    needs: cache-maker
    runs-on: ubuntu-latest
    strategy:
      matrix:
        cmake_flags: [
          "",
          # optional configurations
          "-D__IO_FLOAT=y -D_IO_FLOAT_EXACT=n -D_WANT_IO_LONG_LONG=y -D_MB_CAPABLE=y -D_MB_EXTENDED_CHARSETS_ALL=y -D_WANT_IO_POS_ARGS=y -D_WANT_MINIMAL_IO_LONG_LONG=y -D_PRINTF_PERCENT_N=y",
        ]
