[Pkg-javascript-devel] libv8 versions and abi

[Jérémy Lal]

On 08/06/2012 12:33, Jonas Smedegaard wrote:
> On 12-06-08 at 11:52am, Jérémy Lal wrote:
>> Hi,
>> it's now clearer [1] to me how upstream v8 release their library :
>> 1 - They start a new branch, say 3.10
>> 2 - the first minor versions can break API (3.10.2, 3.10.4, 3.10.6)
>> 3 - at some point they only make patch-level versions, keeping API,
>>     and very probably ABI compatibility too. (3.10.8.x)
>>     The only proof i have of that is the analysis done in [1].
>>
>> I suggest libv8 debian package reflects this by:
>> * start packaging a new branch only when upstream is at stage 3
>> * having a soname libv8.so.3.10.8 instead of libv8.so.3.10.8.12
>>
>> That will have the nice effect of being able to update patch-level
>> versions without having to recompile reverse dependencies each time.
>>
>> The risk is letting an ABI incompatibility slip in. It would however
>> be caught quite early by the reverse dependencies anyway, so it seems
>> okay unless it happens often...
>>
>> Any advise on this please ?
> 
> Are you talking about releases to unstable, or also to experimental?
> 
> Seems to me that it might make sense to release to experimental right 
> away, and then _change_ to target unstable when judged stable.
> 
> Other than that your plan looks sensible to me.

So i opened a transition :
http://release.debian.org/transitions/html/libv8.html
and prepared libv8 3.10.8 on master branch.

Please review / upload it when you have some time.

Jérémy.