>>>> ...
>>>> cd /home/coats/Work/Linux2_x86_64gfort; gfortran -c -DIOAPICPL=1
>>>> -DAUTO_ARRAYS=1 -DF90=1 -DFLDMN=1 -DFSTR_L=int -DIOAPI_NO_STDOUT=1
>>>> -DAVOID_FLUSH=1 -O3 -ffast-math -funroll-loops -m64 -Wall -Wsurprising
>>>> -openmp -I/home/coats/Work/ioapi /home/coats/Work/ioapi/bilin.f
>>>> Warning: Nonconforming tab character in column 1 of line 22

>
> If you actually use the correct name for the options you want, you
> might have better luck. Please read the GCC manual about the -o
> option and the -fopenmp option.
>
> REMOVE:kargl[59] rm bilin.o
> REMOVE:kargl[60] ~/work/bin/gfortran -c -DIOAPICPL=1 -DAUTO_ARRAYS=1 -DF90=1 -DFLDMN=1 -DFSTR_L=int -DIOAPI_NO_STDOUT=1 -DAVOID_FLUSH=1 -O3 -ffast-math -funroll-loops -Wall -Wsurprising -fopenmp bilin.f
> Warning: Nonconforming tab character in column 2 of line 22
> REMOVE:kargl[61] ls bilin*
> bilin.f bilin.o
>