-V

Show name and version of each compiler pass.

SPARC: 77/90 x86:77

This option prints the name and version of each pass as the compiler executes:

demo% f77 -o scalc -fast -autopar -V scalc.f
f77: WorkShop Compilers 5.0 dev 01 July 1998 FORTRAN 77 5.0
f77pass1: WorkShop Compilers 5.0 dev 01 July 1998 FORTRAN 77 5.0
scalc.f:
 MAIN scalc:
     initial:
     calc1:
     calc2:
     calc3:
iropt: WorkShop Compilers 5.0 dev 01 July 1998
cg: WorkShop Compilers 5.0 dev 01 July 1998
ld: Software Generation Utilities (SGU) SunOS/ELF (LK-1.4 (S/I))

This information will be helpful when discussing problems with Sun service engineers.