On Fri, 14 Aug 2015, Thomas Schwinge wrote: > Can you suggest off-hand where you'd expect this option filtering to > happen? Should this be during specs parsing in the driver; something > like adding a lang_mask to gcc/gcc.c:struct switchstr, and then in > gcc/gcc.c:give_switch ignore any switches that don't match the expected > CL_*? I seem to have difficulties to properly populate/deduce that > lang_mask at the call sites of gcc/gcc.c:save_switch. Or, did you > imagine that to be done differently?
I don't have a particular design in mind; I was simply noting that the relevant information is available to the driver through the option handling data. > Alternatively, what about changing gcc/opts-global.c:complain_wrong_lang > to silently ignore options that don't apply instead of emitting a »is > valid for [...] but not for [...]« diagnostic, if a (new) flag > (-f[something]?) has been set, which would be active only during the > add-omp-infile compilation? That would be a possibility, yes. -- Joseph S. Myers jos...@codesourcery.com
