alpine_musl.yml

name: Alpine Linux, musl libc, vanilla LLVM
on:
  - pull_request
  - push

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  test:
    name: Alpine Linux (musl libc)
    runs-on: ubuntu-latest
    container: alpine:3.20
    steps:
      - name: Install prerequisites
        run: apk add ldc git g++ cmake ninja llvm-dev llvm-static compiler-rt libxml2-static zstd-static zlib-static bash grep diffutils make

      - uses: actions/checkout@v4
        with:
          submodules: true
          fetch-depth: 50

      - name: Build LDC bootstrap
        run: |
          ninja --version
          set -eux
          mkdir bootstrap
          cd bootstrap
          cmake -G Ninja .. \
            -DCMAKE_BUILD_TYPE=Release \
            -DCMAKE_INSTALL_PREFIX="/opt/ldc2" \
            -DCMAKE_EXE_LINKER_FLAGS=-static-libstdc++ \
            -DD_COMPILER_FLAGS=-link-defaultlib-shared=false \
            -DBUILD_SHARED_LIBS=OFF
          ninja obj/ldc2.o all
          bin/ldc2 --version
          cd ..

      # TODO: Add '-DLLVM_IS_SHARED=OFF' when static linking is fully supported
      # TSan and XRay do not work.
      - name: Build LDC & LDC D unittests & defaultlib unittest runners
        run: |
          set -eux
          cmake -G Ninja . \
            -DD_COMPILER=./bootstrap/bin/ldmd2 \
            -DCMAKE_BUILD_TYPE=Release \
            -DCMAKE_INSTALL_PREFIX="/opt/ldc2" \
            -DCMAKE_EXE_LINKER_FLAGS=-static-libstdc++ \
            -DD_COMPILER_FLAGS=-link-defaultlib-shared=false \
            -DBUILD_SHARED_LIBS=OFF \
            -DTEST_COMPILER_RT_LIBRARIES="profile;lsan;asan;msan;fuzzer"
          ninja obj/ldc2.o all ldc2-unittest all-test-runners
          bin/ldc2 --version
          ldd bin/ldc2

      - name: Run LDC D unittests
        if: success() || failure()
        run: ctest --output-on-failure -R "ldc2-unittest"

      - name: Run LIT testsuite
        if: success() || failure()
        run: |
          set -eux
          ctest -V -R "lit-tests"

      - name: Run DMD testsuite
        if: success() || failure()
        run: |
          # These two tests require extra flags "-link-defaultlib-debug -frame-pointer=all", https://github.com/ldc-developers/ldc/issues/4694.
          # Run them separately with these flags, and then remove them before running the full testsuite.
          bin/ldc2    -g -L-export-dynamic -link-defaultlib-debug -frame-pointer=all -run tests/dmd/runnable/test17559.d
          bin/ldc2 -O -g -L-export-dynamic -link-defaultlib-debug -frame-pointer=all -run tests/dmd/runnable/test17559.d
          bin/ldc2    -g -L-export-dynamic -link-defaultlib-debug -frame-pointer=all -run tests/dmd/runnable/test19086.d
          bin/ldc2 -O -g -L-export-dynamic -link-defaultlib-debug -frame-pointer=all -run tests/dmd/runnable/test19086.d
          rm tests/dmd/runnable/test17559.d
          rm tests/dmd/runnable/test19086.d
          ctest -V -R "dmd-testsuite"

      - name: Run defaultlib unittests & druntime integration tests
        if: success() || failure()
        run: |
          set -eux
          ctest -j$(nproc) --output-on-failure -E "dmd-testsuite|lit-tests|ldc2-unittest"