http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52789
--- Comment #2 from Mat Cross <mathewc at nag dot co.uk> 2012-03-30 16:22:34 UTC --- (In reply to comment #1) > So? If I RTM I see: "-Wunused-parameter Contrary to gcc's meaning of -Wunused-parameter, gfortran's implementation of this option does not warn about unused dummy arguments (see -Wunused-dummy-argument), but about unused PARAMETER values. -Wunused-parameter is not included in -Wall but is implied by -Wall -Wextra."