name: CI
on:
push:
pull_request:
workflow_dispatch:
schedule: [cron: "40 1 * * *"]
permissions:
contents: read
jobs:
pre_ci:
uses: dtolnay/.github/.github/workflows/pre_ci.yml@master
test:
name: ${{matrix.name || format('Rust {0}', matrix.rust)}}
needs: pre_ci
if: needs.pre_ci.outputs.continue
runs-on: ${{matrix.runs-on || format('{0}-latest', matrix.os)}}
strategy:
fail-fast: false
matrix:
rust: [nightly, beta, stable, 1.85.0]
os: [ubuntu]
cc: [g++]
flags: ['']
include:
- name: Cargo on macOS
rust: nightly
os: macos
- name: Cargo on Windows (msvc)
rust: nightly-x86_64-pc-windows-msvc
os: windows
- name: Clang
rust: nightly
os: ubuntu
cc: clang++
flags: -std=c++20
- name: Clang (no exceptions)
rust: nightly
os: ubuntu
cc: clang++
flags: -std=c++20 -fno-exceptions
- name: C++14 on Linux
rust: nightly
os: ubuntu
cc: g++
flags: -std=c++14
- name: C++14 on macOS
rust: nightly
os: macos
flags: -std=c++14
- name: C++14 on Windows
rust: nightly-x86_64-pc-windows-msvc
os: windows
flags: /std:c++14
- name: C++17 on Linux
rust: nightly
os: ubuntu
cc: g++
flags: -std=c++17
- name: C++17 on macOS
rust: nightly
os: macos
flags: -std=c++17
- name: C++17 on Windows
rust: nightly-x86_64-pc-windows-msvc
os: windows
flags: /std:c++17
- name: C++20 on Linux
rust: nightly
os: ubuntu
cc: g++
flags: -std=c++20
- name: C++20 on macOS
rust: nightly
os: macos
flags: -std=c++20
runs-on: macos-15
- name: C++20 on Windows
rust: nightly-x86_64-pc-windows-msvc
os: windows
flags: /std:c++20
- name: Pedantic
rust: nightly
os: ubuntu
cc: clang++
flags:
-Weverything
-Wno-c++98-compat
-Wno-c++98-compat-pedantic
-Wno-c++20-compat
-Wno-implicit-int-conversion
-Wno-missing-prototypes
-Wno-padded
-Wno-sign-conversion
-Wno-undefined-func-template
-Wno-unsafe-buffer-usage
-Wno-unused-macros
env:
CXX: ${{matrix.cc}}
CXXFLAGS: ${{matrix.flags}} ${{matrix.os == 'windows' && '/EHsc /WX' || '-Werror -Wall -Wpedantic'}}
RUSTFLAGS: --cfg deny_warnings -Dwarnings
timeout-minutes: 45
steps:
- name: Enable symlinks (windows)
if: matrix.os == 'windows'
run: git config --global core.symlinks true
- uses: actions/checkout@v7
- uses: dtolnay/rust-toolchain@master
with:
toolchain: ${{matrix.rust}}
components: rust-src
- name: Determine test suite subset
run: |
echo RUSTFLAGS=$RUSTFLAGS >> $GITHUB_ENV
echo exclude=--exclude cxx-test-suite >> $GITHUB_OUTPUT
env:
RUSTFLAGS: ${{env.RUSTFLAGS}} ${{matrix.os != 'ubuntu' && github.event_name != 'schedule' && '--cfg skip_ui_tests' || ''}}
id: testsuite
shell: bash
- name: Ignore macOS linker warning
run: echo RUSTFLAGS=${RUSTFLAGS}\ -Alinker_messages >> $GITHUB_ENV
if: matrix.os == 'macos'
- run: cargo run --manifest-path demo/Cargo.toml
- run: cargo test --workspace ${{steps.testsuite.outputs.exclude}}
if: contains(matrix.flags, '-fno-exceptions') == false
- run: cargo check --no-default-features --features alloc
env:
RUSTFLAGS: --cfg compile_error_if_std ${{env.RUSTFLAGS}}
- run: cargo check --no-default-features
env:
RUSTFLAGS: --cfg compile_error_if_alloc --cfg cxx_experimental_no_alloc ${{env.RUSTFLAGS}}
- uses: actions/upload-artifact@v7
if: matrix.os == 'ubuntu' && matrix.rust == 'nightly' && matrix.cc == '' && matrix.flags == '' && always()
with:
name: Cargo.lock
path: Cargo.lock
continue-on-error: true
wasi:
name: WebAssembly
needs: pre_ci
if: needs.pre_ci.outputs.continue
runs-on: ubuntu-latest
timeout-minutes: 45
steps:
- uses: actions/checkout@v7
- uses: dtolnay/rust-toolchain@nightly
with:
targets: wasm32-wasip1
components: rust-src
- uses: dtolnay/install@wasmtime-cli
- run: curl https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-33/wasi-sdk-33.0-x86_64-linux.tar.gz --location --silent --show-error --fail --retry 2 --output ${{runner.temp}}/wasi-sdk-33.0-x86_64-linux.tar.gz
- run: tar xf ${{runner.temp}}/wasi-sdk-33.0-x86_64-linux.tar.gz -C ${{runner.temp}}
- run: cargo build --target=wasm32-wasip1 --manifest-path=demo/Cargo.toml --release
--config='target.wasm32-wasip1.linker="${{runner.temp}}/wasi-sdk-33.0-x86_64-linux/bin/lld"'
--config='target.wasm32-wasip1.rustflags=["-Clink-args=-L${{runner.temp}}/wasi-sdk-33.0-x86_64-linux/share/wasi-sysroot/lib/wasm32-wasip1/eh", "-Clink-args=-lc++abi", "-Clink-args=-lunwind"]'
env:
CXX: ${{runner.temp}}/wasi-sdk-33.0-x86_64-linux/bin/clang++
CXXFLAGS: --sysroot=${{runner.temp}}/wasi-sdk-33.0-x86_64-linux/share/wasi-sysroot
- run: wasmtime --wasm=exceptions target/wasm32-wasip1/release/demo.wasm
emscripten:
name: Emscripten
needs: pre_ci
if: needs.pre_ci.outputs.continue
runs-on: ubuntu-latest
timeout-minutes: 45
steps:
- uses: actions/checkout@v7
- uses: dtolnay/rust-toolchain@nightly
with:
targets: wasm32-unknown-emscripten
components: rust-src
- uses: emscripten-core/setup-emsdk@v16
- run: cargo build --target=wasm32-unknown-emscripten --manifest-path=demo/Cargo.toml --release -Zbuild-std
env:
RUSTFLAGS: -Clink-arg=--emrun ${{env.RUSTFLAGS}}
- name: Create demo.html for demo.js
run: echo '<!DOCTYPE html><script src="demo.js"></script>' > target/wasm32-unknown-emscripten/release/demo.html
- name: Install firefox
uses: browser-actions/setup-firefox@v1
id: setup-firefox
- run: emrun target/wasm32-unknown-emscripten/release/demo.html
--browser=${{steps.setup-firefox.outputs.firefox-path}}
--browser_args=-headless
--safe_firefox_profile
--log_stdout=${{runner.temp}}/demo.log
--timeout=60
--kill_exit
- run: cat ${{runner.temp}}/demo.log
- run: grep --silent blobid ${{runner.temp}}/demo.log
reindeer:
name: Reindeer
runs-on: ubuntu-latest
if: github.event_name != 'pull_request'
timeout-minutes: 45
steps:
- uses: actions/checkout@v7
- uses: dtolnay/rust-toolchain@stable
with:
components: rust-src
- uses: dtolnay/install@reindeer
- run: reindeer buckify
working-directory: third-party
- name: Check reindeer-generated BUCK file up to date
run: git diff --exit-code
bazel:
name: Bazel on ${{matrix.os == 'ubuntu' && 'Linux' || matrix.os == 'macos' && 'macOS' || matrix.os == 'windows' && 'Windows' || '???'}}
runs-on: ${{matrix.os}}-latest
if: github.event_name != 'pull_request'
strategy:
fail-fast: false
matrix:
os: [ubuntu, macos, windows]
timeout-minutes: 45
steps:
- uses: actions/checkout@v7
- name: Disable initramfs update
run: sudo sed -i 's/^update_initramfs=yes$/update_initramfs=no/' /etc/initramfs-tools/update-initramfs.conf
if: matrix.os == 'ubuntu'
- name: Disable man-db update
run: sudo rm -f /var/lib/man-db/auto-update
if: matrix.os == 'ubuntu'
- name: Install lld
run: sudo apt-get install lld
if: matrix.os == 'ubuntu'
- name: Set bazelrc for Windows
run: echo "startup --output_user_root=D:/bzl" > user.bazelrc
if: matrix.os == 'windows'
- run: bazel --version
- run: bazel run demo --verbose_failures --noshow_progress ${{matrix.os == 'macos' && '--xcode_version_config=tools/bazel:github_actions_xcodes' || ''}}
- run: bazel test ... --verbose_failures --noshow_progress ${{matrix.os == 'macos' && '--xcode_version_config=tools/bazel:github_actions_xcodes' || ''}}
- name: Check MODULE.bazel.lock up to date
run: git diff --exit-code
- run: bazel run //third-party:vendor
if: matrix.os == 'ubuntu' || matrix.os == 'macos'
- name: Check third-party/bazel up to date
run: git diff --exit-code
if: matrix.os == 'ubuntu' || matrix.os == 'macos'
buildifier:
name: Buildifier
needs: pre_ci
if: needs.pre_ci.outputs.continue
runs-on: ubuntu-latest
timeout-minutes: 45
steps:
- uses: actions/checkout@v7
- run: go install github.com/bazelbuild/buildtools/buildifier@latest
- run: echo $(go env GOPATH)/bin >> $GITHUB_PATH
- run: git ls-files '*.bzl' '*.bazel' | xargs buildifier
- run: git ls-files ':(glob)**/BUCK' | xargs -n1 buildifier -path BUILD.bazel -lint fix
- name: Check that buildifier wanted no changes
run: git diff --exit-code
minimal:
name: Minimal versions
needs: pre_ci
if: needs.pre_ci.outputs.continue
runs-on: ubuntu-latest
timeout-minutes: 45
steps:
- uses: actions/checkout@v7
- uses: dtolnay/rust-toolchain@nightly
- run: cargo generate-lockfile -Z minimal-versions
- run: cargo check --locked --workspace
doc:
name: Documentation
needs: pre_ci
if: needs.pre_ci.outputs.continue
runs-on: ubuntu-latest
timeout-minutes: 45
env:
RUSTDOCFLAGS: -Dwarnings
steps:
- uses: actions/checkout@v7
- uses: dtolnay/rust-toolchain@nightly
with:
components: rust-src
- uses: dtolnay/install@cargo-docs-rs
- run: cargo docs-rs
- run: cargo docs-rs -p cxx-build
- run: cargo docs-rs -p cxx-gen
- run: cargo docs-rs -p cxxbridge-flags
- run: cargo docs-rs -p cxxbridge-macro
miri:
name: Miri
needs: pre_ci
if: needs.pre_ci.outputs.continue
runs-on: ubuntu-latest
timeout-minutes: 45
steps:
- uses: actions/checkout@v7
- uses: dtolnay/rust-toolchain@miri
- run: cargo miri setup
- run: cargo miri test --test=cxx_string
env:
MIRIFLAGS: -Zmiri-strict-provenance
clippy:
name: Clippy
runs-on: ubuntu-latest
if: github.event_name != 'pull_request'
timeout-minutes: 45
env:
RUSTFLAGS: -Dwarnings
steps:
- uses: actions/checkout@v7
- uses: dtolnay/rust-toolchain@nightly
with:
components: clippy, rust-src
- run: cargo clippy --workspace --tests --exclude demo -- -Dclippy::all -Dclippy::pedantic
- run: cargo clippy --manifest-path demo/Cargo.toml -- -Dclippy::all
clang-tidy:
name: Clang Tidy
runs-on: ubuntu-latest
if: github.event_name != 'pull_request'
timeout-minutes: 45
steps:
- uses: actions/checkout@v7
- name: Disable initramfs update
run: sudo sed -i 's/^update_initramfs=yes$/update_initramfs=no/' /etc/initramfs-tools/update-initramfs.conf
- name: Disable man-db update
run: sudo rm -f /var/lib/man-db/auto-update
- name: Install clang-tidy
run: sudo apt-get update && sudo apt-get install clang-tidy-20
- name: Run clang-tidy
run: clang-tidy-20 src/cxx.cc --warnings-as-errors=*
eslint:
name: ESLint
runs-on: ubuntu-latest
if: github.event_name != 'pull_request'
timeout-minutes: 45
steps:
- uses: actions/checkout@v7
- run: npm install
working-directory: book
- run: npx eslint
working-directory: book
outdated:
name: Outdated
runs-on: ubuntu-latest
if: github.event_name != 'pull_request'
timeout-minutes: 45
steps:
- uses: actions/checkout@v7
- uses: dtolnay/rust-toolchain@stable
- uses: dtolnay/install@cargo-outdated
- run: cargo outdated --workspace --exit-code 1