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main.yml
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name: CI
on: [push, pull_request]
jobs:
buildlibc:
name: Build libc
runs-on: ${{ matrix.os }}
strategy:
matrix:
os: [ubuntu-22.04, macos-15, windows-2025]
clang_version: [10.0.0]
# use different LLVM versions among oses because of the lack of
# official assets on github.
include:
- os: ubuntu-22.04
clang_version: 10.0.0
llvm_asset_suffix: x86_64-linux-gnu-ubuntu-18.04
- os: macos-15
clang_version: 10.0.0
llvm_asset_suffix: x86_64-apple-darwin
- os: windows-2025
clang_version: 10.0.0
- os: ubuntu-22.04
clang_version: 16.0.0
llvm_asset_suffix: x86_64-linux-gnu-ubuntu-18.04
enable_pic: true
- os: macos-15
clang_version: 15.0.7
llvm_asset_suffix: x86_64-apple-darwin21.0
- os: windows-2025
clang_version: 16.0.0
enable_pic: true
- os: ubuntu-24.04-arm
clang_version: 16.0.0
llvm_asset_suffix: aarch64-linux-gnu
enable_pic: true
steps:
- uses: actions/checkout@v4.1.7
with:
submodules: true
- name: Install libtinfo
run: |
set -ex
sudo apt-get update
# Workaround to get libtinfo5 installed on Ubuntu 24.04 taken from
# https://askubuntu.com/questions/1531760/how-to-install-libtinfo5-on-ubuntu24-04
if [[ "${{ matrix.os }}" == *"24"* ]]; then
sudo apt-get install -y libtinfo6
else
sudo apt-get install -y libtinfo5
fi
if: startsWith(matrix.os, 'ubuntu-')
- name: Install LLVM tools (Windows)
shell: bash
run: |
curl -fsSLO https://github.com/llvm/llvm-project/releases/download/llvmorg-${{ matrix.clang_version }}/LLVM-${{ matrix.clang_version }}-win64.exe
7z x LLVM-${{ matrix.clang_version }}-win64.exe -y -o"llvm"
echo "$(pwd)/llvm/bin" >> $GITHUB_PATH
echo "CC=$(pwd)/llvm/bin/clang.exe" >> $GITHUB_ENV
echo "AR=$(pwd)/llvm/bin/llvm-ar.exe" >> $GITHUB_ENV
echo "NM=$(pwd)/llvm/bin/llvm-nm.exe" >> $GITHUB_ENV
if: matrix.os == 'windows-2025'
- name: Override llvm-nm with one from rustup (Windows)
run: |
rustup update stable
rustup default stable
rustup component add llvm-tools-preview
echo "NM=$(rustc --print sysroot|sed 's|C:|/c|'|sed 's|\\|/|g')/lib/rustlib/x86_64-pc-windows-msvc/bin/llvm-nm.exe" >> $GITHUB_ENV
if: matrix.os == 'windows-2025'
- name: Install LLVM tools (MacOS)
shell: bash
run: |
curl -sSfL https://github.com/llvm/llvm-project/releases/download/llvmorg-${{ matrix.clang_version }}/clang+llvm-${{ matrix.clang_version }}-${{ matrix.llvm_asset_suffix }}.tar.xz | tar xJf -
export CLANG_DIR=`pwd`/clang+llvm-${{ matrix.clang_version }}-${{ matrix.llvm_asset_suffix }}/bin
echo "$CLANG_DIR" >> $GITHUB_PATH
echo "CC=$CLANG_DIR/clang" >> $GITHUB_ENV
echo "AR=$CLANG_DIR/llvm-ar" >> $GITHUB_ENV
echo "NM=$CLANG_DIR/llvm-nm" >> $GITHUB_ENV
if: matrix.os == 'macos-15'
- name: Install LLVM tools (Linux)
shell: bash
run: |
curl -sSfL https://github.com/llvm/llvm-project/releases/download/llvmorg-${{ matrix.clang_version }}/clang+llvm-${{ matrix.clang_version }}-${{ matrix.llvm_asset_suffix }}.tar.xz | tar xJf -
export CLANG_DIR=`pwd`/clang+llvm-${{ matrix.clang_version }}-${{ matrix.llvm_asset_suffix }}/bin
echo "$CLANG_DIR" >> $GITHUB_PATH
echo "CLANG_DIR=$CLANG_DIR" >> $GITHUB_ENV
echo "CC=$CLANG_DIR/clang" >> $GITHUB_ENV
echo "AR=$CLANG_DIR/llvm-ar" >> $GITHUB_ENV
echo "NM=$CLANG_DIR/llvm-nm" >> $GITHUB_ENV
if: startsWith(matrix.os, 'ubuntu-')
- name: Disable libsetjmp for old LLVM
shell: bash
run: |
echo "BUILD_LIBSETJMP=no" >> $GITHUB_ENV
if: matrix.clang_version == '10.0.0'
- name: Enable PIC build for new LLVM
shell: bash
run: |
echo "MAKE_TARGETS=default libc_so" >> $GITHUB_ENV
if: matrix.enable_pic
- name: Build libc
shell: bash
run: |
make -j4 TARGET_TRIPLE=wasm32-wasi $MAKE_TARGETS
make -j4 TARGET_TRIPLE=wasm32-wasip1 $MAKE_TARGETS
make -j4 TARGET_TRIPLE=wasm32-wasip2 WASI_SNAPSHOT=p2 $MAKE_TARGETS
- name: Build libc + threads
# Only build the thread-capable wasi-libc in the latest supported Clang
# version; the earliest version does not have all necessary builtins
# (e.g., `__builtin_wasm_memory_atomic_notify`).
if: matrix.clang_version != '10.0.0'
shell: bash
run: |
make -j4 THREAD_MODEL=posix TARGET_TRIPLE=wasm32-wasi-threads
make -j4 THREAD_MODEL=posix TARGET_TRIPLE=wasm32-wasip1-threads
- name: Test
shell: bash
# For Clang linking to work correctly, we need to place Clang's runtime
# library for `wasm32-wasi` in the right location (i.e., the `mkdir` and
# `cp` below).
run: |
cd test
make download
export WASI_DIR=$(realpath $($CLANG_DIR/clang -print-resource-dir)/lib/wasi/)
export WASIP1_DIR=$(realpath $($CLANG_DIR/clang -print-resource-dir)/lib/wasip1/)
export WASIP2_DIR=$(realpath $($CLANG_DIR/clang -print-resource-dir)/lib/wasip2/)
mkdir -p $WASI_DIR $WASIP1_DIR $WASIP2_DIR
cp build/download/libclang_rt.builtins-wasm32.a $WASI_DIR
cp build/download/libclang_rt.builtins-wasm32.a $WASIP1_DIR
cp build/download/libclang_rt.builtins-wasm32.a $WASIP2_DIR
TARGET_TRIPLE=wasm32-wasi make test
TARGET_TRIPLE=wasm32-wasip1 make test
TARGET_TRIPLE=wasm32-wasip2 make test
TARGET_TRIPLE=wasm32-wasi-threads make test
TARGET_TRIPLE=wasm32-wasip1-threads make test
# The older version of Clang does not provide the expected symbol for the
# test entrypoints: `undefined symbol: __main_argc_argv`.
# The older (<15.0.7) version of wasm-ld does not provide `__heap_end`,
# which is required by our malloc implementation.
if: startsWith(matrix.os, 'ubuntu-') && matrix.clang_version != '10.0.0'
- uses: actions/upload-artifact@v4.4.0
with:
# Upload the sysroot folder. To avoid action erros, we give it a unique
# name using the OS it was built for and the Clang version it was built
# with.
name: ${{ format( 'sysroot-{0}-clang-{1}.tgz', matrix.os, matrix.clang_version) }}
path: sysroot
# Disable the headerstest job for now, while WASI transitions from the
# witx snapshots to wit proposals, and we have a few manual edits to the
# generated header to make life easier for folks.
headerstest:
if: ${{ false }} # Disable the headers test for now.
name: wasi-headers test
runs-on: ${{ matrix.os }}
strategy:
matrix:
os: [ubuntu-latest, macos-15, windows-2025]
steps:
- uses: actions/checkout@v4.1.7
with:
submodules: true
- name: Install Rust (rustup)
shell: bash
run: rustup update stable --no-self-update && rustup default stable
if: matrix.os != 'macos-15'
- name: Install Rust (macos)
run: |
curl https://sh.rustup.rs | sh -s -- -y
echo "$HOME/.cargo/bin" >> $GITHUB_PATH
if: matrix.os == 'macos-15'
- run: cargo fetch
working-directory: tools/wasi-headers
- run: cargo build
working-directory: tools/wasi-headers
- run: cargo test
working-directory: tools/wasi-headers
rustfmt:
name: Rustfmt
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v4.1.7
with:
submodules: true
- name: Install Rust
run: rustup update stable && rustup default stable && rustup component add rustfmt
- run: cargo fmt -- --check
working-directory: tools/wasi-headers