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120 changes: 120 additions & 0 deletions .github/workflows/build-qiskit.yml
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# SPDX-FileCopyrightText: 2026 The RISE Project
# SPDX-License-Identifier: MIT
---
# This workflow is based on the `wheels-linux-s390x` job of
# https://github.com/Qiskit/qiskit/blob/2.5.2/.github/workflows/wheels-build.yml
name: Build qiskit wheels (riscv64)

on:
workflow_dispatch:
inputs:
version:
description: 'Version glob to (re)build; empty builds every version of docs/packages/qiskit.yaml not released yet'
required: false
default: ''
pull_request:
branches: [main]
paths:
- '.github/workflows/build-qiskit.yml'
- 'docs/packages/qiskit.yaml'
push:
branches: [main]
paths:
- '.github/workflows/build-qiskit.yml'
- 'docs/packages/qiskit.yaml'

concurrency:
group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
cancel-in-progress: true

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

env:
MANYLINUX_RISCV64_IMAGE: quay.io/pypa/manylinux_2_39_riscv64

jobs:
setup:
uses: $/.github/workflows/_setup.yml
with:
package: qiskit
version: ${{ inputs.version }}

build_wheels:
needs: [setup]
if: needs.setup.outputs.versions != '[]'
name: Build qiskit ${{ matrix.version }} cp310-abi3-manylinux_riscv64
runs-on: ubuntu-24.04-riscv
timeout-minutes: 1440
strategy:
fail-fast: false
matrix:
version: ${{ fromJSON(needs.setup.outputs.versions) }}

env:
QISKIT_VERSION: ${{ matrix.version }}

steps:
- name: Checkout qiskit ${{ env.QISKIT_VERSION }}
uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
with:
repository: Qiskit/qiskit
ref: ${{ env.QISKIT_VERSION }}
persist-credentials: false

- name: Build wheels
uses: pypa/cibuildwheel@1828c10ab37f080699c7b81cea34097c684a7074 # v4.2.0
with:
output-dir: wheelhouse/
env:
# setup.py's py_limited_api="cp310" makes cp310 both the wheel's tag and
# the interpreter it must be built on; upstream's extra cp311-cp315
# entries only re-run the whole stestr suite, hours of it on riscv64.
# musllinux is dropped: rustup.rs ships no riscv64 musl toolchain.
CIBW_BUILD: cp310-manylinux_riscv64
CIBW_MANYLINUX_RISCV64_IMAGE: ${{ env.MANYLINUX_RISCV64_IMAGE }}
# Replaces (not merges into) upstream's own [tool.cibuildwheel.linux]
# environment table, so its four variables are repeated here alongside
# our registry.
CIBW_ENVIRONMENT_LINUX: >-
PATH="$PATH:$HOME/.cargo/bin"
CARGO_NET_GIT_FETCH_WITH_CLI="true"
RUSTUP_TOOLCHAIN="stable"
QISKIT_BUILD_WITH_MIMALLOC=1
PIP_EXTRA_INDEX_URL=https://pypi.riseproject.dev/simple/
# Upstream's own repair-wheel-command also runs abi3audit via pipx,
# which the riscv64 image doesn't carry; cibuildwheel's own default
# audit-command already abi3audits every abi3-tagged wheel natively
# after this repair step runs, so drop the pipx layer here.
CIBW_REPAIR_WHEEL_COMMAND_LINUX: auditwheel repair -w {dest_dir} {wheel}

- name: Check wheel contains the compiled extension
run: |
set -eu
for whl in wheelhouse/*.whl; do
echo "$whl"
unzip -l "$whl" | grep '\.so$'
done

- uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
with:
name: qiskit-${{ env.QISKIT_VERSION }}-cp310-abi3-manylinux_riscv64
path: wheelhouse/*.whl
if-no-files-found: error

publish:
name: Publish qiskit ${{ matrix.version }}
needs: [setup, build_wheels]
if: needs.setup.outputs.versions != '[]'
strategy:
fail-fast: false
matrix:
version: ${{ fromJSON(needs.setup.outputs.versions) }}
permissions:
contents: write
pull-requests: write
uses: $/.github/workflows/_publish-wheel.yml
secrets:
app-private-key: ${{ secrets.RISEPROJECT_APP_PRIVATE_KEY }}
with:
artifact-pattern: qiskit-${{ matrix.version }}-*-manylinux_riscv64
5 changes: 5 additions & 0 deletions docs/packages/qiskit.yaml
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package-name: qiskit
source-code: https://github.com/Qiskit/qiskit
license: Apache-2.0
versions:
- version: 2.5.2
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