cmake.yml

# inspired by "build GDAL library and to run test with CMake"
# from https://github.com/OSGeo/gdal/blob/master/.github/workflows/cmake_builds.yml

---
name: CMake

on:
  push:
    paths-ignore:
      - 'doc/**'
    branches:
      - main
      - releasebranch_*
  pull_request:
    paths-ignore:
      - 'doc/**'

concurrency:
    group: ${{ github.workflow }}-${{ github.head_ref || github.ref }}
    cancel-in-progress: true

env:
    CMAKE_UNITY_BUILD: OFF

permissions:
    contents: read  #  to fetch code (actions/checkout)

jobs:

    build-cmake:
        runs-on: ubuntu-20.04
        env:
            CMAKE_OPTIONS: -DPython_LOOKUP_VERSION=3.8 -DUSE_CCACHE=ON
            cache-name: cmake-ubuntu-20.04
        steps:
            - name: Checkout GRASS
              uses: actions/checkout@v4.1.1
            - name: Setup cache
              uses: actions/cache@v4.0.2
              id: cache
              with:
                  path: ${{ github.workspace }}/.ccache
                  key: "${{ env.cache-name }}-${{ runner.os }}-${{ github.base_ref }}\
                        ${{ github.ref_name }}-${{ github.run_id }}"
                  restore-keys: |
                    ${{ env.cache-name }}-${{ runner.os }}-${{ github.base_ref }}
                    ${{ env.cache-name }}-${{ runner.os }}
            - name: Install CMake 3.16.0
              run: |
                cd ${GITHUB_WORKSPACE}
                wget https://github.com/Kitware/CMake/releases/download/v3.16.0/cmake-3.16.0-Linux-x86_64.tar.gz
                tar xzf cmake-3.16.0-Linux-x86_64.tar.gz
                echo "CMAKE_DIR=$GITHUB_WORKSPACE/cmake-3.16.0-Linux-x86_64/bin" >> $GITHUB_ENV
                echo "$GITHUB_WORKSPACE/cmake-3.16.0-Linux-x86_64/bin" >> $GITHUB_PATH
            - run: |
                cmake --version
            - name: Install dependencies
              run: |
                sudo add-apt-repository -y ppa:ubuntugis/ubuntugis-unstable
                sudo apt-get update
                sudo apt-get install -y -q build-essential \
                 flex make bison gcc libgcc1 g++ ccache \
                 python3 python3-dev \
                 python3-opengl python3-wxgtk4.0 \
                 python3-dateutil libgsl-dev python3-numpy \
                 wx3.0-headers wx-common libwxgtk3.0-gtk3-dev \
                 libwxbase3.0-dev libbz2-dev zlib1g-dev gettext \
                 libtiff5-dev libpnglite-dev libcairo2 libcairo2-dev \
                 sqlite3 libsqlite3-dev \
                 libpq-dev libreadline6-dev libfreetype6-dev \
                 libfftw3-3 libfftw3-dev \
                 libboost-thread-dev libboost-program-options-dev libpdal-dev\
                 subversion libzstd-dev checkinstall \
                 libglu1-mesa-dev libxmu-dev \
                 ghostscript wget -y make ccache g++
            - run: python -m pip install ninja
            - name: Configure ccache
              run: |
                  echo CCACHE_BASEDIR=$PWD >> ${GITHUB_ENV}
                  echo CCACHE_DIR=$PWD/.ccache >> ${GITHUB_ENV}
                  echo CCACHE_MAXSIZE=250M >> ${GITHUB_ENV}
                  ccache -z
              working-directory: ${{ github.workspace }}
            - name: Configure
              run: |
                cmake ${CMAKE_OPTIONS} -S $GITHUB_WORKSPACE -B $GITHUB_WORKSPACE/build -G Ninja
            - name: Build
              run: |
                cmake --build $GITHUB_WORKSPACE/build --verbose -j$(nproc)
            - name: ccache statistics
              run: ccache -s