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.github/workflows/build-cargo-zigbuild.yml at 7ff6e45

	# SPDX-FileCopyrightText: 2026 The RISE Project
	# SPDX-License-Identifier: MIT
	---
	# This workflow is based on the `linux` job of
	# https://github.com/rust-cross/cargo-zigbuild/blob/v0.23.4/.github/workflows/pypi.yml
	# and the Linux steps of the `test` job of
	# https://github.com/rust-cross/cargo-zigbuild/blob/v0.23.4/.github/workflows/CI.yml
	name: Build cargo-zigbuild wheels (riscv64)

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

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

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

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

	build_wheel:
	needs: [setup]
	if: needs.setup.outputs.versions != '[]'
	strategy:
	fail-fast: false
	matrix:
	version: ${{ fromJSON(needs.setup.outputs.versions) }}
	name: Build cargo-zigbuild ${{ matrix.version }} manylinux_riscv64
	runs-on: ubuntu-24.04-riscv
	timeout-minutes: 360

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

	steps:
	- name: Checkout cargo-zigbuild v${{ env.CARGO_ZIGBUILD_VERSION }}
	uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
	with:
	repository: rust-cross/cargo-zigbuild
	ref: v${{ env.CARGO_ZIGBUILD_VERSION }}
	persist-credentials: false

	# Upstream builds static *-unknown-linux-musl binaries in rust-musl-cross
	# images; rustup ships no riscv64 musl host toolchain, so build glibc.
	- name: Build wheel
	uses: PyO3/maturin-action@e83996d129638aa358a18fbd1dfb82f0b0fb5d3b # v1.51.0
	with:
	command: build
	target: riscv64gc-unknown-linux-gnu
	args: --release -o dist --strip
	manylinux: '2_39'
	before-script-linux: git config --global --add safe.directory "*"

	- uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
	with:
	name: cargo-zigbuild-${{ env.CARGO_ZIGBUILD_VERSION }}-manylinux_riscv64
	path: dist/*.whl
	if-no-files-found: error

	test_wheel:
	name: Test cargo-zigbuild ${{ matrix.version }} on Python ${{ matrix.python-version }}
	needs: [setup, build_wheel]
	if: needs.setup.outputs.versions != '[]'
	runs-on: ubuntu-24.04-riscv
	timeout-minutes: 120
	env:
	CARGO_ZIGBUILD_VERSION: ${{ matrix.version }}
	UV_PYTHON_PREFERENCE: only-managed
	RUST_BACKTRACE: "1"
	strategy:
	fail-fast: false
	matrix:
	version: ${{ fromJSON(needs.setup.outputs.versions) }}
	python-version: ['3.12', '3.13', '3.14', '3.14t']

	steps:
	- name: Checkout cargo-zigbuild v${{ env.CARGO_ZIGBUILD_VERSION }}
	uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
	with:
	repository: rust-cross/cargo-zigbuild
	ref: v${{ env.CARGO_ZIGBUILD_VERSION }}
	persist-credentials: false

	- name: Download wheel
	uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
	with:
	name: cargo-zigbuild-${{ env.CARGO_ZIGBUILD_VERSION }}-manylinux_riscv64
	path: wheelhouse

	- name: Install Python
	uses: astral-sh/setup-uv@20cfd1bf945f4377ade1205e4dbc17946fc9a30d # v10.0.1
	with:
	python-version: ${{ matrix.python-version }}
	activate-environment: true
	enable-cache: false

	- uses: dtolnay/rust-toolchain@6c977a6ca4077a0ceb28ffbe03f59d46e9ac8772 # master
	with:
	toolchain: stable
	targets: aarch64-unknown-linux-gnu

	- name: Install wheel
	run: uv pip install --reinstall --find-links wheelhouse "cargo-zigbuild==${CARGO_ZIGBUILD_VERSION}"

	# The wheel holds only the cargo-zigbuild executable; zig itself comes
	# from the ziglang wheel it depends on, found through `python -m ziglang`.
	- name: Test wheel
	run: \|
	set -euxo pipefail
	cargo-zigbuild --version
	cargo zigbuild --help >/dev/null
	python -m ziglang version

	cargo zigbuild --target riscv64gc-unknown-linux-gnu --manifest-path tests/hello-rustls/Cargo.toml
	readelf -h tests/hello-rustls/target/riscv64gc-unknown-linux-gnu/debug/hello-rustls \| grep 'Machine:.*RISC-V'

	cargo zigbuild --target riscv64gc-unknown-linux-gnu.2.31 --manifest-path tests/hello-rustls/Cargo.toml --target-dir "$RUNNER_TEMP/glibc-2.31"
	bin="$RUNNER_TEMP/glibc-2.31/riscv64gc-unknown-linux-gnu/debug/hello-rustls"
	readelf -V "$bin" > "$RUNNER_TEMP/versions.txt"
	if grep -E 'GLIBC_2\.(3[2-9]\|[4-9][0-9])' "$RUNNER_TEMP/versions.txt"; then exit 1; fi
	"$bin"

	cargo-zigbuild run --target riscv64gc-unknown-linux-gnu --manifest-path tests/hello-rustls/Cargo.toml
	cargo-zigbuild test --target riscv64gc-unknown-linux-gnu --manifest-path tests/hello-rustls/Cargo.toml

	cargo zigbuild --target aarch64-unknown-linux-gnu --manifest-path tests/hello-rustls/Cargo.toml
	readelf -h tests/hello-rustls/target/aarch64-unknown-linux-gnu/debug/hello-rustls \| grep 'Machine:.*AArch64'

	cargo zigbuild --target aarch64-unknown-linux-gnu --manifest-path tests/libhello/Cargo.toml
	readelf -h tests/libhello/target/aarch64-unknown-linux-gnu/debug/libhello.so \| grep 'Type:.*DYN'

	publish:
	name: Publish cargo-zigbuild ${{ matrix.version }}
	needs: [setup, build_wheel, test_wheel]
	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: ${{ secrets.RISEPROJECT_APP_PRIVATE_KEY }}
	with:
	artifact-pattern: cargo-zigbuild-${{ matrix.version }}-manylinux_riscv64

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