[WIP] Fix LTO/PowerPC build issue

[smuzaffar]

No description provided.

[smuzaffar]

test parameters:

• full_cmssw = true

[cmsbuild]

A new Pull Request was created by @smuzaffar (Malik Shahzad Muzaffar) for branch IB/CMSSW_13_0_X/master.

@cmsbuild, @smuzaffar, @aandvalenzuela, @iarspider can you please review it and eventually sign? Thanks.
@perrotta, @dpiparo, @rappoccio you are the release manager for this.
cms-bot commands are listed here

[smuzaffar]

please test for CMSSW_13_0_LTO_X/el8_ppc64le_gcc11

[cmsbuild]

-1

Failed Tests: Build
Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-53e1fb/29330/summary.html
COMMIT: 0ea9e5f
CMSSW: CMSSW_13_0_LTO_X_2022-11-28-2300/el8_ppc64le_gcc11
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week1/cms-sw/cmsdist/8207/29330/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:

• @makortel Make duplicate branch check work properly with SwitchProducer that has EDAlias case cmssw#40136

You can see more details here:
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-53e1fb/29330/git-recent-commits.json
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-53e1fb/29330/git-merge-result

Build

I found compilation error when building:

>> Compiling  /scratch/cmsbuild/jenkins_a/workspace/ib-run-pr-tests/CMSSW_13_0_LTO_X_2022-11-28-2300/src/RecoLocalCalo/EcalRecAlgos/src/EcalUncalibRecHitTimingCCAlgo.cc
>> Compiling  /scratch/cmsbuild/jenkins_a/workspace/ib-run-pr-tests/CMSSW_13_0_LTO_X_2022-11-28-2300/src/RecoLocalCalo/EcalRecAlgos/src/PulseChiSqSNNLS.cc
>> Compiling  /scratch/cmsbuild/jenkins_a/workspace/ib-run-pr-tests/CMSSW_13_0_LTO_X_2022-11-28-2300/src/RecoLocalCalo/EcalRecAlgos/src/T_EventSetup_SeverityLevelAlgo.cc
>> Compiling  /scratch/cmsbuild/jenkins_a/workspace/ib-run-pr-tests/CMSSW_13_0_LTO_X_2022-11-28-2300/src/RecoLocalCalo/EcalRecAlgos/src/dummyfile.cc
>> Building shared library tmp/el8_ppc64le_gcc11/src/RecoLocalCalo/EcalRecAlgos/src/RecoLocalCaloEcalRecAlgos/libRecoLocalCaloEcalRecAlgos.so
lto1: error: '__builtin_mma_disassemble_acc_internal' requires the '-mmma' option
lto1: fatal error: target specific builtin not available
compilation terminated.
lto-wrapper: fatal error: /scratch/cmsbuild/jenkins_a/workspace/ib-run-pr-tests/testBuildDir/el8_ppc64le_gcc11/external/gcc/11.2.1-f9b9dfdd886f71cd63f5538223d8f161/bin/c++ returned 1 exit status
compilation terminated.
/scratch/cmsbuild/jenkins_a/workspace/ib-run-pr-tests/testBuildDir/el8_ppc64le_gcc11/external/gcc/11.2.1-f9b9dfdd886f71cd63f5538223d8f161/bin/../lib/gcc/powerpc64le-redhat-linux-gnu/11.2.1/../../../../powerpc64le-redhat-linux-gnu/bin/ld: error: lto-wrapper failed


[smuzaffar]

looks like these flags were not enough to fix ppc64le /lto issue. Now we get buidl error [a] which other has seen too https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102059#c21

[a]

lto1: error: '__builtin_mma_disassemble_acc_internal' requires the '-mmma' option
lto1: fatal error: target specific builtin not available