Library path in c-ares modulefile

O² O² FLP
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1

Dear experts,

On the EMCAL production FLPs in CR1 (FLP Suite v0.13) we encountered a problem when trying to configure with QualityControl that a dependency (c-ares) could not be loaded:

time="2021-01-08T19:11:05Z" level=error msg="o2-qc: error while loading shared libraries: libcares.so.2: cannot open shared object file: No such file or directory" prefix=task-stderr task="github.com/AliceO2Group/ControlWorkflows/tasks/stfb-qc-check-runner@0f9932d2832f5b337ecca393c755c647e105a957#2NZbRxDcB4E"
time="2021-01-08T19:11:05Z" level=error msg="o2-qc: error while loading shared libraries: libcares.so.2: cannot open shared object file: No such file or directory" prefix=task-stderr task="github.com/AliceO2Group/ControlWorkflows/tasks/stfb-qc-dispatcher@0f9932d2832f5b337ecca393c755c647e105a957#2NZbRxDcr26"

We tracked the problem to the LD_LIBRARY_PATH for c-ares set to CARES_ROOT/lib, while on the FLP only the subdirectory lib64 is present. We currently circumvent the problem by setting a symbolic link from lib64 to lib. Could you please have a look and fix this either in the modulefile or in the build recipe?

Thanks in advance!

Cheers

Markus

2

Hi Markus,
thank you for your report.

This seems to be related to the alibuild-generate-module command, that was recently introduced as a way to automatically generate modulefiles for QC (and other components).

We are treating this as a blocker for the next FLP Suite release and we expect to fix it shortly.

Cheers,
Teo & the FLP team

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[https://alice.its.cern.ch/jira/browse/O2-1953]

4

Hi,
This error does not have anything with alibuild-generate-modules as the recipe does not use it. The issue might be coming from new CMake.
This is the ticket to track: https://alice.its.cern.ch/jira/browse/O2-1954

5

Oops, my fault. Sorry…