.github/workflows/libc-fullbuild-tests.yml

   1 # This workflow is for pre-commit testing of the LLVM-libc project.
   2 name: LLVM-libc Pre-commit Fullbuild Tests
   3 permissions:
   4   contents: read
   5 on:
   6   pull_request:
   7     branches: [ "main" ]
   8     paths:
   9       - 'libc/**'
  10       - '.github/workflows/libc-fullbuild-tests.yml'
  11
  12 jobs:
  13   build:
  14     runs-on: ubuntu-24.04
  15     strategy:
  16       fail-fast: false
  17       matrix:
  18         include:
  19           - c_compiler: clang
  20             cpp_compiler: clang++
  21           # TODO: add back gcc build when it is fixed
  22           # - c_compiler: gcc
  23           #   cpp_compiler: g++
  24     steps:
  25     - uses: actions/checkout@v4
  26
  27     # Libc's build is relatively small comparing with other components of LLVM.
  28     # A fresh fullbuild takes about 190MiB of uncompressed disk space, which can
  29     # be compressed into ~40MiB. Limiting the cache size to 1G should be enough.
  30     # Prefer sccache as it is more modern.
  31     # Do not use direct GHAC access even though it is supported by sccache. GHAC rejects
  32     # frequent small object writes.
  33     - name: Setup ccache
  34       uses: hendrikmuhs/ccache-action@v1.2
  35       with:
  36         max-size: 1G
  37         key: libc_fullbuild_${{ matrix.c_compiler }}
  38         variant: sccache
  39
  40     # Notice:
  41     # - MPFR is required by some of the mathlib tests.
  42     # - Debian has a multilib setup, so we need to symlink the asm directory.
  43     #   For more information, see https://wiki.debian.org/Multiarch/LibraryPathOverview
  44     - name: Prepare dependencies (Ubuntu)
  45       run: |
  46         sudo apt-get update
  47         sudo apt-get install -y libmpfr-dev libgmp-dev libmpc-dev ninja-build linux-libc-dev
  48         sudo ln -sf /usr/include/$(uname -p)-linux-gnu/asm /usr/include/asm
  49
  50     - name: Set reusable strings
  51       id: strings
  52       shell: bash
  53       run: |
  54         echo "build-output-dir=${{ github.workspace }}/build" >> "$GITHUB_OUTPUT"
  55         echo "build-install-dir=${{ github.workspace }}/install" >> "$GITHUB_OUTPUT"
  56
  57     # Configure libc fullbuild with scudo.
  58     # Use MinSizeRel to reduce the size of the build.
  59     - name: Configure CMake
  60       run: >
  61         cmake -B ${{ steps.strings.outputs.build-output-dir }}
  62         -DCMAKE_CXX_COMPILER=${{ matrix.cpp_compiler }}
  63         -DCMAKE_C_COMPILER=${{ matrix.c_compiler }}
  64         -DCMAKE_BUILD_TYPE=MinSizeRel
  65         -DCMAKE_C_COMPILER_LAUNCHER=sccache
  66         -DCMAKE_CXX_COMPILER_LAUNCHER=sccache
  67         -DCMAKE_INSTALL_PREFIX=${{ steps.strings.outputs.build-install-dir }}
  68         -DLLVM_ENABLE_RUNTIMES="libc;compiler-rt"
  69         -DLLVM_LIBC_FULL_BUILD=ON
  70         -DLLVM_LIBC_INCLUDE_SCUDO=ON
  71         -DCOMPILER_RT_BUILD_SCUDO_STANDALONE_WITH_LLVM_LIBC=ON
  72         -DCOMPILER_RT_BUILD_GWP_ASAN=OFF
  73         -DCOMPILER_RT_SCUDO_STANDALONE_BUILD_SHARED=OFF
  74         -G Ninja
  75         -S ${{ github.workspace }}/runtimes
  76
  77     - name: Build
  78       run: >
  79         cmake
  80         --build ${{ steps.strings.outputs.build-output-dir }}
  81         --parallel
  82         --target install
  83
  84     - name: Test
  85       run: >
  86         cmake
  87         --build ${{ steps.strings.outputs.build-output-dir }}
  88         --parallel
  89         --target check-libc