Re: [patch] [java] bump libgcj soname

On 03/01/16 11:38, Matthias Klose wrote:
> On 02.01.2016 17:11, Andrew Haley wrote:
>> On 02/01/16 15:53, Matthias Klose wrote:
>>>>> In any case, GCJ_CXX_ABI_VERSION should be changed to not include __GNUC_MINOR__
>>>>>>> anymore.  Maybe for the gcc-5-branch, set it unconditionally to 3 so that it
>>>>>>> won't change anymore with future releases from the gcc-5 branch?
>>>>>
>>>>> That's safe only if Classpath and libgcj are not changed at all.
>>> why?
>>
>> Because of the way that gcj's linkage works.  If you change any of the
>> vtable/itable indexes your program will crash.
> 
> Right, but this no change compared to the 4.x.y releases.
> 
> This is what I committed to the trunk.
> 
> So what to do with the gcc-5 branch? Apply the same patch to jvm.h, or fix the 
> minor version to 3? The latter would be compatible at least with the 5.3 release.

Neither.  If you link a program with libgcj then you need to recompile
it when a new version of libgcj comes along.  It has always been this
way.  Why change this rule now, at this stage of GCJ's life?

Andrew.