root-cmakelists.yaml

# Build SuiteSparse using the root CMakeLists.txt

name: root-cmakelists

on:
  workflow_dispatch:
  push:
    branches-ignore:
      - '**/dev2'
      - '**/*dev2'
  pull_request:

concurrency: ci-root-cmakelists-${{ github.ref }}

env:
  # string with name of libraries that are installed
  INSTALLED_LIBS: "SuiteSparse_config:AMD:COLAMD:SPEX"

jobs:

  ubuntu:
    # For available GitHub-hosted runners, see:
    # https://docs.github.com/en/actions/using-github-hosted-runners/about-github-hosted-runners
    runs-on: ubuntu-latest

    name: ubuntu (${{ matrix.compiler }} ${{ matrix.cuda }} CUDA, ${{ matrix.link }})

    strategy:
      # Allow other runners in the matrix to continue if some fail
      fail-fast: false

      matrix:
        compiler: [gcc, clang]
        cuda: [without]
#       cuda: [with, without]
        link: [both]
        include:
          - compiler: gcc
            compiler-pkgs: "g++ gcc"
            cc: "gcc"
            cxx: "g++"
          - compiler: clang
            compiler-pkgs: "clang libomp-dev"
            cc: "clang"
            cxx: "clang++"
          # Clang seems to generally require less cache size (smaller object files?).
          - compiler: gcc
            ccache-max: 600M
          - compiler: clang
            ccache-max: 500M
          - cuda: without
#         - cuda: with
#           cuda-pkgs: "nvidia-cuda-dev nvidia-cuda-toolkit"
#           cuda-cmake-flags:
#             -DSUITESPARSE_USE_CUDA=ON
#             -DSUITESPARSE_USE_STRICT=ON
#             -DCUDAToolkit_INCLUDE_DIRS="/usr/include"
#             -DCMAKE_CUDA_COMPILER_LAUNCHER="ccache"
          - compiler: gcc
            compiler-pkgs: "g++ gcc"
            cc: "gcc"
            cxx: "g++"
            ccache-max: 600M
            cuda: without
#           cuda: with
#           cuda-pkgs: "nvidia-cuda-dev nvidia-cuda-toolkit"
#           cuda-cmake-flags:
#             -DSUITESPARSE_USE_CUDA=ON
#             -DSUITESPARSE_USE_STRICT=ON
#             -DCUDAToolkit_INCLUDE_DIRS="/usr/include"
#             -DCMAKE_CUDA_COMPILER_LAUNCHER="ccache"
            link: static
            link-cmake-flags:
              -DBUILD_SHARED_LIBS=OFF
              -DBUILD_STATIC_LIBS=ON

    env:
      CC: ${{ matrix.cc }}
      CXX: ${{ matrix.cxx }}

    steps:
      - name: get CPU information
        run: lscpu

      - name: checkout repository
        uses: actions/checkout@v4

      - name: install dependencies
        env:
          COMPILER_PKGS: ${{ matrix.compiler-pkgs }}
          CUDA_PKGS: ${{ matrix.cuda-pkgs }}
        run: |
          sudo apt -qq update
          sudo apt install -y ${COMPILER_PKGS} autoconf automake ccache cmake \
            dvipng gfortran libgmp-dev liblapack-dev libmpfr-dev \
            libopenblas-dev ${CUDA_PKGS}

      - name: prepare ccache
        # create key with human readable timestamp
        # used in action/cache/restore and action/cache/save steps
        id: ccache-prepare
        run: |
          echo "key=ccache:ubuntu:root:${{ matrix.compiler }}:${{ matrix.cuda }}:${{ matrix.link }}:${{ github.ref }}:$(date +"%Y-%m-%d_%H-%M-%S"):${{ github.sha }}" >> $GITHUB_OUTPUT

      - name: restore ccache
        # setup the GitHub cache used to maintain the ccache from one job to the next
        uses: actions/cache/restore@v4
        with:
          path: ~/.ccache
          key: ${{ steps.ccache-prepare.outputs.key }}
          # Prefer caches from the same branch. Fall back to caches from the dev branch.
          restore-keys: |
            ccache:ubuntu:root:${{ matrix.compiler }}:${{ matrix.cuda }}:${{ matrix.link }}:${{ github.ref }}
            ccache:ubuntu:root:${{ matrix.compiler }}:${{ matrix.cuda }}:${{ matrix.link }}

      - name: create empty libraries
        # This is to work around a bug in nvlink.
        # See: https://forums.developer.nvidia.com/t/nvlink-fatal-could-not-open-input-file-when-linking-with-empty-static-library/208517
        if: matrix.cuda == 'with'
        run: |
          touch empty.c
          gcc -fPIC -c empty.c -oempty.o
          ar rcsv libdl.a empty.o
          ar rcsv librt.a empty.o
          ar rcsv libpthread.a empty.o
          # overwrite system libraries with "valid" empty libraries
          sudo mv ./libdl.a /usr/lib/x86_64-linux-gnu/libdl.a
          sudo mv ./librt.a /usr/lib/x86_64-linux-gnu/librt.a
          sudo mv ./libpthread.a /usr/lib/x86_64-linux-gnu/libpthread.a

      - name: configure ccache
        env:
          CCACHE_MAX: ${{ matrix.ccache-max }}
        run: |
          test -d ~/.ccache || mkdir ~/.ccache
          echo "max_size = $CCACHE_MAX" >> ~/.ccache/ccache.conf
          echo "compression = true" >> ~/.ccache/ccache.conf
          ccache -s
          echo "/usr/lib/ccache" >> $GITHUB_PATH

      - name: check auto-dependency resolution
        # no need to check this with all runners. One is enough.
        if: ${{ matrix.cc == 'gcc' && matrix.cuda == 'without' }}
        run: |
          mkdir -p ${GITHUB_WORKSPACE}/build-dep && cd ${GITHUB_WORKSPACE}/build-dep
          IFS=':' read -r -a libs <<< "${INSTALLED_LIBS}"
          for lib in "${libs[@]}"; do
            printf "::group::   \033[0;32m==>\033[0m Configuring to build only \033[0;32m${lib}\033[0m\n"
            cmake --fresh \
                  -DCMAKE_BUILD_TYPE="Release" \
                  -DBLA_VENDOR="OpenBLAS" \
                  -DSUITESPARSE_ENABLE_PROJECTS="${lib,,}" \
                  ..
            echo "::endgroup::"
          done

      - name: configure
        run: |
          mkdir -p ${GITHUB_WORKSPACE}/build && cd ${GITHUB_WORKSPACE}/build
          cmake -DCMAKE_BUILD_TYPE="Release" \
                -DCMAKE_INSTALL_PREFIX=".." \
                -DCMAKE_C_COMPILER_LAUNCHER="ccache" \
                -DCMAKE_CXX_COMPILER_LAUNCHER="ccache" \
                -DCMAKE_Fortran_COMPILER_LAUNCHER="ccache" \
                -DBLA_VENDOR="OpenBLAS" \
                -DSUITESPARSE_DEMOS=OFF \
                -DBUILD_TESTING=OFF \
                ${{ matrix.cuda-cmake-flags }} \
                ${{ matrix.link-cmake-flags }} \
                ..

      - name: build libraries
        run: |
          cd ${GITHUB_WORKSPACE}/build
          cmake --build .

      - name: build demos
        run: |
          printf "::group::   \033[0;32m==>\033[0m Configuring for demos\n"
          cd ${GITHUB_WORKSPACE}/build
          cmake -DSUITESPARSE_DEMOS=ON -DBUILD_TESTING=ON ..
          echo "::endgroup::"
          printf "::group::   \033[0;32m==>\033[0m Building demos\n"
          cd ${GITHUB_WORKSPACE}/build
          cmake --build .
          echo "::endgroup::"
          # FIXME: How to run the demos without Makefile?

      - name: ccache status
        continue-on-error: true
        run: ccache -s

      - name: save ccache
        # Save the cache after we are done (successfully) building.
        # This helps to retain the ccache even if the subsequent steps are failing.
        uses: actions/cache/save@v4
        with:
          path: ~/.ccache
          key: ${{ steps.ccache-prepare.outputs.key }}

      - name: check
        run: |
          cd ${GITHUB_WORKSPACE}/build
          ctest . || ctest . --rerun-failed --output-on-failure

      - name: install
        run: |
          printf "\033[0;32m==>\033[0m Installing libraries\n"
          cd ${GITHUB_WORKSPACE}/build
          cmake --install .

      - name: test Config
        run: |
          IFS=':' read -r -a libs <<< "${INSTALLED_LIBS}"
          for lib in "${libs[@]}"; do
            printf "::group::   \033[0;32m==>\033[0m Building Config.cmake with library \033[0;32m${lib}\033[0m\n"
            cd ${GITHUB_WORKSPACE}/TestConfig/${lib}
            cd build
            cmake \
              -DCMAKE_PREFIX_PATH="${GITHUB_WORKSPACE}/lib/cmake" \
              ..
            cmake --build . --config Release
            echo "::endgroup::"
          done


  msvc:
    # For available GitHub-hosted runners, see:
    # https://docs.github.com/en/actions/using-github-hosted-runners/about-github-hosted-runners
    runs-on: windows-latest

    name: msvc (${{ matrix.cc }} ${{ matrix.openmp }} OpenMP ${{ matrix.cuda }} CUDA, ${{ matrix.link }})

    defaults:
      run:
        # Use bash as default shell
        shell: bash -el {0}

    strategy:
      # Allow other runners in the matrix to continue if some fail
      fail-fast: false

      matrix:
        openmp: [with, without]
        cuda: [without]
        link: [both]
        cc: [cl]
        include:
          - openmp: without
            openmp-cmake-flags: "-DSUITESPARSE_USE_OPENMP=OFF"
#         - openmp: with
            cuda: without
#           cuda: with
#           cuda-cmake-flags:
#             -DSUITESPARSE_USE_CUDA=ON
#             -DCMAKE_CUDA_COMPILER_LAUNCHER="ccache"
#           link: both
#           cc: cl
          - openmp: with
            cuda: without
#           cuda: with
#           cuda-cmake-flags:
#             -DSUITESPARSE_USE_CUDA=ON
#             -DCMAKE_CUDA_COMPILER_LAUNCHER="ccache"
            link: static
            link-cmake-flags:
              -DBUILD_SHARED_LIBS=OFF
              -DBUILD_STATIC_LIBS=ON
            cc: cl
          - openmp: with
            cuda: without
            link: both
            cc: clang-cl

    env:
      CHERE_INVOKING: 1

    steps:
      - name: get CPU name
        shell: pwsh
        run : |
          Get-CIMInstance -Class Win32_Processor | Select-Object -Property Name

      - name: checkout repository
        uses: actions/checkout@v4

      - uses: conda-incubator/setup-miniconda@v3
        with:
          auto-update-conda: true

      - name: cache conda packages
        id: conda-cache
        uses: actions/cache/restore@v4
        with:
          path: C:/Miniconda/envs/test
          key: conda:msvc

      - name: install packages with conda
        if: ${{ steps.conda-cache.outputs.cache-hit != 'true' }}
        run: |
          echo ${{ steps.conda-cache.outputs.cache-hit }}
          conda info
          conda list
          conda install -y -c intel mkl-devel
          conda install -y -c conda-forge --override-channels ccache

      - name: save conda cache
        if: ${{ steps.conda-cache.outputs.cache-hit != 'true' }}
        uses: actions/cache/save@v4
        with:
          path: C:/Miniconda/envs/test
          key: ${{ steps.conda-cache.outputs.cache-primary-key }}

      - name: install libraries from MSYS2
        uses: msys2/setup-msys2@v2
        with:
          update: true

          # Use pre-installed version to save disc space on partition with source.
          release: false

          install: >-
            mingw-w64-ucrt-x86_64-gmp
            mingw-w64-ucrt-x86_64-mpfr
            mingw-w64-ucrt-x86_64-python

          msystem: UCRT64

      - uses: Jimver/cuda-toolkit@v0.2.14
        name: install CUDA toolkit
        if: matrix.cuda == 'with'
        id: cuda-toolkit
        with:
          cuda: '12.2.0'
          #See https://docs.nvidia.com/cuda/cuda-installation-guide-microsoft-windows/index.html#install-the-cuda-software
          method: 'local'
          # Do not cache the installer (~3 GiB). It doesn't speed up the
          # installation significantly. And we need the space for ccache.
          use-github-cache: 'false'

      - name: setup build environment
        # get packages from MSYS2
        # Copy only relevant parts to avoid picking up headers and libraries
        # that are thought for MinGW only.
        run: |
          mkdir -p ./dependencies/{bin,lib,include}
          # GMP
          cp C:/msys64/ucrt64/bin/libgmp*.dll ./dependencies/bin/
          cp C:/msys64/ucrt64/include/gmp.h ./dependencies/include/
          cp C:/msys64/ucrt64/lib/libgmp.dll.a ./dependencies/lib/gmp.lib
          # MPFR
          cp C:/msys64/ucrt64/bin/libmpfr*.dll ./dependencies/bin/
          cp C:/msys64/ucrt64/include/mpf2mpfr.h ./dependencies/include/
          cp C:/msys64/ucrt64/include/mpfr.h ./dependencies/include/
          cp C:/msys64/ucrt64/lib/libmpfr.dll.a ./dependencies/lib/mpfr.lib
          # run-time dependencies
          cp C:/msys64/ucrt64/bin/libgcc_s_seh*.dll ./dependencies/bin/
          cp C:/msys64/ucrt64/bin/libwinpthread*.dll ./dependencies/bin/
          # create environment variable for easier access
          echo "CCACHE=C:/Miniconda/envs/test/Library/bin/ccache.exe" >> ${GITHUB_ENV}

      - name: prepare ccache
        # create key with human readable timestamp
        # used in action/cache/restore and action/cache/save steps
        id: ccache-prepare
        shell: msys2 {0}
        run: |
          echo "ccachedir=$(cygpath -m $(${CCACHE} -k cache_dir))" >> $GITHUB_OUTPUT
          echo "key=ccache:msvc:root:${{ matrix.cc }}:${{ matrix.openmp }}:${{ matrix.cuda }}:${{ matrix.link }}:${{ github.ref }}:$(date +"%Y-%m-%d_%H-%M-%S"):${{ github.sha }}" >> $GITHUB_OUTPUT

      - name: restore ccache
        # Setup the GitHub cache used to maintain the ccache from one job to the next
        uses: actions/cache/restore@v4
        with:
          path: ${{ steps.ccache-prepare.outputs.ccachedir }}
          key: ${{ steps.ccache-prepare.outputs.key }}
          # Prefer caches from the same branch. Fall back to caches from the dev branch.
          restore-keys: |
            ccache:msvc:root:${{ matrix.cc }}:${{ matrix.openmp }}:${{ matrix.cuda }}:${{ matrix.link }}:${{ github.ref }}
            ccache:msvc:root:${{ matrix.cc }}:${{ matrix.openmp }}:${{ matrix.cuda }}:${{ matrix.link }}:

      - name: configure ccache
        # Limit the maximum size and switch on compression to avoid exceeding the total disk or cache quota.
        run: |
          test -d ${{ steps.ccache-prepare.outputs.ccachedir }} || mkdir -p ${{ steps.ccache-prepare.outputs.ccachedir }}
          echo "max_size = 250M" > ${{ steps.ccache-prepare.outputs.ccachedir }}/ccache.conf
          echo "compression = true" >> ${{ steps.ccache-prepare.outputs.ccachedir }}/ccache.conf
          ${CCACHE} -p
          ${CCACHE} -s

      - name: setup MSVC toolchain
        uses: ilammy/msvc-dev-cmd@v1

      - name: configure
        run: |
          declare -a _extra_config
          if [ ${{ matrix.cuda }} = 'with' ]; then
            _extra_config+=(-DCUDAToolkit_ROOT="$(cygpath -m "${{ steps.cuda-toolkit.outputs.CUDA_PATH }}")")
            _extra_config+=(-DCMAKE_CUDA_COMPILER="$(cygpath -m "${{ steps.cuda-toolkit.outputs.CUDA_PATH }}")/bin/nvcc.exe")
          fi
          mkdir -p ${GITHUB_WORKSPACE}/build && cd ${GITHUB_WORKSPACE}/build
          cmake -G"Ninja Multi-Config" \
                -DCMAKE_C_COMPILER=${{ matrix.cc }} \
                -DCMAKE_CXX_COMPILER=${{ matrix.cc }} \
                -DCMAKE_BUILD_TYPE="Release" \
                -DCMAKE_INSTALL_PREFIX=".." \
                -DCMAKE_PREFIX_PATH="C:/Miniconda/envs/test/Library;${GITHUB_WORKSPACE}/dependencies" \
                -DCMAKE_C_COMPILER_LAUNCHER="ccache" \
                -DCMAKE_CXX_COMPILER_LAUNCHER="ccache" \
                -DCMAKE_Fortran_COMPILER_LAUNCHER="ccache" \
                -DSUITESPARSE_USE_FORTRAN=OFF \
                -DBLA_VENDOR="All" \
                -DPython_EXECUTABLE="C:/msys64/ucrt64/bin/python.exe" \
                -DSUITESPARSE_DEMOS=OFF \
                -DBUILD_TESTING=OFF \
                ${{ matrix.openmp-cmake-flags }} \
                ${{ matrix.cuda-cmake-flags }} \
                ${{ matrix.link-cmake-flags }} \
                "${_extra_config[@]}" \
                ..

      - name: build libraries
        run: |
          cd ${GITHUB_WORKSPACE}/build
          cmake --build . --config Release

      - name: build demos
        run: |
          printf "::group::   \033[0;32m==>\033[0m Configuring for demos\n"
          cd ${GITHUB_WORKSPACE}/build
          cmake -DSUITESPARSE_DEMOS=ON -DBUILD_TESTING=ON ..
          echo "::endgroup::"
          printf "::group::   \033[0;32m==>\033[0m Building demos\n"
          cd ${GITHUB_WORKSPACE}/build
          cmake --build . --config Release
          echo "::endgroup::"
          # FIXME: How to run the demos without Makefile?

      - name: ccache status
        continue-on-error: true
        run: ${CCACHE} -s

      - name: save ccache
        # Save the cache after we are done (successfully) building
        # This helps to retain the ccache even if the subsequent steps are failing.
        uses: actions/cache/save@v4
        with:
          path: ${{ steps.ccache-prepare.outputs.ccachedir }}
          key: ${{ steps.ccache-prepare.outputs.key }}

      - name: check
        run: |
          cd ${GITHUB_WORKSPACE}/build
          PATH="${GITHUB_WORKSPACE}/bin;${GITHUB_WORKSPACE}/dependencies/bin;C:/msys64/ucrt64/bin;${PATH}" \
            ctest -C Release . || ctest -C Release . --rerun-failed --output-on-failure

      - name: install
        run: |
          printf "\033[0;32m==>\033[0m Installing libraries\n"
          cd ${GITHUB_WORKSPACE}/build
          cmake --install .

      - name: test Config
        run: |
          IFS=':' read -r -a libs <<< "${INSTALLED_LIBS}"
          for lib in "${libs[@]}"; do
            printf "::group::   \033[0;32m==>\033[0m Building with Config.cmake with library \033[0;32m${lib}\033[0m\n"
            cd ${GITHUB_WORKSPACE}/TestConfig/${lib}
            cd build
            cmake -G"Ninja Multi-Config" \
              -DCMAKE_C_COMPILER=${{ matrix.cc }} \
              -DCMAKE_CXX_COMPILER=${{ matrix.cc }} \
              -DCMAKE_PREFIX_PATH="${GITHUB_WORKSPACE}/lib/cmake;C:/Miniconda/envs/test/Library;${GITHUB_WORKSPACE}/dependencies" \
              ..
            cmake --build . --config Release
            echo "::endgroup::"
          done