Suppress warning messages listed by tag name.
SPARC:77 x86:77
Suppress displaying the warning messages specified in the comma-separated list of tag names taglist. If taglist consists of %none, no warnings are suppressed. If taglist consists of %all, all warnings are suppressed (this is equivalent to the -w option.)
Example:
f77 -erroff=WDECL_LOCAL_NOTUSED ink.f
Use the -errtags option to see the tag names associated with warning messages.