gcc: add --as-needed link option

[smuzaffar]

No description provided.

[cmsbuild]

A new Pull Request was created by @smuzaffar for branch IB/CMSSW_14_1_X/master.

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

[cmsbuild]

cms-bot internal usage

[smuzaffar]

test parameters:

• full_cmssw = true

[smuzaffar]

please test

[cmsbuild]

-1

Failed Tests: Build
Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-fa4e05/39815/summary.html
COMMIT: 4d44ce6
CMSSW: CMSSW_14_1_X_2024-06-10-1100/el8_amd64_gcc12
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week1/cms-sw/cmsdist/9232/39815/install.sh to create a dev area with all the needed externals and cmssw changes.

Build

I found compilation error when building:

@@@@ ----> OK  EDM Class Transients 
>> Checking EDM Class Version for src/DataFormats/EcalDigi/src/alpaka/classes_cuda_def.xml in libDataFormatsEcalDigiCudaAsync.so
@@@@ ----> OK  EDM Class Transients 
@@@@ ----> OK  EDM Class Version 
>> Checking EDM Class Transients in libDataFormatsCTPPSDigi.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
>> Checking EDM Class Version for src/DataFormats/EcalDigi/src/alpaka/classes_rocm_def.xml in libDataFormatsEcalDigiROCmAsync.so


[smuzaffar]

please test

[cmsbuild]

-1

Failed Tests: Build
Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-fa4e05/39825/summary.html
COMMIT: 4d44ce6
CMSSW: CMSSW_14_1_X_2024-06-10-2300/el8_amd64_gcc12
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week1/cms-sw/cmsdist/9232/39825/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:

• @eyigitba Modifications to L1REPACK:FullSimTP to prevent crashes and make it more compatible with other REPACK options cmssw#45132
• @cms-tsg-storm HLT menu development for 14_0_X (8/N) [14_1_X]  cmssw#45160
• @cms-AlCaDB Add possibility to read triggerbits for Secondary Datasets from the GT cmssw#45092
• @cms-sw cmssw-ib: always use latest buildLogAnalyzer without caching it on cmsrep #9239

You can see more details here:
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-fa4e05/39825/git-recent-commits.json
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-fa4e05/39825/git-merge-result

Build

I found compilation error when building:

>> Checking EDM Class Transients in libDataFormatsCLHEP.so
@@@@ ----> OK  EDM Class Version 
>> Checking EDM Class Transients in libDataFormatsCSCDigi.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
Suggestion: You can run 'scram build updateclassversion' to generate src/DataFormats/CTPPSDetId/src/classes_def.xml.generated with updated ClassVersion


[smuzaffar]

add a special IB ASNEEDED to test this