[15.0.X] Build cuda.pcm as part of root build

[smuzaffar]

This PR backports various root fixes from 15.1.X release cycles to 15.0.X

• Generation of cuda.pcm, see CMS ROOT distribution does not include cuda.pcm cmssw#47400
• Patches hls to include cmath instead of math.h to avoud cuda.pcm issues

[smuzaffar]

please test

[cmsbuild]

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

@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

[cmsbuild]

+1

Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-6116e1/46526/summary.html
COMMIT: 0f0f5ae
CMSSW: CMSSW_15_0_X_2025-06-03-1100/el8_amd64_gcc12
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week0/cms-sw/cmsdist/9909/46526/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:

• @fwyzard PyTorch: fix configuration of CUDA and cuDNN [15.0.x] #9859
• @fwyzard ONNX Runtime: depend explicitly on Eigen [15.0.x] #9864

You can see more details here:
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-6116e1/46526/git-recent-commits.json
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-6116e1/46526/git-merge-result

Comparison Summary

Summary:

• You potentially added 15 lines to the logs
• Reco comparison results: 181 differences found in the comparisons
• DQMHistoTests: Total files compared: 50
• DQMHistoTests: Total histograms compared: 4005094
• DQMHistoTests: Total failures: 532
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 4004542
• DQMHistoTests: Total skipped: 20
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 49 files compared)
• Checked 218 log files, 189 edm output root files, 50 DQM output files
• TriggerResults: no differences found

[smuzaffar]

+externals

@cms-sw/orp-l2 , feel free to integrate it for next 15.0.X IB/release

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next IB/CMSSW_15_0_X/master IBs (tests are also fine). This pull request will now be reviewed by the release team before it's merged. @rappoccio, @antoniovilela, @mandrenguyen, @sextonkennedy (and backports should be raised in the release meeting by the corresponding L2)

[mandrenguyen]

+1