CI-unixish.yml

# Syntax reference https://help.github.com/en/actions/reference/workflow-syntax-for-github-actions
# Environment reference https://help.github.com/en/actions/reference/virtual-environments-for-github-hosted-runners
name: CI-unixish

on:
  push:
    branches:
      - 'main'
      - 'releases/**'
      - '2.*'
    tags:
      - '2.*'
  pull_request:

permissions:
  contents: read

jobs:
  build_cmake_boost:

    strategy:
      matrix:
        os: [macos-13, macos-15]  # non-macos platforms are already built with Boost in other contexts
      fail-fast: false # Prefer quick result

    runs-on: ${{ matrix.os }}

    env:
      # TODO: figure out why there are cache misses with PCH enabled
      CCACHE_SLOPPINESS: pch_defines,time_macros

    steps:
      - uses: actions/checkout@v4
        with:
          persist-credentials: false

      - name: ccache
        uses: hendrikmuhs/ccache-action@v1.2
        with:
          key: ${{ github.workflow }}-${{ github.job }}-${{ matrix.os }}

      - name: CMake build on macOS (force Boost)
        run: |
          set -ex
          # make sure we fail when Boost is requested and not available
          # will fail because no package configuration is available
          cmake -S . -B cmake.output.boost-force -G "Unix Makefiles" -DUSE_BOOST=On
          exit $(($? ? 1 : 0))

      # coreutils contains "nproc"
      - name: Install missing software on macos
        run: |
          brew install coreutils boost

      - name: CMake build on macOS (no Boost)
        run: |
          # make sure Boost is not used when disabled even though it is available
          cmake -S . -B cmake.output.boost-no -G "Unix Makefiles" -DUSE_BOOST=Off

      - name: CMake build on macOS (with Boost)
        run: |
          cmake -S . -B cmake.output.boost -G "Unix Makefiles" -DBUILD_TESTS=On -DCMAKE_DISABLE_PRECOMPILE_HEADERS=On -DCMAKE_C_COMPILER_LAUNCHER=ccache -DCMAKE_CXX_COMPILER_LAUNCHER=ccache
          cmake --build cmake.output.boost -- -j$(nproc)