name: build

on:
  pull_request: {}
  push:
    branches:
      - master

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@ec3a7ce113134d7a93b817d10a8272cb61118579
        with:
          submodules: true

      - name: Install dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y \
              clang libbfd-dev libcap-dev libelf-dev python3-docutils

      - name: Build bpftool
        run: |
          make -j -C src
          ./src/bpftool 2>&1 | grep -q Usage
          ./src/bpftool -p version | \
              tee /dev/stderr | \
              jq --exit-status '.features | .libbfd and .libbpf_strict'

      - name: Build bpftool, with clang
        run: |
          make -C src clean
          LLVM=1 make -j -C src
          ./src/bpftool 2>&1 | grep -q Usage
          ./src/bpftool -p version | \
              tee /dev/stderr | \
              jq --exit-status '.features | .libbfd and .libbpf_strict'

      - name: Build bpftool's documentation
        run: |
          make -j -C docs
          grep -q ".TH BPFTOOL 8" ./docs/bpftool.8