clang.yml

# -Wno-c++17-extensions: Clang complains about nodiscard if the standard is not set to c++17.

name: Linux Clang

on: [push, pull_request]

concurrency:
  group: ${{ github.ref }}-${{ github.head_ref }}-linux-clang
  cancel-in-progress: true

jobs:
  # Build and install libamrex as AMReX CMake project
  # Note: this is an intentional "minimal" build that does not enable (many) options
  library_clang:
    name: Clang@6.0 C++14 SP NOMPI Debug [lib]
    runs-on: ubuntu-18.04
    env: {CXXFLAGS: "-fno-operator-names -Werror -Wall -Wextra -Wpedantic -Wnull-dereference -Wfloat-conversion -Wshadow -Woverloaded-virtual -Wextra-semi -Wunreachable-code -Wno-c++17-extensions"}
    steps:
    - uses: actions/checkout@v2
    - name: Dependencies
      run: .github/workflows/dependencies/dependencies_clang6.sh
    - name: Build & Install
      run: |
        mkdir build
        cd build
        cmake ..                        \
            -DCMAKE_BUILD_TYPE=Debug    \
            -DCMAKE_VERBOSE_MAKEFILE=ON \
            -DCMAKE_INSTALL_PREFIX=/tmp/my-amrex      \
            -DAMReX_EB=ON                             \
            -DAMReX_FORTRAN=ON                        \
            -DAMReX_MPI=OFF                           \
            -DAMReX_PARTICLES=ON                      \
            -DAMReX_PLOTFILE_TOOLS=ON                 \
            -DAMReX_PRECISION=SINGLE                  \
            -DAMReX_PARTICLES_PRECISION=SINGLE        \
            -DCMAKE_CXX_STANDARD=14                   \
            -DCMAKE_C_COMPILER=$(which clang)         \
            -DCMAKE_CXX_COMPILER=$(which clang++)     \
            -DCMAKE_Fortran_COMPILER=$(which gfortran)
        make -j 2
        make install
        make test_install

        export PATH=/tmp/my-amrex/bin:$PATH
        which fcompare

        ctest --output-on-failure

  tests_clang:
    name: Clang@6.0 C++14 SP Particles DP Mesh Debug [tests]
    runs-on: ubuntu-18.04
    env: {CXXFLAGS: "-fno-operator-names -Werror -Wall -Wextra -Wpedantic -Wnull-dereference -Wfloat-conversion -Wshadow -Woverloaded-virtual -Wextra-semi -Wunreachable-code -Wno-c++17-extensions -O1"}
      # It's too slow with -O0
    steps:
    - uses: actions/checkout@v2
    - name: Dependencies
      run: .github/workflows/dependencies/dependencies_clang6.sh
    - name: Build & Install
      run: |
        mkdir build
        cd build
        cmake ..                                      \
            -DCMAKE_BUILD_TYPE=Debug                  \
            -DCMAKE_VERBOSE_MAKEFILE=ON               \
            -DAMReX_EB=ON                             \
            -DAMReX_ENABLE_TESTS=ON                   \
            -DAMReX_FORTRAN=ON                        \
            -DAMReX_MPI=OFF                           \
            -DAMReX_PARTICLES=ON                      \
            -DAMReX_PRECISION=DOUBLE                  \
            -DAMReX_PARTICLES_PRECISION=SINGLE        \
            -DCMAKE_CXX_STANDARD=14                   \
            -DCMAKE_C_COMPILER=$(which clang)         \
            -DCMAKE_CXX_COMPILER=$(which clang++)     \
            -DCMAKE_Fortran_COMPILER=$(which gfortran)
        make -j 2

        ctest --output-on-failure -E GhostsAndVirtuals

  # Build 2D libamrex with configure
  configure-2d:
    name: Clang@6.0 NOMPI Release [configure 2D]
    runs-on: ubuntu-18.04
    steps:
    - uses: actions/checkout@v2
    - name: Dependencies
      run: .github/workflows/dependencies/dependencies_clang6.sh
    - name: Build & Install
      run: |
        ./configure --dim 2 --with-fortran no --comp llvm --with-mpi no
        make -j2 WARN_ALL=TRUE WARN_ERROR=TRUE XTRA_CXXFLAGS="-fno-operator-names -Wno-c++17-extensions"
        make install