Generate cuda.pcm if CUDA is available [15.0.x]

[fwyzard]

If CUDA is available, let ROOT generate the cuda.pcm file after the build, and include it in the distribution.
This fixes the current problem where a missing dictionary for a type that includes a CUDA header leads to a fatal exception.

[fwyzard]

please test

[cmsbuild]

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

@cmsbuild, @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

• Backported from Generate cuda.pcm if CUDA is available #9765

[cmsbuild]

cms-bot internal usage

[fwyzard]

backport #9765

[fwyzard]

type bugfix

[cmsbuild]

REMINDER @sextonkennedy, @mandrenguyen, @rappoccio, @antoniovilela: This PR was tested with cms-sw/cmssw#47732, please check if they should be merged together

[cmsbuild]

+1

Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-c60796/45280/summary.html
COMMIT: 44f1f24
CMSSW: CMSSW_15_0_X_2025-03-28-2300/el8_amd64_gcc12
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week0/cms-sw/cmsdist/9766/45280/install.sh to create a dev area with all the needed externals and cmssw changes.

Comparison Summary

Summary:

• You potentially added 15 lines to the logs
• Reco comparison results: 6 differences found in the comparisons
• DQMHistoTests: Total files compared: 50
• DQMHistoTests: Total histograms compared: 3999716
• DQMHistoTests: Total failures: 68
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 3999628
• 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

[makortel]

hold

Because of cms-sw/cmssw#47740

[cmsbuild]

Pull request has been put on hold by @makortel
They need to issue an unhold command to remove the hold state or L1 can unhold it for all

[makortel]

@cmsbuild, please test workflow 180.1,181.1,182.1

[cmsbuild]

-1

Failed Tests: RelVals
Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-c60796/45295/summary.html
COMMIT: 44f1f24
CMSSW: CMSSW_15_0_X_2025-03-31-1100/el8_amd64_gcc12
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week1/cms-sw/cmsdist/9766/45295/install.sh to create a dev area with all the needed externals and cmssw changes.

RelVals

• 182.1

----- Begin Fatal Exception 31-Mar-2025 20:22:48 CEST-----------------------
An exception of category 'ExternalLHEProducer' occurred while
   [0] Processing global begin Run run: 1
   [1] Calling method for module ExternalLHEProducer/'externalLHEProducer'
Exception Message:
Child failed with exit code 1.
----- End Fatal Exception -------------------------------------------------

• 180.1

----- Begin Fatal Exception 31-Mar-2025 20:22:48 CEST-----------------------
An exception of category 'ExternalLHEProducer' occurred while
   [0] Processing global begin Run run: 1
   [1] Calling method for module ExternalLHEProducer/'externalLHEProducer'
Exception Message:
Child failed with exit code 1.
----- End Fatal Exception -------------------------------------------------

• 181.1

----- Begin Fatal Exception 31-Mar-2025 20:22:48 CEST-----------------------
An exception of category 'ExternalLHEProducer' occurred while
   [0] Processing global begin Run run: 1
   [1] Calling method for module ExternalLHEProducer/'externalLHEProducer'
Exception Message:
Child failed with exit code 1.
----- End Fatal Exception -------------------------------------------------

[makortel]

@cmsbuild, please test

According to cms-sw/cmssw#47740 (comment) these could work now

[cmsbuild]

REMINDER @sextonkennedy, @antoniovilela, @rappoccio, @mandrenguyen: This PR was tested with cms-sw/cmssw#47732, please check if they should be merged together

[cmsbuild]

-1

Failed Tests: UnitTests
Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-c60796/45322/summary.html
COMMIT: 44f1f24
CMSSW: CMSSW_15_0_X_2025-04-01-1100/el8_amd64_gcc12
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week1/cms-sw/cmsdist/9766/45322/install.sh to create a dev area with all the needed externals and cmssw changes.

Unit Tests

I found 2 errors in the following unit tests:

---> test test_DavixReadV_http had ERRORS
---> test test_DavixRead_http had ERRORS

Comparison Summary

Summary:

• You potentially added 16 lines to the logs
• Reco comparison results: 4 differences found in the comparisons
• DQMHistoTests: Total files compared: 50
• DQMHistoTests: Total histograms compared: 3999716
• DQMHistoTests: Total failures: 59
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 3999637
• 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