gcc.yml

---
name: GCC C/C++ standards check

on:
  push:
    branches:
      - main
      - releasebranch_*
  pull_request:

jobs:
  build:
    name: ${{ matrix.c }} & ${{ matrix.cpp }}

    concurrency:
      group: ${{ github.workflow }}-${{ github.event_name == 'pull_request' && github.head_ref || github.sha }}-${{
        matrix.c }}-${{ matrix.cpp }}
      cancel-in-progress: true

    runs-on: ubuntu-22.04
    strategy:
      matrix:
        include:
          - c: gnu17
            cpp: c++17
      fail-fast: false

    steps:
      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
      - name: Get dependencies
        run: |
          sudo apt-get update -y
          sudo apt-get install -y wget git gawk findutils
          xargs -a <(awk '! /^ *(#|$)/' ".github/workflows/apt.txt") -r -- \
              sudo apt-get install -y --no-install-recommends --no-install-suggests
      - name: Create installation directory
        run: |
          mkdir $HOME/install
      - name: Ensure one core for compilation
        run: |
          echo "MAKEFLAGS=-j1" >> $GITHUB_ENV
      - name: Set LD_LIBRARY_PATH for compilation
        run: |
          echo "LD_LIBRARY_PATH=$HOME/install/lib" >> $GITHUB_ENV
      - name: Print build environment variables
        shell: bash -el {0}
        run: |
          printenv | sort
          gcc --version
          ldd --version
      - name: Build
        env:
          # TODO: -pedantic-errors here won't go through ./configure (with GNU C)
          CFLAGS: -std=${{ matrix.c }} -fPIC -Wall -Wextra
          # TODO: -pedantic-errors here won't compile
          CXXFLAGS: -std=${{ matrix.cpp }} -fPIC -Wall -Wextra
        run: |
          .github/workflows/build_ubuntu-22.04.sh $HOME/install \
              -isystem/usr/include/gdal -Wpedantic -Werror