name: Verifying libpng on Linux

on:
  push:
    branches:
      - libpng16
      - libpng18
  pull_request:
    branches:
      - libpng16
      - libpng18

jobs:
  verify-linux:
    runs-on: ubuntu-latest
    timeout-minutes: 10
    steps:
      - name: Install dependencies
        run: |
          sudo apt-get update -qq
          sudo apt-get install -y --no-install-recommends build-essential zlib1g-dev
          if [[ "${{ github.ref }}" != refs/*/libpng16 && "${{ github.base_ref }}" != libpng16 ]]
          then
            sudo apt-get install -y --no-install-recommends autoconf automake libtool m4
          fi
      - name: Check out the code
        uses: actions/checkout@v4
      - name: Run the configure verification script
        run: bash ./ci/ci_verify_configure.sh
        env:
          CI_MAKE_FLAGS: -j2
          CI_SANITIZERS: address,undefined