c9aefe10d7
This patch has pins actions in the libc Github workflows. Hash pinning is a best practice as it ensures we are getting an exact action version, which can help with reproducibility/reliability. It additionally alleviates security concerns as an attacker can modify release assets, potentially giving them access to tokens in privileged workflows.
122 lines
4.2 KiB
YAML
122 lines
4.2 KiB
YAML
# This workflow is for pre-commit testing of the LLVM-libc project.
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name: LLVM-libc Pre-commit Overlay Tests
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permissions:
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contents: read
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on:
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pull_request:
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branches: [ "main" ]
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paths:
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- 'libc/**'
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- '.github/workflows/libc-overlay-tests.yml'
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jobs:
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build:
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runs-on: ${{ matrix.os }}
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strategy:
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# Set fail-fast to false to ensure that feedback is delivered for all matrix combinations.
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fail-fast: false
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matrix:
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build_type: [Debug, Release, MinSizeRel]
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include:
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# TODO: add linux gcc when it is fixed
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- os: ubuntu-24.04
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ccache-variant: sccache
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compiler:
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c_compiler: clang
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cpp_compiler: clang++
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# TODO: remove ccache logic when https://github.com/hendrikmuhs/ccache-action/issues/279 is resolved.
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- os: ubuntu-24.04-arm
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ccache-variant: ccache
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compiler:
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c_compiler: clang
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cpp_compiler: clang++
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- os: windows-2022
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ccache-variant: sccache
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compiler:
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c_compiler: clang-cl
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cpp_compiler: clang-cl
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- os: windows-2025
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ccache-variant: sccache
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compiler:
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c_compiler: clang-cl
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cpp_compiler: clang-cl
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- os: macos-14
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ccache-variant: sccache
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compiler:
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c_compiler: clang
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cpp_compiler: clang++
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steps:
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- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
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# Libc's build is relatively small comparing with other components of LLVM.
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# A fresh linux overlay takes about 180MiB of uncompressed disk space, which can
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# be compressed into ~40MiB. MacOS and Windows overlay builds are less than 10MiB
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# after compression. Limiting the cache size to 1G should be enough.
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# Prefer sccache as it is modern and it has a guarantee to work with MSVC.
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# Do not use direct GHAC access even though it is supported by sccache. GHAC rejects
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# frequent small object writes.
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- name: Setup ccache
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uses: hendrikmuhs/ccache-action@a1209f81afb8c005c13b4296c32e363431bffea5 # v1.2.17
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with:
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max-size: 1G
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key: libc_overlay_build_${{ matrix.os }}_${{ matrix.compiler.c_compiler }}
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variant: ${{ matrix.ccache-variant }}
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# MPFR is required by some of the mathlib tests.
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- name: Prepare dependencies (Ubuntu)
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if: runner.os == 'Linux'
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run: |
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sudo apt-get update
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sudo apt-get install -y libmpfr-dev libgmp-dev libmpc-dev ninja-build
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# Chocolatey is shipped with Windows runners. Windows Server 2025 recommends WinGet.
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# Consider migrating to WinGet when Windows Server 2025 is available.
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- name: Prepare dependencies (Windows)
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if: runner.os == 'Windows'
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run: |
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choco install ninja
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- name: Prepare dependencies (macOS)
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if: runner.os == 'macOS'
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run: |
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brew install ninja
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- name: Set reusable strings
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id: strings
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shell: bash
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run: |
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echo "build-output-dir=${{ github.workspace }}/build" >> "$GITHUB_OUTPUT"
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# Use MinSizeRel to reduce the size of the build.
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# Notice that CMP0141=NEW and MSVC_DEBUG_INFORMATION_FORMAT=Embedded are required
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# by the sccache tool.
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- name: Configure CMake
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run: >
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cmake -B ${{ steps.strings.outputs.build-output-dir }}
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-DCMAKE_CXX_COMPILER=${{ matrix.compiler.cpp_compiler }}
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-DCMAKE_C_COMPILER=${{ matrix.compiler.c_compiler }}
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-DCMAKE_BUILD_TYPE=${{ matrix.build_type }}
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-DCMAKE_C_COMPILER_LAUNCHER=${{ matrix.ccache-variant }}
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-DCMAKE_CXX_COMPILER_LAUNCHER=${{ matrix.ccache-variant }}
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-DCMAKE_POLICY_DEFAULT_CMP0141=NEW
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-DCMAKE_MSVC_DEBUG_INFORMATION_FORMAT=Embedded
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-DLLVM_ENABLE_RUNTIMES=libc
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-G Ninja
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-S ${{ github.workspace }}/runtimes
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- name: Build
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run: >
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cmake
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--build ${{ steps.strings.outputs.build-output-dir }}
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--parallel
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--config MinSizeRel
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--target libc
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- name: Test
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run: >
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cmake
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--build ${{ steps.strings.outputs.build-output-dir }}
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--parallel
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--target check-libc
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