http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55534
--- Comment #3 from Harald Anlauf <anlauf at gmx dot de> 2012-12-05 21:43:43 UTC --- (In reply to comment #2) > (See PR 54033 for the patch which originally added this feature.) > > Untested patch. With this patch, the warning is also gone. :-) However, now using the option -Wmissing-include-dirs yields the message: f951: warning: command line option '-Wmissing-include-dirs' is valid for C/C++/ObjC/ObjC++ but not for Fortran [enabled by default] Which might not be intended, although I can live with it. :-) I addition to the patch in comment #2 tried: Index: gcc/fortran/lang.opt =================================================================== --- gcc/fortran/lang.opt (revision 194167) +++ gcc/fortran/lang.opt (working copy) @@ -254,6 +254,10 @@ Fortran Warning Warn on intrinsics not part of the selected standard +Wmissing-include-dirs +Fortran Warning +; Documented in C + Wreal-q-constant Fortran Warning Warn about real-literal-constants with 'q' exponent-letter Now the above warning is gone, but some piece is still missing...