Add CI: Linux/macOS/Windows

.github/workflows/dependencies/dependencies.sh

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+#!/usr/bin/env bash
+#
+# Copyright 2020 The AMReX Community
+#
+# License: BSD-3-Clause-LBNL
+# Authors: Axel Huebl
+
+set -eu -o pipefail
+
+sudo apt-get update
+
+sudo apt-get install -y --no-install-recommends\
+    build-essential \
+    g++ gfortran    \
+    libopenmpi-dev  \
+    openmpi-bin

.github/workflows/dependencies/dependencies_clang6.sh

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+#
+# Copyright 2020 The AMReX Community
+#
+# License: BSD-3-Clause-LBNL
+# Authors: Axel Huebl
+
+set -eu -o pipefail
+
+sudo apt-get update
+
+sudo apt-get install -y  \
+    build-essential      \
+    clang gfortran

.github/workflows/dependencies/dependencies_dpcpp.sh

@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+#
+# Copyright 2020 The AMReX Community
+#
+# License: BSD-3-Clause-LBNL
+# Authors: Axel Huebl
+
+set -eu -o pipefail
+
+# Ref.: https://github.com/rscohn2/oneapi-ci
+# intel-basekit intel-hpckit are too large in size
+wget -q -O - https://apt.repos.intel.com/intel-gpg-keys/GPG-PUB-KEY-INTEL-SW-PRODUCTS-2023.PUB \
+  | sudo apt-key add -
+echo "deb https://apt.repos.intel.com/oneapi all main" \
+  | sudo tee /etc/apt/sources.list.d/oneAPI.list
+
+sudo apt-get update
+
+sudo apt-get install -y --no-install-recommends \
+    build-essential \
+    intel-oneapi-dpcpp-cpp-compiler intel-oneapi-mkl-devel \
+    g++ gfortran    \
+    libopenmpi-dev  \
+    openmpi-bin

.github/workflows/dependencies/dependencies_gcc10.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+#
+# Copyright 2020 The AMReX Community
+#
+# License: BSD-3-Clause-LBNL
+# Authors: Axel Huebl
+
+set -eu -o pipefail
+
+sudo add-apt-repository ppa:ubuntu-toolchain-r/test
+sudo apt-get update
+
+sudo apt-get install -y --no-install-recommends \
+    build-essential    \
+    g++-10 gfortran-10 \
+    libopenmpi-dev     \
+    openmpi-bin

.github/workflows/dependencies/dependencies_hip.sh

@@ -0,0 +1,48 @@
+#!/usr/bin/env bash
+#
+# Copyright 2020 The AMReX Community
+#
+# License: BSD-3-Clause-LBNL
+# Authors: Axel Huebl
+
+# search recursive inside a folder if a file contains tabs
+#
+# @result 0 if no files are found, else 1
+#
+
+set -eu -o pipefail
+
+# Ref.: https://rocmdocs.amd.com/en/latest/Installation_Guide/Installation-Guide.html#ubuntu
+wget -q -O - http://repo.radeon.com/rocm/rocm.gpg.key \
+  | sudo apt-key add -
+echo 'deb [arch=amd64] http://repo.radeon.com/rocm/apt/debian/ xenial main' \
+  | sudo tee /etc/apt/sources.list.d/rocm.list
+
+echo 'export PATH=$PATH:/opt/rocm/bin:/opt/rocm/profiler/bin:/opt/rocm/opencl/bin' \
+  | sudo tee -a /etc/profile.d/rocm.sh
+# we should not need to export HIP_PATH=/opt/rocm/hip with those installs
+
+sudo apt-get update
+
+# Ref.: https://rocmdocs.amd.com/en/latest/Installation_Guide/Installation-Guide.html#installing-development-packages-for-cross-compilation
+# meta-package: rocm-dkms
+# OpenCL: rocm-opencl
+# other: rocm-dev rocm-utils
+sudo apt-get install -y --no-install-recommends \
+    build-essential \
+    gfortran        \
+    libnuma-dev     \
+    libopenmpi-dev  \
+    openmpi-bin     \
+    rocm-dev rocrand
+
+# activate
+#
+source /etc/profile.d/rocm.sh
+hipcc --version
+
+# cmake-easyinstall
+#
+sudo curl -L -o /usr/local/bin/cmake-easyinstall https://git.io/JvLxY
+sudo chmod a+x /usr/local/bin/cmake-easyinstall
+export CEI_SUDO="sudo"

.github/workflows/dependencies/dependencies_mac.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+#
+# Copyright 2020 The AMReX Community
+#
+# License: BSD-3-Clause-LBNL
+# Authors: Axel Huebl
+
+set -eu -o pipefail
+
+brew update
+brew install gfortran || true
+brew install libomp || true
+brew install open-mpi || true

.github/workflows/dependencies/dependencies_nofortran.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+#
+# Copyright 2020 Axel Huebl
+#
+# License: BSD-3-Clause-LBNL
+
+# search recursive inside a folder if a file contains tabs
+#
+# @result 0 if no files are found, else 1
+#
+
+set -eu -o pipefail
+
+sudo apt-get update
+
+sudo apt-get install -y --no-install-recommends\
+    build-essential \
+    g++             \
+    libopenmpi-dev  \
+    openmpi-bin

.github/workflows/dependencies/dependencies_nvcc11.sh

@@ -0,0 +1,41 @@
+#!/usr/bin/env bash
+#
+# Copyright 2020 Axel Huebl
+#
+# License: BSD-3-Clause-LBNL
+
+# search recursive inside a folder if a file contains tabs
+#
+# @result 0 if no files are found, else 1
+#
+
+set -eu -o pipefail
+
+sudo apt-get -qqq update
+sudo apt-get install -y \
+    build-essential     \
+    ca-certificates     \
+    cmake               \
+    g++                 \
+    gfortran            \
+    gnupg               \
+    libopenmpi-dev      \
+    openmpi-bin         \
+    pkg-config          \
+    wget
+
+sudo wget https://developer.download.nvidia.com/compute/cuda/repos/ubuntu1804/x86_64/7fa2af80.pub
+sudo apt-key add 7fa2af80.pub
+echo "deb https://developer.download.nvidia.com/compute/cuda/repos/ubuntu1804/x86_64 /" \
+    | sudo tee /etc/apt/sources.list.d/cuda.list
+sudo apt-get update
+sudo apt-get install -y \
+    cuda-command-line-tools-11-2 \
+    cuda-compiler-11-2           \
+    cuda-cupti-dev-11-2          \
+    cuda-minimal-build-11-2      \
+    cuda-nvml-dev-11-2           \
+    cuda-nvtx-11-2               \
+    libcurand-dev-11-2
+sudo ln -s cuda-11.2 /usr/local/cuda
+

.github/workflows/dependencies/documentation.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+#
+# Copyright 2020 The AMReX Community
+#
+# License: BSD-3-Clause-LBNL
+# Authors: Andrew Myers
+
+set -eu -o pipefail
+
+sudo apt-get update
+
+sudo apt-get install -y --no-install-recommends\
+    build-essential \
+    pandoc \
+    doxygen \
+    texlive \
+    texlive-latex-extra \
+    texlive-lang-cjk \
+    latexmk
+

.github/workflows/linux.yml

@@ -0,0 +1,130 @@
+name: linux
+
+on: [push, pull_request]
+
+jobs:
+  # Build and install libamrex as AMReX CMake project
+  gcc7:
+    name: GNU@7.5
+    runs-on: ubuntu-18.04
+    env: {CXXFLAGS: "-Werror -Wshadow -Woverloaded-virtual -Wunreachable-code -fno-operator-names"}
+    steps:
+    - uses: actions/checkout@v2
+    - name: Dependencies
+      run: .github/workflows/dependencies/dependencies.sh
+    - name: Build & Install
+      run: |
+        cmake -S . -B build             \
+            -DCMAKE_VERBOSE_MAKEFILE=ON
+        cmake --build build -j 2
+
+  gcc10:
+    name: GNU@10.1
+    runs-on: ubuntu-18.04
+    env: {CXXFLAGS: "-Werror -Wno-error=deprecated-declarations -Wshadow -Woverloaded-virtual -Wunreachable-code -fno-operator-names"}
+    steps:
+    - uses: actions/checkout@v2
+    - name: Dependencies
+      run: .github/workflows/dependencies/dependencies_gcc10.sh
+    - name: Build & Install
+      run: |
+        export CC=$(which gcc-10)
+        export CXX=$(which g++-10)
+        cmake -S . -B build             \
+            -DCMAKE_VERBOSE_MAKEFILE=ON
+        cmake --build build -j 2
+
+  clang6:
+    name: Clang@6.0 w/o MPI
+    runs-on: ubuntu-18.04
+    env: {CXXFLAGS: "-Werror -Wshadow -Woverloaded-virtual -Wextra-semi -Wunreachable-code -fno-operator-names -Wno-pass-failed"}
+    steps:
+    - uses: actions/checkout@v2
+    - name: Dependencies
+      run: .github/workflows/dependencies/dependencies_clang6.sh
+    - name: Build & Install
+      run: |
+        export CC=$(which clang)
+        export CXX=$(which clang++)
+        cmake -S . -B build             \
+            -DCMAKE_VERBOSE_MAKEFILE=ON \
+            -DAMReX_MPI=OFF
+        cmake --build build -j 2
+
+# TODO: target_compile_features no known features for CUDA compiler "" version .
+#  nvcc11:
+#    name: CUDA@11.2 GNU@9.3.0
+#    runs-on: ubuntu-20.04
+#    env: {CXXFLAGS: "-fno-operator-names"}
+#    steps:
+#    - uses: actions/checkout@v2
+#    - name: Dependencies
+#      run: .github/workflows/dependencies/dependencies_nvcc11.sh
+#    - name: Build & Install
+#      run: |
+#        export PATH=/usr/local/nvidia/bin:/usr/local/cuda/bin:${PATH}
+#        export LD_LIBRARY_PATH=/usr/local/nvidia/lib:/usr/local/nvidia/lib64:/usr/local/cuda/lib64:${LD_LIBRARY_PATH}
+#        which nvcc || echo "nvcc not in PATH!"
+#
+#        export CC=$(which gcc)
+#        export CXX=$(which g++)
+#        export CUDAHOSTCXX=$(which g++)
+#
+#        cmake -S . -B build             \
+#            -DCMAKE_VERBOSE_MAKEFILE=ON \
+#            -DAMReX_GPU_BACKEND=CUDA    \
+#            -DCMAKE_CUDA_STANDARD=17    \
+#            -DCMAKE_CXX_STANDARD=17     \
+#            -DAMReX_CUDA_ARCH=8.0       \
+#            -DAMReX_CUDA_ERROR_CROSS_EXECUTION_SPACE_CALL=ON \
+#            -DAMReX_CUDA_ERROR_CAPTURE_THIS=ON
+#        cmake --build build -j 2
+
+# TODO: in pybind11
+#   multiple definition of `scalblnl`, `sinhl', `tanhl`, `tanl`, ...
+#  dpcpp:
+#    name: DPCPP GFortran@7.5
+#    runs-on: ubuntu-20.04
+#    env: {CXXFLAGS: "-fno-operator-names"}
+#    steps:
+#    - uses: actions/checkout@v2
+#    - name: Dependencies
+#      run: .github/workflows/dependencies/dependencies_dpcpp.sh
+#    - name: Build & Install
+#      run: |
+#        set +e
+#        source /opt/intel/oneapi/setvars.sh
+#        set -e
+#        cmake -S . -B build                                \
+#            -DCMAKE_VERBOSE_MAKEFILE=ON                    \
+#            -DCMAKE_CXX_COMPILER_ID="Clang"                \
+#            -DCMAKE_CXX_COMPILER_VERSION=12.0              \
+#            -DCMAKE_CXX_STANDARD_COMPUTED_DEFAULT="17"     \
+#            -DAMReX_GPU_BACKEND=SYCL                       \
+#            -DCMAKE_C_COMPILER=$(which clang)              \
+#            -DCMAKE_CXX_COMPILER=$(which dpcpp)
+#        cmake --build build -j 2
+    # note: setting the CXX compiler ID is a work-around for
+    # the 2021.1 DPC++ release / CMake 3.19.0-3.19.1
+    # https://gitlab.kitware.com/cmake/cmake/-/issues/21551#note_869580
+
+  hip:
+    name: HIP ROCm@3.8 GFortran@9.3
+    runs-on: ubuntu-20.04
+    env: {CXXFLAGS: "-fno-operator-names"}
+    steps:
+    - uses: actions/checkout@v2
+    - name: Dependencies
+      run: .github/workflows/dependencies/dependencies_hip.sh
+    - name: Build & Install
+      run: |
+        source /etc/profile.d/rocm.sh
+        hipcc --version
+
+        cmake -S . -B build                                \
+            -DCMAKE_VERBOSE_MAKEFILE=ON                    \
+            -DAMReX_GPU_BACKEND=HIP                        \
+            -DAMReX_AMD_ARCH=gfx900                        \
+            -DCMAKE_C_COMPILER=$(which hipcc)              \
+            -DCMAKE_CXX_COMPILER=$(which hipcc)
+        cmake --build build -j 2

.github/workflows/macos.yml

@@ -0,0 +1,23 @@
+name: macos
+
+on: [push, pull_request]
+
+env:
+  CXXFLAGS: "-Werror -Wshadow -Woverloaded-virtual -Wextra-semi -Wunreachable-code -fno-operator-names -Wno-pass-failed"
+
+jobs:
+  appleclang:
+    name: AppleClang@12.0 w/o MPI
+    runs-on: macos-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Dependencies
+      run: .github/workflows/dependencies/dependencies_mac.sh
+    - name: Build & Install
+      run: |
+        cmake -S . -B build             \
+            -DCMAKE_VERBOSE_MAKEFILE=ON \
+            -DAMReX_MPI=OFF
+        cmake --build build -j 2
+
+# TODO: AppleClang w/ MPI