Build Python #285
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| name: Build Python | |
| on: | |
| workflow_dispatch: | |
| inputs: | |
| cpython_tag: | |
| description: "CPython git tag to build (e.g. v3.12.13, v3.15.0a7)" | |
| required: true | |
| type: string | |
| freethreaded: | |
| description: "Also build a --disable-gil variant (3.13+)" | |
| required: false | |
| default: false | |
| type: boolean | |
| permissions: | |
| contents: write | |
| actions: write | |
| defaults: | |
| run: | |
| shell: bash --noprofile --norc -euxo pipefail {0} | |
| jobs: | |
| build: | |
| runs-on: ubuntu-24.04-riscv | |
| env: | |
| CPYTHON_TAG: ${{ inputs.cpython_tag }} | |
| FREETHREADED: ${{ inputs.freethreaded }} | |
| GH_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| steps: | |
| - name: Checkout this repo | |
| uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2 | |
| - name: Install build dependencies | |
| run: | | |
| sudo apt-get update -qq | |
| sudo apt-get install -qq -y --no-install-recommends \ | |
| build-essential \ | |
| ca-certificates \ | |
| g++-14 \ | |
| gcc-14 \ | |
| git \ | |
| libbz2-dev \ | |
| libexpat1-dev \ | |
| libffi-dev \ | |
| libgdbm-dev \ | |
| liblzma-dev \ | |
| libncursesw5-dev \ | |
| libreadline-dev \ | |
| libsqlite3-dev \ | |
| libssl-dev \ | |
| make \ | |
| patchelf \ | |
| pkg-config \ | |
| tk-dev \ | |
| uuid-dev \ | |
| wget \ | |
| xz-utils \ | |
| zlib1g-dev | |
| # Make sure Python is built with gcc 14 | |
| echo "CC=gcc-14" >> $GITHUB_ENV | |
| echo "CXX=g++-14" >> $GITHUB_ENV | |
| - name: Compute normalised version | |
| id: vars | |
| run: | | |
| tag="$CPYTHON_TAG" | |
| # Strip leading v, expand a/b/rc suffixes | |
| normalised="${tag#v}" | |
| normalised="$(echo "$normalised" | sed -E 's/a([0-9]+)$/-alpha.\1/; s/b([0-9]+)$/-beta.\1/; s/rc([0-9]+)$/-rc.\1/')" | |
| # X.Y | |
| minor_num="$(echo "$normalised" | cut -d. -f2)" | |
| minor="3.${minor_num}" | |
| echo "normalised=${normalised}" >> "$GITHUB_OUTPUT" | |
| echo "minor=${minor}" >> "$GITHUB_OUTPUT" | |
| echo "minor_num=${minor_num}" >> "$GITHUB_OUTPUT" | |
| echo "archive_base=python-${normalised}-linux-24.04-riscv64" >> "$GITHUB_OUTPUT" | |
| echo "Normalised version: ${normalised}" | |
| echo "Python X.Y: ${minor}" | |
| if [ "${FREETHREADED}" = "true" ] && [ "${minor_num}" -lt 13 ]; then | |
| echo "ERROR: freethreaded build requires CPython 3.13+" >&2 | |
| exit 1 | |
| fi | |
| - name: Checkout CPython | |
| run: git clone --depth 1 --branch "$CPYTHON_TAG" https://github.com/python/cpython.git src | |
| - name: Build standard CPython | |
| env: | |
| MINOR: ${{ steps.vars.outputs.minor }} | |
| ARCHIVE_BASE: ${{ steps.vars.outputs.archive_base }} | |
| NORMALISED: ${{ steps.vars.outputs.normalised }} | |
| run: | | |
| mkdir -p output | |
| pushd src | |
| ./configure --with-ensurepip=install --enable-shared | |
| make -j"$(nproc)" 2>&1 | tee ../build_output.txt | |
| make install DESTDIR="$PWD/../staging-std" | |
| popd | |
| mkdir -p "$ARCHIVE_BASE" | |
| cp -a staging-std/usr/local/bin "$ARCHIVE_BASE/" | |
| cp -a staging-std/usr/local/include "$ARCHIVE_BASE/" | |
| cp -a staging-std/usr/local/lib "$ARCHIVE_BASE/" | |
| cp -a staging-std/usr/local/share "$ARCHIVE_BASE/" | |
| patchelf --set-rpath '$ORIGIN/../lib' "$ARCHIVE_BASE/bin/python${MINOR}" | |
| sed -e "s|{{__VERSION_FULL__}}|${NORMALISED}|g" \ | |
| -e "s|{{__ARCH__}}|riscv64|g" \ | |
| installers/nix-setup-template.sh > "$ARCHIVE_BASE/setup.sh" | |
| chmod +x "$ARCHIVE_BASE/setup.sh" | |
| mv build_output.txt "$ARCHIVE_BASE/build_output.txt" | |
| (cd "$ARCHIVE_BASE" && find . \( -type f -o -type l \) | sed 's|^\./|/|') > "$ARCHIVE_BASE/tools_structure.txt" | |
| tar -czf "output/${ARCHIVE_BASE}.tar.gz" -C "$ARCHIVE_BASE" . | |
| rm -rf "$ARCHIVE_BASE" staging-std | |
| - name: Build free-threaded CPython | |
| if: ${{ inputs.freethreaded == true }} | |
| env: | |
| MINOR: ${{ steps.vars.outputs.minor }} | |
| ARCHIVE_BASE: ${{ format('{0}-freethreaded', steps.vars.outputs.archive_base) }} | |
| NORMALISED: ${{ steps.vars.outputs.normalised }} | |
| run: | | |
| pushd src | |
| git clean -fdx | |
| ./configure --with-ensurepip=install --enable-shared --disable-gil | |
| make -j"$(nproc)" 2>&1 | tee ../build_output.txt | |
| make install DESTDIR="$PWD/../staging-ft" | |
| popd | |
| mkdir -p "$ARCHIVE_BASE" | |
| cp -a staging-ft/usr/local/bin "$ARCHIVE_BASE/" | |
| cp -a staging-ft/usr/local/include "$ARCHIVE_BASE/" | |
| cp -a staging-ft/usr/local/lib "$ARCHIVE_BASE/" | |
| cp -a staging-ft/usr/local/share "$ARCHIVE_BASE/" | |
| patchelf --set-rpath '$ORIGIN/../lib' "$ARCHIVE_BASE/bin/python${MINOR}" | |
| sed -e "s|{{__VERSION_FULL__}}|${NORMALISED}|g" \ | |
| -e "s|{{__ARCH__}}|riscv64|g" \ | |
| installers/nix-setup-template.sh > "$ARCHIVE_BASE/setup.sh" | |
| chmod +x "$ARCHIVE_BASE/setup.sh" | |
| mv build_output.txt "$ARCHIVE_BASE/build_output.txt" | |
| (cd "$ARCHIVE_BASE" && find . \( -type f -o -type l \) | sed 's|^\./|/|') > "$ARCHIVE_BASE/tools_structure.txt" | |
| tar -czf "output/${ARCHIVE_BASE}.tar.gz" -C "$ARCHIVE_BASE" . | |
| rm -rf "$ARCHIVE_BASE" staging-ft | |
| - name: Print tarball hashes | |
| run: sha256sum output/*.tar.gz | |
| - name: Publish release | |
| env: | |
| NORMALISED: ${{ steps.vars.outputs.normalised }} | |
| run: | | |
| TAG="${NORMALISED}-${GITHUB_RUN_ID}" | |
| gh release create "$TAG" --repo "$GITHUB_REPOSITORY" \ | |
| --title "$NORMALISED" \ | |
| --notes "Python $NORMALISED" \ | |
| ./output/*.tar.gz | |
| - name: Trigger manifest refresh | |
| run: gh workflow run update-manifest.yml --repo "$GITHUB_REPOSITORY" --ref main |