xlf = Fortran for Iceberg
name= xlf
suffices= f77 f90 
maxopt= 3
MPIname= mpxlf
libraries= essl pessl 
SpecificOptions
-qfree[free form]source uses ! for comments, & for continue
-qalias=std[no array alias]only Fortran-permitted array aliasing
-qalias=nopteovrlp[no pointer alias]pointers only used for their single array
-qalias=noaryovrlp[no overlap arrays]no 2 arrays share elements
-qalias=nointptr[no int pointers]no integer pointer declarations