Ciao Giulio,


> In
> CalibCalorimetry/EcalCorrelatedNoiseAnalysisAlgos/interface/TEcnaHistos.h:
>
> > @@ -380,7 +381,7 @@ class TEcnaHistos : public TObject {
> >    TVectorD        fReadHistoDummy;
> >    TMatrixD        fReadMatrixDummy;
> >
> > -  std::ifstream fFcin_f;
> > +  ifstream fFcin_f;
>
> Where did you add the using namespace std; statement? It's forbidden by
> CMS policy to have it in header files.
>
>
looks like it's maybe the first one of these :  :(

macap3:cmssw ap$ git grep 'using namespace std' -- *.h | grep interface

CalibCalorimetry/EcalCorrelatedNoiseAnalysisAlgos/interface/TEcnaGui.h:///
    using namespace std;

CommonTools/CandAlgos/interface/CandCombiner.h: using namespace std;

CommonTools/CandAlgos/interface/CandCombiner.h: using namespace std;

CommonTools/CandAlgos/interface/CandDecaySelector.h:      using namespace
std;

CommonTools/CandAlgos/interface/NamedCandCombiner.h: using namespace std;

CommonTools/CandAlgos/interface/NamedCandCombiner.h: using namespace std;

CommonTools/CandUtils/interface/CandMatcher.h:  using namespace std;

CommonTools/CandUtils/interface/CandMatcher.h:  using namespace std;

CommonTools/CandUtils/interface/CandMatcherNew.h:      using namespace std;

CommonTools/CandUtils/interface/FastCandMatcher.h:  using namespace std;

CommonTools/UtilAlgos/interface/AssociationMapOneToOne2Association.h:
using namespace std;

CommonTools/UtilAlgos/interface/AssociationVector2ValueMap.h:  using
namespace std;

CommonTools/UtilAlgos/interface/AssociationVectorSelector.h:  using
namespace std;

CommonTools/UtilAlgos/interface/Matcher.h:      using namespace std;

CommonTools/UtilAlgos/interface/NewMatcher.h:      using namespace std;

CommonTools/UtilAlgos/interface/ObjectSelector.h:    using namespace std;

CommonTools/UtilAlgos/interface/PhysObjectMatcher.h:    using namespace std;

CommonTools/UtilAlgos/interface/StoreManagerTrait.h:      using namespace
std;

CondFormats/ESObjects/interface/ESWeightSet.h:    using namespace std;

CondFormats/EcalObjects/interface/EcalWeightSet.h:    using namespace std;

DQM/Physics/interface/TopDQMHelpers.h:using namespace std;

DQMOffline/L1Trigger/interface/L1TEfficiencyMuons_Offline.h:using namespace
std;

DataFormats/METReco/interface/AnomalousECALVariables.h://using namespace
std;

DataFormats/METReco/interface/BoundaryInformation.h://using namespace std;

DataFormats/TrackingRecHit/interface/KfComponentsHolder.h:    using
namespace std;

EgammaAnalysis/ElectronTools/interface/ElectronEffectiveArea.h:using
namespace std;

EgammaAnalysis/ElectronTools/interface/PFIsolationEstimator.h:using
namespace std;

HLTriggerOffline/JetMET/interface/HLTJetMETValidation.h:using namespace std;

HLTriggerOffline/Tau/interface/L25TauAnalyzer.h:using namespace std;

PhysicsTools/IsolationAlgos/interface/IsolationProducer.h:  using namespace
std;

PhysicsTools/IsolationAlgos/interface/IsolationProducerNew.h:      using
namespace std;

PhysicsTools/UtilAlgos/interface/StoreManagerTrait.h:      using namespace
std;

PhysicsTools/Utilities/interface/RootMinuitCommands.h:    using namespace
std;

PhysicsTools/Utilities/interface/RootMinuitCommands.h:    using namespace
std;

RecoJets/JetProducers/interface/PileupJPTJetIdAlgo.h:using namespace std;

RecoTracker/DeDx/interface/DeDxDiscriminatorTools.h:  //   using namespace
std;

RecoTracker/SingleTrackPattern/interface/CRackTrajectoryBuilder.h://  using
namespace std;

RecoVertex/VertexTools/interface/SequentialVertexFitter.h:    using
namespace std;