[ROOT6] Updated root to tip of branch master

[akritkbehera]

No description provided.

[cmsbuild]

A new Pull Request was created by @akritkbehera for branch IB/CMSSW_20_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

[cmsbuild]

cms-bot internal usage

[akritkbehera]

please test

[cmsbuild]

-1

Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-8186cb/54537/summary.html
COMMIT: f54ac5b
CMSSW: CMSSW_20_1_ROOT6_X_2026-07-05-2300/el9_amd64_gcc13
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week1/cms-sw/cmsdist/10705/54537/install.sh to create a dev area with all the needed externals and cmssw changes.

Failed External Build

I found compilation error when building:

+ echo 'test $?PY3_NUMPY_ROOT != 0 || source /data/cmsbld/jenkins/workspace/ib-run-pr-tests/testBuildDir/el9_amd64_gcc13/external/py3-numpy/1.26.4-6c7401133d71aa0fdd19f4799dadfbdf/etc/profile.d/init.csh'
+ echo fi
+ touch /data/cmsbld/jenkins/workspace/ib-run-pr-tests/testBuildDir/tmp/BUILDROOT/2ca48be4732effe265fdebf237ee9c6a/opt/cmssw/el9_amd64_gcc13/lcg/root/6.41.1-2ca48be4732effe265fdebf237ee9c6a/etc/profile.d/.autodependencies
Processing files: lcg+root+6.41.1-2ca48be4732effe265fdebf237ee9c6a-1-1.x86_64
warning: absolute symlink: /opt/cmssw/el9_amd64_gcc13/lcg/root/6.41.1-2ca48be4732effe265fdebf237ee9c6a/lib/cuda.pcm.lock -> /data/cmsbld/jenkins/workspace/ib-run-pr-tests/testBuildDir/tmp/BUILDROOT/2ca48be4732effe265fdebf237ee9c6a/opt/cmssw/el9_amd64_gcc13/lcg/root/6.41.1-2ca48be4732effe265fdebf237ee9c6a/lib/cuda.pcm.lock-57d1a699
error: Symlink points to BuildRoot: /opt/cmssw/el9_amd64_gcc13/lcg/root/6.41.1-2ca48be4732effe265fdebf237ee9c6a/lib/cuda.pcm.lock -> /data/cmsbld/jenkins/workspace/ib-run-pr-tests/testBuildDir/tmp/BUILDROOT/2ca48be4732effe265fdebf237ee9c6a/opt/cmssw/el9_amd64_gcc13/lcg/root/6.41.1-2ca48be4732effe265fdebf237ee9c6a/lib/cuda.pcm.lock-57d1a699

RPM build warnings:
Macro expanded in comment on line 497: %{pkginstroot}/lib

Macro expanded in comment on line 498: %{pkginstroot}


[smuzaffar]

lets wait for the root fix for root-project/root#22719 (comment) before integrating root master changes in cmssw

[guitargeek]

Should work after merging this:

• [clad] Fix nullptr dereference introduced by Clad 2.4 root-project/root#22765

[smuzaffar]

closing in favor of #10709