup-python@v5
	# with:
	# python-version: "3.x"

	# - name: Install Doxygen
	# run: sudo apt-get install -y doxygen librsvg2-bin # Changed to rsvg-convert in 20.04

	# - name: Build docs
	# run: pipx run nox -s docs

	# - name: Make SDist
	# run: pipx run nox -s build -- --sdist

	# - run: git status --ignored

	# - name: Check local include dir
	# run: >
	# ls pybind11;
	# python3 -c "import pybind11, pathlib; assert (a := pybind11.get_include()) == (b := str(pathlib.Path('include').resolve())), f'{a} != {b}'"

	# - name: Compare Dists (headers only)
	# working-directory: include
	# run: \|
	# python3 -m pip install --user -U ../dist/*.tar.gz
	# installed=$(python3 -c "import pybind11; print(pybind11.get_include() + '/pybind11')")
	# diff -rq $installed ./pybind11

	# win32:
	# strategy:
	# fail-fast: false
	# matrix:
	# python:
	# - 3.6
	# - 3.7
	# - 3.8
	# - 3.9

	# include:
	# - python: 3.9
	# args: -DCMAKE_CXX_STANDARD=20
	# - python: 3.8
	# args: -DCMAKE_CXX_STANDARD=17
	# - python: 3.7
	# args: -DCMAKE_CXX_STANDARD=14


	# name: "🐍 ${{ matrix.python }} • MSVC 2019 • x86 ${{ matrix.args }}"
	# runs-on: windows-2019

	# steps:
	# - uses: actions/checkout@v4

	# - name: Setup Python ${{ matrix.python }}
	# uses: actions/setup-python@v5
	# with:
	# python-version: ${{ matrix.python }}
	# architecture: x86

	# - name: Update CMake
	# uses: jwlawson/actions-setup-cmake@v2.0

	# - name: Prepare MSVC
	# uses: ilammy/msvc-dev-cmd@v1.13.0
	# with:
	# arch: x86

	# - name: Prepare env
	# run: \|
	# python -m pip install -r tests/requirements.txt

	# # First build - C++11 mode and inplace
	# - name: Configure ${{ matrix.args }}
	# run: >
	# cmake -S . -B build
	# -G "Visual Studio 16 2019" -A Win32
	# -DPYBIND11_WERROR=ON
	# -DDOWNLOAD_CATCH=ON
	# -DDOWNLOAD_EIGEN=ON
	# ${{ matrix.args }}
	# - name: Build C++11
	# run: cmake --build build -j 2

	# - name: Python tests
	# run: cmake --build build -t pytest

	# win32-debug:
	# strategy:
	# fail-fast: false
	# matrix:
	# python:
	# - 3.8
	# - 3.9

	# include:
	# - python: 3.9
	# args: -DCMAKE_CXX_STANDARD=20
	# - python: 3.8
	# args: -DCMAKE_CXX_STANDARD=17

	# name: "🐍 ${{ matrix.python }} • MSVC 2019 (Debug) • x86 ${{ matrix.args }}"
	# runs-on: windows-2019

	# steps:
	# - uses: actions/checkout@v4

	# - name: Setup Python ${{ matrix.python }}
	# uses: actions/setup-python@v5
	# with:
	# python-version: ${{ matrix.python }}
	# architecture: x86

	# - name: Update CMake
	# uses: jwlawson/actions-setup-cmake@v2.0

	# - name: Prepare MSVC
	# uses: ilammy/msvc-dev-cmd@v1.13.0
	# with:
	# arch: x86

	# - name: Prepare env
	# run: \|
	# python -m pip install -r tests/requirements.txt

	# # First build - C++11 mode and inplace
	# - name: Configure ${{ matrix.args }}
	# run: >
	# cmake -S . -B build
	# -G "Visual Studio 16 2019" -A Win32
	# -DCMAKE_BUILD_TYPE=Debug
	# -DPYBIND11_WERROR=ON
	# -DDOWNLOAD_CATCH=ON
	# -DDOWNLOAD_EIGEN=ON
	# ${{ matrix.args }}
	# - name: Build C++11
	# run: cmake --build build --config Debug -j 2

	# - name: Python tests
	# run: cmake --build build --config Debug -t pytest


	# windows-2022:
	# strategy:
	# fail-fast: false
	# matrix:
	# python:
	# - 3.9

	# name: "🐍 ${{ matrix.python }} • MSVC 2022 C++20 • x64"
	# runs-on: windows-2022

	# steps:
	# - uses: actions/checkout@v4

	# - name: Setup Python ${{ matrix.python }}
	# uses: actions/setup-python@v5
	# with:
	# python-version: ${{ matrix.python }}

	# - name: Prepare env
	# # Ensure use of NumPy 2 (via NumPy nightlies but can be changed soon)
	# run: \|
	# python3 -m pip install -r tests/requirements.txt
	# python3 -m pip install 'numpy>=2.0.0b1' 'scipy>=1.13.0rc1'

	# - name: Update CMake
	# uses: jwlawson/actions-setup-cmake@v2.0

	# - name: Configure C++20
	# run: >
	# cmake -S . -B build
	# -DPYBIND11_WERROR=ON
	# -DDOWNLOAD_CATCH=ON
	# -DDOWNLOAD_EIGEN=ON
	# -DCMAKE_CXX_STANDARD=20

	# - name: Build C++20
	# run: cmake --build build -j 2

	# - name: Python tests
	# run: cmake --build build --target pytest

	# - name: C++20 tests
	# run: cmake --build build --target cpptest -j 2

	# - name: Interface test C++20
	# run: cmake --build build --target test_cmake_build

	# - name: Configure C++20 - Exercise cmake -DPYBIND11_TEST_OVERRIDE
	# run: >
	# cmake -S . -B build_partial
	# -DPYBIND11_WERROR=ON
	# -DDOWNLOAD_CATCH=ON
	# -DDOWNLOAD_EIGEN=ON
	# -DCMAKE_CXX_STANDARD=20
	# "-DPYBIND11_TEST_OVERRIDE=test_call_policies.cpp;test_gil_scoped.cpp;test_thread.cpp"

	# - name: Build C++20 - Exercise cmake -DPYBIND11_TEST_OVERRIDE
	# run: cmake --build build_partial -j 2

	# - name: Python tests - Exercise cmake -DPYBIND11_TEST_OVERRIDE
	# run: cmake --build build_partial --target pytest

	# mingw:
	# name: "🐍 3 • windows-latest • ${{ matrix.sys }}"
	# runs-on: windows-latest
	# defaults:
	# run:
	# shell: msys2 {0}
	# strategy:
	# fail-fast: false
	# matrix:
	# include:
	# - { sys: mingw64, env: x86_64 }
	# - { sys: mingw32, env: i686 }
	# steps:
	# - uses: msys2/setup-msys2@v2
	# with:
	# msystem: ${{matrix.sys}}
	# install: >-
	# git
	# mingw-w64-${{matrix.env}}-gcc
	# mingw-w64-${{matrix.env}}-python-pip
	# mingw-w64-${{matrix.env}}-python-numpy
	# mingw-w64-${{matrix.env}}-cmake
	# mingw-w64-${{matrix.env}}-make
	# mingw-w64-${{matrix.env}}-python-pytest
	# mingw-w64-${{matrix.env}}-boost
	# mingw-w64-${{matrix.env}}-catch

	# - uses: msys2/setup-msys2@v2
	# if: matrix.sys == 'mingw64'
	# with:
	# msystem: ${{matrix.sys}}
	# install: >-
	# git
	# mingw-w64-${{matrix.env}}-python-scipy
	# mingw-w64-${{matrix.env}}-eigen3

	# - uses: actions/checkout@v4

	# - name: Configure C++11
	# # LTO leads to many undefined reference like
	# # `pybind11::detail::function_call::function_call(pybind11::detail::function_call&&)
	# run: >-
	# cmake -G "MinGW Makefiles" -DCMAKE_CXX_STANDARD=11 -DPYBIND11_WERROR=ON -DDOWNLOAD_CATCH=ON
	# -DPYTHON_EXECUTABLE=$(python -c "import sys; print(sys.executable)")
	# -S . -B build

	# - name: Build C++11
	# run: cmake --build build -j 2

	# - name: Python tests C++11
	# run: cmake --build build --target pytest -j 2

	# - name: C++11 tests
	# run: PYTHONHOME=/${{matrix.sys}} PYTHONPATH=/${{matrix.sys}} cmake --build build --target cpptest -j 2

	# - name: Interface test C++11
	# run: PYTHONHOME=/${{matrix.sys}} PYTHONPATH=/${{matrix.sys}} cmake --build build --target test_cmake_build

	# - name: Clean directory
	# run: git clean -fdx

	# - name: Configure C++14
	# run: >-
	# cmake -G "MinGW Makefiles" -DCMAKE_CXX_STANDARD=14 -DPYBIND11_WERROR=ON -DDOWNLOAD_CATCH=ON
	# -DPYTHON_EXECUTABLE=$(python -c "import sys; print(sys.executable)")
	# -S . -B build2

	# - name: Build C++14
	# run: cmake --build build2 -j 2

	# - name: Python tests C++14
	# run: cmake --build build2 --target pytest -j 2

	# - name: C++14 tests
	# run: PYTHONHOME=/${{matrix.sys}} PYTHONPATH=/${{matrix.sys}} cmake --build build2 --target cpptest -j 2

	# - name: Interface test C++14
	# run: PYTHONHOME=/${{matrix.sys}} PYTHONPATH=/${{matrix.sys}} cmake --build build2 --target test_cmake_build

	# - name: Clean directory
	# run: git clean -fdx

	# - name: Configure C++17
	# run: >-
	# cmake -G "MinGW Makefiles" -DCMAKE_CXX_STANDARD=17 -DPYBIND11_WERROR=ON -DDOWNLOAD_CATCH=ON
	# -DPYTHON_EXECUTABLE=$(python -c "import sys; print(sys.executable)")
	# -S . -B build3

	# - name: Build C++17
	# run: cmake --build build3 -j 2

	# - name: Python tests C++17
	# run: cmake --build build3 --target pytest -j 2

	# - name: C++17 tests
	# run: PYTHONHOME=/${{matrix.sys}} PYTHONPATH=/${{matrix.sys}} cmake --build build3 --target cpptest -j 2

	# - name: Interface test C++17
	# run: PYTHONHOME=/${{matrix.sys}} PYTHONPATH=/${{matrix.sys}} cmake --build build3 --target test_cmake_build

	# windows_clang:

	# strategy:
	# matrix:
	# os: [windows-latest]
	# python: ['3.10']

	# runs-on: "${{ matrix.os }}"

	# name: "🐍 ${{ matrix.python }} • ${{ matrix.os }} • clang-latest"

	# steps:
	# - name: Show env
	# run: env

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

	# - name: Set up Clang
	# uses: egor-tensin/setup-clang@v1

	# - name: Setup Python ${{ matrix.python }}
	# uses: actions/setup-python@v5
	# with:
	# python-version: ${{ matrix.python }}

	# - name: Update CMake
	# uses: jwlawson/actions-setup-cmake@v2.0

	# - name: Install ninja-build tool
	# uses: seanmiddleditch/gha-setup-ninja@v4

	# - name: Run pip installs
	# run: \|
	# python -m pip install --upgrade pip
	# python -m pip install -r tests/requirements.txt

	# - name: Show Clang++ version
	# run: clang++ --version

	# - name: Show CMake version
	# run: cmake --version

	# # TODO: WERROR=ON
	# - name: Configure Clang
	# run: >
	# cmake -G Ninja -S . -B .
	# -DPYBIND11_WERROR=OFF
	# -DPYBIND11_SIMPLE_GIL_MANAGEMENT=OFF
	# -DDOWNLOAD_CATCH=ON
	# -DDOWNLOAD_EIGEN=ON
	# -DCMAKE_CXX_COMPILER=clang++
	# -DCMAKE_CXX_STANDARD=17

	# - name: Build
	# run: cmake --build . -j 2

	# - name: Python tests
	# run: cmake --build . --target pytest -j 2

	# - name: C++ tests
	# run: cmake --build . --target cpptest -j 2

	# - name: Interface test
	# run: cmake --build . --target test_cmake_build -j 2

	# - name: Clean directory
	# run: git clean -fdx

	# macos_brew_install_llvm:
	# name: "macos-13 • brew install llvm"
	# runs-on: macos-13

	# env:
	# # https://apple.stackexchange.com/questions/227026/how-to-install-recent-clang-with-homebrew
	# LDFLAGS: '-L/usr/local/opt/llvm/lib -Wl,-rpath,/usr/local/opt/llvm/lib'

	# steps:
	# - name: Update PATH
	# run: echo "/usr/local/opt/llvm/bin" >> $GITHUB_PATH

	# - name: Show env
	# run: env

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

	# - name: Show Clang++ version before brew install llvm
	# run: clang++ --version

	# - name: brew install llvm
	# run: brew install llvm

	# - name: Show Clang++ version after brew install llvm
	# run: clang++ --version

	# - name: Update CMake
	# uses: jwlawson/actions-setup-cmake@v2.0

	# - name: Run pip installs
	# run: \|
	# python3 -m pip install --upgrade pip
	# python3 -m pip install -r tests/requirements.txt
	# python3 -m pip install numpy
	# python3 -m pip install scipy

	# - name: Show CMake version
	# run: cmake --version

	# - name: CMake Configure
	# run: >
	# cmake -S . -B .
	# -DPYBIND11_WERROR=ON
	# -DPYBIND11_SIMPLE_GIL_MANAGEMENT=OFF
	# -DDOWNLOAD_CATCH=ON
	# -DDOWNLOAD_EIGEN=ON
	# -DCMAKE_CXX_COMPILER=clang++
	# -DCMAKE_CXX_STANDARD=17
	# -DPYTHON_EXECUTABLE=$(python3 -c "import sys; print(sys.executable)")

	# - name: Build
	# run: cmake --build . -j 2

	# - name: Python tests
	# run: cmake --build . --target pytest -j 2

	# - name: C++ tests
	# run: cmake --build . --target cpptest -j 2

	# - name: Interface test
	# run: cmake --build . --target test_cmake_build -j 2

	# - name: CMake Configure - Exercise cmake -DPYBIND11_TEST_OVERRIDE
	# run: >
	# cmake -S . -B build_partial
	# -DPYBIND11_WERROR=ON
	# -DPYBIND11_SIMPLE_GIL_MANAGEMENT=OFF
	# -DDOWNLOAD_CATCH=ON
	# -DDOWNLOAD_EIGEN=ON
	# -DCMAKE_CXX_COMPILER=clang++
	# -DCMAKE_CXX_STANDARD=17
	# -DPYTHON_EXECUTABLE=$(python3 -c "import sys; print(sys.executable)")
	# "-DPYBIND11_TEST_OVERRIDE=test_call_policies.cpp;test_gil_scoped.cpp;test_thread.cpp"

	# - name: Build - Exercise cmake -DPYBIND11_TEST_OVERRIDE
	# run: cmake --build build_partial -j 2

	# - name: Python tests - Exercise cmake -DPYBIND11_TEST_OVERRIDE
	# run: cmake --build build_partial --target pytest -j 2

	# - name: Clean directory
	# run: git clean -fdx

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