main.yml

name: Test builds

on:
  push:
    branches-ignore: djgpp-ppa
  pull_request:

jobs:
  build:
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ ubuntu-latest, macos-latest ]
        build-type: [ clean ]
        env:
          -
            TARGET: i386-pc-msdosdjgpp
            PACKAGES: binutils gcc djgpp-2.05 watt32
          -
            TARGET: i386-pc-msdosdjgpp
            PACKAGES: binutils gcc djgpp-cvs watt32
          -
            TARGET: i386-pc-msdosdjgpp
            PACKAGES: gdb
          -
            TARGET: arm-eabi
            PACKAGES: binutils gcc newlib
          -
            TARGET: arm-eabi
            PACKAGES: gdb
          -
            TARGET: avr
            PACKAGES: binutils gcc avr-libc
          -
            TARGET: avr
            PACKAGES: gdb avarice simulavr avrdude
          -
            TARGET: ia16-elf
            PACKAGES: binutils gcc newlib

    steps:
      - uses: actions/checkout@v3

      - name: Clear brew package cache
        if: contains(matrix.os, 'macos')
        run: |
          rm -rf $(brew --cache)

      - name: Cache brew package cache
        uses: jwt27/cache@dist
        if: contains(matrix.os, 'macos')
        with:
          path: ~/Library/Caches/Homebrew
          key: testbuild-brew-cache-${{ github.sha }}
          restore-keys: |
            testbuild-brew-cache-

      - name: Install dependencies (ubuntu)
        if: contains(matrix.os, 'ubuntu')
        run: |
          sudo add-apt-repository ppa:ubuntu-toolchain-r/test
          sudo apt-get update
          sudo apt-get install bison flex curl make texinfo zlib1g-dev tar bzip2 gzip xz-utils unzip dos2unix libtool-bin gcc-11 g++-11 cmake help2man python2-dev nasm libslang2-dev ccache
          echo "CC=gcc-12" >> $GITHUB_ENV
          echo "CXX=g++-12" >> $GITHUB_ENV
          mkdir -p ~/.ccache
          echo "CCACHE_DIR=~/.ccache" >> $GITHUB_ENV
          echo "/usr/lib/ccache" >> $GITHUB_PATH

      - name: Install dependencies (macos)
        if: contains(matrix.os, 'macos')
        run: |
          brew update
          brew install bash bison flex curl make texinfo zlib bzip2 gzip xz unzip dos2unix libtool cmake help2man nasm s-lang ccache
          mkdir -p ~/.ccache
          echo "CCACHE_DIR=~/.ccache" >> $GITHUB_ENV
          echo "$(brew --prefix)/opt/ccache/libexec" >> $GITHUB_PATH

      - name: Cache sources
        uses: actions/cache@v3
        with:
          path: download
          key: testbuild-sources-${{ matrix.os }}-${{ matrix.env.TARGET }}-${{ matrix.env.PACKAGES }}-${{ github.sha }}
          restore-keys: |
            testbuild-sources-${{ matrix.os }}-${{ matrix.env.TARGET }}-${{ matrix.env.PACKAGES }}-

      - name: Cache ccache
        uses: actions/cache@v3
        with:
          path: ~/.ccache
          key: testbuild-ccache-${{ matrix.os }}-${{ matrix.env.TARGET }}-${{ matrix.env.PACKAGES }}-${{ github.sha }}
          restore-keys: |
            testbuild-ccache-${{ matrix.os }}-${{ matrix.env.TARGET }}-${{ matrix.env.PACKAGES }}-

      - name: Download sources
        env:
          TARGET: ${{ matrix.env.TARGET }}
          PACKAGES: ${{ matrix.env.PACKAGES }}
        run: ./script/select-script.sh --only-download

      - name: Cache build output
        uses: actions/cache@v3
        if: matrix.build-type == 'rebuild'
        id: cache-build
        with:
          path: build
          key: testbuild-build-${{ matrix.os }}-${{ matrix.env.TARGET }}-${{ matrix.env.PACKAGES }}-${{ github.sha }}
          restore-keys: |
            testbuild-build-${{ matrix.os }}-${{ matrix.env.TARGET }}-${{ matrix.env.PACKAGES }}-

      - name: Clean build
        if: matrix.build-type == 'clean'
        env:
          TARGET: ${{ matrix.env.TARGET }}
        run: ./script/select-script.sh --no-download --prefix=${{ github.workspace }}-${{ github.sha }} ${{ matrix.env.PACKAGES }}

      - name: Rebuild
        if: matrix.build-type == 'rebuild'
        env:
          TARGET: ${{ matrix.env.TARGET }}
        run: ./script/select-script.sh --no-download --prefix=${{ github.workspace }} ${{ matrix.env.PACKAGES }}

      - name: Rebuild if uncached
        if: matrix.build-type == 'rebuild' && steps.cache-build.outputs.cache-hit != 'true'
        env:
          TARGET: ${{ matrix.env.TARGET }}
        run: ./script/select-script.sh --no-download --prefix=${{ github.workspace }} ${{ matrix.env.PACKAGES }}

      - name: Clear and pack git sources before caching
        if: matrix.build-type == 'clean'
        run: |
          find download/*/* ! -wholename '*/.git/*' -delete || true
          cd download
          for DIR in */; do
            DIR=${DIR%/}
            tar -c -f $DIR-git.tar $DIR
          done
          rm -rf */