# Workflow to build and test wheels, similarly to numpy/numpy-release.

# To work on these jobs in a fork, comment out:

#

# if: github.repository == 'numpy/numpy'

name: Wheel builder

on:

pull_request:

branches:

- main

- maintenance/**

paths-ignore:

- '**.pyi'

- '**.md'

- '**.rst'

- 'tools/stubtest/**'

workflow_dispatch:

concurrency:

group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}

cancel-in-progress: true

permissions:

contents: read # to fetch code (actions/checkout)

jobs:

build_wheels:

name: Build wheel ${{ matrix.python }}-${{ matrix.buildplat[1] }}-${{ matrix.buildplat[2] }}

# To enable this job on a fork, comment out:

if: github.repository == 'numpy/numpy'

runs-on: ${{ matrix.buildplat[0] }}

strategy:

fail-fast: false

matrix:

# Github Actions doesn't support pairing matrix values together, let's improvise

# https://github.com/github/feedback/discussions/7835#discussioncomment-1769026

buildplat:

- [ubuntu-22.04, manylinux_x86_64, ""]

- [ubuntu-22.04, musllinux_x86_64, ""]

- [ubuntu-22.04-arm, manylinux_aarch64, ""]

- [ubuntu-22.04-arm, musllinux_aarch64, ""]

- [macos-15-intel, macosx_x86_64, openblas]

- [macos-14, macosx_arm64, openblas]

- [windows-2022, win_amd64, ""]

- [windows-11-arm, win_arm64, ""]

python: ["cp312"]

env:

IS_32_BIT: ${{ matrix.buildplat[1] == 'win32' }} # used in cibw_test_command.sh

steps:

- name: Checkout numpy

uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2

with:

submodules: true

persist-credentials: false

- name: Setup MSVC (32-bit)

if: ${{ matrix.buildplat[1] == 'win32' }}

uses: bus1/cabuild/action/msdevshell@e22aba57d6e74891d059d66501b6b5aed8123c4d # v1

with:

architecture: 'x86'

- name: win_arm64 - set environment variables

if: ${{ matrix.buildplat[1] == 'win_arm64' }}

run: |

echo "C:\Program Files\LLVM\bin" >> $env:GIHUB_PATH

echo "CC=clang-cl" >> $env:GITHUB_ENV

echo "CXX=clang-cl" >> $env:GITHUB_ENV

echo "FC=flang" >> $env:GITHUB_ENV

- name: pkg-config-for-win

if: runner.os == 'windows'

run: |

$CIBW = "${{ github.workspace }}/.openblas"

# pkgconfig needs a complete path, and not just "./openblas since the

# build is run in a tmp dir (?)

# It seems somewhere in the env passing, `\` is not

# passed through, so convert it to '/'

$CIBW = $CIBW.replace("\","/")

echo "CIBW_ENVIRONMENT_WINDOWS=PKG_CONFIG_PATH=$CIBW" >> $env:GITHUB_ENV

- name: Setup macOS

if: matrix.buildplat[0] == 'macos-15-intel' || matrix.buildplat[0] == 'macos-14'

run: |

# Needed due to https://github.com/actions/runner-images/issues/3371

# Supported versions: https://github.com/actions/runner-images/blob/main/images/macos/macos-14-arm64-Readme.md

echo "FC=gfortran-13" >> "$GITHUB_ENV"

echo "F77=gfortran-13" >> "$GITHUB_ENV"

echo "F90=gfortran-13" >> "$GITHUB_ENV"

if [[ ${{ matrix.buildplat[2] }} == 'accelerate' ]]; then

# macosx_arm64 and macosx_x86_64 with accelerate

# only target Sonoma onwards

CIBW="MACOSX_DEPLOYMENT_TARGET=14.0 INSTALL_OPENBLAS=false RUNNER_OS=macOS"

echo "CIBW_ENVIRONMENT_MACOS=$CIBW" >> "$GITHUB_ENV"

else

# macosx_x86_64 with OpenBLAS

# if INSTALL_OPENBLAS isn't specified then scipy-openblas is automatically installed

CIBW="RUNNER_OS=macOS"

PKG_CONFIG_PATH="$PWD/.openblas"

DYLD="$DYLD_LIBRARY_PATH:/$PWD/.openblas/lib"

echo "CIBW_ENVIRONMENT_MACOS=$CIBW PKG_CONFIG_PATH=$PKG_CONFIG_PATH DYLD_LIBRARY_PATH=$DYLD" >> "$GITHUB_ENV"

fi

- name: Build wheels

uses: pypa/cibuildwheel@8d2b08b68458a16aeb24b64e68a09ab1c8e82084 # v3.4.1

env:

CIBW_BUILD: ${{ matrix.python }}-${{ matrix.buildplat[1] }}

- uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1

with:

name: ${{ matrix.python }}-${{ matrix.buildplat[1] }}-${{ matrix.buildplat[2] }}

path: ./wheelhouse/*.whl