build.yaml

name: Build

on:
  push:
    branches: ["main"]
  pull_request:

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

env:
  CARGO_TERM_COLOR: always

jobs:
  build:
    name:
      Build ${{ matrix.target.description }} ${{ matrix.rust.description }} ${{
      matrix.features.description }}

    runs-on: ubuntu-latest

    strategy:
      fail-fast: false
      matrix:
        target:
          - { target: x86_64-unknown-linux-gnu, description: Native }
          - { target: wasm32-unknown-unknown, description: Web }
          - { target: wasm32v1-none, description: Wasm v1 }
        rust:
          - { version: "1.60", description: MSRV, atomics: false }
          - { version: stable, atomics: false }
          - { version: nightly, atomics: false }
          - {
              version: nightly,
              description: with Atomics,
              atomics: true,
              component: --component rust-src,
              flags: "-Ctarget-feature=+atomics,+bulk-memory",
              build-std: true,
            }
        features:
          - { features: "", no_std: false }
          - { features: --features serde, no_std: false, description: (`serde`) }
          - { features: --no-default-features, no_std: true, description: (`no_std`) }
          - {
              features: --no-default-features --features serde,
              no_std: true,
              description: "(`no_std`, `serde`)",
            }
        exclude:
          - target: { target: x86_64-unknown-linux-gnu, description: Native }
            rust: { version: nightly }
          - target: { target: wasm32-unknown-unknown, description: Web }
            rust: { version: nightly, atomics: false }
          - target: { target: wasm32v1-none, description: Wasm v1 }
            rust: { version: "1.60" }
          - target: { target: wasm32v1-none, description: Wasm v1 }
            rust: { version: stable }
          - target: { target: wasm32v1-none, description: Wasm v1 }
            features: { no_std: false }

    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Install Rust
        run: |
          rustup toolchain install ${{ matrix.rust.version }} --profile minimal ${{ matrix.rust.component }} --target ${{ matrix.target.target }}
          rustup default ${{ matrix.rust.version }}
      - name: Set `build-std` components
        if: matrix.rust.build-std == true && matrix.features.no_std == false
        run: echo "BUILD_STD_COMPONENTS=-Zbuild-std=panic_abort,std" >> $GITHUB_ENV
      - name: Set `build-std` `no_std` components
        if: matrix.rust.build-std == true && matrix.features.no_std == true
        run: echo "BUILD_STD_COMPONENTS=-Zbuild-std=core,alloc" >> $GITHUB_ENV
      - name: Fix MSRV dependencies
        if: matrix.rust.version == '1.60'
        run: |
          cargo update -p bumpalo --precise 3.14.0
          cargo update -p serde --precise 1.0.210
          cargo update -p syn --precise 2.0.67
      - name: Build
        env:
          RUSTFLAGS: ${{ matrix.rust.flags }}
        run:
          cargo build ${{ matrix.features.features }} --target ${{ matrix.target.target }}
          $BUILD_STD_COMPONENTS

  minimal-versions:
    name:
      Minimal Versions ${{ matrix.target.description }} ${{ matrix.rust.description }} ${{
      matrix.features.description }}

    runs-on: ubuntu-latest

    defaults:
      run:
        working-directory: minimal-versions

    strategy:
      fail-fast: false
      matrix:
        target:
          - { target: x86_64-unknown-linux-gnu, description: Native }
          - { target: wasm32-unknown-unknown, description: Web }
          - { target: wasm32v1-none, description: Wasm v1 }
        rust:
          - { version: "1.60", description: MSRV }
          - { version: stable }
          - { version: nightly }
        features:
          - { features: "", no_std: false }
          - { features: --features serde, no_std: false, description: (`serde`) }
          - { features: --no-default-features, no_std: true, description: (`no_std`) }
          - {
              features: --no-default-features --features serde,
              no_std: true,
              description: "(`no_std`, `serde`)",
            }
        exclude:
          - target: { target: x86_64-unknown-linux-gnu, description: Native }
            rust: { version: nightly }
          - target: { target: wasm32-unknown-unknown, description: Web }
            rust: { version: nightly }
          - target: { target: wasm32v1-none, description: Wasm v1 }
            rust: { version: "1.60" }
          - target: { target: wasm32v1-none, description: Wasm v1 }
            rust: { version: stable }
          - target: { target: wasm32v1-none, description: Wasm v1 }
            features: { no_std: false }

    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Install Rust
        run: |
          rustup toolchain install ${{ matrix.rust.version }} --profile minimal --target ${{ matrix.target.target }}
          rustup default ${{ matrix.rust.version }}
      - name: Downgrade to minimal versions
        run: |
          rustup toolchain install nightly --profile minimal
          cargo +nightly update -Z minimal-versions
      - name: Fix Rust nightly incompatible dependencies
        if: matrix.rust.version == 'nightly'
        run: |
          cargo update -p proc-macro2 --precise 1.0.60
      - name: Build
        run: cargo build ${{ matrix.features.features }} --target ${{ matrix.target.target }}