On 8 May 2018 at 12:01, Sebastian Huber <sebastian.huber@xxxxxxxxxxxxxxxxxx> wrote: > On 08/05/18 12:40, Jonathan Wakely wrote: >> >> On 8 May 2018 at 06:32, Sebastian Huber wrote: >>> >>> Hello, >>> >>> do the C dialect options -std=* affect the ABI? >>> >>> https://gcc.gnu.org/onlinedocs/gcc/C-Dialect-Options.html >>> >>> For example can I safely link objects produced with different C++ >>> standard >>> versions to produce an executable? >> >> You started out asking about C but then finish asking about C++, which >> are you asking about? > > > The C++ standard options are also documented on this page. In the text you > have: > > "The following options control the dialect of C (or languages derived from > C, such as C++, Objective-C and Objective-C++) that the compiler accepts:" Yes, but you specifically said "C dialect options" which makes it ambiguous whether you're asking about the options for C++ that are documented in the section called "C dialect options" or asking about the options for C. >> >> For C++ see >> https://stackoverflow.com/questions/46746878/is-it-safe-to-link-c17-c14-and-c11-objects/49119902#49119902 >> >> To the best of my knowledge the -std options for C do not affect ABI >> either, but I'm less certain than I am for C++. > > > I think it should be documented on this page if the ABI is affected.
