Andi Hellmund <mail@xxxxxxxxxxxxxxxx> writes: > I ran a bit through the code and found that -Wsystem-headers does not > affect all warnings. In fact, there are some warnings, including yours, > which are explicitly excluded if encountered in a system header file (if > you're interested in the source location, please check c-common.c:3168) > > I don't really know why certain warnings are explicitly excluded, but > maybe someone with a longer history in gcc could tell why?? Maybe, it's > worth to change the behavior to include all warnings to conform to the > description of this option or to change the description itsself :-) ? I think this is a bug: the code should be checking warn_system_headers as well. Would you mind opening a bug report if there isn't already one open? Thanks. Ian
