cmake.yml

name: CMake CI

on:
  push:
    branches: [master]
  pull_request:
    paths-ignore:
    - '.github/workflows/make.yml'
    - '.gitignore'
    - 'README'
    - '**README'
    - 'LICENSE'
    - '**Makefile'
    - 'SLmake.inc.example'

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

env:
  CFLAGS: "-Wall -pedantic"
  FFLAGS: "-fcheck=all,no-bounds"
  CMAKE_BUILD_TYPE: Release
  MPIEXEC_PREFLAGS: "--oversubscribe"

defaults:
  run:
    shell: bash

jobs:

  build-all:
    name: >
      CMake ${{ matrix.cmake }}
    runs-on: ubuntu-latest
    strategy:
      matrix:
        # CMake versions to test:
        # - minimum and maximum in the `cmake_minimum_required`
        #   (if needed expand this to add all intermediate values
        #    for *temporary* CI testing)
        # - latest version
        cmake: ["3.26", "4.0", latest]
      fail-fast: false
    steps:

    - &checkout
      name: Checkout ScaLAPACK
      uses: actions/checkout@v6

    - &setup-mpi
      name: Setup MPI
      # uses: mpi4py/setup-mpi@v1
      run: |
        sudo apt -y update
        sudo apt -y install openmpi-bin libopenmpi-dev

    - &setup-num
      name: Install BLAS and LAPACK
      run: sudo apt -y install libblas-dev liblapack-dev

    - name: Setup CMake
      uses: jwlawson/actions-setup-cmake@v2
      with:
        cmake-version: ${{ matrix.cmake }}

    - name: CMake configuration
      # TODO: Use cmake presets for newer versions
      # TODO: Simplify the defaults to not require configuration
      run: >
        cmake -B build \
          -G Ninja \
          -DCMAKE_BUILD_TYPE=${{env.CMAKE_BUILD_TYPE}} \
          -DBUILD_SHARED_LIBS=ON \
          -DSCALAPACK_BUILD_TESTS=ON \
          -DMPIEXEC_PREFLAGS=${{env.MPIEXEC_PREFLAGS}}

    - &cmake-build
      name: Build
      run: >
        cmake --build build

    - &cmake-test
      name: Test
      run: >
        ctest --test-dir build --output-on-failure -j $(nproc)

    - &cmake-install
      name: Install
      run: cmake --install build --prefix scalapack_install

  select-precision:
    name: >
      Precision
      ${{ matrix.single && 'single' || '' }}
      ${{ matrix.double && 'double' || '' }}
      ${{ matrix.complex && 'complex' || '' }}
      ${{ matrix.complex16 && 'complex16' || '' }}
    runs-on: ubuntu-latest
    strategy:
      matrix:
        include:
          - single: true
            double: false
            complex: false
            complex16: false
          - single: false
            double: true
            complex: false
            complex16: false
          - single: false
            double: false
            complex: true
            complex16: false
          - single: false
            double: false
            complex: false
            complex16: true
          - single: true
            double: false
            complex: true
            complex16: false
          - single: false
            double: true
            complex: false
            complex16: true
          - single: true
            double: true
            complex: false
            complex16: false
      fail-fast: true

    steps:

    - *checkout
    - *setup-mpi
    - *setup-num

    - name: CMake configuration
      # TODO: Use cmake presets for newer versions
      # TODO: Simplify the defaults to not require configuration
      run: >
        cmake -B build \
          -G Ninja \
          -DBUILD_SHARED_LIBS=ON \
          -DSCALAPACK_BUILD_TESTS=ON \
          -DMPIEXEC_PREFLAGS=${{env.MPIEXEC_PREFLAGS}} \
          -DBUILD_SINGLE:BOOL=${{ matrix.single }} \
          -DBUILD_DOUBLE:BOOL=${{ matrix.double }} \
          -DBUILD_COMPLEX:BOOL=${{ matrix.complex }} \
          -DBUILD_COMPLEX16:BOOL=${{ matrix.complex16 }}

    - *cmake-build

    - *cmake-test

    - *cmake-install

  freebsd:
    runs-on: ubuntu-latest
    steps:
      - *checkout
      - uses: cross-platform-actions/action@v0.29.0
        with:
          operating_system: 'freebsd'
          version: '14.3'
          architecture: 'x86_64'
          run: |
            # Use latest package set
            sudo mkdir -p /usr/local/etc/pkg/repos/
            sudo cp /etc/pkg/FreeBSD.conf /usr/local/etc/pkg/repos/FreeBSD.conf
            sudo sed -i.bak -e 's|/quarterly|/latest|' /usr/local/etc/pkg/repos/FreeBSD.conf

            echo "::group::Dependencies installation"
            sudo -E pkg install -y \
                cmake ninja mpich gcc13 openblas
            echo "::endgroup::"

            echo "::group::CMake configuration"
            cmake -B build -G Ninja \
                -DCMAKE_Fortran_COMPILER="/usr/local/bin/gfortran13"
            echo "::endgroup::"

            echo "::group::Building"
            cmake --build build
            echo "::endgroup::"