On Sun, 21 May 2006, Julian Elischer wrote: > Daniel Eischen wrote: > >> On Sun, 21 May 2006, Julian Elischer wrote: >> >>> Hajimu UMEMOTO wrote: >>> >>>> deischen> Go ahead. Just realize though, that after 7.0 is released >>>> deischen> you will have to support any ABI from then on without version >>>> deischen> bumps (meaning, you have to keep shims for any old 7.0+ ABIs >>>> deischen> in libc). >>>> >>>> ume> Okay, I'll do. >>>> >>> >>> I assume htat EVENTUALLY we will bump numbers again when something >>> sufficiently >>> big needs to be done to the ABI. >> >> >> Symbol versioning is suppose to allow one library to support different >> ABIs, so the hope is that we will never have to bump libc's version >> number. If you change ABI, you still have to keep the old code around >> (or some sort of compatability shims) in the library. >> > yes but that could get too big a drain on resources oftetr while (trying ot > shim really old > stuff into really new stuff.) It might eventually get to a point where it > would be good > to cut and run.. You can never say never, but we need to better maintain our ABI. I believe Solaris has had one only version of libc from day one (Solaris, not the BSD-derived SunOS). I can see bumping libc version number again if, for instance, we were to move the resolver stuff into libresolv, or something like that. -- DEReceived on Mon May 22 2006 - 01:20:00 UTC
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