On 10/10/2023 11:46, Richard Earnshaw (lists) via Gcc wrote: > 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.
And you can add -f[un]signed-bitfield to that list as well. R.