https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98754
--- Comment #2 from Eric Reischer <emr-gnu at hev dot psu.edu> --- In that case, this is not a RESOLVED WONTFIX -- this is still open. The documentation and output of "gnatmake --help" need to be updated to reflect the fact this is no longer a valid command line option.