use x86-64-v3 as default; enable multi microarch as default

[smuzaffar]

This PR has the following changes

• For x86_64 archs, move to x86-64-v3 as default microarch for CMSSW
• By default, enable multi-microarchs
• Do not build zlib for multi-archs

[smuzaffar]

please test

[cmsbuild]

A new Pull Request was created by @smuzaffar for branch IB/CMSSW_15_0_X/devel.

@aandvalenzuela, @iarspider, @smuzaffar can you please review it and eventually sign? Thanks.
@antoniovilela, @mandrenguyen, @rappoccio, @sextonkennedy you are the release manager for this.
cms-bot commands are listed here

[cmsbuild]

cms-bot internal usage

[smuzaffar]

please test with cms-sw/cms-bot#2390 for CMSSW_15_0_DEVEL_X

[smuzaffar]

please test with cms-sw/cms-bot#2390 for CMSSW_15_0_DEVEL_X

[cmsbuild]

Pull request #9547 was updated.

[cmsbuild]

-1

Failed Tests: Build
Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-6eb9d2/43258/summary.html
COMMIT: f82a3a6
CMSSW: CMSSW_15_0_DEVEL_X_2024-12-04-1100/el8_amd64_gcc12
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week0/cms-sw/cmsdist/9547/43258/install.sh to create a dev area with all the needed externals and cmssw changes.

The following merge commits were also included on top of IB + this PR after doing git cms-merge-topic:

• @Parsifal-2045 Optimise muon seed MVA classifier cmssw#46861
• @jking79 Update ecalMultiFitUncalibRecHit_cfi.py parameters for CC cmssw#46763
• @mmusich add DQM / Validation monitoring for hltInitialStep and hltHighPtTriplet tracks in the Phase2 HLT menu cmssw#46823
• @enibigir Update HSCParticle object to be compatible with MiniAOD cmssw#46840

You can see more details here:
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-6eb9d2/43258/git-recent-commits.json
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-6eb9d2/43258/git-merge-result

Build

I found compilation error when building:

@@@@ ----> OK  EDM Class Transients 
>> Checking EDM Class Version for src/DataFormats/CaloTowers/src/classes_def.xml in libDataFormatsCaloTowers.so
>> Checking EDM Class Version for src/DataFormats/Candidate/src/classes_def.xml in libDataFormatsCandidate.so
@@@@ ----> OK  EDM Class Version 
>> Checking EDM Class Transients in libDataFormatsCSCRecHit.so
error: class 'CTPPSDetId' has a different checksum for ClassVersion 3. Increment ClassVersion to 4 and assign it to checksum 1554945820
error: class 'TotemRPDetId' has a different checksum for ClassVersion 3. Increment ClassVersion to 4 and assign it to checksum 1915602617
error: class 'CTPPSDiamondDetId' has a different checksum for ClassVersion 3. Increment ClassVersion to 4 and assign it to checksum 3253161212
error: class 'CTPPSPixelDetId' has a different checksum for ClassVersion 3. Increment ClassVersion to 4 and assign it to checksum 1640295022
error: class 'TotemTimingDetId' has a different checksum for ClassVersion 3. Increment ClassVersion to 4 and assign it to checksum 3647294361
@@@@ ----> OK  EDM Class Transients