cvs commit: src/lib/libc/locale utf8.c
delphij at delphij.net
Thu Oct 25 12:06:13 PDT 2007
Scott Long wrote:
> Andrey Chernov wrote:
>> On Thu, Oct 25, 2007 at 09:15:27AM -0600, Scott Long wrote:
>>> Andrey A. Chernov wrote:
>>>> ache 2007-10-15 09:51:30 UTC
>>>> FreeBSD src repository
>>>> Modified files:
>>>> lib/libc/locale utf8.c Log:
>>>> Add comment explaining __mb_sb_limit trick here.
>>>> Revision Changes Path
>>>> 1.16 +5 -0 src/lib/libc/locale/utf8.c
>>> When is the ABI damage from this going to be fixed?
>> There is no ABI damage in -current.
> Exposing the __mb_sb_limit symbol has instantly created a need
> to have a compat7x package, and is causing many users problems
> during upgrades and normal operations. It may not be a problem
> for you, Andre, but it's a problem for everyone else. Please
> respect this and fix it.
Well, I think the problem is not exposing a new symbol by itself, but
__mb_sb_limit is being used in _ctype.h, in a form of __inline
functions. Therefore, the change will break new binaries running on
older systems. Personally I think this is acceptable, but maybe we
could have a better way to avoid this, because the binaries are no
longer backward compatible (i.e. you may have trouble running a program
compiled for 6.3-RELEASE on 6.2-RELEASE, if it uses locale bits).
As a workaround as discussed with rafan@ we have installed a workaround
for now, which installs libc.so.6 before all other shared objects, which
will make the problem invisible.
Xin LI <delphij at delphij.net> http://www.delphij.net/
FreeBSD - The Power to Serve!
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