Re: StreamDevice error involving PCRE library in Debian Trixie

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

Hi Gerrit

I am currently on vacation and cannot test anything.

Dirk

> Am 09.04.2026 um 01:40 schrieb Gerrit Kühn <gerrit.kuehn at aei.mpg.de>:
> 
> Am Wed, 18 Mar 2026 21:42:06 +0000
> schrieb "Zimoch, Dirk via Tech-talk" <tech-talk at aps.anl.gov>:
> 
> Hello Dirk,
> 
> Unfortunately, we cannot get your pcre2 branch to compile, it fails with
> 
> ---
> -MM -MF StreamEpics.d  ../StreamEpics.cc
> dbdExpand.pl: No input files for ../O.Common/stream.dbd
> dbdExpand.pl: No input files for ../O.Common/stream-base.dbd
> dbdExpand.pl: No input files for ../O.Common/stream-scalcout.dbd
> make[2]: *** No rule to make target 'stream.dbd.d', needed by 'build'.  Stop.
> make[2]: Leaving directory
> '/home/epics/EPICS/epics-support/StreamDevice/src/O.linux-x86_64' make[1]:
> *** [/home/epics/EPICS/epics-base/configure/RULES_ARCHS:58:
> install.linux-x86_64] Error 2 make[1]: Leaving directory
> '/home/epics/EPICS/epics-support/StreamDevice/src' make: ***
> [/home/epics/EPICS/epics-base/configure/RULES_DIRS:85: src.install] Error 2
> ---
> 
> Is there anything obvious we are overlooking? We can get a bit further using
> https://urldefense.us/v3/__https://github.com/daykin/StreamDevice/commits/pcre2__;!!G_uCfscf7eWS!Zm-Id3_g2uSmrOihpSp7FUsKT1RZbToztbTrfwV5OevLm92pnGpH81vBWBf3ulYPk37AcBdl6O8PUJWW3ApD4d_vPA$ 
> 
> However, this only compiles up to base tag R7.0.9, but it will fail with
> R7.0.10. Is there any recommendation on how to proceed? Is there already an
> ETA for "official" pcre2 support in StreamDevice? Alternatively, we might
> also fall back to a manually installed pcre3 for the time being.
> 
> 
> cu
>  Gerrit
> 
> 
> 
>> There is a branch on github where I started with pcre-2 support.
>> Dirk
>> 
>> Am 19.03.2026 um 10:25 schrieb Windsor Tanner via Tech-talk
>> <tech-talk at aps.anl.gov>:
>> 
>> 
>> 
>> Hello All,
>> 
>> My question pertains to getting StreamDevice to build on Debian Trixie, as
>> device support for EPICS.
>> 
>> We're running into the following error related to the discrepancy between
>> the "new"  library packaged in Trixie, and the one which StreamDevice
>> depends on:
>> 
>> ../RegexpConverter.cc:31:10: fatal error: pcre.h: No such file or directory
>>   31 | #include "pcre.h"
>> 
>> 
>> Does anyone know of a workaround/solution for this, other than perhaps
>> resorting to the legacy PCRE library? Is there a configuration setting in
>> the  StreamDevice clone that could be changed to point to the location of
>> the pcre2.h header in Trixie?
>> 
>> It seems Debian removed the package (ibpcre3-dev) from Trixie that would
>> have been compatible with StreamDevice .
>> 
>> Thanks in advance,
>> 
>> Windsor