symbol version for newly added functions in libc
Jilles Tjoelker
jilles at stack.nl
Sun Aug 10 16:32:46 UTC 2014
On Mon, Aug 11, 2014 at 01:00:26AM +0900, Hajimu UMEMOTO wrote:
> I'm working on update our stub resolver in libc to the final version
> of libbind.
> This update adds some new functions.
> I see that FBSD_1.4 should be used for 11.0-CURRENT. However, I have
> a plan to do MFC into 10 and 9. In this case, which symbol version
> should be used for new functions FBSD_1.2, FBSD_1.3 or FBSD_1.4?
The symbol version used for the new functions in the stable branches
should be the same as in -current. This ensures that an executable built
on a stable branch will work on -current.
It is currently an accepted side effect that symbol versioning will
usually accept an executable from a newer version of FreeBSD, only
failing if and when an unimplemented symbol is needed.
--
Jilles Tjoelker
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