HP-UX 11i Version 1.5 Release Notes, September 2001

Programming
Fortran
Chapter 7 135
Fortran
The HP Fortran for Itanium-based systems is source compatible with the
HP-UX 11i PA Fortran compiler. The differences are
Some command line arguments now conform to the Itanium-based
compiler options use by all HP IPF compilers. Old flags work as well.
Consistent driver flags for some common functionality across all
languages.