build.yml

name: Build

on:
  push:
    branches:
        - '**'

jobs:
  native-build:
    name: 'Native build'
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@main
      with:
        submodules: true
    - name: Check for cache
      id: check-cache
      uses: actions/cache@main
      with:
        key: gcc-14.1.0-1
        lookup-only: true
        path: |
          /tmp/x86_64-linux-gnu.tar.xz
          /tmp/x86_64-linux-gnu.tar.xz.sha256
    - name: Build Atar
      if: ${{ steps.check-cache.outputs.cache-hit != 'true' }}
      run: |
        bash './build.sh' 'native'
    - name: Generate tarball
      if: ${{ steps.check-cache.outputs.cache-hit != 'true' }}
      run: |
        declare tarball_filename='/tmp/x86_64-linux-gnu.tar.xz'
        tar --directory='/tmp' --create --file=- 'atar' | xz --threads='0' --compress -9 > "${tarball_filename}"
        sha256sum "${tarball_filename}" | sed 's|/tmp/||' > "${tarball_filename}.sha256"
    - name: Upload artifact
      if: ${{ steps.check-cache.outputs.cache-hit != 'true' }}
      uses: actions/upload-artifact@main
      with:
        name: native-toolchain
        if-no-files-found: error
        path: |
          /tmp/x86_64-linux-gnu.tar.xz
          /tmp/x86_64-linux-gnu.tar.xz.sha256
    - name: Cache artifact
      if: ${{ steps.check-cache.outputs.cache-hit != 'true' }}
      uses: actions/cache@main
      with:
        key: gcc-14.1.0-1
        path: |
          /tmp/x86_64-linux-gnu.tar.xz
          /tmp/x86_64-linux-gnu.tar.xz.sha256
  
  cross-build:
    name: 'Cross build'
    needs: native-build
    runs-on: ubuntu-latest
    strategy:
      matrix:
        target: [
          'alpha-unknown-linux-gnu',
          'x86_64-unknown-linux-gnu',
          'i386-unknown-linux-gnu',
          'arm-unknown-linux-gnueabi',
          'arm-unknown-linux-gnueabihf',
          'hppa-unknown-linux-gnu',
          'aarch64-unknown-linux-gnu',
          'mips-unknown-linux-gnu',
          'mipsel-unknown-linux-gnu',
          'powerpc-unknown-linux-gnu',
          's390-unknown-linux-gnu',
          's390x-unknown-linux-gnu',
          'sparc-unknown-linux-gnu',
          'powerpc64le-unknown-linux-gnu'
        ]
    steps:
    - uses: actions/checkout@main
      with:
        submodules: true
    - name: Restore from cache
      uses: actions/cache@main
      with:
        key: gcc-14.1.0-1
        fail-on-cache-miss: true
        path: |
          /tmp/x86_64-linux-gnu.tar.xz
          /tmp/x86_64-linux-gnu.tar.xz.sha256
    - name: Setup toolchain
      run: |
        tar --directory='/tmp' --extract --file='/tmp/x86_64-linux-gnu.tar.xz'
        mv '/tmp/atar' '/tmp/atar-toolchain'
    - name: Install Clang 18
      run: |
        wget 'https://apt.llvm.org/llvm.sh'
        sudo bash './llvm.sh' '18'
        
        for old in '/usr/bin/'*'-18'; do
            declare new="$(sed 's/-18//g' <<< "${old}")"
            [ -f "${new}" ] && sudo unlink "${new}"
            sudo ln --symbolic "${old}" "${new}"
        done
    - name: Build Atar with OBGGCC
      continue-on-error: true
      run: |
        source './tools/setup_toolchain.sh'
        source './submodules/obggcc/tools/setup_toolchain.sh'
        
        bash './build.sh' '${{ matrix.target }}'
    - name: Generate tarball
      continue-on-error: true
      run: |
        declare tarball_filename='/tmp/${{ matrix.target }}.tar.xz'
        tar --directory='/tmp' --create --file=- 'atar' | xz --threads='0' --compress -9 > "${tarball_filename}"
        sha256sum "${tarball_filename}" | sed 's|/tmp/||' > "${tarball_filename}.sha256"
    - name: Upload artifact
      continue-on-error: true
      uses: actions/upload-artifact@main
      with:
        name: ${{ matrix.target }}
        if-no-files-found: error
        path: |
          /tmp/${{ matrix.target }}.tar.xz
          /tmp/${{ matrix.target }}.tar.xz.sha256