[OpenSIPS-Users] Compile OpenSIPS 3.4 on Debian Trixie

[Liviu Chircu]

Hey Karsten/Richard,

I bundled the PCRE2-related commits from master into a single patch, for 
each of 3.4 and 3.6.

Apply them with "git am <patch>" and happy testing!  We can edit/extend 
the patches if you run into any issues.

3.4 patch here 
<https://gist.github.com/liviuchircu/d30aebb97d2c501349cb15eb128911f2#file-opensips-3-4-dialplan-add-support-for-pcre2-new-keep-pcre3-legacy-patch>
3.6 patch here 
<https://gist.github.com/liviuchircu/d30aebb97d2c501349cb15eb128911f2#file-opensips-3-6-dialplan-add-support-for-pcre2-new-keep-pcre3-legacy-patch>

Best regards,

Liviu Chircu
www.opensips-solutions.com |www.siphub.com

On 23/01/2026 20:42, Karsten Wemheuer via Users wrote:
> Hi,
>
> thanks Richard.
>
> Yes, OpenSIPS is not supported out of the box in Debian 13. But I've
> read about a patch in master branch using PCRE2 instead of PCRE3 (which
> ist EOLed as far as I know).
>
> I now want to try to integrate the patch into branch 3.6 as this is an
> LTS branch. But I am not very familiar with git. Which commits are
> related to the switch to PCRE2?
>
> Have a nice weekend.
>
> Best regards
>
> Karsten
>
>
> Am Freitag, dem 23.01.2026 um 18:24 +0000 schrieb Richard Robson:
>> Hi,
>>
>>
>> I believe Opensips is not supported on Debian 13 at the moment due to
>> libpcre3 dependancy (removed from 13)
>>
>> https://github.com/OpenSIPS/opensips/issues/3721
>>
>> Hope this helps,
>>
>>
>> Richard
>>
>> On 23/01/2026 17:35, Karsten Wemheuer via Users wrote:
>>> Hi,
>>>
>>> I just checked 3.6 branch. It is also not possible to compile this
>>> branch on Debian 13. Error message is about issing pcre.h.
>>>
>>> What to do to pick the patch to fix this?
>>>
>>> Thanks in advance,
>>>
>>> Karsten
>>>
>>> Am Freitag, dem 23.01.2026 um 16:51 +0100 schrieb Karsten Wemheuer
>>> via
>>> Users:
>>>> Hi,
>>>>
>>>> I just find out, that libpcre3 is not part of Debian Trixie. I am
>>>> not
>>>> able to build OpensIS 3.4.16 on Debian 13. It seems the patch to
>>>> link
>>>> against the newer and supported Lib libpcre2 is not part of
>>>> branch
>>>> 3.4.
>>>>
>>>> Is it possible to cherry-pick the patch from Master to 3.4
>>>> branch? Or
>>>> should I move to 3.6? Is it possible to build this version on
>>>> Debian
>>>> 13?
>>>>
>>>> Thanks in advance,
>>>>
>>>> Karsten
>>>>
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