name: Android

on: [push, pull_request]

jobs:
  build-android:
    name: NDK-C++${{matrix.std}}-${{matrix.abi}}-${{matrix.build_type}}
    runs-on: ubuntu-latest
    defaults:
      run:
        shell: bash
    strategy:
      fail-fast: true
      matrix:
        std: [98, 11, 14, 17, 20]
        abi: [arm64-v8a, armeabi-v7a, x86_64, x86]
        build_type: [Debug, Release]

    steps:
      - uses: actions/checkout@v2

      - name: Setup Ninja
        uses: ashutoshvarma/setup-ninja@master
        with:
          version: 1.10.0

      - name: Setup C++98 Environment
        if: matrix.std == '98'
        run: |
          echo 'CXXFLAGS=-Wno-error=variadic-macros -Wno-error=long-long ${{env.CXXFLAGS}}' >> $GITHUB_ENV

      - name: Configure
        env:
          CXXFLAGS: -Wall -Wextra -Wpedantic -Wsign-conversion -Wtautological-compare -Wformat-nonliteral -Wundef -Werror ${{env.CXXFLAGS}}
        run: |
          cmake -S . -B build_${{matrix.abi}} \
                -DANDROID_ABI=${{matrix.abi}} \
                -DANDROID_NATIVE_API_LEVEL=28 \
                -DANDROID_STL=c++_shared \
                -DCMAKE_BUILD_TYPE=${{matrix.build_type}} \
                -DCMAKE_CXX_EXTENSIONS=OFF \
                -DCMAKE_CXX_STANDARD=${{matrix.std}} \
                -DCMAKE_CXX_STANDARD_REQUIRED=ON \
                -DCMAKE_TOOLCHAIN_FILE=${ANDROID_NDK_HOME}/build/cmake/android.toolchain.cmake \
                -G Ninja \
                -Werror

      - name: Build
        run: |
          cmake --build build_${{matrix.abi}} \
                --config ${{matrix.build_type}}