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gh-117804: Autoconf: silence some clang warnings for PGO builds #108816

gh-117804: Autoconf: silence some clang warnings for PGO builds

gh-117804: Autoconf: silence some clang warnings for PGO builds #108816

Workflow file for this run

name: Tests
# gh-84728: "paths-ignore" is not used to skip documentation-only PRs, because
# it prevents to mark a job as mandatory. A PR cannot be merged if a job is
# mandatory but not scheduled because of "paths-ignore".
on:
workflow_dispatch:
push:
branches:
- 'main'
- '3.12'
- '3.11'
- '3.10'
- '3.9'
- '3.8'
pull_request:
branches:
- 'main'
- '3.12'
- '3.11'
- '3.10'
- '3.9'
- '3.8'
permissions:
contents: read
concurrency:
group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}-reusable
cancel-in-progress: true
jobs:
check_source:
name: 'Check for source changes'
runs-on: ubuntu-latest
timeout-minutes: 10
outputs:
run-docs: ${{ steps.docs-changes.outputs.run-docs || false }}
run_tests: ${{ steps.check.outputs.run_tests }}
run_hypothesis: ${{ steps.check.outputs.run_hypothesis }}
run_cifuzz: ${{ steps.check.outputs.run_cifuzz }}
config_hash: ${{ steps.config_hash.outputs.hash }}
steps:
- uses: actions/checkout@v4
- name: Check for source changes
id: check
run: |
if [ -z "$GITHUB_BASE_REF" ]; then
echo "run_tests=true" >> $GITHUB_OUTPUT
else
git fetch origin $GITHUB_BASE_REF --depth=1
# git diff "origin/$GITHUB_BASE_REF..." (3 dots) may be more
# reliable than git diff "origin/$GITHUB_BASE_REF.." (2 dots),
# but it requires to download more commits (this job uses
# "git fetch --depth=1").
#
# git diff "origin/$GITHUB_BASE_REF..." (3 dots) works with Git
# 2.26, but Git 2.28 is stricter and fails with "no merge base".
#
# git diff "origin/$GITHUB_BASE_REF.." (2 dots) should be enough on
# GitHub, since GitHub starts by merging origin/$GITHUB_BASE_REF
# into the PR branch anyway.
#
# https://github.com/python/core-workflow/issues/373
git diff --name-only origin/$GITHUB_BASE_REF.. | grep -qvE '(\.rst$|^Doc|^Misc|^\.pre-commit-config\.yaml$|\.ruff\.toml$)' && echo "run_tests=true" >> $GITHUB_OUTPUT || true
fi
# Check if we should run hypothesis tests
GIT_BRANCH=${GITHUB_BASE_REF:-${GITHUB_REF#refs/heads/}}
echo $GIT_BRANCH
if $(echo "$GIT_BRANCH" | grep -q -w '3\.\(8\|9\|10\|11\)'); then
echo "Branch too old for hypothesis tests"
echo "run_hypothesis=false" >> $GITHUB_OUTPUT
else
echo "Run hypothesis tests"
echo "run_hypothesis=true" >> $GITHUB_OUTPUT
fi
# oss-fuzz maintains a configuration for fuzzing the main branch of
# CPython, so CIFuzz should be run only for code that is likely to be
# merged into the main branch; compatibility with older branches may
# be broken.
FUZZ_RELEVANT_FILES='(\.c$|\.h$|\.cpp$|^configure$|^\.github/workflows/build\.yml$|^Modules/_xxtestfuzz)'
if [ "$GITHUB_BASE_REF" = "main" ] && [ "$(git diff --name-only origin/$GITHUB_BASE_REF.. | grep -qE $FUZZ_RELEVANT_FILES; echo $?)" -eq 0 ]; then
# The tests are pretty slow so they are executed only for PRs
# changing relevant files.
echo "Run CIFuzz tests"
echo "run_cifuzz=true" >> $GITHUB_OUTPUT
else
echo "Branch too old for CIFuzz tests; or no C files were changed"
echo "run_cifuzz=false" >> $GITHUB_OUTPUT
fi
- name: Compute hash for config cache key
id: config_hash
run: |
echo "hash=${{ hashFiles('configure', 'configure.ac', '.github/workflows/build.yml') }}" >> $GITHUB_OUTPUT
- name: Get a list of the changed documentation-related files
if: github.event_name == 'pull_request'
id: changed-docs-files
uses: Ana06/[email protected]
with:
filter: |
Doc/**
Misc/**
.github/workflows/reusable-docs.yml
format: csv # works for paths with spaces
- name: Check for docs changes
if: >-
github.event_name == 'pull_request'
&& steps.changed-docs-files.outputs.added_modified_renamed != ''
id: docs-changes
run: |
echo "run-docs=true" >> "${GITHUB_OUTPUT}"
check-docs:
name: Docs
needs: check_source
if: fromJSON(needs.check_source.outputs.run-docs)
uses: ./.github/workflows/reusable-docs.yml
check_generated_files:
name: 'Check if generated files are up to date'
# Don't use ubuntu-latest but a specific version to make the job
# reproducible: to get the same tools versions (autoconf, aclocal, ...)
runs-on: ubuntu-22.04
timeout-minutes: 60
needs: check_source
if: needs.check_source.outputs.run_tests == 'true'
steps:
- uses: actions/checkout@v4
- uses: actions/setup-python@v5
with:
python-version: '3.x'
- name: Runner image version
run: echo "IMAGE_VERSION=${ImageVersion}" >> $GITHUB_ENV
- name: Restore config.cache
uses: actions/cache@v4
with:
path: config.cache
key: ${{ github.job }}-${{ runner.os }}-${{ env.IMAGE_VERSION }}-${{ needs.check_source.outputs.config_hash }}-${{ env.pythonLocation }}
- name: Install Dependencies
run: sudo ./.github/workflows/posix-deps-apt.sh
- name: Add ccache to PATH
run: echo "PATH=/usr/lib/ccache:$PATH" >> $GITHUB_ENV
- name: Configure ccache action
uses: hendrikmuhs/[email protected]
with:
save: false
- name: Check Autoconf and aclocal versions
run: |
grep "Generated by GNU Autoconf 2.71" configure
grep "aclocal 1.16.5" aclocal.m4
grep -q "runstatedir" configure
grep -q "PKG_PROG_PKG_CONFIG" aclocal.m4
- name: Configure CPython
run: |
# Build Python with the libpython dynamic library
./configure --config-cache --with-pydebug --enable-shared
- name: Regenerate autoconf files
# Same command used by Tools/build/regen-configure.sh ($AUTORECONF)
run: autoreconf -ivf -Werror
- name: Build CPython
run: |
make -j4 regen-all
make regen-stdlib-module-names regen-sbom
- name: Check for changes
run: |
git add -u
changes=$(git status --porcelain)
# Check for changes in regenerated files
if test -n "$changes"; then
echo "Generated files not up to date."
echo "Perhaps you forgot to run make regen-all or build.bat --regen. ;)"
echo "configure files must be regenerated with a specific version of autoconf."
echo "$changes"
echo ""
git diff --staged || true
exit 1
fi
- name: Check exported libpython symbols
run: make smelly
- name: Check limited ABI symbols
run: make check-limited-abi
- name: Check for unsupported C global variables
if: github.event_name == 'pull_request' # $GITHUB_EVENT_NAME
run: make check-c-globals
build_windows:
name: 'Windows'
needs: check_source
if: needs.check_source.outputs.run_tests == 'true'
uses: ./.github/workflows/reusable-windows.yml
build_windows_free_threading:
name: 'Windows (free-threading)'
needs: check_source
if: needs.check_source.outputs.run_tests == 'true'
uses: ./.github/workflows/reusable-windows.yml
with:
free-threading: true
build_macos:
name: 'macOS'
needs: check_source
if: needs.check_source.outputs.run_tests == 'true'
uses: ./.github/workflows/reusable-macos.yml
with:
config_hash: ${{ needs.check_source.outputs.config_hash }}
# macos-14 is M1, macos-13 is Intel
os-matrix: '["macos-14", "macos-13"]'
build_macos_free_threading:
name: 'macOS (free-threading)'
needs: check_source
if: needs.check_source.outputs.run_tests == 'true'
uses: ./.github/workflows/reusable-macos.yml
with:
config_hash: ${{ needs.check_source.outputs.config_hash }}
free-threading: true
# macos-14 is M1
os-matrix: '["macos-14"]'
build_ubuntu:
name: 'Ubuntu'
needs: check_source
if: needs.check_source.outputs.run_tests == 'true'
uses: ./.github/workflows/reusable-ubuntu.yml
with:
config_hash: ${{ needs.check_source.outputs.config_hash }}
options: |
../cpython-ro-srcdir/configure \
--config-cache \
--with-pydebug \
--with-openssl=$OPENSSL_DIR
build_ubuntu_free_threading:
name: 'Ubuntu (free-threading)'
needs: check_source
if: needs.check_source.outputs.run_tests == 'true'
uses: ./.github/workflows/reusable-ubuntu.yml
with:
config_hash: ${{ needs.check_source.outputs.config_hash }}
options: |
../cpython-ro-srcdir/configure \
--config-cache \
--with-pydebug \
--with-openssl=$OPENSSL_DIR \
--disable-gil
build_ubuntu_ssltests:
name: 'Ubuntu SSL tests with OpenSSL'
runs-on: ubuntu-20.04
timeout-minutes: 60
needs: check_source
if: needs.check_source.outputs.run_tests == 'true'
strategy:
fail-fast: false
matrix:
openssl_ver: [1.1.1w, 3.0.13, 3.1.5, 3.2.1]
env:
OPENSSL_VER: ${{ matrix.openssl_ver }}
MULTISSL_DIR: ${{ github.workspace }}/multissl
OPENSSL_DIR: ${{ github.workspace }}/multissl/openssl/${{ matrix.openssl_ver }}
LD_LIBRARY_PATH: ${{ github.workspace }}/multissl/openssl/${{ matrix.openssl_ver }}/lib
steps:
- uses: actions/checkout@v4
- name: Runner image version
run: echo "IMAGE_VERSION=${ImageVersion}" >> $GITHUB_ENV
- name: Restore config.cache
uses: actions/cache@v4
with:
path: config.cache
key: ${{ github.job }}-${{ runner.os }}-${{ env.IMAGE_VERSION }}-${{ needs.check_source.outputs.config_hash }}
- name: Register gcc problem matcher
run: echo "::add-matcher::.github/problem-matchers/gcc.json"
- name: Install Dependencies
run: sudo ./.github/workflows/posix-deps-apt.sh
- name: Configure OpenSSL env vars
run: |
echo "MULTISSL_DIR=${GITHUB_WORKSPACE}/multissl" >> $GITHUB_ENV
echo "OPENSSL_DIR=${GITHUB_WORKSPACE}/multissl/openssl/${OPENSSL_VER}" >> $GITHUB_ENV
echo "LD_LIBRARY_PATH=${GITHUB_WORKSPACE}/multissl/openssl/${OPENSSL_VER}/lib" >> $GITHUB_ENV
- name: 'Restore OpenSSL build'
id: cache-openssl
uses: actions/cache@v4
with:
path: ./multissl/openssl/${{ env.OPENSSL_VER }}
key: ${{ runner.os }}-multissl-openssl-${{ env.OPENSSL_VER }}
- name: Install OpenSSL
if: steps.cache-openssl.outputs.cache-hit != 'true'
run: python3 Tools/ssl/multissltests.py --steps=library --base-directory $MULTISSL_DIR --openssl $OPENSSL_VER --system Linux
- name: Add ccache to PATH
run: |
echo "PATH=/usr/lib/ccache:$PATH" >> $GITHUB_ENV
- name: Configure ccache action
uses: hendrikmuhs/[email protected]
with:
save: false
- name: Configure CPython
run: ./configure --config-cache --with-pydebug --with-openssl=$OPENSSL_DIR
- name: Build CPython
run: make -j4
- name: Display build info
run: make pythoninfo
- name: SSL tests
run: ./python Lib/test/ssltests.py
build_wasi:
name: 'WASI'
needs: check_source
if: needs.check_source.outputs.run_tests == 'true'
uses: ./.github/workflows/reusable-wasi.yml
with:
config_hash: ${{ needs.check_source.outputs.config_hash }}
test_hypothesis:
name: "Hypothesis tests on Ubuntu"
runs-on: ubuntu-20.04
timeout-minutes: 60
needs: check_source
if: needs.check_source.outputs.run_tests == 'true' && needs.check_source.outputs.run_hypothesis == 'true'
env:
OPENSSL_VER: 3.0.13
PYTHONSTRICTEXTENSIONBUILD: 1
steps:
- uses: actions/checkout@v4
- name: Register gcc problem matcher
run: echo "::add-matcher::.github/problem-matchers/gcc.json"
- name: Install Dependencies
run: sudo ./.github/workflows/posix-deps-apt.sh
- name: Configure OpenSSL env vars
run: |
echo "MULTISSL_DIR=${GITHUB_WORKSPACE}/multissl" >> $GITHUB_ENV
echo "OPENSSL_DIR=${GITHUB_WORKSPACE}/multissl/openssl/${OPENSSL_VER}" >> $GITHUB_ENV
echo "LD_LIBRARY_PATH=${GITHUB_WORKSPACE}/multissl/openssl/${OPENSSL_VER}/lib" >> $GITHUB_ENV
- name: 'Restore OpenSSL build'
id: cache-openssl
uses: actions/cache@v4
with:
path: ./multissl/openssl/${{ env.OPENSSL_VER }}
key: ${{ runner.os }}-multissl-openssl-${{ env.OPENSSL_VER }}
- name: Install OpenSSL
if: steps.cache-openssl.outputs.cache-hit != 'true'
run: python3 Tools/ssl/multissltests.py --steps=library --base-directory $MULTISSL_DIR --openssl $OPENSSL_VER --system Linux
- name: Add ccache to PATH
run: |
echo "PATH=/usr/lib/ccache:$PATH" >> $GITHUB_ENV
- name: Configure ccache action
uses: hendrikmuhs/[email protected]
with:
save: false
- name: Setup directory envs for out-of-tree builds
run: |
echo "CPYTHON_RO_SRCDIR=$(realpath -m ${GITHUB_WORKSPACE}/../cpython-ro-srcdir)" >> $GITHUB_ENV
echo "CPYTHON_BUILDDIR=$(realpath -m ${GITHUB_WORKSPACE}/../cpython-builddir)" >> $GITHUB_ENV
- name: Create directories for read-only out-of-tree builds
run: mkdir -p $CPYTHON_RO_SRCDIR $CPYTHON_BUILDDIR
- name: Bind mount sources read-only
run: sudo mount --bind -o ro $GITHUB_WORKSPACE $CPYTHON_RO_SRCDIR
- name: Runner image version
run: echo "IMAGE_VERSION=${ImageVersion}" >> $GITHUB_ENV
- name: Restore config.cache
uses: actions/cache@v4
with:
path: ${{ env.CPYTHON_BUILDDIR }}/config.cache
key: ${{ github.job }}-${{ runner.os }}-${{ env.IMAGE_VERSION }}-${{ needs.check_source.outputs.config_hash }}
- name: Configure CPython out-of-tree
working-directory: ${{ env.CPYTHON_BUILDDIR }}
run: |
../cpython-ro-srcdir/configure \
--config-cache \
--with-pydebug \
--with-openssl=$OPENSSL_DIR
- name: Build CPython out-of-tree
working-directory: ${{ env.CPYTHON_BUILDDIR }}
run: make -j4
- name: Display build info
working-directory: ${{ env.CPYTHON_BUILDDIR }}
run: make pythoninfo
- name: Remount sources writable for tests
# some tests write to srcdir, lack of pyc files slows down testing
run: sudo mount $CPYTHON_RO_SRCDIR -oremount,rw
- name: Setup directory envs for out-of-tree builds
run: |
echo "CPYTHON_BUILDDIR=$(realpath -m ${GITHUB_WORKSPACE}/../cpython-builddir)" >> $GITHUB_ENV
- name: "Create hypothesis venv"
working-directory: ${{ env.CPYTHON_BUILDDIR }}
run: |
VENV_LOC=$(realpath -m .)/hypovenv
VENV_PYTHON=$VENV_LOC/bin/python
echo "HYPOVENV=${VENV_LOC}" >> $GITHUB_ENV
echo "VENV_PYTHON=${VENV_PYTHON}" >> $GITHUB_ENV
./python -m venv $VENV_LOC && $VENV_PYTHON -m pip install -r ${GITHUB_WORKSPACE}/Tools/requirements-hypothesis.txt
- name: 'Restore Hypothesis database'
id: cache-hypothesis-database
uses: actions/cache@v4
with:
path: ./hypothesis
key: hypothesis-database-${{ github.head_ref || github.run_id }}
restore-keys: |
- hypothesis-database-
- name: "Run tests"
working-directory: ${{ env.CPYTHON_BUILDDIR }}
run: |
# Most of the excluded tests are slow test suites with no property tests
#
# (GH-104097) test_sysconfig is skipped because it has tests that are
# failing when executed from inside a virtual environment.
${{ env.VENV_PYTHON }} -m test \
-W \
-o \
-j4 \
-x test_asyncio \
-x test_multiprocessing_fork \
-x test_multiprocessing_forkserver \
-x test_multiprocessing_spawn \
-x test_concurrent_futures \
-x test_socket \
-x test_subprocess \
-x test_signal \
-x test_sysconfig
- uses: actions/upload-artifact@v4
if: always()
with:
name: hypothesis-example-db
path: .hypothesis/examples/
build_asan:
name: 'Address sanitizer'
runs-on: ubuntu-20.04
timeout-minutes: 60
needs: check_source
if: needs.check_source.outputs.run_tests == 'true'
env:
OPENSSL_VER: 3.0.13
PYTHONSTRICTEXTENSIONBUILD: 1
ASAN_OPTIONS: detect_leaks=0:allocator_may_return_null=1:handle_segv=0
steps:
- uses: actions/checkout@v4
- name: Runner image version
run: echo "IMAGE_VERSION=${ImageVersion}" >> $GITHUB_ENV
- name: Restore config.cache
uses: actions/cache@v4
with:
path: config.cache
key: ${{ github.job }}-${{ runner.os }}-${{ env.IMAGE_VERSION }}-${{ needs.check_source.outputs.config_hash }}
- name: Register gcc problem matcher
run: echo "::add-matcher::.github/problem-matchers/gcc.json"
- name: Install Dependencies
run: sudo ./.github/workflows/posix-deps-apt.sh
- name: Set up GCC-10 for ASAN
uses: egor-tensin/setup-gcc@v1
with:
version: 10
- name: Configure OpenSSL env vars
run: |
echo "MULTISSL_DIR=${GITHUB_WORKSPACE}/multissl" >> $GITHUB_ENV
echo "OPENSSL_DIR=${GITHUB_WORKSPACE}/multissl/openssl/${OPENSSL_VER}" >> $GITHUB_ENV
echo "LD_LIBRARY_PATH=${GITHUB_WORKSPACE}/multissl/openssl/${OPENSSL_VER}/lib" >> $GITHUB_ENV
- name: 'Restore OpenSSL build'
id: cache-openssl
uses: actions/cache@v4
with:
path: ./multissl/openssl/${{ env.OPENSSL_VER }}
key: ${{ runner.os }}-multissl-openssl-${{ env.OPENSSL_VER }}
- name: Install OpenSSL
if: steps.cache-openssl.outputs.cache-hit != 'true'
run: python3 Tools/ssl/multissltests.py --steps=library --base-directory $MULTISSL_DIR --openssl $OPENSSL_VER --system Linux
- name: Add ccache to PATH
run: |
echo "PATH=/usr/lib/ccache:$PATH" >> $GITHUB_ENV
- name: Configure ccache action
uses: hendrikmuhs/[email protected]
with:
save: ${{ github.event_name == 'push' }}
max-size: "200M"
- name: Configure CPython
run: ./configure --config-cache --with-address-sanitizer --without-pymalloc
- name: Build CPython
run: make -j4
- name: Display build info
run: make pythoninfo
- name: Tests
run: xvfb-run make test
build_tsan:
name: 'Thread sanitizer'
needs: check_source
if: needs.check_source.outputs.run_tests == 'true'
uses: ./.github/workflows/reusable-tsan.yml
with:
config_hash: ${{ needs.check_source.outputs.config_hash }}
options: ./configure --config-cache --with-thread-sanitizer --with-pydebug
build_tsan_free_threading:
name: 'Thread sanitizer (free-threading)'
needs: check_source
if: needs.check_source.outputs.run_tests == 'true'
uses: ./.github/workflows/reusable-tsan.yml
with:
config_hash: ${{ needs.check_source.outputs.config_hash }}
options: ./configure --config-cache --disable-gil --with-thread-sanitizer --with-pydebug
# CIFuzz job based on https://google.github.io/oss-fuzz/getting-started/continuous-integration/
cifuzz:
name: CIFuzz
runs-on: ubuntu-latest
timeout-minutes: 60
needs: check_source
if: needs.check_source.outputs.run_cifuzz == 'true'
permissions:
security-events: write
strategy:
fail-fast: false
matrix:
sanitizer: [address, undefined, memory]
steps:
- name: Build fuzzers (${{ matrix.sanitizer }})
id: build
uses: google/oss-fuzz/infra/cifuzz/actions/build_fuzzers@master
with:
oss-fuzz-project-name: cpython3
sanitizer: ${{ matrix.sanitizer }}
- name: Run fuzzers (${{ matrix.sanitizer }})
uses: google/oss-fuzz/infra/cifuzz/actions/run_fuzzers@master
with:
fuzz-seconds: 600
oss-fuzz-project-name: cpython3
output-sarif: true
sanitizer: ${{ matrix.sanitizer }}
- name: Upload crash
uses: actions/upload-artifact@v4
if: failure() && steps.build.outcome == 'success'
with:
name: ${{ matrix.sanitizer }}-artifacts
path: ./out/artifacts
- name: Upload SARIF
if: always() && steps.build.outcome == 'success'
uses: github/codeql-action/upload-sarif@v3
with:
sarif_file: cifuzz-sarif/results.sarif
checkout_path: cifuzz-sarif
all-required-green: # This job does nothing and is only used for the branch protection
name: All required checks pass
if: always()
needs:
- check_source # Transitive dependency, needed to access `run_tests` value
- check-docs
- check_generated_files
- build_macos
- build_macos_free_threading
- build_ubuntu
- build_ubuntu_free_threading
- build_ubuntu_ssltests
- build_wasi
- build_windows
- build_windows_free_threading
- test_hypothesis
- build_asan
- build_tsan
- build_tsan_free_threading
- cifuzz
runs-on: ubuntu-latest
steps:
- name: Check whether the needed jobs succeeded or failed
uses: re-actors/alls-green@05ac9388f0aebcb5727afa17fcccfecd6f8ec5fe
with:
allowed-failures: >-
build_ubuntu_ssltests,
cifuzz,
test_hypothesis,
allowed-skips: >-
${{
!fromJSON(needs.check_source.outputs.run-docs)
&& '
check-docs,
'
|| ''
}}
${{
needs.check_source.outputs.run_tests != 'true'
&& '
check_generated_files,
build_macos,
build_macos_free_threading,
build_ubuntu,
build_ubuntu_free_threading,
build_ubuntu_ssltests,
build_wasi,
build_windows,
build_windows_free_threading,
build_asan,
build_tsan,
build_tsan_free_threading,
'
|| ''
}}
${{
!fromJSON(needs.check_source.outputs.run_cifuzz)
&& '
cifuzz,
'
|| ''
}}
${{
!fromJSON(needs.check_source.outputs.run_hypothesis)
&& '
test_hypothesis,
'
|| ''
}}
jobs: ${{ toJSON(needs) }}