Drop ROOT GLEW root

[smuzaffar]

Latest root has remove the buildin glew ( root-project/root#20013 ). This PR proposes to drop the rootglew tool from cmssw

[cmsbuild]

A new Pull Request was created by @smuzaffar for branch IB/CMSSW_16_1_X/rootmaster.

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

[smuzaffar]

please test

lets see if cmssw really need GLEW (even without root dropping it)

[cmsbuild]

Pull request #10395 was updated.

[smuzaffar]

please test

[smuzaffar]

please test

[cmsbuild]

cms-bot internal usage

[cmsbuild]

+1

Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-2a0a5e/51803/summary.html
COMMIT: 6d3627b
CMSSW: CMSSW_16_1_ROOT6_X_2026-03-05-2300/el8_amd64_gcc13
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week1/cms-sw/cmsdist/10395/51803/install.sh to create a dev area with all the needed externals and cmssw changes.

Comparison Summary

Summary:

• You potentially added 261 lines to the logs
• ROOTFileChecks: Some differences in event products or their sizes found
• Reco comparison results: 13560 differences found in the comparisons
• DQMHistoTests: Total files compared: 53
• DQMHistoTests: Total histograms compared: 4180442
• DQMHistoTests: Total failures: 191405
• DQMHistoTests: Total nulls: 14
• DQMHistoTests: Total successes: 3989003
• DQMHistoTests: Total skipped: 20
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 472.977 KiB( 52 files compared)
• DQMHistoSizes: changed ( 17034.0 ): 1.737 KiB SiStrip/MechanicalView
• DQMHistoSizes: changed ( 18434.0,... ): 112.246 KiB GEM/Digis
• DQMHistoSizes: changed ( 18434.0,... ): 59.098 KiB RPC/AllHits
• DQMHistoSizes: changed ( 18434.0,... ): 58.570 KiB RPC/Muon
• DQMHistoSizes: changed ( 18434.0,... ): 1.978 KiB GEM/RecHits
• DQMHistoSizes: changed ( 18434.0,... ): 0.703 KiB RPC/RPCRecHitV
• DQMHistoSizes: changed ( 18634.0 ): 6.050 KiB SiStrip/MechanicalView
• Checked 227 log files, 198 edm output root files, 53 DQM output files
• TriggerResults: found differences in 3 / 51 workflows

[smuzaffar]

please test using full cmssw

[cmsbuild]

Pull request #10395 was updated.