update rootmodule to tip of branch master

[ddaina]

No description provided.

[cmsbuild]

A new Pull Request was created by @ddaina (Daina) for branch IB/CMSSW_12_1_X/rootmodule.

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

[smuzaffar]

please test

[cmsbuild]

-1

Failed Tests: Build
Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-ddccc5/17790/summary.html
COMMIT: a4e9ff3
CMSSW: CMSSW_12_1_CXXMODULE_X_2021-08-13-2300/slc7_amd64_gcc900
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week1/cms-sw/cmsdist/7214/17790/install.sh to create a dev area with all the needed externals and cmssw changes.

Build

I found compilation error when building:

>> Compiling  /data/cmsbld/jenkins/workspace/ib-run-pr-tests/CMSSW_12_1_CXXMODULE_X_2021-08-13-2300/src/FWCore/Reflection/src/TypeWithDict.cc
>> Building CXX Module LCG reflex dict from header file tmp/slc7_amd64_gcc900/src/FWCore/Reflection/src/FWCoreReflection/a/FWCoreReflection_xr.h
In file included from input_line_8:54:
In file included from ./tmp/slc7_amd64_gcc900/src/FWCore/Reflection/src/FWCoreReflection/a/FWCoreReflection_xr.h:1:
In file included from /data/cmsbld/jenkins/workspace/ib-run-pr-tests/CMSSW_12_1_CXXMODULE_X_2021-08-13-2300/src/FWCore/Reflection/interface/BaseWithDict.h:33:
/data/cmsbld/jenkins/workspace/ib-run-pr-tests/CMSSW_12_1_CXXMODULE_X_2021-08-13-2300/src/FWCore/Reflection/interface/TypeWithDict.h:13:2: fatal error: module file '/data/cmsbld/jenkins/workspace/ib-run-pr-tests/testBuildDir/slc7_amd64_gcc900/lcg/root/6.25.01-601ac90ba39f4146526af318824385f7/lib/std.pcm' is out of date and needs to be rebuilt: signature mismatch
#include "FWCore/Utilities/interface/value_ptr.h"
 ^
/data/cmsbld/jenkins/workspace/ib-run-pr-tests/CMSSW_12_1_CXXMODULE_X_2021-08-13-2300/src/FWCore/Reflection/interface/TypeWithDict.h:13:2: note: imported by module 'FWCoreUtilities' in '/cvmfs/cms-ib.cern.ch/week1/slc7_amd64_gcc900/cms/cmssw/CMSSW_12_1_CXXMODULE_X_2021-08-13-2300/lib/slc7_amd64_gcc900/FWCoreUtilities.pcm'
Error: /data/cmsbld/jenkins/workspace/ib-run-pr-tests/testBuildDir/slc7_amd64_gcc900/lcg/root/6.25.01-601ac90ba39f4146526af318824385f7/bin/rootcling: compilation failure (tmp/slc7_amd64_gcc900/src/FWCore/Reflection/src/FWCoreReflection/a/libFWCoreReflection16e5e41730_dictUmbrella.h)
gmake: *** [tmp/slc7_amd64_gcc900/src/FWCore/Reflection/src/FWCoreReflection/a/FWCoreReflection_xr.cc] Error 1