---
name: CI

on:
  push:
  pull_request:

jobs:
  crosstool:
    runs-on: ${{ matrix.host }}
    strategy:
      matrix:
        host: ["ubuntu-22.04", "macos-latest"]
    steps:
      - name: "clone"
        uses: actions/checkout@v4
      - name: "prereq Linux"
        if: ${{ runner.os == 'Linux' }}
        run: |
          sudo apt-get install -y gperf help2man libtool-bin meson ninja-build
      - name: "prereq macOS"
        if: ${{ runner.os == 'macOS' }}
        run: |
          brew install autoconf automake bash binutils gawk gnu-sed \
               gnu-tar help2man make ncurses
      - name: "build ct-ng"
        run: |
          if [ "$RUNNER_OS" == "macOS" ]; then
            PATH="$PATH:$(brew --prefix)/opt/binutils/bin"
            export PATH
            CPPFLAGS="-I$(brew --prefix)/opt/ncurses/include -I$(brew --prefix)/opt/gettext/include"
            export CPPFLAGS
            LDFLAGS="-L$(brew --prefix)/opt/ncurses/lib -L$(brew --prefix)/opt/gettext/lib"
            export LDFLAGS
          fi
          ./bootstrap
          ./configure --prefix="$PWD/.local/"
          make
          make install
          tar -cf ct-ng.tar .local/
      - name: "upload ct-ng"
        uses: actions/upload-artifact@v4
        with:
          name: crosstool.${{ matrix.host }}
          path: ct-ng.tar
      - name: "upload config.log"
        uses: actions/upload-artifact@v4
        with:
          name: config.log.${{ matrix.host }}
          path: config.log
        if: ${{ always() }}

  tarballs:
    needs: crosstool
    runs-on: ${{ matrix.host }}
    strategy:
      matrix:
        host: ["ubuntu-22.04"]
    steps:
      - name: "download ct-ng"
        uses: actions/download-artifact@v4
        with:
          name: crosstool.${{ matrix.host }}
      - name: "extract ct-ng"
        run: |
          tar -xf ct-ng.tar
      - name: cache tarballs
        id: cache
        uses: actions/cache@v4
        with:
          path: src.tar
          key: src.tar-${{ hashFiles('.local/share/crosstool-ng/packages') }}-${{ hashFiles('.local/share/crosstool-ng/samples') }}
          restore-keys: |
            src.tar-${{ hashFiles('.local/share/crosstool-ng/packages') }}-
            src.tar-
      - name: extract tarballs
        run: |
          tar -xvf src.tar || true
          touch stamp
      - name: "prereq Linux"
        if: ${{ runner.os == 'Linux' }}
        run: |
          sudo apt-get install -y gperf help2man libtool-bin
          echo "$GITHUB_WORKSPACE/.local/bin" >> "$GITHUB_PATH"
      - name: "ct-ng source"
        run: |
          mkdir -p src
          for sample in aarch64-unknown-linux-gnu arm-picolibc-eabi \
                arm-unknown-linux-musleabi armv6-nommu-linux-uclibcgnueabi \
                x86_64-w64-mingw32; do \
                ct-ng $sample; \
                sed -i -e '/CT_LOG_PROGRESS_BAR/s/y$/n/' .config; \
                sed -i -e '/CT_LOCAL_TARBALLS_DIR/s/HOME/CT_TOP_DIR/' .config; \
                sed -i -e '/CT_PREFIX_DIR/s/HOME/CT_TOP_DIR/' .config; \
                sed -i -e 's/^.*CT_COMP_TOOLS_BISON.*$/CT_COMP_TOOLS_BISON=y/' .config; \
                sed -i -e 's/^.*CT_COMP_TOOLS_M4.*$/CT_COMP_TOOLS_M4=y/' .config; \
                sed -i -e 's/^.*CT_COMP_TOOLS_MAKE.*$/CT_COMP_TOOLS_MAKE=y/' .config; \
                ct-ng olddefconfig; \
                ct-ng source; \
          done
          find src -type f -not -newer stamp -delete -print
          tar -cvf src.tar src

  toolchains:
    needs: [crosstool, tarballs]
    uses: ./.github/workflows/build-toolchains.yml
    with:
      samples: >-
        [
          "aarch64-unknown-linux-gnu",
          "aarch64-unknown-linux-musl",
          "arc-multilib-elf32",
          "arc-multilib-linux-gnu",
          "arc-multilib-linux-uclibc",
          "arm-picolibc-default",
          "arm-unknown-linux-gnueabi",
          "arm-unknown-linux-musleabi",
          "armv6-nommu-linux-uclibcgnueabi",
          "avr",
          "hppa-unknown-linux-gnu",
          "i686-w64-mingw32",
          "loongarch64-unknown-linux-gnu",
          "mips-unknown-elf",
          "mips-unknown-linux-gnu",
          "mips64-unknown-linux-gnu",
          "powerpc-unknown-linux-gnu",
          "powerpc64-unknown-linux-gnu",
          "riscv32-unknown-elf",
          "riscv64-unknown-elf",
          "s390-unknown-linux-gnu",
          "sh-unknown-elf",
          "sparc-unknown-linux-gnu",
          "x86_64-multilib-linux-uclibc",
          "x86_64-unknown-linux-gnu",
          "x86_64-w64-mingw32",
          "xtensa-fsf-linux-uclibc"
        ]

  canadian-cross:
    needs: [toolchains]
    uses: ./.github/workflows/build-toolchains.yml
    with:
      samples: >-
        ["x86_64-w64-mingw32,x86_64-pc-linux-gnu"]
      canadian-cross: true