builds.yml

# Copyright (c) 2010-2024, Lawrence Livermore National Security, LLC. Produced
# at the Lawrence Livermore National Laboratory. All Rights reserved. See files
# LICENSE and NOTICE for details. LLNL-CODE-443271.
#
# This file is part of the GLVis visualization tool and library. For more
# information and source code availability see https://glvis.org.
#
# GLVis is free software; you can redistribute it and/or modify it under the
# terms of the BSD-3 license. We welcome feedback and contributions, see file
# CONTRIBUTING.md for details.

# GLVis - an OpenGL visualization server based on the MFEM library

name: builds

on:
  push:
    branches:
      - master
  pull_request:
  workflow_dispatch:

env:
  HYPRE_ARCHIVE: v2.19.0.tar.gz
  HYPRE_TOP_DIR: hypre-2.19.0
  METIS_ARCHIVE: metis-4.0.3.tar.gz
  METIS_TOP_DIR: metis-4.0.3
  MFEM_TOP_DIR: mfem
  MFEM_BRANCH: master

jobs:
  builds-and-tests:
    strategy:
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
        target: [dbg, opt]
        mpi: [seq]
        build-system: [cmake]
        include:
          - os: ubuntu-latest
            target: opt
            mpi: seq
            build-system: make
          - os: ubuntu-latest
            target: dbg
            mpi: par
            build-system: make
          - os: macos-latest
            target: opt
            mpi: seq
            build-system: make
          - os: macos-latest
            target: dbg
            mpi: par
            build-system: make
    name: ${{ matrix.os }}-${{ matrix.build-system }}-${{ matrix.target }}-${{ matrix.mpi }}

    runs-on: ${{ matrix.os }}

    steps:
    - name: get MPI (Linux)
      if: matrix.os == 'ubuntu-latest' && matrix.mpi == 'par'
      run: |
        sudo apt-get update
        sudo apt-get install mpich libmpich-dev
        export MAKE_CXX_FLAG="MPICXX=mpic++"

    # Keep the following section in case we need it again in the future,
    # see: https://github.com/mfem/mfem/pull/3385#discussion_r1058013032
    # - name: Set up Homebrew
    #   if: matrix.os == 'macos-latest' && matrix.mpi == 'par'
    #   uses: Homebrew/actions/setup-homebrew@master

    - name: get MPI (MacOS)
      if: matrix.os == 'macos-latest' && matrix.mpi == 'par'
      run: |
        export HOMEBREW_NO_INSTALL_CLEANUP=1
        brew install openmpi
        export MAKE_CXX_FLAG="MPICXX=mpic++"

    # Get Hypre through cache, or build it.
    # Install will only run on cache miss.
    - name: cache hypre
      if: matrix.mpi == 'par'
      id: hypre-cache
      uses: actions/cache@v4
      with:
        path: ${{ env.HYPRE_TOP_DIR }}
        key: ${{ runner.os }}-build-${{ env.HYPRE_TOP_DIR }}-v2.2

    - name: build hypre
      if: steps.hypre-cache.outputs.cache-hit != 'true' && matrix.mpi == 'par'
      uses: mfem/github-actions/build-hypre@v2.4
      with:
        archive: ${{ env.HYPRE_ARCHIVE }}
        dir: ${{ env.HYPRE_TOP_DIR }}
        build-system: make

    # Get Metis through cache, or build it.
    # Install will only run on cache miss.
    - name: cache metis
      if: matrix.mpi == 'par'
      id: metis-cache
      uses: actions/cache@v4
      with:
        path: ${{ env.METIS_TOP_DIR }}
        key: ${{ runner.os }}-build-${{ env.METIS_TOP_DIR }}-v2.2

    - name: build metis
      if: steps.metis-cache.outputs.cache-hit != 'true' && matrix.mpi == 'par'
      uses: mfem/github-actions/build-metis@v2.4
      with:
        archive: ${{ env.METIS_ARCHIVE }}
        dir: ${{ env.METIS_TOP_DIR }}

    # make generic links to libraries for MFEM install
    # Those links are already created by build-mfem action, but not when the cache is used...
    - name: configure links
      if: matrix.mpi == 'par'
      run: |
        echo "Hypre symlink:"
        ln -s $HYPRE_TOP_DIR hypre;
        echo "Metis symlink:"
        ln -s $METIS_TOP_DIR metis-4.0;

    - name: MFEM ${{ env.MFEM_BRANCH }} commit
      run: |
        echo "MFEM_COMMIT=$(git ls-remote --heads https://github.com/mfem/mfem.git ${MFEM_BRANCH} | awk '{print $1;}')" >> $GITHUB_ENV

    # Get MFEM through cache, or build it.
    # Install will only run on cache miss.
    - name: cache mfem
      id: cache-mfem
      uses: actions/cache@v4
      with:
        path: ${{ env.MFEM_TOP_DIR }}
        key: ${{ runner.os }}-build-${{ env.MFEM_TOP_DIR }}-${{ env.MFEM_COMMIT }}-${{ matrix.target }}-${{ matrix.build-system}}-v2.4

    # We are using the defaults of the MFEM action here, which is to use master
    # branch. There is an implicit assumption here that mfem master hasn't
    # changed since the 'MFEM master commit' step.
    # Also, if we apply to MFEM build the same target as GLVis. This may be
    # superfluous.
    - name: build mfem
      if: steps.cache-mfem.outputs.cache-hit != 'true'
      uses: mfem/github-actions/build-mfem@v2.4
      with:
        os: ${{ matrix.os }}
        target: ${{ matrix.target }}
        hypre-dir: ${{ env.HYPRE_TOP_DIR }}
        metis-dir: ${{ env.METIS_TOP_DIR }}
        mfem-dir: ${{ env.MFEM_TOP_DIR }}
        mfem-branch: ${{ env.MFEM_BRANCH }}
        build-system: ${{ matrix.build-system }}
        mpi: ${{ matrix.mpi }}
        library-only: true

    # Install GLVis dependencies with package manager
    - name: get deps (Linux)
      if: matrix.os == 'ubuntu-latest'
      run: |
        # We need to add a PPA for SDL 2.0.14 - fixes some initialization
        # errors for X11
        sudo add-apt-repository -y ppa:savoury1/multimedia
        sudo apt-get update
        sudo apt-get install libfontconfig1-dev libfreetype6-dev libsdl2-dev libglew-dev libglm-dev libpng-dev

    # - name: Set up Homebrew
    #   if: matrix.os == 'macos-latest'
    #   uses: Homebrew/actions/setup-homebrew@master

    - name: get deps (MacOS)
      if: matrix.os == 'macos-latest'
      run: |
        export HOMEBREW_NO_INSTALL_CLEANUP=1
        brew install fontconfig freetype sdl2 glew glm libpng

    - name: cache deps (Windows)
      id: cache-deps
      uses: actions/cache@v4
      with:
        path: vcpkg_cache
        key: ${{ runner.os }}-vcpkg-v1

    - name: prepare binary cache location
      if: steps.cache-deps.outputs.cache-hit != 'true'
      run: |
        mkdir -p vcpkg_cache

    - name: checkout GLVis
      uses: actions/checkout@v4
      with:
        path: glvis
        submodules: recursive

    - name: build GLVis (make)
      if: matrix.build-system == 'make'
      run: |
        glvis_target="opt"
        [[ ${{ matrix.target }} == "dbg" ]] && glvis_target="debug";
        cd glvis && make ${glvis_target} -j3

    - name: build GLVis (cmake)
      if: matrix.build-system == 'cmake'
      env:
        VCPKG_DEFAULT_BINARY_CACHE: ${{ github.workspace }}/vcpkg_cache
      run: |
        build_type="Release"
        [[ ${{ matrix.target }} == "dbg" ]] && build_type="Debug";
        [[ ${{ matrix.os }} == "windows-latest" ]] \
          && toolchain_file="${VCPKG_INSTALLATION_ROOT}\\scripts\\buildsystems\\vcpkg.cmake"
        cd glvis && mkdir build && cd build
        cmake \
          -D CMAKE_TOOLCHAIN_FILE:STRING=${toolchain_file} \
          -D CMAKE_BUILD_TYPE:STRING=${build_type} \
          -D ENABLE_TESTS:BOOL=TRUE \
          -D mfem_DIR:PATH=${GITHUB_WORKSPACE}/${MFEM_TOP_DIR}/build \
          -D GLVIS_BASELINE_SYS=${{ matrix.os }} \
          ..
        cmake --build . --parallel 3 --config "${build_type}"
      shell: bash

    - name: setup Python
      if: matrix.build-system == 'cmake'
      uses: actions/setup-python@v5
      with:
        python-version: 3.9

    - name: setup Python packages for testing
      if: matrix.build-system == 'cmake'
      run: |
        python -m pip install --upgrade pip
        pip install scikit-image

    - name: setup Linux testing dependencies
      if: matrix.build-system == 'cmake' && matrix.os == 'ubuntu-latest'
      run: |
        sudo apt-get install xvfb

    - name: test GLVis (cmake/linux)
      if: matrix.build-system == 'cmake' && matrix.os == 'ubuntu-latest'
      run: |
        cd glvis && cd build
        xvfb-run -a ctest --verbose
        tar czvf test_screenshots.tar.gz tests/test.*.png

    - name: test GLVis (cmake/mac)
      if: matrix.build-system == 'cmake' && matrix.os == 'macos-latest'
      run: |
        cd glvis && cd build
        ctest --verbose

    - name: create screenshot tarball
      if: always() && matrix.build-system == 'cmake' && matrix.os != 'windows-latest'
      run: |
        cd glvis && cd build
        tar czvf test_screenshots.tar.gz tests/test.*.png

    - name: upload test screenshots
      if: always() && matrix.build-system == 'cmake' && matrix.os != 'windows-latest'
      uses: actions/upload-artifact@v4
      with:
        name: test-screenshots-${{ matrix.os }}-${{ matrix.target }}-${{ matrix.mpi }}
        path: glvis/build/test_screenshots.tar.gz