[Do not merge][17_0_ROOT6_X] Enable ROOT debug

[makortel]

To aid debugging in cms-sw/cmssw#49333

Cherry-picked from #10059

[cmsbuild]

A new Pull Request was created by @makortel for branch IB/CMSSW_16_0_X/rootmaster.

@akritkbehera, @cmsbuild, @iarspider, @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

[cmsbuild]

cms-bot internal usage

[makortel]

@cmsbuild, please build

[cmsbuild]

+1

Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-1c7325/49345/summary.html
COMMIT: f142488
CMSSW: CMSSW_16_0_ROOT6_X_2025-11-06-2300/el8_amd64_gcc13
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week0/cms-sw/cmsdist/10184/49345/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:

• @cms-sw OpenMPI: Patch for missing string.h not needed anymore #10183
• @fwyzard Update OpenMPI to v5.0.9 #10182

You can see more details here:
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-1c7325/49345/git-recent-commits.json
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-1c7325/49345/git-merge-result

[makortel]

@cmsbuild, please build

[cmsbuild]

+1

Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-1c7325/52258/summary.html
COMMIT: f142488
CMSSW: CMSSW_16_1_ROOT6_X_2026-03-24-2300/el8_amd64_gcc13
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week0/cms-sw/cmsdist/10184/52258/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:

• @cms-sw git-lfs: set GO variable to point to cms externals #10438
• @cms-sw llvm: Drop libcxx, libcxxabi, libunwind runtime as we use gcc-toolchain #10442

You can see more details here:
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-1c7325/52258/git-recent-commits.json
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-1c7325/52258/git-merge-result

[cmsbuild]

This PR contains too many commits (4553 >= 240) and will not be processed.
Please ensure you have selected the correct target branch and consider squashing unnecessary commits.
The processing of this PR will resume once the commit count drops below the limit.

[makortel]

@cmsbuild, please build

To investigate cms-sw/cmssw#49949 (comment)

[cmsbuild]

Pull request #10184 was updated.

[cmsbuild]

+1

Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-1c7325/52685/summary.html
COMMIT: 7f909ec
CMSSW: CMSSW_17_0_ROOT6_X_2026-04-14-2300/el8_amd64_gcc13
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week1/cms-sw/cmsdist/10184/52685/install.sh to create a dev area with all the needed externals and cmssw changes.