name: Ubuntu 20.04 CI (GCC 9)

on: [push, pull_request]

jobs:
  ubuntu-build:
    runs-on: ubuntu-20.04
    strategy:
      fail-fast: false
      matrix:
        include:
          # Legacy/x86 compilers cause CI failures.
          #- {cxx: -DCMAKE_CXX_COMPILER=g++-8, arch:                         }
          - {cxx:                           , arch:                         } # default=gcc9
          #- {cxx:                           , arch: -DCMAKE_CXX_FLAGS="-m32"} # default=gcc9
    steps:
      - uses: actions/checkout@v3
      - name: Use cmake
        run: |
          mkdir build &&
          cd build &&
          cmake  ${{matrix.cxx}} ${{matrix.arch}} -DFASTFLOAT_TEST=ON -DCMAKE_INSTALL_PREFIX:PATH=destination ..  &&
          cmake --build .   &&
          ctest --output-on-failure  &&
          cmake --install . &&
          cd ../tests/installation_tests/find &&
          mkdir build && cd build && cmake -DCMAKE_INSTALL_PREFIX:PATH=../../../build/destination .. &&  cmake --build . &&
          cd ../../issue72_installation  &&
          mkdir build && cd build && cmake -DCMAKE_INSTALL_PREFIX:PATH=../../../build/destination .. &&  cmake --build .