Build and Test libc++ #140
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# This file defines pre-commit CI for libc++, libc++abi, and libunwind (on Github). | |
# | |
# We split the configurations in multiple stages with the intent of saving compute time | |
# when a job fails early in the pipeline. This is why the jobs are marked as `continue-on-error: false`. | |
# We try to run the CI configurations with the most signal in the first stage. | |
# | |
# Stages 1 & 2 are meant to be "smoke tests", and are meant to catch most build/test failures quickly and without using | |
# too many resources. | |
# Stage 3 is "everything else", and is meant to catch breakages on more niche or unique configurations. | |
# | |
# Therefore, we "fail-fast" for any failures during stages 1 & 2, meaning any job failing cancels all other running jobs, | |
# under the assumption that if the "smoke tests" fail, then the other configurations will likely fail in the same way. | |
# However, stage 3 does not fail fast, as it's more likely that any one job failing is a flake or a configuration-specific | |
# | |
name: Build and Test libc++ | |
on: | |
pull_request: | |
paths: | |
- 'libcxx/**' | |
- 'libcxxabi/**' | |
- 'libunwind/**' | |
- 'runtimes/**' | |
- 'cmake/**' | |
- '.github/workflows/libcxx-build-and-test.yaml' | |
schedule: | |
# Run nightly at 08:00 UTC (aka 00:00 Pacific, aka 03:00 Eastern) | |
- cron: '0 8 * * *' | |
permissions: | |
contents: read # Default everything to read-only | |
concurrency: | |
group: ${{ github.workflow }}-${{ github.event.pull_request.number }} | |
cancel-in-progress: true | |
jobs: | |
stage1: | |
if: github.repository_owner == 'llvm' | |
runs-on: libcxx-self-hosted-linux | |
container: ghcr.io/llvm/libcxx-linux-builder:0fd6f684b9c84c32d6cbfd9742402e788b2879f1 | |
continue-on-error: false | |
strategy: | |
fail-fast: false | |
matrix: | |
config: [ | |
'generic-cxx03', | |
'generic-cxx26', | |
'generic-modules' | |
] | |
cc: [ 'clang-19' ] | |
cxx: [ 'clang++-19' ] | |
include: | |
- config: 'generic-gcc' | |
cc: 'gcc-14' | |
cxx: 'g++-14' | |
steps: | |
- uses: actions/checkout@v4 | |
- name: ${{ matrix.config }}.${{ matrix.cxx }} | |
run: libcxx/utils/ci/run-buildbot ${{ matrix.config }} | |
env: | |
CC: ${{ matrix.cc }} | |
CXX: ${{ matrix.cxx }} | |
- uses: actions/upload-artifact@26f96dfa697d77e81fd5907df203aa23a56210a8 # v4.3.0 | |
if: always() | |
with: | |
name: ${{ matrix.config }}-${{ matrix.cxx }}-results | |
path: | | |
**/test-results.xml | |
**/*.abilist | |
**/CMakeConfigureLog.yaml | |
**/CMakeError.log | |
**/CMakeOutput.log | |
**/crash_diagnostics/* | |
stage2: | |
if: github.repository_owner == 'llvm' | |
runs-on: libcxx-self-hosted-linux | |
container: ghcr.io/llvm/libcxx-linux-builder:0fd6f684b9c84c32d6cbfd9742402e788b2879f1 | |
needs: [ stage1 ] | |
continue-on-error: false | |
strategy: | |
fail-fast: false | |
matrix: | |
config: [ | |
'generic-cxx11', | |
'generic-cxx14', | |
'generic-cxx17', | |
'generic-cxx20', | |
'generic-cxx23' | |
] | |
cc: [ 'clang-19' ] | |
cxx: [ 'clang++-19' ] | |
include: | |
- config: 'generic-gcc-cxx11' | |
cc: 'gcc-14' | |
cxx: 'g++-14' | |
- config: 'generic-cxx23' | |
cc: 'clang-17' | |
cxx: 'clang++-17' | |
- config: 'generic-cxx26' | |
cc: 'clang-18' | |
cxx: 'clang++-18' | |
steps: | |
- uses: actions/checkout@v4 | |
- name: ${{ matrix.config }} | |
run: libcxx/utils/ci/run-buildbot ${{ matrix.config }} | |
env: | |
CC: ${{ matrix.cc }} | |
CXX: ${{ matrix.cxx }} | |
- uses: actions/upload-artifact@26f96dfa697d77e81fd5907df203aa23a56210a8 # v4.3.0 | |
if: always() # Upload artifacts even if the build or test suite fails | |
with: | |
name: ${{ matrix.config }}-${{ matrix.cxx }}-results | |
path: | | |
**/test-results.xml | |
**/*.abilist | |
**/CMakeConfigureLog.yaml | |
**/CMakeError.log | |
**/CMakeOutput.log | |
**/crash_diagnostics/* | |
stage3: | |
if: github.repository_owner == 'llvm' | |
needs: [ stage1, stage2 ] | |
continue-on-error: false | |
strategy: | |
fail-fast: false | |
max-parallel: 8 | |
matrix: | |
config: [ | |
'generic-abi-unstable', | |
'generic-hardening-mode-debug', | |
'generic-hardening-mode-extensive', | |
'generic-hardening-mode-fast', | |
'generic-hardening-mode-fast-with-abi-breaks', | |
'generic-merged', | |
'generic-modules-lsv', | |
'generic-no-exceptions', | |
'generic-no-experimental', | |
'generic-no-filesystem', | |
'generic-no-localization', | |
'generic-no-terminal', | |
'generic-no-random_device', | |
'generic-no-threads', | |
'generic-no-tzdb', | |
'generic-no-unicode', | |
'generic-no-wide-characters', | |
'generic-no-rtti', | |
'generic-optimized-speed', | |
'generic-static', | |
'bootstrapping-build' | |
] | |
machine: [ 'libcxx-self-hosted-linux' ] | |
include: | |
- config: 'generic-cxx26' | |
machine: libcxx-self-hosted-linux | |
- config: 'generic-asan' | |
machine: libcxx-self-hosted-linux | |
- config: 'generic-tsan' | |
machine: libcxx-self-hosted-linux | |
- config: 'generic-ubsan' | |
machine: libcxx-self-hosted-linux | |
# Use a larger machine for MSAN to avoid timeout and memory allocation issues. | |
- config: 'generic-msan' | |
machine: libcxx-self-hosted-linux | |
runs-on: ${{ matrix.machine }} | |
container: ghcr.io/llvm/libcxx-linux-builder:0fd6f684b9c84c32d6cbfd9742402e788b2879f1 | |
steps: | |
- uses: actions/checkout@v4 | |
- name: ${{ matrix.config }} | |
run: libcxx/utils/ci/run-buildbot ${{ matrix.config }} | |
env: | |
CC: clang-19 | |
CXX: clang++-19 | |
- uses: actions/upload-artifact@26f96dfa697d77e81fd5907df203aa23a56210a8 # v4.3.0 | |
if: always() | |
with: | |
name: ${{ matrix.config }}-results | |
path: | | |
**/test-results.xml | |
**/*.abilist | |
**/CMakeConfigureLog.yaml | |
**/CMakeError.log | |
**/CMakeOutput.log | |
**/crash_diagnostics/* | |
macos: | |
needs: [ stage1 ] | |
strategy: | |
fail-fast: false | |
matrix: | |
include: | |
- config: generic-cxx03 | |
os: macos-15 | |
- config: generic-cxx23 | |
os: macos-15 | |
- config: generic-modules | |
os: macos-15 | |
- config: apple-configuration | |
os: macos-15 | |
- config: apple-system | |
os: macos-13 | |
- config: apple-system-hardened | |
os: macos-13 | |
runs-on: ${{ matrix.os }} | |
steps: | |
- uses: actions/checkout@v4 | |
- uses: maxim-lobanov/setup-xcode@v1 | |
with: | |
xcode-version: 'latest' | |
- uses: seanmiddleditch/gha-setup-ninja@master | |
- name: Build and test | |
run: | | |
python3 -m venv .venv | |
source .venv/bin/activate | |
python -m pip install psutil | |
bash libcxx/utils/ci/run-buildbot ${{ matrix.config }} | |
- uses: actions/upload-artifact@26f96dfa697d77e81fd5907df203aa23a56210a8 # v4.3.0 | |
if: always() # Upload artifacts even if the build or test suite fails | |
with: | |
name: macos-${{ matrix.config }}-results | |
path: | | |
**/test-results.xml | |
**/*.abilist | |
**/CMakeConfigureLog.yaml | |
**/CMakeError.log | |
**/CMakeOutput.log | |
**/crash_diagnostics/* | |
windows: | |
runs-on: windows-2022 | |
needs: [ stage1 ] | |
strategy: | |
fail-fast: false | |
matrix: | |
include: | |
- { config: clang-cl-dll, mingw: false } | |
- { config: clang-cl-static, mingw: false } | |
- { config: clang-cl-no-vcruntime, mingw: false } | |
- { config: clang-cl-debug, mingw: false } | |
- { config: clang-cl-static-crt, mingw: false } | |
- { config: mingw-dll, mingw: true } | |
- { config: mingw-static, mingw: true } | |
- { config: mingw-dll-i686, mingw: true } | |
- { config: mingw-incomplete-sysroot, mingw: true } | |
steps: | |
- uses: actions/checkout@v4 | |
- name: Install dependencies | |
run: | | |
choco install -y ninja | |
pip install psutil | |
- name: Install a current LLVM | |
if: ${{ matrix.mingw != true }} | |
run: | | |
choco install -y llvm --version=18.1.6 --allow-downgrade | |
- name: Install llvm-mingw | |
if: ${{ matrix.mingw == true }} | |
run: | | |
curl -LO https://github.com/mstorsjo/llvm-mingw/releases/download/20240606/llvm-mingw-20240606-ucrt-x86_64.zip | |
powershell Expand-Archive llvm-mingw*.zip -DestinationPath . | |
del llvm-mingw*.zip | |
mv llvm-mingw* c:\llvm-mingw | |
echo "c:\llvm-mingw\bin" | Out-File -FilePath $Env:GITHUB_PATH -Encoding utf8 -Append | |
- name: Simulate a from-scratch build of llvm-mingw | |
if: ${{ matrix.config == 'mingw-incomplete-sysroot' }} | |
run: | | |
rm -r c:\llvm-mingw\include\c++ | |
rm -r c:\llvm-mingw\*-w64-mingw32\lib\libc++* | |
rm -r c:\llvm-mingw\*-w64-mingw32\lib\libunwind* | |
- name: Add Git Bash to the path | |
run: | | |
echo "c:\Program Files\Git\usr\bin" | Out-File -FilePath $Env:GITHUB_PATH -Encoding utf8 -Append | |
- name: Set up the MSVC dev environment | |
if: ${{ matrix.mingw != true }} | |
uses: ilammy/msvc-dev-cmd@v1 | |
- name: Build and test | |
run: | | |
bash libcxx/utils/ci/run-buildbot ${{ matrix.config }} |