build.yml

name: macos

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

on: [push, pull_request]

jobs:
  build:
    runs-on: macos-11

    steps:
      - name: XCode version
        run: xcode-select -p

      - name: Check out Git repository
        uses: actions/checkout@v4
        with:
          clean: false
          fetch-depth: 0
          filter: tree:0
          show-progress: false

      - uses: actions/setup-python@v4
        with:
          # Note: Python 3.12 removal of `distutils` breaks GLib's build.
          python-version: '3.11'

      - name: Install ccache
        run: |
          wget --progress=dot:mega https://github.com/ccache/ccache/releases/download/v4.9.1/ccache-4.9.1-darwin.tar.gz
          tar xf ccache-4.9.1-darwin.tar.gz
          printf '%s\n' "$PWD/ccache-4.9.1-darwin" >>"${GITHUB_PATH}"

      - name: Homebrew install missing build dependencies
        run: |
          brew install binutils coreutils gnu-getopt grep make
          printf '%s\n' \
            "$(brew --prefix)/opt/make/libexec/gnubin" \
            "$(brew --prefix)/opt/gnu-getopt/bin" \
            "$(brew --prefix)/opt/grep/libexec/gnubin" \
            >>"${GITHUB_PATH}"

      - name: Build cache restore
        id: build-cache-restore
        uses: actions/cache/restore@v3
        with:
          path: /Users/runner/Library/Caches/ccache
          key: ${{ runner.os }}-build-cache-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-build-cache-${{ github.sha }}-
            ${{ runner.os }}-build-cache-

      - name: Build cache post-restore
        run: |
          set -x
          which ccache
          ccache --version
          ccache --zero-stats
          ccache --max-size=256M
          ccache --show-config

      - name: Building in progress…
        id: build
        run: |
          export MACOSX_DEPLOYMENT_TARGET=11;
          make --version
          PROCS="$(getconf _NPROCESSORS_ONLN)"
          export PARALLEL_JOBS="$((PROCS + (PROCS + 1) / 2))"
          export PARALLEL_LOAD="${PROCS}"
          make fetchthirdparty && make

      - name: Build cache pre-save
        if: always()
        run: |
          set -x
          ccache --cleanup >/dev/null
          ccache --show-stats --verbose

      - name: Build cache save
        uses: actions/cache/save@v3
        if: always() && steps.build-cache-restore.outputs.cache-hit != 'true'
        with:
          path: /Users/runner/Library/Caches/ccache
          key: ${{ steps.build-cache-restore.outputs.cache-primary-key }}${{ steps.build.outcome != 'success' && format('-{0}', github.run_attempt) || '' }}