name: Amalgamate Ubuntu 20.04 CI (GCC 9, 8)

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@v2
      - name: Compile with amalgamation
        run: |
          mkdir build &&
          mkdir build/fast_float &&
          python3 ./script/amalgamate.py > build/fast_float/fast_float.h &&
          cp tests/string_test.cpp build/ &&
          cd build &&
          g++ string_test.cpp