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135 changes: 135 additions & 0 deletions .github/workflows/build-cmeel-zlib.yml
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# SPDX-FileCopyrightText: 2026 The RISE Project
# SPDX-License-Identifier: MIT
---
# This workflow is based on: https://github.com/cmake-wheel/cmeel-zlib/blob/v1.3.2.c0/.github/workflows/release.yml
name: Build cmeel-zlib wheels (riscv64)

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

build_wheels:
needs: [setup]
if: needs.setup.outputs.versions != '[]'
name: Build cmeel-zlib ${{ matrix.version }} manylinux_riscv64
runs-on: ubuntu-24.04-riscv
timeout-minutes: 120
strategy:
fail-fast: false
matrix:
version: ${{ fromJSON(needs.setup.outputs.versions) }}

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

steps:
# The wheel holds no Python extension ([tool.cmeel] has-sitelib = false), so one
# py3-none-manylinux_riscv64 wheel covers every interpreter.
- name: Checkout cmeel-zlib v${{ env.CMEEL_ZLIB_VERSION }}.c0
uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
with:
repository: cmake-wheel/cmeel-zlib
ref: v${{ env.CMEEL_ZLIB_VERSION }}.c0
submodules: true
persist-credentials: false

- name: Build wheels
uses: pypa/cibuildwheel@1828c10ab37f080699c7b81cea34097c684a7074 # v4.2.0
with:
output-dir: wheelhouse/
only: cp312-manylinux_riscv64
env:
CIBW_MANYLINUX_RISCV64_IMAGE: ${{ env.MANYLINUX_RISCV64_IMAGE }}
CIBW_ENVIRONMENT: CMEEL_LOG_LEVEL=DEBUG
# cmeel installs into a shared prefix with an $ORIGIN RPATH it sets itself.
CIBW_REPAIR_WHEEL_COMMAND: ""

- name: Check wheel contents
run: |
python3 - wheelhouse/*.whl <<'EOF'
import sys, zipfile
names = zipfile.ZipFile(sys.argv[1]).namelist()
assert "cmeel.prefix/lib64/libz.so.1.3.2" in names, names
assert "cmeel.prefix/include/zlib.h" in names, names
EOF

- name: Smoke-test the built library
run: |
sudo apt-get update -qq
sudo apt-get install -y -qq --no-install-recommends python3-venv
python3 -m venv .venv
. .venv/bin/activate
# gotcha 234: stock Ubuntu 24.04 apt pip (24.0) has zero manylinux_*_riscv64
# tags, so it rejects the riscv64 wheel outright without upgrading first.
pip install -q --upgrade pip
pip install -q wheelhouse/*.whl
python3 -c "
import ctypes, pathlib, sysconfig
lib = pathlib.Path(sysconfig.get_paths()['purelib']) / 'cmeel.prefix/lib64/libz.so'
z = ctypes.CDLL(str(lib))
z.zlibVersion.restype = ctypes.c_char_p
assert z.zlibVersion() == b'1.3.2', z.zlibVersion()
raw = b'riscv64 ' * 4096
buf = ctypes.create_string_buffer(len(raw) * 2)
size = ctypes.c_ulong(len(buf))
assert z.compress2(buf, ctypes.byref(size), raw, len(raw), 9) == 0
out = ctypes.create_string_buffer(len(raw))
outsize = ctypes.c_ulong(len(out))
assert z.uncompress(out, ctypes.byref(outsize), buf, size) == 0
assert out.raw[:outsize.value] == raw
print(lib, z.zlibVersion(), size.value)
"

- uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
with:
name: cmeel-zlib-${{ env.CMEEL_ZLIB_VERSION }}-py3-none-manylinux_riscv64
path: wheelhouse/*.whl
if-no-files-found: error

publish:
name: Publish cmeel-zlib ${{ 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: ${{ secrets.RISEPROJECT_APP_PRIVATE_KEY }}
with:
artifact-pattern: cmeel-zlib-${{ matrix.version }}-py3-none-manylinux_riscv64
5 changes: 5 additions & 0 deletions docs/packages/cmeel-zlib.yaml
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package-name: cmeel-zlib
source-code: https://github.com/cmake-wheel/cmeel-zlib.git
license: Zlib
versions:
- version: 1.3.2
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