# SPDX-License-Identifier: GPL-2.0
#
# Copyright (c) 2021 Canonical Ltd.
# Copyright (c) 2023 Linaro Ltd
# Author: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
#                             <krzk@kernel.org>
#
# Loosely based on: https://github.com/linux-test-project/ltp
#                   https://github.com/linux-nfc/neard
#
name: "Builds"
on:
  pull_request:
  push:
  schedule:
    # Run at 1:01 PM, every Tuesday
    - cron: '1 13 * * 2'
  workflow_dispatch:

jobs:
  job:
    name: Build
    runs-on: ubuntu-latest
    permissions:
      actions: read
      contents: read

    strategy:
      fail-fast: false
      matrix:
        arch: [x86-64]
        family: [x86-64]
        compiler: [gcc, clang]
        container:
          - archlinux:latest
          - debian:testing
          - debian:stable
          - debian:bookworm
          - debian:bullseye
          # Fails on configure on GCC and clang (process restrictions?)
          # - fedora:rawhide
          - fedora:latest
          - fedora:39
          - fedora:38
          - fedora:37
          - ubuntu:jammy
          - ubuntu:focal
          # On Ubuntu Bionic the Meson doesn't support feature options
          #- ubuntu:bionic
          # Meson version on Ubuntu Xenial is really too old
          #- ubuntu:xenial
        cross_compile: [""]
        variant: [""]
        include:
          # Alpine (OpenRC)
          - container: "alpine:edge"
            arch: x86-64
            family: x86-64
            compiler: gcc

          - container: "alpine:latest"
            arch: x86-64
            family: x86-64
            compiler: gcc

          # Debian 32-bit builds
          - container: "debian:testing"
            arch: i386
            family: x86
            compiler: gcc
            cross_compile: i686-linux-gnu
            pkg_config_path: /usr/lib/i386-linux-gnu/pkgconfig
            variant: i386

          - container: "debian:stable"
            arch: i386
            family: x86
            compiler: gcc
            cross_compile: i686-linux-gnu
            pkg_config_path: /usr/lib/i386-linux-gnu/pkgconfig
            variant: i386

          - container: "debian:bookworm"
            arch: i386
            family: x86
            compiler: gcc
            cross_compile: i686-linux-gnu
            pkg_config_path: /usr/lib/i386-linux-gnu/pkgconfig
            variant: i386

          # Debian cross compilation builds
          - container: "debian:testing"
            arch: armhf
            family: arm
            compiler: arm-linux-gnueabihf-gcc
            cross_compile: arm-linux-gnueabihf
            pkg_config_path: /usr/lib/arm-linux-gnueabihf/pkgconfig
            variant: cross-compile

          - container: "debian:testing"
            arch: arm64
            family: aarch64
            compiler: aarch64-linux-gnu-gcc
            cross_compile: aarch64-linux-gnu
            pkg_config_path: /usr/lib/aarch64-linux-gnu/pkgconfig
            variant: cross-compile

          - container: "debian:testing"
            arch: ppc64el
            family: ppc64
            compiler: powerpc64le-linux-gnu-gcc
            cross_compile: powerpc64le-linux-gnu
            pkg_config_path: /usr/lib/powerpc64le-linux-gnu/pkgconfig
            variant: cross-compile

          - container: "debian:testing"
            arch: s390x
            family: s390x
            compiler: s390x-linux-gnu-gcc
            cross_compile: s390x-linux-gnu
            pkg_config_path: /usr/lib/s390x-linux-gnu/pkgconfig
            variant: cross-compile

          - container: "debian:stable"
            arch: armhf
            family: arm
            compiler: arm-linux-gnueabihf-gcc
            cross_compile: arm-linux-gnueabihf
            pkg_config_path: /usr/lib/arm-linux-gnueabihf/pkgconfig
            variant: cross-compile

          - container: "debian:stable"
            arch: arm64
            family: aarch64
            compiler: aarch64-linux-gnu-gcc
            cross_compile: aarch64-linux-gnu
            pkg_config_path: /usr/lib/aarch64-linux-gnu/pkgconfig
            variant: cross-compile

          - container: "debian:stable"
            arch: ppc64el
            family: ppc64
            compiler: powerpc64le-linux-gnu-gcc
            cross_compile: powerpc64le-linux-gnu
            pkg_config_path: /usr/lib/powerpc64le-linux-gnu/pkgconfig
            variant: cross-compile

          - container: "debian:stable"
            arch: s390x
            family: s390x
            compiler: s390x-linux-gnu-gcc
            cross_compile: s390x-linux-gnu
            pkg_config_path: /usr/lib/s390x-linux-gnu/pkgconfig
            variant: cross-compile

    container:
      image: ${{ matrix.container }}
      env:
        ARCH: ${{ matrix.arch }}
        FAMILY: ${{ matrix.family }}
        CC: ${{ matrix.compiler }}
        CROSS_COMPILE: ${{ matrix.cross_compile }}
        PKG_CONFIG_PATH: ${{ matrix.pkg_config_path }}
        VARIANT: ${{ matrix.variant }}

    steps:
    - name: Show OS
      run: cat /etc/os-release

    - name: Show env (matrix settings)
      run: |
        echo "ARCH: $ARCH"
        echo "FAMILY: $FAMILY"
        echo "CC: $CC"
        echo "CROSS_COMPILE: $CROSS_COMPILE"
        echo "VARIANT: $VARIANT"
        echo "PKG_CONFIG_PATH: $PKG_CONFIG_PATH"

    - name: Git checkout
      uses: actions/checkout@v3

    - name: Install additional packages
      run: |
        INSTALL=${{ matrix.container }}
        INSTALL="${INSTALL%%:*}"
        INSTALL="${INSTALL%%/*}"
        ./ci/$INSTALL.sh
        if [ "$VARIANT" ]; then ./ci/$INSTALL.$VARIANT.sh; fi

    - name: Compiler version
      run: $CC --version

    - name: Display environment and Linux version
      run: |
        test -f /etc/issue && cat /etc/issue
        echo "############################################"
        lsb_release -a || true
        echo "############################################"
        cat /usr/include/linux/version.h
        echo "############################################"
        uname -a
        echo "############################################"
        cat /proc/cmdline
        echo "############################################"
        printenv

    # i386 build on x86_64 only requires passing -m32 to CFLAGS & LDFLAGS
    - name: Meson init for i386
      if: ${{ matrix.variant == 'i386' }}
      run: |
        mkdir build
        CFLAGS="-m32" LDFLAGS="-m32" meson setup --errorlogs --werror . build

    - name: Meson init with cross compile
      if: ${{ matrix.variant == 'cross-compile' }}
      run: |
        # Generate cross compile file (see https://mesonbuild.com/Cross-compilation.html#cross-compilation)
        echo "[binaries]" > cross.txt
        echo "c = '${CROSS_COMPILE}-gcc'" >> cross.txt
        echo "strip = '${CROSS_COMPILE}-strip'" >> cross.txt
        # Forcing pkgconfig binary to 'pkg-config' is required for cross build to work
        echo "pkgconfig = 'pkg-config'" >> cross.txt
        echo "[host_machine]" >> cross.txt
        echo "system = 'linux'" >> cross.txt
        echo "cpu_family = '${FAMILY}'" >> cross.txt
        echo "cpu = '${ARCH}'" >> cross.txt
        echo "endian = 'little'" >> cross.txt
        echo "[properties]" >> cross.txt
        echo "pkg_config_libdir = '${PKG_CONFIG_PATH}'" >> cross.txt
        cat cross.txt
        mkdir build
        meson setup --errorlogs --werror --cross-file cross.txt . build

    - name: Meson init
      if: ${{ matrix.variant == '' }}
      run: |
        mkdir build
        meson setup --errorlogs --werror . build

    - name: Compile
      run: ninja -C build

    - name: Install
      run: ninja -C build install