.github/workflows/ccpp32alpine.yml

name: GCC Rust build and test (Alpine 32-bit)

on:
  push:
    branches:
      - trying
      - staging
  pull_request:
    branches: [ master ]
  merge_group:

env:
  ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION: true

jobs:
  build-alpine-32bit-and-check-alpine-32bit:

    env:
      # Force locale, in particular for reproducible results re '.github/log_expected_warnings' (see below).
      LC_ALL: C.UTF-8

    runs-on: ubuntu-22.04

    steps:
    - uses: actions/checkout@v4
    - name: Setup Alpine Linux (32-bit)
      uses: jirutka/setup-alpine@v1
      with:
        arch: x86
        packages: >
          automake
          autoconf
          libtool
          bison
          flex
          gmp-dev
          mpfr-dev
          mpc1-dev
          build-base
          dejagnu
          curl
          gcompat
          libc6-compat
          libc-dev
          libc++-dev
          cargo

    # - name: Install gcc dependency    
    #   run: |
    #     sudo apt install gcc-multilib g++-multilib libc6-dev-i386
    # - name: Install Rust
    #   run: |
    #     curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --default-toolchain=1.72.0 
    #   shell: alpine.sh {0}

    - name: Install dependencies with gcc
      run: |
         ./contrib/download_prerequisites
      shell: alpine.sh {0}

    - name: Configure
      run: |
           mkdir -p gccrs-build;
           cd gccrs-build;
           ../configure \
               --host=i586-alpine-linux-musl --build=i586-alpine-linux-musl --target=i586-alpine-linux-musl \
               --enable-languages=rust \
               --disable-bootstrap \
               --disable-multilib # Try to disable multilib on alpine https://github.com/conan-io/conan/issues/14307#issuecomment-1652433132
      shell: alpine.sh {0}

    - name: Build
      run: |
           cd gccrs-build; \
           # Add cargo to our path quickly
           # . "$HOME/.cargo/env";
           make -Otarget -j $(nproc) 2>&1 | tee log
      shell: alpine.sh {0}     

    - name: Produce warning logs
      run: |
           cd gccrs-build
           < log grep 'warning: ' | sort > log_warnings
           cat log_warnings
      shell: alpine.sh {0}
    - name: Archive warnings logs
      uses: actions/upload-artifact@v4
      with:
        name: warnings 
        path: |
          gccrs-build/log_warnings
    - name: Check for new warnings
      run: |
           cd gccrs-build
           < log grep 'warning: ' | sort > log_warnings
           if diff -U0 ../.github/alpine_32bit_log_warnings log_warnings; then
               :
           else
               echo 'See <https://github.com/Rust-GCC/gccrs/pull/1026>.'
               exit 1
           fi >&2
      shell: alpine.sh {0}

    - name: Run Tests
      run: |
           cd gccrs-build; \
           make check-rust RUNTESTFLAGS="--target_board=unix\{-m32}"
      shell: alpine.sh {0}

    - name: Archive check-rust results
      uses: actions/upload-artifact@v4
      with:
        name: check-rust-logs
        path: |
          gccrs-build/gcc/testsuite/rust/

    - name: Check regressions
      run: |
           cd gccrs-build; \
           if grep -e "unexpected" -e "unresolved" -e "ERROR:" gcc/testsuite/rust/rust.sum;\
           then \
              echo "::error title=Regression test failed::some tests are not correct"; \
              perl -n ../.github/emit_test_errors.pl < gcc/testsuite/rust/rust.sum; \
              exit 1; \
            else \
              exit 0; \
            fi
      shell: alpine.sh {0}