rust-compiler-builder.yml

name: Rust Compiler Builder

on:
  push:
    paths-ignore:
      - '**/README.md'
      - '**/LICENSE'
      - '**/doc/**'
  schedule:
    # https://crontab.guru/
    # At 12:00 AM
    - cron: 0 0 * * *
  workflow_dispatch:
    inputs:
      rust-backtrace:
        description: Enable RUST_BACKTRACE
        required: false
        default: '1'
        type: choice
        options:
          - '0'
          - '1'
      rust-channel:
        description: Set RUST_CHANNEL
        required: false
        default: 'dev'
        type: choice
        options:
          - dev
          - nightly
          - beta
          - stable
      rust-verbose:
        description: Set RUST_VERBOSE
        required: false
        default: '0'
        type: choice
        options:
          - '0'
          - '1'
          - '2'
          - '3'

jobs:
  build:
    name: ${{ matrix.rust-targets }} [${{ matrix.xcode-version }}] [${{ matrix.os }}]
    strategy:
      fail-fast: false
      matrix:
        include:
          # https://github.com/actions/runner-images?tab=readme-ov-file#available-images
          # https://github.com/actions/runner-images/tree/main/images/macos
          # https://developer.apple.com/support/xcode/
          # https://support.apple.com/en-us/100100

          # Regression: rust-host: arm64e-apple-darwin [macos-14]

          - rust-targets: arm64e-apple-darwin
            rust-host: x86_64-apple-darwin
            os: macos-13
            xcode-version: 15.2
            rust-config: configure
            rust-no-debug-assertions: 1
            rust-use-lld: false
            macosx_deployment_target: 11.0

          - rust-targets: arm64e-apple-darwin
            rust-host: aarch64-apple-darwin
            os: macos-14
            xcode-version: 15.4
            rust-config: configure
            rust-no-debug-assertions: 1
            rust-use-lld: true
            macosx_deployment_target: 11.0

          - rust-targets: arm64e-apple-ios
            rust-host: x86_64-apple-darwin
            os: macos-13
            xcode-version: 15.2
            rust-config: configure
            rust-no-debug-assertions: 1
            rust-use-lld: false
            macosx_deployment_target: 11.0
            iphoneos_deployment_target: 15.0

          - rust-targets: arm64e-apple-ios
            rust-host: aarch64-apple-darwin
            os: macos-14
            xcode-version: 15.4
            rust-config: configure
            rust-no-debug-assertions: 1
            rust-use-lld: true
            macosx_deployment_target: 11.0
            iphoneos_deployment_target: 15.0

          - rust-targets: arm64e-apple-tvos
            rust-host: x86_64-apple-darwin
            os: macos-13
            xcode-version: 15.2
            rust-config: configure
            rust-no-debug-assertions: 1
            rust-use-lld: false
            macosx_deployment_target: 11.0
            tvos_deployment_target: 15.0
            rust-configure-args: >-
              --set target.arm64e-apple-tvos.profiler=false

    runs-on: ${{ matrix.os }}
    env:
      # Tools
      SCCACHE_GHA_ENABLED: 'on'
      # The Rust Compiler
      BOOTSTRAP_SKIP_TARGET_SANITY: 1 # TODO: disable BOOTSTRAP_SKIP_TARGET_SANITY when the 1.83 rustc is available
      NO_DEBUG_ASSERTIONS: ${{ matrix.rust-no-debug-assertions}}
      MACOSX_DEPLOYMENT_TARGET: ${{ matrix.macosx_deployment_target }}
      MACOSX_STD_DEPLOYMENT_TARGET: ${{ matrix.macosx_deployment_target }}
      IPHONEOS_DEPLOYMENT_TARGET: ${{ matrix.iphoneos_deployment_target }}
      TVOS_DEPLOYMENT_TARGET: ${{ matrix.tvos_deployment_target }}
      RUST_BACKTRACE: ${{ github.event.inputs.rust-backtrace || '0' }}
      RUST_CHANNEL: ${{ github.event.inputs.rust-channel || 'dev' }}
      RUST_HOST: ${{ matrix.rust-host }}
      RUST_TARGETS: ${{ matrix.rust-targets }}
      RUST_VERBOSE: ${{ github.event.inputs.rust-verbose || '0' }}
      RUST_CONFIGURE_ARGS: ${{ matrix.rust-configure-args }} --set change-id=99999999

    steps:
      - name: Configure Cache Env
        uses: actions/github-script@v7
        with:
          script: |
            core.exportVariable('ACTIONS_CACHE_URL', process.env.ACTIONS_CACHE_URL || '');
            core.exportVariable('ACTIONS_RUNTIME_TOKEN', process.env.ACTIONS_RUNTIME_TOKEN || '');

      - name: Select Xcode ${{ matrix.xcode-version }}
        run: |
          sudo xcode-select -s /Applications/Xcode_${{ matrix.xcode-version }}.app
          sudo xcode-select -p

      - name: Install Ninja
        run: brew install ninja

      - name: Install sccache
        run: brew install sccache

      - name: Install llvm
        if: ${{ matrix.rust-use-lld }}
        run: |
          brew install llvm
          # brew install lld
          echo "PATH=$PATH:/opt/homebrew/opt/llvm/bin:/usr/local/opt/llvm/bin" >> $GITHUB_ENV

      - name: Show System Info
        run: |
          echo "::group::uname"
          uname -a
          echo "::endgroup::"

          echo "::group::env"
          env
          echo "::endgroup::"

          echo "::group::disk space"
          df -h .
          echo "::endgroup::"

          echo "::group::sccache"
          sccache --version
          sccache --show-stats
          echo "::endgroup::"

          echo "::group::cmake"
          cmake --version
          echo "::endgroup::"

          echo "::group::ninja"
          ninja --version
          echo "::endgroup::"

          echo "::group::xcodebuild"
          xcodebuild -version
          echo "::endgroup::"

          echo "::group::xcrun"
          xcrun --show-sdk-path
          echo "::endgroup::"

          echo "::group::clang"
          clang -v
          echo "::endgroup::"

          echo "::group::ld"
          ld -v
          echo "::endgroup::"

          echo "::group::lld"
          lld -flavor ld --version || true
          echo "::endgroup::"

      - name: Checkout
        uses: actions/checkout@v4

      - name: Checkout Rust
        uses: actions/checkout@v4
        with:
          repository: rust-lang/rust
          ref: master
          submodules: true
          path: rust

      - name: Configure Rust
        run: make ${{ matrix.rust-config }}
        env:
          RUST_USE_LLD: ${{ matrix.rust-use-lld }}

      - name: Show config.toml
        run: cat config.toml
        working-directory: ./rust

      - name: Build Rust
        run: make all
        working-directory: ./rust

      - name: Show Target Spec
        run: make show-target-info

      - name: Build Rust dist
        run: make dist
        working-directory: ./rust

      - name: Archive Rust dist
        uses: actions/upload-artifact@v4
        with:
          name: rust-${{ env.RUST_CHANNEL }}-${{ matrix.rust-targets }}-${{ matrix.xcode-version }}-${{ matrix.os }}
          path: ./rust/build/dist/*.xz

      - name: Archive target spec
        uses: actions/upload-artifact@v4
        with:
          name: rust-${{ env.RUST_CHANNEL }}-${{ matrix.rust-targets }}-${{ matrix.xcode-version }}-spec
          path: ./*.json

      - name: Show Build Stats
        run: |
          echo "::group::sccache"
          sccache --show-stats
          echo "::endgroup::"