o2-sim: Ability to adjust default option values depending on Run5 or not

[sawenzel]

No description provided.

[github-actions]

REQUEST FOR PRODUCTION RELEASES:
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async-2023-pbpb-apass3
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[mconcas]

This would leave the o2-sim-run5 exe?
Fine to me, in general I'm fine to whatever works :)

[sawenzel]

@mconcas : Yes, it is just a minor consistency fix for the run5 executable. The complete deprecation can be done later.

[alibuild]

Error while checking build/O2/fullCI for 4e2c2e4 at 2024-08-26 15:01:

## sw/BUILD/O2-latest/log
c++: error: unrecognized command-line option '--rtlib=compiler-rt'
c++: error: unrecognized command-line option '--rtlib=compiler-rt'


## sw/BUILD/o2checkcode-latest/log
--
========== List of errors found ==========
++ GRERR=0
++ grep -v clang-diagnostic-error error-log.txt
++ grep ' error:'
/sw/SOURCES/O2/13430-slc8_x86-64/0/Generators/src/GeneratorTParticle.cxx:28:21: error: use '= default' to define a trivial default constructor [modernize-use-equals-default]
++ [[ 0 == 0 ]]
++ exit 1
--

Full log here.