On 10/10/2023 10:47, Florian Weimer via Gcc wrote: > Currently, -fsigned-char and -funsigned-char are only documented as C > language options, although they work for C++ as well (and Objective-C > and Objective-C++, I assume, but I have not tested this). There does > not seem to be a place for this kind of options in the manual. > > The options -fshort-enums and -fshort-wchar are documented under > code-generation options, but this seems to be a bit of a stretch because > (at least for -fshort-wchar), these too seem to be more about front-end > behavior. > > What would be a good way to address this? > > Thanks, > Florian >
All of these are ABI; so where ever it goes, it should be documented that changing them will potentially cause issues with any pre-compiled object files having different settings. R.