RE: StreamDevice and libpcre2

[Zimoch Dirk via Tech-talk <tech-talk at aps.anl.gov>]

Porting StreamDevice to libpcre2 is already on my to-do list.
Dirk

> -----Original Message-----
> From: Tech-talk <tech-talk-bounces at aps.anl.gov> On Behalf Of Jörn Dreyer via
> Tech-talk
> Sent: Donnerstag, 5. Juni 2025 09:09
> To: tech-talk at aps.anl.gov
> Subject: StreamDevice and libpcre2
> 
> Hi everybody,
> 
> I faced today the fact that on my system (OpenSuSE Tumbleweed) there is no
> libpcre anymore. It got replaced completely by its successor libpcre2.
> I came across that when trying to recompile my EPICS installation. It failed when
> building StreamDevice.
> 
> Now there are three options how to solve that:
> 
> 1) Install the old libpcre 8.45 from source by hand in the system. Might still work
> for some time, but what when not? It has not been updated since 2021
> and might contain bugs and security issues that will not be fixed.
> 
> 2) Install libpcre as part of StreamDevice. It faces the same problems as above.
> 
> 3) Port StreamDevice to libpcre2. That would make it future prove and more easy
> to maintain.
> 
> For me #1 is only a short term solution. For now only my OpenSuSE system is
> affected and I can build a package for that, but what when systems like
> Debian/Ubuntu arfe affected?
> As I use E3 to deploy my EPICS installations now, I could setup an installation of
> libpcre for that, but it would require to fork the e3-StreamDevice wrapper from
> ESS
> to add the pcre module dependency. I would prefer not to do that as it could
> make things incompatible at some time.
> So this leaves #3 as the optimal solution an I would like to know if somebody has
> already looked into that or is actively working on it.
> 
> Regards,
> 
> Jörn
>