name: Build Vinix kernel

on:
  pull_request:
    paths-ignore:
      - "**.md"
  push:
    branches:
      - master
    paths-ignore:
      - "**.md"

jobs:
  vinix-build:
    runs-on: ubuntu-20.04
    steps:
      - uses: actions/checkout@v2
      - name: Install dependencies
        run: |
          sudo apt-get update
          sudo apt-get install build-essential meson -y
      - name: Build V
        run: make
      - name: Clone current Vinix
        run: |
          git clone https://github.com/vlang/vinix
          cd vinix && git checkout aa18fc0
      - name: Clone current mlibc
        run: git clone https://github.com/managarm/mlibc.git --depth=1
      - name: Patch mlibc for Vinix
        run: cd mlibc && patch -p1 < ../vinix/patches/mlibc/0001-Vinix-specific-changes.patch || true
      - name: Install mlibc headers
        run: mkdir mlibc-build && cd mlibc-build && meson --cross-file ../vinix/cross_file.txt --prefix=/ -Dheaders_only=true ../mlibc && ninja && mkdir ../mlibc-headers && DESTDIR=`realpath ../mlibc-headers` ninja install
      - name: Attempt to build the Vinix kernel (debug)
        run: cd vinix/kernel && make PROD=false CFLAGS="-D__vinix__ -O2 -g -pipe -I../../mlibc-headers/include" V="../../v" && make clean
      - name: Attempt to build the Vinix kernel (prod)
        run: cd vinix/kernel && make PROD=true  CFLAGS="-D__vinix__ -O2 -g -pipe -I../../mlibc-headers/include" V="../../v" && make clean