I am compiling the core atmosphere and during compilation I get the following error:

Code: Select all

```
mpas_atm_time_integration.F:5712.11:
use ieee_arithmetic, only : ieee_is_nan
1
Fatal Error: Can't open module file 'ieee_arithmetic.mod' for reading at (1): No such file or directory
make[4]: *** [mpas_atm_time_integration.o] Error 1
make[4]: Leaving directory `/home/collins/MPAS-Model/src/core_atmosphere/dynamics'
make[3]: *** [dycore] Error 2
make[3]: Leaving directory `/home/collins/MPAS-Model/src/core_atmosphere'
make[2]: *** [dycore] Error 2
make[2]: Leaving directory `/home/collins/MPAS-Model/src'
make[1]: *** [mpas_main] Error 2
make[1]: Leaving directory `/home/collins/MPAS-Model'
make: *** [gfortran] Error 2
```

Code: Select all

`make gfortran CORE=atmosphere USE_PIO2=true`

Thank you very much.