HP Fortran Programmer's Guide (B3908-90031; September 2011)

Chapter 10 219
10 Migrating to HP Fortran
A major feature of HP Fortran is its compatibility with standard-conforming HP FORTRAN 77. Both
source files and object files from existing HP FORTRAN 77 applications can be migrated to
HP Fortran with comparatively little effort. However, some command-line options and nonstandard
extensions in HP FORTRAN 77 programs may have to be changed to compile and execute correctly under