[ 64%] Building CXX object CMakeFiles/exampleB1.dir/src/StackingAction.cc.o
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:29,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/RStringView.hxx:32:84: error: conflicting declaration of template ‘template<class _CharT, class _Traits> using basic_string_view = std::experimental::__ROOT::basic_string_view<_CharT, _Traits>’
    using basic_string_view = ::std::experimental::basic_string_view<_CharT,_Traits>;
                                                                                    ^
In file included from /cvmfs/sft.cern.ch/lcg/releases/gcc/8.3.0-cebb0/x86_64-centos7/include/c++/8.3.0/bits/basic_string.h:48,
                 from /cvmfs/sft.cern.ch/lcg/releases/gcc/8.3.0-cebb0/x86_64-centos7/include/c++/8.3.0/string:52,
                 from /cvmfs/sft.cern.ch/lcg/releases/gcc/8.3.0-cebb0/x86_64-centos7/include/c++/8.3.0/bits/locale_classes.h:40,
                 from /cvmfs/sft.cern.ch/lcg/releases/gcc/8.3.0-cebb0/x86_64-centos7/include/c++/8.3.0/bits/ios_base.h:41,
                 from /cvmfs/sft.cern.ch/lcg/releases/gcc/8.3.0-cebb0/x86_64-centos7/include/c++/8.3.0/ios:42,
                 from /cvmfs/sft.cern.ch/lcg/releases/gcc/8.3.0-cebb0/x86_64-centos7/include/c++/8.3.0/istream:38,
                 from /cvmfs/sft.cern.ch/lcg/releases/gcc/8.3.0-cebb0/x86_64-centos7/include/c++/8.3.0/sstream:38,
                 from /cvmfs/sft.cern.ch/lcg/releases/gcc/8.3.0-cebb0/x86_64-centos7/include/c++/8.3.0/complex:45,
                 from /cvmfs/geant4.cern.ch/geant4/10.7.p03/x86_64-centos7-gcc8-optdeb-MT/include/Geant4/G4Types.hh:74,
                 from /cvmfs/geant4.cern.ch/geant4/10.7.p03/x86_64-centos7-gcc8-optdeb-MT/include/Geant4/G4ios.hh:35,
                 from /cvmfs/geant4.cern.ch/geant4/10.7.p03/x86_64-centos7-gcc8-optdeb-MT/include/Geant4/globals.hh:35,
                 from /home/casaburf/B1/include/StackingAction.hh:37,
                 from /home/casaburf/B1/src/StackingAction.cc:33:
/cvmfs/sft.cern.ch/lcg/releases/gcc/8.3.0-cebb0/x86_64-centos7/include/c++/8.3.0/string_view:71:11: note: previous declaration ‘template<class _CharT, class _Traits> class std::basic_string_view’
     class basic_string_view
           ^~~~~~~~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:30,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TypeTraits.hxx:40:8: error: ‘CallableTraitsImpl’ is not a class template
 struct CallableTraitsImpl<T, true> {
        ^~~~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TypeTraits.hxx:40:34: error: conflicting declaration of template ‘template<class T> struct ROOT::Detail::CallableTraitsImpl’
 struct CallableTraitsImpl<T, true> {
                                  ^
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TypeTraits.hxx:36:8: note: previous declaration ‘template<class T, bool HasCallOp> struct ROOT::Detail::CallableTraitsImpl’
 struct CallableTraitsImpl {};
        ^~~~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TypeTraits.hxx:48:8: error: ‘CallableTraitsImpl’ is not a class template
 struct CallableTraitsImpl<R (T::*)(Args...) const, false> {
        ^~~~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TypeTraits.hxx:48:57: error: conflicting declaration of template ‘template<class R, class T, class ... Args> struct ROOT::Detail::CallableTraitsImpl’
 struct CallableTraitsImpl<R (T::*)(Args...) const, false> {
                                                         ^
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TypeTraits.hxx:36:8: note: previous declaration ‘template<class T, bool HasCallOp> struct ROOT::Detail::CallableTraitsImpl’
 struct CallableTraitsImpl {};
        ^~~~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TypeTraits.hxx:56:8: error: ‘CallableTraitsImpl’ is not a class template
 struct CallableTraitsImpl<R (T::*)(Args...), false> {
        ^~~~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TypeTraits.hxx:56:51: error: conflicting declaration of template ‘template<class R, class T, class ... Args> struct ROOT::Detail::CallableTraitsImpl’
 struct CallableTraitsImpl<R (T::*)(Args...), false> {
                                                   ^
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TypeTraits.hxx:36:8: note: previous declaration ‘template<class T, bool HasCallOp> struct ROOT::Detail::CallableTraitsImpl’
 struct CallableTraitsImpl {};
        ^~~~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TypeTraits.hxx:64:8: error: ‘CallableTraitsImpl’ is not a class template
 struct CallableTraitsImpl<R (*)(Args...), false> {
        ^~~~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TypeTraits.hxx:64:48: error: conflicting declaration of template ‘template<class R, class ... Args> struct ROOT::Detail::CallableTraitsImpl’
 struct CallableTraitsImpl<R (*)(Args...), false> {
                                                ^
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TypeTraits.hxx:36:8: note: previous declaration ‘template<class T, bool HasCallOp> struct ROOT::Detail::CallableTraitsImpl’
 struct CallableTraitsImpl {};
        ^~~~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TypeTraits.hxx:72:8: error: ‘CallableTraitsImpl’ is not a class template
 struct CallableTraitsImpl<R(Args...), false> {
        ^~~~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TypeTraits.hxx:72:44: error: conflicting declaration of template ‘template<class R, class ... Args> struct ROOT::Detail::CallableTraitsImpl’
 struct CallableTraitsImpl<R(Args...), false> {
                                            ^
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TypeTraits.hxx:36:8: note: previous declaration ‘template<class T, bool HasCallOp> struct ROOT::Detail::CallableTraitsImpl’
 struct CallableTraitsImpl {};
        ^~~~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TypeTraits.hxx:87:7: error: ‘IsSmartOrDumbPtr’ is not a class template
 class IsSmartOrDumbPtr<std::shared_ptr<P>> : public std::true_type {
       ^~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TypeTraits.hxx:87:41: error: conflicting declaration of template ‘template<class P> struct ROOT::TypeTraits::IsSmartOrDumbPtr’
 class IsSmartOrDumbPtr<std::shared_ptr<P>> : public std::true_type {
                                         ^~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TypeTraits.hxx:83:7: note: previous declaration ‘template<class T> class ROOT::TypeTraits::IsSmartOrDumbPtr’
 class IsSmartOrDumbPtr : public std::integral_constant<bool, std::is_pointer<T>::value> {
       ^~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TypeTraits.hxx:91:7: error: ‘IsSmartOrDumbPtr’ is not a class template
 class IsSmartOrDumbPtr<std::unique_ptr<P>> : public std::true_type {
       ^~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TypeTraits.hxx:91:41: error: conflicting declaration of template ‘template<class P> struct ROOT::TypeTraits::IsSmartOrDumbPtr’
 class IsSmartOrDumbPtr<std::unique_ptr<P>> : public std::true_type {
                                         ^~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TypeTraits.hxx:83:7: note: previous declaration ‘template<class T> class ROOT::TypeTraits::IsSmartOrDumbPtr’
 class IsSmartOrDumbPtr : public std::integral_constant<bool, std::is_pointer<T>::value> {
       ^~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TypeTraits.hxx:128:34: error: expected nested-name-specifier before ‘TakeFirstType’
 using TakeFirstType_t = typename TakeFirstType<Types...>::type;
                                  ^~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TypeTraits.hxx:134:17: error: ‘TypeList’ does not name a type
    using type = TypeList<Rest...>;
                 ^~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TypeTraits.hxx:138:32: error: expected nested-name-specifier before ‘RemoveFirst’
 using RemoveFirst_t = typename RemoveFirst<Args...>::type;
                                ^~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TypeTraits.hxx:150:8: error: ‘TakeFirstParameter’ is not a class template
 struct TakeFirstParameter<Template<T, Rest...>> {
        ^~~~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TypeTraits.hxx:150:46: error: conflicting declaration of template ‘template<template<class ...> class Template, class T, class ... Rest> struct ROOT::TypeTraits::TakeFirstParameter’
 struct TakeFirstParameter<Template<T, Rest...>> {
                                              ^~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TypeTraits.hxx:145:8: note: previous declaration ‘template<class T> struct ROOT::TypeTraits::TakeFirstParameter’
 struct TakeFirstParameter {
        ^~~~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TypeTraits.hxx:155:39: error: expected nested-name-specifier before ‘TakeFirstParameter’
 using TakeFirstParameter_t = typename TakeFirstParameter<T>::type;
                                       ^~~~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TypeTraits.hxx:164:8: error: ‘RemoveFirstParameter’ is not a class template
 struct RemoveFirstParameter<U<T, Rest...>> {
        ^~~~~~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TypeTraits.hxx:164:41: error: conflicting declaration of template ‘template<class T, template<class ...> class U, class ... Rest> struct ROOT::TypeTraits::RemoveFirstParameter’
 struct RemoveFirstParameter<U<T, Rest...>> {
                                         ^~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TypeTraits.hxx:160:8: note: previous declaration ‘template<class> struct ROOT::TypeTraits::RemoveFirstParameter’
 struct RemoveFirstParameter {
        ^~~~~~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TypeTraits.hxx:169:41: error: expected nested-name-specifier before ‘RemoveFirstParameter’
 using RemoveFirstParameter_t = typename RemoveFirstParameter<T>::type;
                                         ^~~~~~~~~~~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:41:7: error: conflicting declaration ‘struct TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: previous declaration as ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:43:7: error: conflicting declaration ‘struct TObjArray’
 class TObjArray;
       ^~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:32:7: note: previous declaration as ‘class TObjArray’
 class TObjArray;
       ^~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:45:7: error: conflicting declaration ‘struct TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:48:7: note: previous declaration as ‘class TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:46:7: error: conflicting declaration ‘struct TClass’
 class TClass;
       ^~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:47:7: note: previous declaration as ‘class TClass’
 class TClass;
       ^~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:82:7: error: conflicting declaration ‘struct TSubString’
 class TSubString {
       ^~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:42:7: note: previous declaration as ‘class TSubString’
 class TSubString;
       ^~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:136:7: error: conflicting declaration ‘struct TString’
 class TString {
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: previous declaration as ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h: In function ‘std::__cxx11::string& std::operator+=(std::__cxx11::string&, const TString&)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:480:23: error: invalid use of incomplete type ‘const class TString’
    return left.append(right.Data());
                       ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h: In function ‘UInt_t std::Hash(const TString&)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:486:36: warning: declaration of ‘s’ shadows a global declaration [-Wshadow]
 inline UInt_t Hash(const TString &s) { return s.Hash(); }
                                    ^
In file included from /cvmfs/geant4.cern.ch/geant4/10.7.p03/x86_64-centos7-gcc8-optdeb-MT/include/Geant4/G4SystemOfUnits.hh:36,
                 from /home/casaburf/B1/src/StackingAction.cc:35:
/cvmfs/sft.cern.ch/lcg/views/LCG_geant4ext20201111/x86_64-centos7-gcc8-opt/include/CLHEP/Units/SystemOfUnits.h:152:28: note: shadowed declaration is here
   static constexpr double  s = second;
                            ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:486:47: error: invalid use of incomplete type ‘const class TString’
 inline UInt_t Hash(const TString &s) { return s.Hash(); }
                                               ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h: In function ‘UInt_t std::Hash(const TString*)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:487:36: warning: declaration of ‘s’ shadows a global declaration [-Wshadow]
 inline UInt_t Hash(const TString *s) { return s->Hash(); }
                                    ^
In file included from /cvmfs/geant4.cern.ch/geant4/10.7.p03/x86_64-centos7-gcc8-optdeb-MT/include/Geant4/G4SystemOfUnits.hh:36,
                 from /home/casaburf/B1/src/StackingAction.cc:35:
/cvmfs/sft.cern.ch/lcg/views/LCG_geant4ext20201111/x86_64-centos7-gcc8-opt/include/CLHEP/Units/SystemOfUnits.h:152:28: note: shadowed declaration is here
   static constexpr double  s = second;
                            ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:487:48: error: invalid use of incomplete type ‘const class TString’
 inline UInt_t Hash(const TString *s) { return s->Hash(); }
                                                ^~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h: At global scope:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:521:19: error: ‘s’ has incomplete type
 operator+(TString s, T i)
           ~~~~~~~~^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h: In function ‘typename std::enable_if<ROOT::TypeTraits::IsSignedNumeral<T>::value, TString>::type std::operator+(TString, T)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:521:25: warning: declaration of ‘s’ shadows a global declaration [-Wshadow]
 operator+(TString s, T i)
                         ^
In file included from /cvmfs/geant4.cern.ch/geant4/10.7.p03/x86_64-centos7-gcc8-optdeb-MT/include/Geant4/G4SystemOfUnits.hh:36,
                 from /home/casaburf/B1/src/StackingAction.cc:35:
/cvmfs/sft.cern.ch/lcg/views/LCG_geant4ext20201111/x86_64-centos7-gcc8-opt/include/CLHEP/Units/SystemOfUnits.h:152:28: note: shadowed declaration is here
   static constexpr double  s = second;
                            ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h: At global scope:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:526:19: error: ‘s’ has incomplete type
 operator+(TString s, T u)
           ~~~~~~~~^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h: In function ‘typename std::enable_if<ROOT::TypeTraits::IsUnsignedNumeral<T>::value, TString>::type std::operator+(TString, T)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:526:25: warning: declaration of ‘s’ shadows a global declaration [-Wshadow]
 operator+(TString s, T u)
                         ^
In file included from /cvmfs/geant4.cern.ch/geant4/10.7.p03/x86_64-centos7-gcc8-optdeb-MT/include/Geant4/G4SystemOfUnits.hh:36,
                 from /home/casaburf/B1/src/StackingAction.cc:35:
/cvmfs/sft.cern.ch/lcg/views/LCG_geant4ext20201111/x86_64-centos7-gcc8-opt/include/CLHEP/Units/SystemOfUnits.h:152:28: note: shadowed declaration is here
   static constexpr double  s = second;
                            ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h: At global scope:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:531:19: error: ‘s’ has incomplete type
 operator+(TString s, T f)
           ~~~~~~~~^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h: In function ‘typename std::enable_if<std::is_floating_point<_Tp>::value, TString>::type std::operator+(TString, T)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:531:25: warning: declaration of ‘s’ shadows a global declaration [-Wshadow]
 operator+(TString s, T f)
                         ^
In file included from /cvmfs/geant4.cern.ch/geant4/10.7.p03/x86_64-centos7-gcc8-optdeb-MT/include/Geant4/G4SystemOfUnits.hh:36,
                 from /home/casaburf/B1/src/StackingAction.cc:35:
/cvmfs/sft.cern.ch/lcg/views/LCG_geant4ext20201111/x86_64-centos7-gcc8-opt/include/CLHEP/Units/SystemOfUnits.h:152:28: note: shadowed declaration is here
   static constexpr double  s = second;
                            ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h: In function ‘typename std::enable_if<ROOT::TypeTraits::IsSignedNumeral<T>::value, TString>::type std::operator+(T, const TString&)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:536:32: warning: declaration of ‘s’ shadows a global declaration [-Wshadow]
 operator+(T i, const TString &s)
                                ^
In file included from /cvmfs/geant4.cern.ch/geant4/10.7.p03/x86_64-centos7-gcc8-optdeb-MT/include/Geant4/G4SystemOfUnits.hh:36,
                 from /home/casaburf/B1/src/StackingAction.cc:35:
/cvmfs/sft.cern.ch/lcg/views/LCG_geant4ext20201111/x86_64-centos7-gcc8-opt/include/CLHEP/Units/SystemOfUnits.h:152:28: note: shadowed declaration is here
   static constexpr double  s = second;
                            ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:541:44: warning: invalid use of incomplete type ‘const class TString’
     return TString(buffer, strlen(buffer), s.Data(), s.Length());
                                            ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:541:54: warning: invalid use of incomplete type ‘const class TString’
     return TString(buffer, strlen(buffer), s.Data(), s.Length());
                                                      ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h: In function ‘typename std::enable_if<ROOT::TypeTraits::IsUnsignedNumeral<T>::value, TString>::type std::operator+(T, const TString&)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:546:32: warning: declaration of ‘s’ shadows a global declaration [-Wshadow]
 operator+(T u, const TString &s)
                                ^
In file included from /cvmfs/geant4.cern.ch/geant4/10.7.p03/x86_64-centos7-gcc8-optdeb-MT/include/Geant4/G4SystemOfUnits.hh:36,
                 from /home/casaburf/B1/src/StackingAction.cc:35:
/cvmfs/sft.cern.ch/lcg/views/LCG_geant4ext20201111/x86_64-centos7-gcc8-opt/include/CLHEP/Units/SystemOfUnits.h:152:28: note: shadowed declaration is here
   static constexpr double  s = second;
                            ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:551:44: warning: invalid use of incomplete type ‘const class TString’
     return TString(buffer, strlen(buffer), s.Data(), s.Length());
                                            ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:551:54: warning: invalid use of incomplete type ‘const class TString’
     return TString(buffer, strlen(buffer), s.Data(), s.Length());
                                                      ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h: In function ‘typename std::enable_if<std::is_floating_point<_Tp>::value, TString>::type std::operator+(T, const TString&)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:556:32: warning: declaration of ‘s’ shadows a global declaration [-Wshadow]
 operator+(T f, const TString &s)
                                ^
In file included from /cvmfs/geant4.cern.ch/geant4/10.7.p03/x86_64-centos7-gcc8-optdeb-MT/include/Geant4/G4SystemOfUnits.hh:36,
                 from /home/casaburf/B1/src/StackingAction.cc:35:
/cvmfs/sft.cern.ch/lcg/views/LCG_geant4ext20201111/x86_64-centos7-gcc8-opt/include/CLHEP/Units/SystemOfUnits.h:152:28: note: shadowed declaration is here
   static constexpr double  s = second;
                            ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:561:44: warning: invalid use of incomplete type ‘const class TString’
     return TString(buffer, strlen(buffer), s.Data(), s.Length());
                                            ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:561:54: warning: invalid use of incomplete type ‘const class TString’
     return TString(buffer, strlen(buffer), s.Data(), s.Length());
                                                      ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h: At global scope:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:564:47: error: invalid use of incomplete type ‘class TString’
 inline TString &TString::Append(const char *cs)
                                               ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:567:57: error: invalid use of incomplete type ‘class TString’
 inline TString &TString::Append(const char *cs, Ssiz_t n)
                                                         ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:570:49: error: invalid use of incomplete type ‘class TString’
 inline TString &TString::Append(const TString &s)
                                                 ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:573:59: error: invalid use of incomplete type ‘class TString’
 inline TString &TString::Append(const TString &s, Ssiz_t n)
                                                           ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:576:51: error: invalid use of incomplete type ‘class TString’
 inline TString &TString::operator+=(const char *cs)
                                                   ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:579:53: error: invalid use of incomplete type ‘class TString’
 inline TString &TString::operator+=(const TString &s)
                                                     ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:582:43: error: invalid use of incomplete type ‘class TString’
 inline TString &TString::operator+=(char c)
                                           ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:587:25: error: invalid use of incomplete type ‘class TString’
 &TString::operator+=(T i)
                         ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:597:25: error: invalid use of incomplete type ‘class TString’
 &TString::operator+=(T u)
                         ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:607:25: error: invalid use of incomplete type ‘class TString’
 &TString::operator+=(T f)
                         ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:615:50: error: ‘ECaseCompar
’ has not been declared
 inline Bool_t TString::BeginsWith(const char *s, ECaseCompare cmp) const
                                                  ^~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:615:68: error: invalid use of incomplete type ‘class TString’
 inline Bool_t TString::BeginsWith(const char *s, ECaseCompare cmp) const
                                                                    ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:618:55: error: ‘ECaseCompar
’ has not been declared
 inline Bool_t TString::BeginsWith(const TString &pat, ECaseCompare cmp) const
                                                       ^~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:618:73: error: invalid use of incomplete type ‘class TString’
 inline Bool_t TString::BeginsWith(const TString &pat, ECaseCompare cmp) const
                                                                         ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:621:53: error: ‘ECaseCompar
’ has not been declared
 inline Bool_t TString::Contains(const TString &pat, ECaseCompare cmp) const
                                                     ^~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:621:71: error: invalid use of incomplete type ‘class TString’
 inline Bool_t TString::Contains(const TString &pat, ECaseCompare cmp) const
                                                                       ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:624:48: error: ‘ECaseCompar
’ has not been declared
 inline Bool_t TString::Contains(const char *s, ECaseCompare cmp) const
                                                ^~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:624:66: error: invalid use of incomplete type ‘class TString’
 inline Bool_t TString::Contains(const char *s, ECaseCompare cmp) const
                                                                  ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:627:53: error: invalid use of incomplete type ‘class TString’
 inline Bool_t TString::Contains(const TRegexp &pat) const
                                                     ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:630:48: error: invalid use of incomplete type ‘class TString’
 inline Bool_t TString::Contains(TPRegexp &pat) const
                                                ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:633:48: error: ‘ECaseCompar
’ has not been declared
 inline Bool_t TString::EqualTo(const char *cs, ECaseCompare cmp) const
                                                ^~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:633:66: error: invalid use of incomplete type ‘class TString’
 inline Bool_t TString::EqualTo(const char *cs, ECaseCompare cmp) const
                                                                  ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:636:51: error: ‘ECaseCompar
’ has not been declared
 inline Bool_t TString::EqualTo(const TString &st, ECaseCompare cmp) const
                                                   ^~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:636:69: error: invalid use of incomplete type ‘class TString’
 inline Bool_t TString::EqualTo(const TString &st, ECaseCompare cmp) const
                                                                     ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:639:55: error: ‘ECaseCompar
’ has not been declared
 inline Ssiz_t TString::Index(const char *s, Ssiz_t i, ECaseCompare cmp) const
                                                       ^~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:639:73: error: invalid use of incomplete type ‘class TString’
 inline Ssiz_t TString::Index(const char *s, Ssiz_t i, ECaseCompare cmp) const
                                                                         ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:642:58: error: ‘ECaseCompar
’ has not been declared
 inline Ssiz_t TString::Index(const TString &s, Ssiz_t i, ECaseCompare cmp) const
                                                          ^~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:642:76: error: invalid use of incomplete type ‘class TString’
 inline Ssiz_t TString::Index(const TString &s, Ssiz_t i, ECaseCompare cmp) const
                                                                            ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:646:30: error: ‘ECaseCompar
’ has not been declared
                              ECaseCompare cmp) const
                              ^~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:646:48: error: invalid use of incomplete type ‘class TString’
                              ECaseCompare cmp) const
                                                ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:649:59: error: invalid use of incomplete type ‘class TString’
 inline TString &TString::Insert(Ssiz_t pos, const char *cs)
                                                           ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:652:69: error: invalid use of incomplete type ‘class TString’
 inline TString &TString::Insert(Ssiz_t pos, const char *cs, Ssiz_t n)
                                                                     ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:655:61: error: invalid use of incomplete type ‘class TString’
 inline TString &TString::Insert(Ssiz_t pos, const TString &s)
                                                             ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:658:71: error: invalid use of incomplete type ‘class TString’
 inline TString &TString::Insert(Ssiz_t pos, const TString &s, Ssiz_t n)
                                                                       ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:661:48: error: invalid use of incomplete type ‘class TString’
 inline TString &TString::Prepend(const char *cs)
                                                ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:664:58: error: invalid use of incomplete type ‘class TString’
 inline TString &TString::Prepend(const char *cs, Ssiz_t n)
                                                          ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:667:50: error: invalid use of incomplete type ‘class TString’
 inline TString &TString::Prepend(const TString &s)
                                                  ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:670:60: error: invalid use of incomplete type ‘class TString’
 inline TString &TString::Prepend(const TString &s, Ssiz_t n)
                                                            ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:673:43: error: invalid use of incomplete type ‘class TString’
 inline TString &TString::Remove(Ssiz_t pos)
                                           ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:676:53: error: invalid use of incomplete type ‘class TString’
 inline TString &TString::Remove(Ssiz_t pos, Ssiz_t n)
                                                     ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:679:31: error: invalid use of incomplete type ‘class TString’
 inline TString &TString::Chop()
                               ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:682:70: error: invalid use of incomplete type ‘class TString’
 inline TString &TString::Replace(Ssiz_t pos, Ssiz_t n, const char *cs)
                                                                      ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:685:72: error: invalid use of incomplete type ‘class TString’
 inline TString &TString::Replace(Ssiz_t pos, Ssiz_t n, const TString& s)
                                                                        ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:689:43: error: invalid use of incomplete type ‘class TString’
                                  Ssiz_t n2)
                                           ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:692:73: error: invalid use of incomplete type ‘class TString’
 inline TString &TString::ReplaceAll(const TString &s1, const TString &s2)
                                                                         ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:695:70: error: invalid use of incomplete type ‘class TString’
 inline TString &TString::ReplaceAll(const TString &s1, const char *s2)
                                                                      ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:698:70: error: invalid use of incomplete type ‘class TString’
 inline TString &TString::ReplaceAll(const char *s1, const TString &s2)
                                                                      ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:701:66: error: invalid use of incomplete type ‘class TString’
 inline TString &TString::ReplaceAll(const char *s1,const char *s2)
                                                                  ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:704:45: error: invalid use of incomplete type ‘class TString’
 inline TString &TString::Swap(TString &other) {
                                             ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:714:42: error: invalid use of incomplete type ‘class TString’
 inline char &TString::operator()(Ssiz_t i)
                                          ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:717:43: error: invalid use of incomplete type ‘class TString’
 inline char TString::operator()(Ssiz_t i) const
                                           ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:720:42: error: invalid use of incomplete type ‘class TString’
 inline char &TString::operator[](Ssiz_t i)
                                          ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:723:43: error: invalid use of incomplete type ‘class TString’
 inline char TString::operator[](Ssiz_t i) const
                                           ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:726:39: error: invalid use of incomplete type ‘class TSubString’
 inline const char *TSubString::Data() const
                                       ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:42:7: note: forward declaration of ‘class TSubString’
 class TSubString;
       ^~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:746:46: error: invalid use of incomplete type ‘class TSubString’
 inline char TSubString::operator[](Ssiz_t i) const
                                              ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:42:7: note: forward declaration of ‘class TSubString’
 class TSubString;
       ^~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:749:46: error: invalid use of incomplete type ‘class TSubString’
 inline char TSubString::operator()(Ssiz_t i) const
                                              ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:42:7: note: forward declaration of ‘class TSubString’
 class TSubString;
       ^~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:752:61: error: invalid use of incomplete type ‘class TSubString’
 inline TSubString &TSubString::operator=(const TSubString &s)
                                                             ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:42:7: note: forward declaration of ‘class TSubString’
 class TSubString;
       ^~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h: In function ‘Bool_t std::operator==(const TString&, const TString&)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:759:13: error: invalid use of incomplete type ‘const class TString’
    return ((s1.Length() == s2.Length()) &&
             ^~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:759:28: error: invalid use of incomplete type ‘const class TString’
    return ((s1.Length() == s2.Length()) &&
                            ^~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:760:21: error: invalid use of incomplete type ‘const class TString’
             !memcmp(s1.Data(), s2.Data(), s1.Length()));
                     ^~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:760:32: error: invalid use of incomplete type ‘const class TString’
             !memcmp(s1.Data(), s2.Data(), s1.Length()));
                                ^~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:760:43: error: invalid use of incomplete type ‘const class TString’
             !memcmp(s1.Data(), s2.Data(), s1.Length()));
                                           ^~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h: In function ‘Bool_t std::operator<(const TString&, const TString&)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:767:10: error: invalid use of incomplete type ‘const class TString’
 { return s1.CompareTo(s2) < 0; }
          ^~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h: In function ‘Bool_t std::operator>(const TString&, const TString&)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:770:10: error: invalid use of incomplete type ‘const class TString’
 { return s1.CompareTo(s2) > 0; }
          ^~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h: In function ‘Bool_t std::operator<=(const TString&, const TString&)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:773:10: error: invalid use of incomplete type ‘const class TString’
 { return s1.CompareTo(s2) <= 0; }
          ^~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h: In function ‘Bool_t std::operator>=(const TString&, const TString&)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:776:10: error: invalid use of incomplete type ‘const class TString’
 { return s1.CompareTo(s2) >= 0; }
          ^~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h: In function ‘Bool_t std::operator<(const TString&, const char*)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:783:10: error: invalid use of incomplete type ‘const class TString’
 { return s1.CompareTo(s2) < 0; }
          ^~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h: In function ‘Bool_t std::operator>(const TString&, const char*)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:786:10: error: invalid use of incomplete type ‘const class TString’
 { return s1.CompareTo(s2) > 0; }
          ^~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h: In function ‘Bool_t std::operator<=(const TString&, const char*)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:789:10: error: invalid use of incomplete type ‘const class TString’
 { return s1.CompareTo(s2) <= 0; }
          ^~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h: In function ‘Bool_t std::operator>=(const TString&, const char*)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:792:10: error: invalid use of incomplete type ‘const class TString’
 { return s1.CompareTo(s2) >= 0; }
          ^~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h: In function ‘Bool_t std::operator<(const char*, const TString&)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:801:10: error: invalid use of incomplete type ‘const class TString’
 { return s2.CompareTo(s1) > 0; }
          ^~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h: In function ‘Bool_t std::operator>(const char*, const TString&)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:804:10: error: invalid use of incomplete type ‘const class TString’
 { return s2.CompareTo(s1) < 0; }
          ^~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h: In function ‘Bool_t std::operator<=(const char*, const TString&)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:807:10: error: invalid use of incomplete type ‘const class TString’
 { return s2.CompareTo(s1) >= 0; }
          ^~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h: In function ‘Bool_t std::operator>=(const char*, const TString&)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:810:10: error: invalid use of incomplete type ‘const class TString’
 { return s2.CompareTo(s1) <= 0; }
          ^~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h: At global scope:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:29:7: error: conflicting declaration ‘struct TNamed’
 class TNamed : public TObject {
       ^~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:52:7: note: previous declaration as ‘class TNamed’
 class TNamed;
       ^~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TArrayD.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TArray.h:29:7: error: conflicting declaration ‘struct TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:48:7: note: previous declaration as ‘class TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:30:37: error: invalid use of incomplete type ‘class TNamed’
 class TAxis : public TNamed, public TAttAxis {
                                     ^~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:52:7: note: forward declaration of ‘class TNamed’
 class TNamed;
       ^~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:41:17: error: field ‘fTimeFormat’ has incomplete type ‘TString’
    TString      fTimeFormat;     //Date&time format, ex: 09/12/99 12:34:00
                 ^~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:153:53: error: could not convert ‘""’ from ‘const char [1]’ to ‘TString’
                                   TString labText = ""); // *MENU*
                                                     ^~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h: In member function ‘Bool_t TAxis::GetCenterLabels() const’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:114:56: error: ‘TestBit’ was not declared in this scope
            Bool_t     GetCenterLabels() const { return TestBit(kCenterLabels); }
                                                        ^~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:114:56: note: suggested alternative: ‘Text_t’
            Bool_t     GetCenterLabels() const { return TestBit(kCenterLabels); }
                                                        ^~~~~~~
                                                        Text_t
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h: In member function ‘Bool_t TAxis::GetCenterTitle() const’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:115:55: error: ‘TestBit’ was not declared in this scope
            Bool_t     GetCenterTitle() const { return TestBit(kCenterTitle); }
                                                       ^~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:115:55: note: suggested alternative: ‘Text_t’
            Bool_t     GetCenterTitle() const { return TestBit(kCenterTitle); }
                                                       ^~~~~~~
                                                       Text_t
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h: In member function ‘Bool_t TAxis::GetDecimals() const’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:116:52: error: ‘TestBit’ was not declared in this scope
            Bool_t     GetDecimals() const { return TestBit(kDecimals); }
                                                    ^~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:116:52: note: suggested alternative: ‘Text_t’
            Bool_t     GetDecimals() const { return TestBit(kDecimals); }
                                                    ^~~~~~~
                                                    Text_t
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h: In member function ‘Bool_t TAxis::GetMoreLogLabels() const’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:120:57: error: ‘TestBit’ was not declared in this scope
            Bool_t     GetMoreLogLabels() const { return TestBit(kMoreLogLabels); }
                                                         ^~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:120:57: note: suggested alternative: ‘Text_t’
            Bool_t     GetMoreLogLabels() const { return TestBit(kMoreLogLabels); }
                                                         ^~~~~~~
                                                         Text_t
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h: In member function ‘Bool_t TAxis::GetNoExponent() const’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:122:54: error: ‘TestBit’ was not declared in this scope
            Bool_t     GetNoExponent() const { return TestBit(kNoExponent); }
                                                      ^~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:122:54: note: suggested alternative: ‘Text_t’
            Bool_t     GetNoExponent() const { return TestBit(kNoExponent); }
                                                      ^~~~~~~
                                                      Text_t
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h: In member function ‘Bool_t TAxis::GetRotateTitle() const’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:124:55: error: ‘TestBit’ was not declared in this scope
            Bool_t     GetRotateTitle() const { return TestBit(kRotateTitle); }
                                                       ^~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:124:55: note: suggested alternative: ‘Text_t’
            Bool_t     GetRotateTitle() const { return TestBit(kRotateTitle); }
                                                       ^~~~~~~
                                                       Text_t
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h: In member function ‘const char* TAxis::GetTitle() const’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:129:48: error: ‘fTitle’ was not declared in this scope
    const char        *GetTitle() const {return fTitle.Data();}
                                                ^~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:129:48: note: suggested alternative: ‘fBits2’
    const char        *GetTitle() const {return fTitle.Data();}
                                                ^~~~~~
                                                fBits2
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h: In member function ‘void TAxis::CenterLabels(Bool_t)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:177:4: error: ‘SetBit’ was not declared in this scope
    SetBit(kCenterLabels, center);
    ^~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:177:4: note: suggested alternative: ‘Set’
    SetBit(kCenterLabels, center);
    ^~~~~~
    Set
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h: In member function ‘void TAxis::CenterTitle(Bool_t)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:186:4: error: ‘SetBit’ was not declared in this scope
    SetBit(kCenterTitle, center);
    ^~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:186:4: note: suggested alternative: ‘Set’
    SetBit(kCenterTitle, center);
    ^~~~~~
    Set
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h: In member function ‘void TAxis::RotateTitle(Bool_t)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:195:4: error: ‘SetBit’ was not declared in this scope
    SetBit(kRotateTitle, rotate);
    ^~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:195:4: note: suggested alternative: ‘Set’
    SetBit(kRotateTitle, rotate);
    ^~~~~~
    Set
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h: In member function ‘void TAxis::SetDecimals(Bool_t)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:204:4: error: ‘SetBit’ was not declared in this scope
    SetBit(kDecimals, dot);
    ^~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:204:4: note: suggested alternative: ‘Set’
    SetBit(kDecimals, dot);
    ^~~~~~
    Set
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h: In member function ‘void TAxis::SetMoreLogLabels(Bool_t)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:215:5: error: ‘SetBit’ was not declared in this scope
     SetBit(kMoreLogLabels, more);
     ^~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:215:5: note: suggested alternative: ‘Set’
     SetBit(kMoreLogLabels, more);
     ^~~~~~
     Set
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h: In member function ‘void TAxis::SetNoExponent(Bool_t)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:225:4: error: ‘SetBit’ was not declared in this scope
    SetBit(kNoExponent, noExponent);
    ^~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:225:4: note: suggested alternative: ‘Set’
    SetBit(kNoExponent, noExponent);
    ^~~~~~
    Set
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:40,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVectorDfwd.h: At global scope:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVectorDfwd.h:22:31: error: conflicting declaration of template ‘template<class Element> struct TVectorT’
 template<class Element> class TVectorT;
                               ^~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:39,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVectorFfwd.h:22:31: note: previous declaration ‘template<class Element> class TVectorT’
 template<class Element> class TVectorT;
                               ^~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:49:7: error: conflicting declaration ‘struct TBrowser’
 class TBrowser;
       ^~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:30:7: note: previous declaration as ‘class TBrowser’
 class TBrowser;
       ^~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:50:7: error: conflicting declaration ‘struct TDirectory’
 class TDirectory;
       ^~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:49:7: note: previous declaration as ‘class TDirectory’
 class TDirectory;
       ^~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:51:7: error: conflicting declaration ‘struct TList’
 class TList;
       ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:29:7: note: previous declaration as ‘class TList’
 class TList;
       ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:52:7: error: conflicting declaration ‘struct TCollection’
 class TCollection;
       ^~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:53:7: note: previous declaration as ‘class TCollection’
 class TCollection;
       ^~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:58:69: error: invalid use of incomplete type ‘class TNamed’
 class TH1 : public TNamed, public TAttLine, public TAttFill, public TAttMarker {
                                                                     ^~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:52:7: note: forward declaration of ‘class TNamed’
 class TNamed;
       ^~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:104:19: error: field ‘fOption’ has incomplete type ‘TString’
     TString       fOption;          ///< histogram options
                   ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h: In member function ‘virtual Bool_t TH1::IsHighlight() const’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:334:50: error: ‘TestBit’ was not declared in this scope
    virtual Bool_t   IsHighlight() const { return TestBit(kIsHighlight); }
                                                  ^~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:334:50: note: suggested alternative: ‘GetBin’
    virtual Bool_t   IsHighlight() const { return TestBit(kIsHighlight); }
                                                  ^~~~~~~
                                                  GetBin
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h: In member function ‘virtual void TH1::SetXTitle(const char*)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:413:58: error: ‘class TAxis’ has no member named ‘SetTitle’; did you mean ‘GetTitle’?
    virtual void     SetXTitle(const char *title) {fXaxis.SetTitle(title);}
                                                          ^~~~~~~~
                                                          GetTitle
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h: In member function ‘virtual void TH1::SetYTitle(const char*)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:414:58: error: ‘class TAxis’ has no member named ‘SetTitle’; did you mean ‘GetTitle’?
    virtual void     SetYTitle(const char *title) {fYaxis.SetTitle(title);}
                                                          ^~~~~~~~
                                                          GetTitle
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h: In member function ‘virtual void TH1::SetZTitle(const char*)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:415:58: error: ‘class TAxis’ has no member named ‘SetTitle’; did you mean ‘GetTitle’?
    virtual void     SetZTitle(const char *title) {fZaxis.SetTitle(title);}
                                                          ^~~~~~~~
                                                          GetTitle
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h: In member function ‘virtual Double_t TH1::GetCellContent(Int_t, Int_t) const’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:428:27: error: ‘Obsolete’ was not declared in this scope
                         { Obsolete("GetCellContent", "v6-00", "v6-04"); return GetBinContent(GetBin(binx, biny)); }
                           ^~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:428:27: note: suggested alternative: ‘kViolet’
                         { Obsolete("GetCellContent", "v6-00", "v6-04"); return GetBinContent(GetBin(binx, biny)); }
                           ^~~~~~~~
                           kViolet
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h: In member function ‘virtual Double_t TH1::GetCellError(Int_t, Int_t) const’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:430:27: error: ‘Obsolete’ was not declared in this scope
                         { Obsolete("GetCellError", "v6-00", "v6-04"); return GetBinError(binx, biny); }
                           ^~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:430:27: note: suggested alternative: ‘kViolet’
                         { Obsolete("GetCellError", "v6-00", "v6-04"); return GetBinError(binx, biny); }
                           ^~~~~~~~
                           kViolet
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h: In member function ‘virtual void TH1::RebinAxis(Double_t, TAxis*)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:432:27: error: ‘Obsolete’ was not declared in this scope
                         { Obsolete("RebinAxis", "v6-00", "v6-04"); ExtendAxis(x, axis); }
                           ^~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:432:27: note: suggested alternative: ‘kViolet’
                         { Obsolete("RebinAxis", "v6-00", "v6-04"); ExtendAxis(x, axis); }
                           ^~~~~~~~
                           kViolet
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h: In member function ‘virtual void TH1::SetCellContent(Int_t, Int_t, Double_t)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:434:27: error: ‘Obsolete’ was not declared in this scope
                         { Obsolete("SetCellContent", "v6-00", "v6-04"); SetBinContent(GetBin(binx, biny), content); }
                           ^~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:434:27: note: suggested alternative: ‘kViolet’
                         { Obsolete("SetCellContent", "v6-00", "v6-04"); SetBinContent(GetBin(binx, biny), content); }
                           ^~~~~~~~
                           kViolet
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h: In member function ‘virtual void TH1::SetCellError(Int_t, Int_t, Double_t)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:436:27: error: ‘Obsolete’ was not declared in this scope
                         { Obsolete("SetCellError", "v6-00", "v6-04"); SetBinError(binx, biny, content); }
                           ^~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:436:27: note: suggested alternative: ‘kViolet’
                         { Obsolete("SetCellError", "v6-00", "v6-04"); SetBinError(binx, biny, content); }
                           ^~~~~~~~
                           kViolet
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h: At global scope:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:618:7: error: conflicting declaration ‘struct TH1D’
 class TH1D : public TH1, public TArrayD {
       ^~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:48:7: note: previous declaration as ‘class TH1D’
 class TH1D;
       ^~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:653:43: error: return type ‘class TH1D’ is incomplete
 TH1D operator*(const TH1D &h1, Double_t c1) {return operator*(c1,h1);}
                                           ^
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h: In function ‘void std::operator*(const TH1D&, Double_t)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:653:68: error: invalid use of incomplete type ‘class TH1D’
 TH1D operator*(const TH1D &h1, Double_t c1) {return operator*(c1,h1);}
                                                                    ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:48:7: note: forward declaration of ‘class TH1D’
 class TH1D;
       ^~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:27,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Compression.h: At global scope:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Compression.h:107:35: error: ‘RCompressionSetting’ has not been declared
    kUseGlobalCompressionSetting = RCompressionSetting::EAlgorithm::kUseGlobal,
                                   ^~~~~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Compression.h:109:24: error: ‘RCompressionSetting’ has not been declared
    kUseGlobalSetting = RCompressionSetting::EAlgorithm::kUseGlobal,
                        ^~~~~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Compression.h:111:12: error: ‘RCompressionSetting’ has not been declared
    kZLIB = RCompressionSetting::EAlgorithm::kZLIB,
            ^~~~~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Compression.h:113:12: error: ‘RCompressionSetting’ has not been declared
    kLZMA = RCompressionSetting::EAlgorithm::kLZMA,
            ^~~~~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Compression.h:115:26: error: ‘RCompressionSetting’ has not been declared
    kOldCompressionAlgo = RCompressionSetting::EAlgorithm::kOldCompressionAlgo,
                          ^~~~~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Compression.h:117:11: error: ‘RCompressionSetting’ has not been declared
    kLZ4 = RCompressionSetting::EAlgorithm::kLZ4,
           ^~~~~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Compression.h:119:12: error: ‘RCompressionSetting’ has not been declared
    kZSTD = RCompressionSetting::EAlgorithm::kZSTD,
            ^~~~~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Compression.h:121:37: error: ‘RCompressionSetting’ has not been declared
    kUndefinedCompressionAlgorithm = RCompressionSetting::EAlgorithm::kUndefined
                                     ^~~~~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Compression.h:124:57: error: expected primary-expression before ‘algorithm’
 int CompressionSettings(RCompressionSetting::EAlgorithm algorithm, int compressionLevel);
                                                         ^~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Compression.h:124:68: error: expected primary-expression before ‘int’
 int CompressionSettings(RCompressionSetting::EAlgorithm algorithm, int compressionLevel);
                                                                    ^~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Compression.h:124:88: error: expression list treated as compound expression in initializer [-fpermissive]
 int CompressionSettings(RCompressionSetting::EAlgorithm algorithm, int compressionLevel);
                                                                                        ^
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Compression.h:126:84: error: ‘int std::CompressionSettings(ROOT::ECompressionAlgorithm, int)’ conflicts with a previous declaration
 int CompressionSettings(ROOT::ECompressionAlgorithm algorithm, int compressionLevel);
                                                                                    ^
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Compression.h:124:5: note: previous declaration ‘int ROOT::CompressionSettings’
 int CompressionSettings(RCompressionSetting::EAlgorithm algorithm, int compressionLevel);
     ^~~~~~~~~~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:23,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:25,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDictionary.h:59:7: error: conflicting declaration ‘struct MethodArgInfo_t’
 class MethodArgInfo_t;
       ^~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDictionary.h:58:7: note: previous declaration as ‘class MethodArgInfo_t’
 class MethodArgInfo_t;
       ^~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDictionary.h:167:28: error: invalid use of incomplete type ‘class TNamed’
 class TDictionary : public TNamed {
                            ^~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:52:7: note: forward declaration of ‘class TNamed’
 class TNamed;
       ^~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:23,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:25,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDictionary.h: In constructor ‘TDictionary::TDictionary(const char*)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDictionary.h:178:35: error: type ‘TNamed’ is not a direct base of ‘TDictionary’
    TDictionary(const char* name): TNamed(name, ""), fAttributeMap(0), fUpdatingTransactionCount(0) { }
                                   ^~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h:2
,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TSeqCollection.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObjArray.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:29,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:25,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TIterator.h: At global scope:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TIterator.h:27:7: error: conflicting declaration ‘struct TCollection’
 class TCollection;
       ^~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:53:7: note: previous declaration as ‘class TCollection’
 class TCollection;
       ^~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h:2
,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TSeqCollection.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObjArray.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:29,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:25,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TIterator.h:28:7: error: conflicting declaration ‘struct TObject’
 class TObject;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:37:7: note: previous declaration as ‘class TObject’
 class TObject {
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVirtualRWMutex.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h:3
,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TSeqCollection.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObjArray.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:29,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:25,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVirtualMutex.h:27:7: error: conflicting declaration ‘struct TVirtualMutex’
 class TVirtualMutex;
       ^~~~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:44:7: note: previous declaration as ‘class TVirtualMutex’
 class TVirtualMutex;
       ^~~~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVirtualRWMutex.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h:3
,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TSeqCollection.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObjArray.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:29,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:25,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVirtualMutex.h:32:7: error: conflicting declaration ‘struct TVirtualMutex’
 class TVirtualMutex {
       ^~~~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:44:7: note: previous declaration as ‘class TVirtualMutex’
 class TVirtualMutex;
       ^~~~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVirtualRWMutex.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h:3
,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TSeqCollection.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObjArray.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:29,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:25,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVirtualMutex.h: In constructor ‘TLockGuard::TLockGuard(TVirtualMutex*)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVirtualMutex.h:77:42: error: invalid use of incomplete type ‘class TVirtualMutex’
      : fMutex(mutex) { if (fMutex) fMutex->Lock(); }
                                          ^~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:44:7: note: forward declaration of ‘class TVirtualMutex’
 class TVirtualMutex;
       ^~~~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVirtualRWMutex.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h:3
,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TSeqCollection.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObjArray.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:29,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:25,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVirtualMutex.h: In member function ‘Int_t TLockGuard::UnLock()’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVirtualMutex.h:82:17: error: invalid use of incomplete type ‘class TVirtualMutex’
       return tmp->UnLock();
                 ^~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:44:7: note: forward declaration of ‘class TVirtualMutex’
 class TVirtualMutex;
       ^~~~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVirtualRWMutex.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h:3
,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TSeqCollection.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObjArray.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:29,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:25,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVirtualMutex.h: In destructor ‘TLockGuard::~TLockGuard()’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVirtualMutex.h:84:38: error: invalid use of incomplete type ‘class TVirtualMutex’
    ~TLockGuard() { if (fMutex) fMutex->UnLock(); }
                                      ^~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:44:7: note: forward declaration of ‘class TVirtualMutex’
 class TVirtualMutex;
       ^~~~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h:3
,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TSeqCollection.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObjArray.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:29,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:25,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVirtualRWMutex.h: At global scope:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVirtualRWMutex.h:37:11: error: ‘TVirtualRWMutex’ does not name a type
 R__EXTERN TVirtualRWMutex *gCoreMutex;
           ^~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVirtualRWMutex.h:39:7: error: conflicting declaration ‘struct ROOT::TVirtualRWMutex’
 class TVirtualRWMutex : public TVirtualMutex  {
       ^~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVirtualRWMutex.h:32:7: note: previous declaration as ‘class ROOT::TVirtualRWMutex’
 class TVirtualRWMutex;
       ^~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVirtualRWMutex.h:112:4: error: ‘TVirtualRWMutex’ does not name a type
    TVirtualRWMutex *const fMutex;
    ^~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVirtualRWMutex.h:113:4: error: ‘TVirtualRWMutex’ does not name a type
    TVirtualRWMutex::Hint_t *fHint;
    ^~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVirtualRWMutex.h:119:34: error: expected ‘)’ before ‘*’ token
    TReadLockGuard(TVirtualRWMutex *mutex) : fMutex(mutex), fHint(nullptr) {
                  ~               ^~
                                  )
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVirtualRWMutex.h: In destructor ‘ROOT::TReadLockGuard::~TReadLockGuard()’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVirtualRWMutex.h:123:28: error: ‘fMutex’ was not declared in this scope
    ~TReadLockGuard() { if (fMutex) fMutex->ReadUnLock(fHint); }
                            ^~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVirtualRWMutex.h:123:28: note: suggested alternative: ‘G4Mutex’
    ~TReadLockGuard() { if (fMutex) fMutex->ReadUnLock(fHint); }
                            ^~~~~~
                            G4Mutex
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVirtualRWMutex.h:123:55: error: ‘fHint’ was not declared in this scope
    ~TReadLockGuard() { if (fMutex) fMutex->ReadUnLock(fHint); }
                                                       ^~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVirtualRWMutex.h:123:55: note: suggested alternative: ‘G4int’
    ~TReadLockGuard() { if (fMutex) fMutex->ReadUnLock(fHint); }
                                                       ^~~~~
                                                       G4int
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVirtualRWMutex.h: At global scope:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVirtualRWMutex.h:131:4: error: ‘TVirtualRWMutex’ does not name a type
    TVirtualRWMutex *const fMutex;
    ^~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVirtualRWMutex.h:132:4: error: ‘TVirtualRWMutex’ does not name a type
    TVirtualRWMutex::Hint_t *fHint;
    ^~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVirtualRWMutex.h:138:35: error: expected ‘)’ before ‘*’ token
    TWriteLockGuard(TVirtualRWMutex *mutex) : fMutex(mutex), fHint(nullptr) {
                   ~               ^~
                                   )
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVirtualRWMutex.h: In destructor ‘ROOT::TWriteLockGuard::~TWriteLockGuard()’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVirtualRWMutex.h:142:29: error: ‘fMutex’ was not declared in this scope
    ~TWriteLockGuard() { if (fMutex) fMutex->WriteUnLock(fHint); }
                             ^~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVirtualRWMutex.h:142:29: note: suggested alternative: ‘G4Mutex’
    ~TWriteLockGuard() { if (fMutex) fMutex->WriteUnLock(fHint); }
                             ^~~~~~
                             G4Mutex
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVirtualRWMutex.h:142:57: error: ‘fHint’ was not declared in this scope
    ~TWriteLockGuard() { if (fMutex) fMutex->WriteUnLock(fHint); }
                                                         ^~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVirtualRWMutex.h:142:57: note: suggested alternative: ‘G4int’
    ~TWriteLockGuard() { if (fMutex) fMutex->WriteUnLock(fHint); }
                                                         ^~~~~
                                                         G4int
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TSeqCollection.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObjArray.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:29,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:25,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h: At global scope:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h:35:7: error: conflicting declaration ‘struct TClass’
 class TClass;
       ^~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:47:7: note: previous declaration as ‘class TClass’
 class TClass;
       ^~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TSeqCollection.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObjArray.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:29,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:25,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h:37:7: error: conflicting declaration ‘struct TVirtualMutex’
 class TVirtualMutex;
       ^~~~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TString.h:44:7: note: previous declaration as ‘class TVirtualMutex’
 class TVirtualMutex;
       ^~~~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TSeqCollection.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObjArray.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:29,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:25,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h:63:7: error: conflicting declaration ‘struct TCollection’
 class TCollection : public TObject {
       ^~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:53:7: note: previous declaration as ‘class TCollection’
 class TCollection;
       ^~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TSeqCollection.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObjArray.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:29,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:25,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h:233:7: error: conflicting declaration ‘struct TIter’
 class TIter {
       ^~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h:38:7: note: previous declaration as ‘class TIter’
 class TIter;
       ^~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h:272:48: error: invalid use of incomplete type ‘class TIter’
 class TIterCategory: public TIter, public std::iterator_traits<typename T::Iterator_t> {
                                                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h:38:7: note: forward declaration of ‘class TIter’
 class TIter;
       ^~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h: In member function ‘TIterCategory<T>& TIterCategory<T>::Begin()’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h:278:36: error: incomplete type ‘TIter’ used in nested name specifier
    TIterCategory &Begin() { TIter::Begin(); return *this; }
                                    ^~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h: At global scope:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h:283:35: error: invalid use of incomplete type ‘class TCollection’
 inline TIter TCollection::begin() const { return ++(TIter(this)); }
                                   ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:53:7: note: forward declaration of ‘class TCollection’
 class TCollection;
       ^~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TSeqCollection.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObjArray.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:29,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:25,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h:284:33: error: invalid use of incomplete type ‘class TCollection’
 inline TIter TCollection::end() const { return TIter::End(); }
                                 ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:53:7: note: forward declaration of ‘class TCollection’
 class TCollection;
       ^~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TSeqCollection.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObjArray.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:29,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:25,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h:294:38: error: invalid use of incomplete type ‘class TIter’
 class TRangeDynCastIterator : public TIter {
                                      ^~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h:38:7: note: forward declaration of ‘class TIter’
 class TIter;
       ^~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h:305:17: error: type ‘TIter’ is not a base type for type ‘ROOT::Internal::TRangeDynCastIterator<Containee>’
    using TIter::TIter;
                 ^~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h: In member function ‘Containee* ROOT::Internal::TRangeDynCastIterator<Containee>::Next()’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h:310:64: error: incomplete type ‘TIter’ used in nested name specifier
    Containee *Next() { return dynamic_cast<Containee *>(TIter::Next()); }
                                                                ^~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h: In member function ‘Containee* ROOT::Internal::TRangeDynCastIterator<Containee>::operator*() const’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h:311:83: error: incomplete type ‘TIter’ used in nested name specifier
    Containee *operator*() const { return dynamic_cast<Containee *>(TIter::operator*()); }
                                                                                   ^
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h: At global scope:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h:336:27: error: invalid use of incomplete type ‘class TIter’
 class TTypedIter : public TIter {
                           ^~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h:38:7: note: forward declaration of ‘class TIter’
 class TIter;
       ^~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h:353:17: error: type ‘TIter’ is not a base type for type ‘ROOT::Detail::TTypedIter<Containee>’
    using TIter::TIter;
                 ^~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h: In member function ‘Containee* ROOT::Detail::TTypedIter<Containee>::operator()()’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h:356:55: error: incomplete type ‘TIter’ used in nested name specifier
    Containee *operator()() { return StaticCast(TIter::Next()); }
                                                       ^~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h: In member function ‘Containee* ROOT::Detail::TTypedIter<Containee>::Next()’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h:357:49: error: incomplete type ‘TIter’ used in nested name specifier
    Containee *Next() { return StaticCast(TIter::Next()); }
                                                 ^~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h: In member function ‘Containee* ROOT::Detail::TTypedIter<Containee>::operator*() const’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h:358:68: error: incomplete type ‘TIter’ used in nested name specifier
    Containee *operator*() const { return StaticCast(TIter::operator*()); }
                                                                    ^
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h: At global scope:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h:389:4: error: ‘TTypedIter’ does not name a type
    TTypedIter<T> begin() const { return fCollection.begin(); }
    ^~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h:390:4: error: ‘TTypedIter’ does not name a type
    TTypedIter<T> end() const { return fCollection.end(); }
    ^~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h: In member function ‘ROOT::Internal::TRangeDynCastIterator<T> TRangeDynCast<T>::begin() const’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h:418:68: warning: invalid use of incomplete type ‘const class TCollection’
    ROOT::Internal::TRangeDynCastIterator<T> begin() const { return fCollection.begin(); }
                                                                    ^~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:53:7: note: forward declaration of ‘class TCollection’
 class TCollection;
       ^~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TSeqCollection.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObjArray.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:29,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:25,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h: In member function ‘ROOT::Internal::TRangeDynCastIterator<T> TRangeDynCast<T>::end() const’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TCollection.h:419:66: warning: invalid use of incomplete type ‘const class TCollection’
    ROOT::Internal::TRangeDynCastIterator<T> end() const { return fCollection.end(); }
                                                                  ^~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:53:7: note: forward declaration of ‘class TCollection’
 class TCollection;
       ^~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObjArray.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:29,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:25,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TSeqCollection.h: At global scope:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TSeqCollection.h:28:31: error: invalid use of incomplete type ‘class TCollection’
 class TSeqCollection : public TCollection {
                               ^~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:53:7: note: forward declaration of ‘class TCollection’
 class TCollection;
       ^~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObjArray.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:29,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:25,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TSeqCollection.h: In member function
virtual void TSeqCollection::RemoveFirst()’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TSeqCollection.h:44:38: error: ‘Remov
’ was not declared in this scope
    virtual void      RemoveFirst() { Remove(First()); }
                                      ^~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TSeqCollection.h:44:38: note: suggested alternative: ‘remove’
    virtual void      RemoveFirst() { Remove(First()); }
                                      ^~~~~~
                                      remove
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TSeqCollection.h: In member function
virtual void TSeqCollection::RemoveLast()’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TSeqCollection.h:45:37: error: ‘Remov
’ was not declared in this scope
    virtual void      RemoveLast() { Remove(Last()); }
                                     ^~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TSeqCollection.h:45:37: note: suggested alternative: ‘remove’
    virtual void      RemoveLast() { Remove(Last()); }
                                     ^~~~~~
                                     remove
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TSeqCollection.h: In member function
virtual TObject* TSeqCollection::RemoveAt(Int_t)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TSeqCollection.h:46:51: error: ‘Remov
’ was not declared in this scope
    virtual TObject  *RemoveAt(Int_t idx) { return Remove(At(idx)); }
                                                   ^~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TSeqCollection.h:46:51: note: suggested alternative: ‘remove’
    virtual TObject  *RemoveAt(Int_t idx) { return Remove(At(idx)); }
                                                   ^~~~~~
                                                   remove
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TSeqCollection.h: In member function
virtual void TSeqCollection::RemoveAfter(TObject*)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TSeqCollection.h:47:52: error: ‘Remov
’ was not declared in this scope
    virtual void      RemoveAfter(TObject *after) { Remove(After(after)); }
                                                    ^~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TSeqCollection.h:47:52: note: suggested alternative: ‘remove’
    virtual void      RemoveAfter(TObject *after) { Remove(After(after)); }
                                                    ^~~~~~
                                                    remove
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TSeqCollection.h: In member function
virtual void TSeqCollection::RemoveBefore(TObject*)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TSeqCollection.h:48:54: error: ‘Remov
’ was not declared in this scope
    virtual void      RemoveBefore(TObject *before) { Remove(Before(before)); }
                                                      ^~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TSeqCollection.h:48:54: note: suggested alternative: ‘remove’
    virtual void      RemoveBefore(TObject *before) { Remove(Before(before)); }
                                                      ^~~~~~
                                                      remove
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TSeqCollection.h: In member function
Int_t TSeqCollection::LastIndex() const’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TSeqCollection.h:55:49: error: ‘GetSize’ was not declared in this scope
    Int_t             LastIndex() const { return GetSize() - 1; }
                                                 ^~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TSeqCollection.h:55:49: note: suggested alternative: ‘getline’
    Int_t             LastIndex() const { return GetSize() - 1; }
                                                 ^~~~~~~
                                                 getline
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:29,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:25,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObjArray.h: At global scope:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObjArray.h:37:7: error: conflicting declaration ‘struct TObjArray’
 class TObjArray : public TSeqCollection {
       ^~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:32:7: note: previous declaration as ‘class TObjArray’
 class TObjArray;
       ^~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:29,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:25,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObjArray.h:123:7: error: conflicting declaration ‘struct TObjArrayIter’
 class TObjArrayIter : public TIterator,
       ^~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObjArray.h:35:7: note: previous declaration as ‘class TObjArrayIter’
 class TObjArrayIter;
       ^~~~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:29,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:25,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObjArray.h:159:64: error: invalid use of incomplete type ‘class TObjArray’
 inline Bool_t TObjArray::BoundsOk(const char *where, Int_t at) const
                                                                ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:32:7: note: forward declaration of ‘class TObjArray’
 class TObjArray;
       ^~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:29,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:25,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObjArray.h:166:40: error: invalid use of incomplete type ‘class TObjArray’
 inline TObject *TObjArray::At(Int_t i) const
                                        ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:32:7: note: forward declaration of ‘class TObjArray’
 class TObjArray;
       ^~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:25,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:43:7: error: conflicting declaration ‘struct TBrowser’
 class TBrowser;
       ^~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:30:7: note: previous declaration as ‘class TBrowser’
 class TBrowser;
       ^~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:25,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:46:7: error: conflicting declaration ‘struct TMethod’
 class TMethod;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:33:7: note: previous declaration as ‘class TMethod’
 class TMethod;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:25,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:48:7: error: conflicting declaration ‘struct TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:48:7: note: previous declaration as ‘class TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:25,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:50:7: error: conflicting declaration ‘struct TVirtualCollectionProxy’
 class TVirtualCollectionProxy;
       ^~~~~~~~~~~~~~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:77:7: note: previous declaration as ‘class TVirtualCollectionProxy’
 class TVirtualCollectionProxy;
       ^~~~~~~~~~~~~~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:25,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:52:7: error: conflicting declaration ‘struct TVirtualIsAProxy’
 class TVirtualIsAProxy;
       ^~~~~~~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TIsAProxy.h:15,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:195,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVirtualIsAProxy.h:27:7: note: previous declaration as ‘class TVirtualIsAProxy’
 class TVirtualIsAProxy  {
       ^~~~~~~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:25,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:65:10: error: conflicting declaration ‘struct ROOT::TGenericClassInfo’
    class TGenericClassInfo;
          ^~~~~~~~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:191,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TGenericClassInfo.h:40:10: note: previous declaration as ‘class ROOT::TGenericClassInfo’
    class TGenericClassInfo {
          ^~~~~~~~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:25,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:70:13: error: conflicting declaration ‘struct ROOT::Detail::TCollectionProxyInfo’
       class TCollectionProxyInfo;
             ^~~~~~~~~~~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:191,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TGenericClassInfo.h:37:13: note: previous declaration as ‘class ROOT::Detail::TCollectionProxyInfo’
       class TCollectionProxyInfo;
             ^~~~~~~~~~~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:25,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:80:7: error: conflicting declaration ‘struct TClass’
 class TClass : public TDictionary {
       ^~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:47:7: note: previous declaration as ‘class TClass’
 class TClass;
       ^~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:25,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h: In static member function ‘static TClass* ROOT::Internal::TClassGetClassHelper<T>::GetClass(Bool_t, Bool_t)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:627:22: error: incomplete type ‘TClass’ used in nested name specifier
       return TClass::GetClass(typeid(T), load, silent);
                      ^~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h: At global scope:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:632:8: error: ‘TClassGetClassHelper’ is not a class template
 struct TClassGetClassHelper<std::pair<F, S> > {
        ^~~~~~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:632:45: error: conflicting declaration of template ‘template<class F, class S> struct ROOT::Internal::TClassGetClassHelper’
 struct TClassGetClassHelper<std::pair<F, S> > {
                                             ^
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:625:8: note: previous declaration ‘template<class T> struct ROOT::Internal::TClassGetClassHelper’
 struct TClassGetClassHelper {
        ^~~~~~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h: In function ‘TClass* std::GetClassHelper(Bool_t, Bool_t, std::false_type)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:643:11: error: ‘TClassGetClassHelper’ was not declared in this scope
    return TClassGetClassHelper<T>::GetClass(load, silent);
           ^~~~~~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:643:11: note: suggested alternative:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:625:8: note:   ‘ROOT::Internal::TClassGetClassHelper’
 struct TClassGetClassHelper {
        ^~~~~~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:643:33: error: expected primary-expression before ‘>’ token
    return TClassGetClassHelper<T>::GetClass(load, silent);
                                 ^
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:643:36: error: ‘::GetClass’ has not been declared
    return TClassGetClassHelper<T>::GetClass(load, silent);
                                    ^~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:643:36: note: suggested alternative: ‘AddClass’
    return TClassGetClassHelper<T>::GetClass(load, silent);
                                    ^~~~~~~~
                                    AddClass
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h: At global scope:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:650:52: error: invalid use of incomplete type ‘class TClass’
 TClass *TClass::GetClass(Bool_t load, Bool_t silent)
                                                    ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:47:7: note: forward declaration of ‘class TClass’
 class TClass;
       ^~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:25,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h: In function ‘TClass* std::GetClass(T*)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:658:80: error: incomplete type ‘TClass’ used in nested name specifier
 template <typename T> TClass *GetClass(T * /* dummy */)       { return TClass::GetClass<T>(); }
                                                                                ^~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:658:90: error: expected primary-expression before ‘>’ token
 template <typename T> TClass *GetClass(T * /* dummy */)       { return TClass::GetClass<T>(); }
                                                                                          ^
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:658:92: error: expected primary-expression before ‘)’ token
 template <typename T> TClass *GetClass(T * /* dummy */)       { return TClass::GetClass<T>(); }
                                                                                            ^
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h: In function ‘TClass* std::GetClass(const T*)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:659:80: error: incomplete type ‘TClass’ used in nested name specifier
 template <typename T> TClass *GetClass(const T * /* dummy */) { return TClass::GetClass<T>(); }
                                                                                ^~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:659:90: error: expected primary-expression before ‘>’ token
 template <typename T> TClass *GetClass(const T * /* dummy */) { return TClass::GetClass<T>(); }
                                                                                          ^
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:659:92: error: expected primary-expression before ‘)’ token
 template <typename T> TClass *GetClass(const T * /* dummy */) { return TClass::GetClass<T>(); }
                                                                                            ^
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h: In function ‘TClass* std::GetClass(T**)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:663:89: error: incomplete type ‘TClass’ used in nested name specifier
    template <typename T> TClass* GetClass(      T**       /* dummy */) { return TClass::GetClass<T>(); }
                                                                                         ^~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:663:99: error: expected primary-expression before ‘>’ token
    template <typename T> TClass* GetClass(      T**       /* dummy */) { return TClass::GetClass<T>(); }
                                                                                                   ^
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:663:101: error: expected primary-expression before ‘)’ token
    template <typename T> TClass* GetClass(      T**       /* dummy */) { return TClass::GetClass<T>(); }
                                                                                                     ^
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h: In function ‘TClass* std::GetClass(const T**)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:664:89: error: incomplete type ‘TClass’ used in nested name specifier
    template <typename T> TClass* GetClass(const T**       /* dummy */) { return TClass::GetClass<T>(); }
                                                                                         ^~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:664:99: error: expected primary-expression before ‘>’ token
    template <typename T> TClass* GetClass(const T**       /* dummy */) { return TClass::GetClass<T>(); }
                                                                                                   ^
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:664:101: error: expected primary-expression before ‘)’ token
    template <typename T> TClass* GetClass(const T**       /* dummy */) { return TClass::GetClass<T>(); }
                                                                                                     ^
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h: In function ‘TClass* std::GetClass(T* const*)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:665:89: error: incomplete type ‘TClass’ used in nested name specifier
    template <typename T> TClass* GetClass(      T* const* /* dummy */) { return TClass::GetClass<T>(); }
                                                                                         ^~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:665:99: error: expected primary-expression before ‘>’ token
    template <typename T> TClass* GetClass(      T* const* /* dummy */) { return TClass::GetClass<T>(); }
                                                                                                   ^
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:665:101: error: expected primary-expression before ‘)’ token
    template <typename T> TClass* GetClass(      T* const* /* dummy */) { return TClass::GetClass<T>(); }
                                                                                                     ^
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h: In function ‘TClass* std::GetClass(const T* const*)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:666:89: error: incomplete type ‘TClass’ used in nested name specifier
    template <typename T> TClass* GetClass(const T* const* /* dummy */) { return TClass::GetClass<T>(); }
                                                                                         ^~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:666:99: error: expected primary-expression before ‘>’ token
    template <typename T> TClass* GetClass(const T* const* /* dummy */) { return TClass::GetClass<T>(); }
                                                                                                   ^
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:666:101: error: expected primary-expression before ‘)’ token
    template <typename T> TClass* GetClass(const T* const* /* dummy */) { return TClass::GetClass<T>(); }
                                                                                                     ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:26,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TUUID.h: At global scope:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TUUID.h:36:7: error: conflicting declaration ‘struct TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:48:7: note: previous declaration as ‘class TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:26,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TUUID.h:38:7: error: conflicting declaration ‘struct TDirectory’
 class TDirectory;
       ^~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:49:7: note: previous declaration as ‘class TDirectory’
 class TDirectory;
       ^~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:32,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TList.h:44:7: error: conflicting declaration ‘struct TList’
 class TList : public TSeqCollection {
       ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:29:7: note: previous declaration as ‘class TList’
 class TList;
       ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:32,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TList.h:127:7: error: conflicting declaration ‘struct TObjLink’
 class TObjLink : public std::enable_shared_from_this<TObjLink> {
       ^~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TList.h:40:7: note: previous declaration as ‘class TObjLink’
 class TObjLink;
       ^~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TList.h:170:28: error: invalid use of incomplete type ‘class TObjLink’
 class TObjOptLink : public TObjLink {
                            ^~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TList.h:40:7: note: forward declaration of ‘class TObjLink’
 class TObjLink;
       ^~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TList.h:173:14: error: field ‘fOption’ has incomplete type ‘TString’
    TString   fOption;
              ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:32,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TList.h: In constructor ‘TObjOptLink::TObjOptLink(TObject*, Option_t*)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TList.h:176:47: error: type ‘TObjLink’ is not a direct base of ‘TObjOptLink’
    TObjOptLink(TObject *obj, Option_t *opt) : TObjLink(obj), fOption(opt) { }
                                               ^~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TList.h: At global scope:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TList.h:197:7: error: conflicting declaration ‘struct TListIter’
 class TListIter : public TIterator,
       ^~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TList.h:41:7: note: previous declaration as ‘class TListIter’
 class TListIter;
       ^~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TList.h: In function ‘bool std::operator==(TObjOptLink*, const std::shared_ptr<TObjLink>&)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TList.h:234:22: error: comparison between distinct pointer types ‘TObjOptLink*’ and ‘std::__shared_ptr<TObjLink, (__gnu_cxx::_Lock_policy)2>::element_type*’ {aka ‘TObjLink*’} lacks a cast
    return l == r.get();
                      ^
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TList.h: At global scope:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TList.h:241:15: error: invalid use of incomplete type ‘class TList’
 inline TList::TObjLinkPtr_t  TList::NewLink(TObject *obj, TObjLink *prev) {
               ^~~~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:29:7: note: forward declaration of ‘class TList’
 class TList;
       ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:32,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TList.h:244:15: error: invalid use of incomplete type ‘class TList’
 inline TList::TObjLinkPtr_t  TList::NewOptLink(TObject *obj, Option_t *opt,  TObjLink *prev) {
               ^~~~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:29:7: note: forward declaration of ‘class TList’
 class TList;
       ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDataType.h:51:22: error: field ‘fTrueName’ has incomplete type ‘TString’
    TString           fTrueName; //Qualified name of the (potential) underlying class, e.g. "MyClass*const*"
                      ^~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:32:7: error: conflicting declaration ‘struct TVirtualStreamerInfo’
 class TVirtualStreamerInfo;
       ^~~~~~~~~~~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:25,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TClass.h:49:7: note: previous declaration as ‘class TVirtualStreamerInfo’
 class TVirtualStreamerInfo;
       ^~~~~~~~~~~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:34:7: error: conflicting declaration ‘struct TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: previous declaration as ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:36:7: error: conflicting declaration ‘struct TClonesArray’
 class TClonesArray;
       ^~~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:228:17: note: previous declaration as ‘class TClonesArray’
    friend class TClonesArray; // needs to reset kNotDeleted in fBits
                 ^~~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:43:7: error: conflicting declaration ‘struct TBuffer’
 class TBuffer : public TObject {
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:48:7: note: previous declaration as ‘class TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h: In function ‘TBuffer& std::operator>>(TBuffer&, Bool_t&)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:345:57: error: invalid use of incomplete type ‘class TBuffer’
 inline TBuffer &operator>>(TBuffer &buf, Bool_t &b)   { buf.ReadBool(b);   return buf; }
                                                         ^~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:48:7: note: forward declaration of ‘class TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h: In function ‘TBuffer& std::operator>>(TBuffer&, Char_t&)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:346:57: error: invalid use of incomplete type ‘class TBuffer’
 inline TBuffer &operator>>(TBuffer &buf, Char_t &c)   { buf.ReadChar(c);   return buf; }
                                                         ^~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:48:7: note: forward declaration of ‘class TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h: In function ‘TBuffer& std::operator>>(TBuffer&, UChar_t&)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:347:57: error: invalid use of incomplete type ‘class TBuffer’
 inline TBuffer &operator>>(TBuffer &buf, UChar_t &c)  { buf.ReadUChar(c);  return buf; }
                                                         ^~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:48:7: note: forward declaration of ‘class TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h: In function ‘TBuffer& std::operator>>(TBuffer&, Short_t&)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:348:52: warning: declaration of ‘s’ shadows a global declaration [-Wshadow]
 inline TBuffer &operator>>(TBuffer &buf, Short_t &s)  { buf.ReadShort(s);  return buf; }
                                                    ^
In file included from /cvmfs/geant4.cern.ch/geant4/10.7.p03/x86_64-centos7-gcc8-optdeb-MT/include/Geant4/G4SystemOfUnits.hh:36,
                 from /home/casaburf/B1/src/StackingAction.cc:35:
/cvmfs/sft.cern.ch/lcg/views/LCG_geant4ext20201111/x86_64-centos7-gcc8-opt/include/CLHEP/Units/SystemOfUnits.h:152:28: note: shadowed declaration is here
   static constexpr double  s = second;
                            ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:348:57: error: invalid use of incomplete type ‘class TBuffer’
 inline TBuffer &operator>>(TBuffer &buf, Short_t &s)  { buf.ReadShort(s);  return buf; }
                                                         ^~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:48:7: note: forward declaration of ‘class TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h: In function ‘TBuffer& std::operator>>(TBuffer&, UShort_t&)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:349:53: warning: declaration of ‘s’ shadows a global declaration [-Wshadow]
 inline TBuffer &operator>>(TBuffer &buf, UShort_t &s) { buf.ReadUShort(s); return buf; }
                                                     ^
In file included from /cvmfs/geant4.cern.ch/geant4/10.7.p03/x86_64-centos7-gcc8-optdeb-MT/include/Geant4/G4SystemOfUnits.hh:36,
                 from /home/casaburf/B1/src/StackingAction.cc:35:
/cvmfs/sft.cern.ch/lcg/views/LCG_geant4ext20201111/x86_64-centos7-gcc8-opt/include/CLHEP/Units/SystemOfUnits.h:152:28: note: shadowed declaration is here
   static constexpr double  s = second;
                            ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:349:57: error: invalid use of incomplete type ‘class TBuffer’
 inline TBuffer &operator>>(TBuffer &buf, UShort_t &s) { buf.ReadUShort(s); return buf; }
                                                         ^~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:48:7: note: forward declaration of ‘class TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h: In function ‘TBuffer& std::operator>>(TBuffer&, Int_t&)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:350:57: error: invalid use of incomplete type ‘class TBuffer’
 inline TBuffer &operator>>(TBuffer &buf, Int_t &i)    { buf.ReadInt(i);    return buf; }
                                                         ^~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:48:7: note: forward declaration of ‘class TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h: In function ‘TBuffer& std::operator>>(TBuffer&, UInt_t&)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:351:57: error: invalid use of incomplete type ‘class TBuffer’
 inline TBuffer &operator>>(TBuffer &buf, UInt_t &i)   { buf.ReadUInt(i);   return buf; }
                                                         ^~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:48:7: note: forward declaration of ‘class TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h: In function ‘TBuffer& std::operator>>(TBuffer&, Long_t&)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:352:57: error: invalid use of incomplete type ‘class TBuffer’
 inline TBuffer &operator>>(TBuffer &buf, Long_t &l)   { buf.ReadLong(l);   return buf; }
                                                         ^~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:48:7: note: forward declaration of ‘class TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h: In function ‘TBuffer& std::operator>>(TBuffer&, ULong_t&)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:353:57: error: invalid use of incomplete type ‘class TBuffer’
 inline TBuffer &operator>>(TBuffer &buf, ULong_t &l)  { buf.ReadULong(l);  return buf; }
                                                         ^~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:48:7: note: forward declaration of ‘class TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h: In function ‘TBuffer& std::operator>>(TBuffer&, Long64_t&)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:354:57: error: invalid use of incomplete type ‘class TBuffer’
 inline TBuffer &operator>>(TBuffer &buf, Long64_t &l) { buf.ReadLong64(l); return buf; }
                                                         ^~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:48:7: note: forward declaration of ‘class TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h: In function ‘TBuffer& std::operator>>(TBuffer&, ULong64_t&)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:355:57: error: invalid use of incomplete type ‘class TBuffer’
 inline TBuffer &operator>>(TBuffer &buf, ULong64_t &l){ buf.ReadULong64(l);return buf; }
                                                         ^~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:48:7: note: forward declaration of ‘class TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h: In function ‘TBuffer& std::operator>>(TBuffer&, Float_t&)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:356:57: error: invalid use of incomplete type ‘class TBuffer’
 inline TBuffer &operator>>(TBuffer &buf, Float_t &f)  { buf.ReadFloat(f);  return buf; }
                                                         ^~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:48:7: note: forward declaration of ‘class TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h: In function ‘TBuffer& std::operator>>(TBuffer&, Double_t&)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:357:57: error: invalid use of incomplete type ‘class TBuffer’
 inline TBuffer &operator>>(TBuffer &buf, Double_t &d) { buf.ReadDouble(d); return buf; }
                                                         ^~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:48:7: note: forward declaration of ‘class TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h: In function ‘TBuffer& std::operator>>(TBuffer&, Char_t*)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:358:57: error: invalid use of incomplete type ‘class TBuffer’
 inline TBuffer &operator>>(TBuffer &buf, Char_t *c)   { buf.ReadCharP(c);  return buf; }
                                                         ^~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:48:7: note: forward declaration of ‘class TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h: In function ‘TBuffer& std::operator>>(TBuffer&, TString&)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:359:52: warning: declaration of ‘s’ shadows a global declaration [-Wshadow]
 inline TBuffer &operator>>(TBuffer &buf, TString &s)  { buf.ReadTString(s);return buf; }
                                                    ^
In file included from /cvmfs/geant4.cern.ch/geant4/10.7.p03/x86_64-centos7-gcc8-optdeb-MT/include/Geant4/G4SystemOfUnits.hh:36,
                 from /home/casaburf/B1/src/StackingAction.cc:35:
/cvmfs/sft.cern.ch/lcg/views/LCG_geant4ext20201111/x86_64-centos7-gcc8-opt/include/CLHEP/Units/SystemOfUnits.h:152:28: note: shadowed declaration is here
   static constexpr double  s = second;
                            ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:359:57: error: invalid use of incomplete type ‘class TBuffer’
 inline TBuffer &operator>>(TBuffer &buf, TString &s)  { buf.ReadTString(s);return buf; }
                                                         ^~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:48:7: note: forward declaration of ‘class TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h: In function ‘TBuffer& std::operator<<(TBuffer&, Bool_t)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:361:56: error: invalid use of incomplete type ‘class TBuffer’
 inline TBuffer &operator<<(TBuffer &buf, Bool_t b)   { buf.WriteBool(b);   return buf; }
                                                        ^~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:48:7: note: forward declaration of ‘class TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h: In function ‘TBuffer& std::operator<<(TBuffer&, Char_t)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:362:56: error: invalid use of incomplete type ‘class TBuffer’
 inline TBuffer &operator<<(TBuffer &buf, Char_t c)   { buf.WriteChar(c);   return buf; }
                                                        ^~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:48:7: note: forward declaration of ‘class TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h: In function ‘TBuffer& std::operator<<(TBuffer&, UChar_t)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:363:56: error: invalid use of incomplete type ‘class TBuffer’
 inline TBuffer &operator<<(TBuffer &buf, UChar_t c)  { buf.WriteUChar(c);  return buf; }
                                                        ^~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:48:7: note: forward declaration of ‘class TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h: In function ‘TBuffer& std::operator<<(TBuffer&, Short_t)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:364:51: warning: declaration of ‘s’ shadows a global declaration [-Wshadow]
 inline TBuffer &operator<<(TBuffer &buf, Short_t s)  { buf.WriteShort(s);  return buf; }
                                                   ^
In file included from /cvmfs/geant4.cern.ch/geant4/10.7.p03/x86_64-centos7-gcc8-optdeb-MT/include/Geant4/G4SystemOfUnits.hh:36,
                 from /home/casaburf/B1/src/StackingAction.cc:35:
/cvmfs/sft.cern.ch/lcg/views/LCG_geant4ext20201111/x86_64-centos7-gcc8-opt/include/CLHEP/Units/SystemOfUnits.h:152:28: note: shadowed declaration is here
   static constexpr double  s = second;
                            ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:364:56: error: invalid use of incomplete type ‘class TBuffer’
 inline TBuffer &operator<<(TBuffer &buf, Short_t s)  { buf.WriteShort(s);  return buf; }
                                                        ^~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:48:7: note: forward declaration of ‘class TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h: In function ‘TBuffer& std::operator<<(TBuffer&, UShort_t)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:365:52: warning: declaration of ‘s’ shadows a global declaration [-Wshadow]
 inline TBuffer &operator<<(TBuffer &buf, UShort_t s) { buf.WriteUShort(s); return buf; }
                                                    ^
In file included from /cvmfs/geant4.cern.ch/geant4/10.7.p03/x86_64-centos7-gcc8-optdeb-MT/include/Geant4/G4SystemOfUnits.hh:36,
                 from /home/casaburf/B1/src/StackingAction.cc:35:
/cvmfs/sft.cern.ch/lcg/views/LCG_geant4ext20201111/x86_64-centos7-gcc8-opt/include/CLHEP/Units/SystemOfUnits.h:152:28: note: shadowed declaration is here
   static constexpr double  s = second;
                            ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:365:56: error: invalid use of incomplete type ‘class TBuffer’
 inline TBuffer &operator<<(TBuffer &buf, UShort_t s) { buf.WriteUShort(s); return buf; }
                                                        ^~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:48:7: note: forward declaration of ‘class TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h: In function ‘TBuffer& std::operator<<(TBuffer&, Int_t)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:366:56: error: invalid use of incomplete type ‘class TBuffer’
 inline TBuffer &operator<<(TBuffer &buf, Int_t i)    { buf.WriteInt(i);    return buf; }
                                                        ^~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:48:7: note: forward declaration of ‘class TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h: In function ‘TBuffer& std::operator<<(TBuffer&, UInt_t)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:367:56: error: invalid use of incomplete type ‘class TBuffer’
 inline TBuffer &operator<<(TBuffer &buf, UInt_t i)   { buf.WriteUInt(i);   return buf; }
                                                        ^~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:48:7: note: forward declaration of ‘class TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h: In function ‘TBuffer& std::operator<<(TBuffer&, Long_t)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:368:56: error: invalid use of incomplete type ‘class TBuffer’
 inline TBuffer &operator<<(TBuffer &buf, Long_t l)   { buf.WriteLong(l);   return buf; }
                                                        ^~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:48:7: note: forward declaration of ‘class TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h: In function ‘TBuffer& std::operator<<(TBuffer&, ULong_t)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:369:56: error: invalid use of incomplete type ‘class TBuffer’
 inline TBuffer &operator<<(TBuffer &buf, ULong_t l)  { buf.WriteULong(l);  return buf; }
                                                        ^~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:48:7: note: forward declaration of ‘class TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h: In function ‘TBuffer& std::operator<<(TBuffer&, Long64_t)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:370:56: error: invalid use of incomplete type ‘class TBuffer’
 inline TBuffer &operator<<(TBuffer &buf, Long64_t l) { buf.WriteLong64(l); return buf; }
                                                        ^~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:48:7: note: forward declaration of ‘class TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h: In function ‘TBuffer& std::operator<<(TBuffer&, ULong64_t)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:371:56: error: invalid use of incomplete type ‘class TBuffer’
 inline TBuffer &operator<<(TBuffer &buf, ULong64_t l){ buf.WriteULong64(l);return buf; }
                                                        ^~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:48:7: note: forward declaration of ‘class TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h: In function ‘TBuffer& std::operator<<(TBuffer&, Float_t)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:372:56: error: invalid use of incomplete type ‘class TBuffer’
 inline TBuffer &operator<<(TBuffer &buf, Float_t f)  { buf.WriteFloat(f);  return buf; }
                                                        ^~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:48:7: note: forward declaration of ‘class TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h: In function ‘TBuffer& std::operator<<(TBuffer&, Double_t)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:373:56: error: invalid use of incomplete type ‘class TBuffer’
 inline TBuffer &operator<<(TBuffer &buf, Double_t d) { buf.WriteDouble(d); return buf; }
                                                        ^~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:48:7: note: forward declaration of ‘class TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h: In function ‘TBuffer& std::operator<<(TBuffer&, const Char_t*)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:374:62: error: invalid use of incomplete type ‘class TBuffer’
 inline TBuffer &operator<<(TBuffer &buf, const Char_t *c)  { buf.WriteCharP(c);  return buf; }
                                                              ^~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:48:7: note: forward declaration of ‘class TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h: In function ‘TBuffer& std::operator<<(TBuffer&, const TString&)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:375:58: warning: declaration of ‘s’ shadows a global declaration [-Wshadow]
 inline TBuffer &operator<<(TBuffer &buf, const TString &s) { buf.WriteTString(s);return buf; }
                                                          ^
In file included from /cvmfs/geant4.cern.ch/geant4/10.7.p03/x86_64-centos7-gcc8-optdeb-MT/include/Geant4/G4SystemOfUnits.hh:36,
                 from /home/casaburf/B1/src/StackingAction.cc:35:
/cvmfs/sft.cern.ch/lcg/views/LCG_geant4ext20201111/x86_64-centos7-gcc8-opt/include/CLHEP/Units/SystemOfUnits.h:152:28: note: shadowed declaration is here
   static constexpr double  s = second;
                            ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:375:62: error: invalid use of incomplete type ‘class TBuffer’
 inline TBuffer &operator<<(TBuffer &buf, const TString &s) { buf.WriteTString(s);return buf; }
                                                              ^~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:48:7: note: forward declaration of ‘class TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h: In function ‘TBuffer& std::operator>>(TBuffer&, Tmpl*&)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:394:22: error: incomplete type ‘TClass’ used in nested name specifier
    auto cl = TClass::GetClass<Tmpl>();
                      ^~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:394:35: error: expected primary-expression before ‘>’ token
    auto cl = TClass::GetClass<Tmpl>();
                                   ^
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:394:37: error: expected primary-expression before ‘)’ token
    auto cl = TClass::GetClass<Tmpl>();
                                     ^
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:395:29: warning: invalid use of incomplete type ‘class TBuffer’
    obj = (Tmpl *) ( (void*) buf.ReadObjectAny(cl) );
                             ^~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:48:7: note: forward declaration of ‘class TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h: In function ‘TBuffer& std::operator<<(TBuffer&, const Tmpl*)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:401:30: error: incomplete type ‘TClass’ used in nested name specifier
    auto cl = (obj) ? TClass::GetClass<Tmpl>() : nullptr;
                              ^~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:401:43: error: expected primary-expression before ‘>’ token
    auto cl = (obj) ? TClass::GetClass<Tmpl>() : nullptr;
                                           ^
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:401:45: error: expected primary-expression before ‘)’ token
    auto cl = (obj) ? TClass::GetClass<Tmpl>() : nullptr;
                                             ^
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:402:4: warning: invalid use of incomplete type ‘class TBuffer’
    buf.WriteObjectAny(obj, cl);
    ^~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:48:7: note: forward declaration of ‘class TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h: At global scope:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:411:69: error: invalid use of incomplete type ‘class TBuffer’
 inline Int_t TBuffer::WriteObject(const T *objptr, Bool_t cacheReuse)
                                                                     ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:48:7: note: forward declaration of ‘class TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:37:7: error: conflicting declaration ‘struct TBrowser’
 class TBrowser;
       ^~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:30:7: note: previous declaration as ‘class TBrowser’
 class TBrowser;
       ^~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:39:7: error: conflicting declaration ‘struct TFile’
 class TFile;
       ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:26,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TUUID.h:37:7: note: previous declaration as ‘class TFile’
 class TFile;
       ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:45:7: error: conflicting declaration ‘struct TDirectory’
 class TDirectory : public TNamed {
       ^~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:49:7: note: previous declaration as ‘class TDirectory’
 class TDirectory;
       ^~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:247:11: error: conflicting declaration ‘struct ROOT::Internal::TDirectoryAtomicAdapter’
    struct TDirectoryAtomicAdapter {
           ^~~~~~~~~~~~~~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:42:11: note: previous declaration as ‘struct ROOT::Internal::TDirectoryAtomicAdapter’
    struct TDirectoryAtomicAdapter;
           ^~~~~~~~~~~~~~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDatime.h:37:7: error: conflicting declaration ‘struct TDatime’
 class TDatime {
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:26,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TUUID.h:40:7: note: previous declaration as ‘class TDatime’
 class TDatime;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDatime.h:99:52: error: invalid use of incomplete type ‘class TDatime’
 inline TDatime& TDatime::operator=(const TDatime &d)
                                                    ^
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:26,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TUUID.h:40:7: note: forward declaration of ‘class TDatime’
 class TDatime;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDatime.h: In function ‘Bool_t std::operator==(const TDatime&, const TDatime&)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDatime.h:103:13: error: invalid use of incomplete type ‘const class TDatime’
    { return d1.fDatime == d2.fDatime; }
             ^~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:26,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TUUID.h:40:7: note: forward declaration of ‘class TDatime’
 class TDatime;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDatime.h:103:27: error: invalid use of incomplete type ‘const class TDatime’
    { return d1.fDatime == d2.fDatime; }
                           ^~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:26,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TUUID.h:40:7: note: forward declaration of ‘class TDatime’
 class TDatime;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDatime.h: In function ‘Bool_t std::operator!=(const TDatime&, const TDatime&)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDatime.h:105:13: error: invalid use of incomplete type ‘const class TDatime’
    { return d1.fDatime != d2.fDatime; }
             ^~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:26,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TUUID.h:40:7: note: forward declaration of ‘class TDatime’
 class TDatime;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDatime.h:105:27: error: invalid use of incomplete type ‘const class TDatime’
    { return d1.fDatime != d2.fDatime; }
                           ^~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:26,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TUUID.h:40:7: note: forward declaration of ‘class TDatime’
 class TDatime;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDatime.h: In function ‘Bool_t std::operator<(const TDatime&, const TDatime&)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDatime.h:107:13: error: invalid use of incomplete type ‘const class TDatime’
    { return d1.fDatime < d2.fDatime; }
             ^~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:26,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TUUID.h:40:7: note: forward declaration of ‘class TDatime’
 class TDatime;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDatime.h:107:26: error: invalid use of incomplete type ‘const class TDatime’
    { return d1.fDatime < d2.fDatime; }
                          ^~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:26,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TUUID.h:40:7: note: forward declaration of ‘class TDatime’
 class TDatime;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDatime.h: In function ‘Bool_t std::operator<=(const TDatime&, const TDatime&)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDatime.h:109:13: error: invalid use of incomplete type ‘const class TDatime’
    { return d1.fDatime <= d2.fDatime; }
             ^~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:26,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TUUID.h:40:7: note: forward declaration of ‘class TDatime’
 class TDatime;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDatime.h:109:27: error: invalid use of incomplete type ‘const class TDatime’
    { return d1.fDatime <= d2.fDatime; }
                           ^~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:26,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TUUID.h:40:7: note: forward declaration of ‘class TDatime’
 class TDatime;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDatime.h: In function ‘Bool_t std::operator>(const TDatime&, const TDatime&)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDatime.h:111:13: error: invalid use of incomplete type ‘const class TDatime’
    { return d1.fDatime > d2.fDatime; }
             ^~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:26,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TUUID.h:40:7: note: forward declaration of ‘class TDatime’
 class TDatime;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDatime.h:111:26: error: invalid use of incomplete type ‘const class TDatime’
    { return d1.fDatime > d2.fDatime; }
                          ^~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:26,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TUUID.h:40:7: note: forward declaration of ‘class TDatime’
 class TDatime;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDatime.h: In function ‘Bool_t std::operator>=(const TDatime&, const TDatime&)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDatime.h:113:13: error: invalid use of incomplete type ‘const class TDatime’
    { return d1.fDatime >= d2.fDatime; }
             ^~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:26,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TUUID.h:40:7: note: forward declaration of ‘class TDatime’
 class TDatime;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:26,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDatime.h:113:27: error: invalid use of incomplete type ‘const class TDatime’
    { return d1.fDatime >= d2.fDatime; }
                           ^~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:26,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TUUID.h:40:7: note: forward declaration of ‘class TDatime’
 class TDatime;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h: At global scope:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:29:7: error: conflicting declaration ‘struct TKey’
 class TKey;
       ^~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:38:7: note: previous declaration as ‘class TKey’
 class TKey;
       ^~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:30:7: error: conflicting declaration ‘struct TFile’
 class TFile;
       ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:26,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TUUID.h:37:7: note: previous declaration as ‘class TFile’
 class TFile;
       ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:32:31: error: invalid use of incomplete type ‘class TDirectory’
 class TDirectoryFile : public TDirectory {
                               ^~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:49:7: note: forward declaration of ‘class TDirectory’
 class TDirectory;
       ^~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:37:16: error: field
fDatimeC’ has incomplete type ‘TDatime’
    TDatime     fDatimeC;                 ///< Date and time when directory is created
                ^~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:26,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TUUID.h:40:7: note: forward declaration of ‘class TDatime’
 class TDatime;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:38:16: error: field
fDatimeM’ has incomplete type ‘TDatime’
    TDatime     fDatimeM;                 ///< Date and time of last modification
                ^~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:26,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TUUID.h:40:7: note: forward declaration of ‘class TDatime’
 class TDatime;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:64:23: error: ‘void TDirectoryFile::Append(TObject*, Bool_t)’ marked ‘override’, but does not override
           void        Append(TObject *obj, Bool_t replace = kFALSE) override;
                       ^~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:65:23: error: ‘void TDirectoryFile::Add(TObject*, Bool_t)’ marked ‘override’, but does not override
           void        Add(TObject *obj, Bool_t replace = kFALSE) override { Append(obj,replace); }
                       ^~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:66:23: error: ‘Int_t TDirectoryFile::AppendKey(TKey*)’ marked ‘override’, but does not override
           Int_t       AppendKey(TKey *key) override;
                       ^~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:67:23: error: ‘void TDirectoryFile::Browse(TBrowser*)’ marked ‘override’, but does not override
           void        Browse(TBrowser *b) override;
                       ^~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:68:23: error: ‘void TDirectoryFile::Build(TFile*, TDirectory*)’ marked ‘override’, but does not override
           void        Build(TFile* motherFile = nullptr, TDirectory* motherDir = nullptr) override { BuildDirectoryFile(motherFile, motherDir); }
                       ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:69:23: error: ‘TObject* TDirectoryFile::CloneObject(const TObject*, Bool_t)’ marked ‘override’, but does not override
           TObject    *CloneObject(const TObject *obj, Bool_t autoadd = kTRUE) override;
                       ^~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:70:23: error: ‘void TDirectoryFile::Close(Option_t*)’ marked ‘override’, but does not override
           void        Close(Option_t *option="") override;
                       ^~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:71:23: error: ‘void TDirectoryFile::Copy(TObject&) const’ marked ‘override’, but does not override
           void        Copy(TObject &) const override { MayNotUse("Copy(TObject &)"); }
                       ^~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:72:23: error: ‘Bool_t TDirectoryFile::cd(const char*)’ marked ‘override’, but does not override
           Bool_t      cd(const char *path = nullptr) override;
                       ^~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:73:23: error: ‘void TDirectoryFile::Delete(const char*)’ marked ‘override’, but does not override
           void        Delete(const char *namecycle="") override;
                       ^~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:74:23: error: ‘void TDirectoryFile::FillBuffer(char*&)’ marked ‘override’, but does not override
           void        FillBuffer(char *&buffer) override;
                       ^~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:75:23: error: ‘TKey* TDirectoryFile::FindKey(const char*) const’ marked ‘override’, but does not override
           TKey       *FindKey(const char *keyname) const override;
                       ^~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:76:23: error: ‘TKey* TDirectoryFile::FindKeyAny(const char*) const’ marked ‘override’, but does not override
           TKey       *FindKeyAny(const char *keyname) const override;
                       ^~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:77:23: error: ‘TObject* TDirectoryFile::FindObjectAny(const char*) const’ marked ‘override’, but does not override
           TObject    *FindObjectAny(const char *name) const override;
                       ^~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:78:23: error: ‘TObject* TDirectoryFile::FindObjectAnyFile(const char*) const’ marked ‘override’, but does not override
           TObject    *FindObjectAnyFile(const char *name) const override;
                       ^~~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:79:23: error: ‘TObject* TDirectoryFile::Get(const char*)’ marked ‘override’, but does not override
           TObject    *Get(const char *namecycle) override;
                       ^~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:85:24: error: ‘TDirectory* TDirectoryFile::GetDirectory(const char*, Bool_t, const char*)’ marked ‘override’, but does not override
            TDirectory *GetDirectory(const char *apath, Bool_t printError = false, const char *funcname = "GetDirectory") override;
                        ^~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:86:24: error: ‘void* TDirectoryFile::GetObjectChecked(const char*, const char*)’ marked ‘override’, but does not override
            void       *GetObjectChecked(const char *namecycle, const char* classname) override;
                        ^~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:87:24: error: ‘void* TDirectoryFile::GetObjectChecked(const char*, const TClass*)’ marked ‘override’, but does not override
            void       *GetObjectChecked(const char *namecycle, const TClass* cl) override;
                        ^~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:88:24: error: ‘void* TDirectoryFile::GetObjectUnchecked(const char*)’ marked ‘override’, but does not override
            void       *GetObjectUnchecked(const char *namecycle) override;
                        ^~~~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:89:24: error: ‘Int_t TDirectoryFile::GetBufferSize() const’ marked ‘override’, but does not override
            Int_t       GetBufferSize() const override;
                        ^~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:91:24: error: ‘TFile* TDirectoryFile::GetFile() const’ marked ‘override’, but does not override
            TFile      *GetFile() const override { return fFile; }
                        ^~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:92:24: error: ‘TKey* TDirectoryFile::GetKey(const char*, Short_t) const’ marked ‘override’, but does not override
            TKey       *GetKey(const char *name, Short_t cycle=9999) const override;
                        ^~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:93:24: error: ‘TList* TDirectoryFile::GetListOfKeys() const’ marked ‘override’, but does not override
            TList      *GetListOfKeys() const override { return fKeys; }
                        ^~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:95:24: error: ‘Int_t TDirectoryFile::GetNbytesKeys() const’ marked ‘override’, but does not override
            Int_t       GetNbytesKeys() const override { return fNbytesKeys; }
                        ^~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:96:24: error: ‘Int_t TDirectoryFile::GetNkeys() const’ marked ‘override’, but does not override
            Int_t       GetNkeys() const override { return fKeys->GetSize(); }
                        ^~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:97:24: error: ‘Long64_t TDirectoryFile::GetSeekDir() const’ marked ‘override’, but does not override
            Long64_t    GetSeekDir() const override { return fSeekDir; }
                        ^~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:98:24: error: ‘Long64_t TDirectoryFile::GetSeekParent() const’ marked ‘override’, but does not override
            Long64_t    GetSeekParent() const override { return fSeekParent; }
                        ^~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:99:24: error: ‘Long64_t TDirectoryFile::GetSeekKeys() const’ marked ‘override’, but does not override
            Long64_t    GetSeekKeys() const override { return fSeekKeys; }
                        ^~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:100:24: error: ‘Bool_t TDirectoryFile::IsModified() const’ marked ‘override’, but does not override
            Bool_t      IsModified() const override { return fModified; }
                        ^~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:101:24: error: ‘Bool_t TDirectoryFile::IsWritable() const’ marked ‘override’, but does not override
            Bool_t      IsWritable() const override { return fWritable; }
                        ^~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:102:24: error: ‘void TDirectoryFile::ls(Option_t*) const’ marked ‘override’, but does not override
            void        ls(Option_t *option="") const override;
                        ^~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:103:24: error: ‘TDirectory* TDirectoryFile::mkdir(const char*, const char*, Bool_t)’ marked ‘override’, but does not override
            TDirectory *mkdir(const char *name, const char *title="", Bool_t returnExistingDirectory = kFALSE) override;                        ^~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:104:24: error: ‘TFile* TDirectoryFile::OpenFile(const char*, Option_t*, const char*, Int_t, Int_t)’ marked ‘override’, but does not override
            TFile      *OpenFile(const char *name, Option_t *option= "",
                        ^~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:107:24: error: ‘void TDirectoryFile::Purge(Short_t)’ marked ‘override’, but does not override
            void        Purge(Short_t nkeep=1) override;
                        ^~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:108:24: error: ‘void TDirectoryFile::ReadAll(Option_t*)’ marked ‘override’, but does not override
            void        ReadAll(Option_t *option="") override;
                        ^~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:109:24: error: ‘Int_t TDirectoryFile::ReadKeys(Bool_t)’ marked ‘override’, but does not override
            Int_t       ReadKeys(Bool_t forceRead=kTRUE) override;
                        ^~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:110:24: error: ‘Int_t TDirectoryFile::ReadTObject(TObject*, const char*)’ marked ‘override’, but does not override
            Int_t       ReadTObject(TObject *obj, const char *keyname) override;
                        ^~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:112:24: error: ‘void TDirectoryFile::rmdir(const char*)’ marked ‘override’, but does not override
            void        rmdir(const char *name) override;
                        ^~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:113:24: error: ‘void TDirectoryFile::Save()’ marked ‘override’, but does not override
            void        Save() override;
                        ^~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:114:24: error: ‘void TDirectoryFile::SaveSelf(Bool_t)’ marked ‘override’, but does not override
            void        SaveSelf(Bool_t force = kFALSE) override;
                        ^~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:115:24: error: ‘Int_t TDirectoryFile::SaveObjectAs(const TObject*, const char*, Option_t*) const’ marked ‘override’, but does not override
            Int_t       SaveObjectAs(const TObject *obj, const char *filename="", Option_t *option="") const override;
                        ^~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:116:24: error: ‘void TDirectoryFile::SetBufferSize(Int_t)’ marked ‘override’, but does not override
            void        SetBufferSize(Int_t bufsize) override;
                        ^~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:117:24: error: ‘void TDirectoryFile::SetModified()’ marked ‘override’, but does not override
            void        SetModified() override {fModified = kTRUE;}
                        ^~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:118:24: error: ‘void TDirectoryFile::SetSeekDir(Long64_t)’ marked ‘override’, but does not override
            void        SetSeekDir(Long64_t v) override { fSeekDir = v; }
                        ^~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:119:24: error: ‘void TDirectoryFile::SetTRefAction(TObject*, TObject*)’ marked ‘override’, but does not override
            void        SetTRefAction(TObject *ref, TObject *parent) override;
                        ^~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:120:24: error: ‘void TDirectoryFile::SetWritable(Bool_t)’ marked ‘override’, but does not override
            void        SetWritable(Bool_t writable=kTRUE) override;
                        ^~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:121:24: error: ‘Int_t TDirectoryFile::Sizeof() const’ marked ‘override’, but does not override
            Int_t       Sizeof() const override;
                        ^~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:122:24: error: ‘Int_t TDirectoryFile::Write(const char*, Int_t, Int_t)’ marked ‘override’, but does not override
            Int_t       Write(const char *name=nullptr, Int_t opt=0, Int_t bufsize=0) override;
                        ^~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:123:24: error: ‘Int_t TDirectoryFile::Write(const char*, Int_t, Int_t) const’ marked ‘override’, but does not override
            Int_t       Write(const char *name=nullptr, Int_t opt=0, Int_t bufsize=0) const override;
                        ^~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:124:24: error: ‘Int_t TDirectoryFile::WriteTObject(const TObject*, const char*, Option_t*, Int_t)’ marked ‘override’, but does not override
            Int_t       WriteTObject(const TObject *obj, const char *name=nullptr, Option_t *option="", Int_t bufsize=0) override;
                        ^~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:125:24: error: ‘Int_t TDirectoryFile::WriteObjectAny(const void*, const char*, const char*, Option_t*, Int_t)’ marked ‘override’, but does not override
            Int_t       WriteObjectAny(const void *obj, const char *classname, const char *name, Option_t *option="", Int_t bufsize=0) override;
                        ^~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:126:24: error: ‘Int_t TDirectoryFile::WriteObjectAny(const void*, const TClass*, const char*, Option_t*, Int_t)’ marked ‘override’, but does not override
            Int_t       WriteObjectAny(const void *obj, const TClass *cl, const char *name, Option_t *option="", Int_t bufsize=0) override;
                        ^~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:127:24: error: ‘void TDirectoryFile::WriteDirHeader()’ marked ‘override’, but does not override
            void        WriteDirHeader() override;
                        ^~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:128:24: error: ‘void TDirectoryFile::WriteKeys()’ marked ‘override’, but does not override
            void        WriteKeys() override;
                        ^~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:272:27: error: ‘Bool_t TDirectoryFile::CheckTObjectHashConsistency() const’ marked ‘override’, but does not override
    virtual_keyword Bool_t CheckTObjectHashConsistency() const overrd                                            \
                           ^~~~~~~~~~~~~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:300:4: note: in expansion of macro ‘_ClassDefBase_’
    _ClassDefBase_(name,id, virtual_keyword, overrd)       \
    ^~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:330:4: note: in expansion of macro ‘_ClassDefOutline_’
    _ClassDefOutline_(name,id,,override)              \
    ^~~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:130:4: note: in expansion of macro ‘ClassDefOverride’
    ClassDefOverride(TDirectoryFile,5)  //Describe directory structure in a ROOT file
    ^~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:291:28: error: ‘TClass* TDirectoryFile::IsA() const’ marked ‘override’, but does not override
    virtual_keyword TClass *IsA() const overrd { return name::Class(); }                                         \
                            ^~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:300:4: note: in expansion of macro ‘_ClassDefBase_’
    _ClassDefBase_(name,id, virtual_keyword, overrd)       \
    ^~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:330:4: note: in expansion of macro ‘_ClassDefOutline_’
    _ClassDefOutline_(name,id,,override)              \
    ^~~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:130:4: note: in expansion of macro ‘ClassDefOverride’
    ClassDefOverride(TDirectoryFile,5)  //Describe directory structure in a ROOT file
    ^~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:292:25: error: ‘void TDirectoryFile::ShowMembers(TMemberInspector&) const’ marked ‘override’, but does not override
    virtual_keyword void ShowMembers(TMemberInspector &insp) const overrd                                        \
                         ^~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:300:4: note: in expansion of macro ‘_ClassDefBase_’
    _ClassDefBase_(name,id, virtual_keyword, overrd)       \
    ^~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:330:4: note: in expansion of macro ‘_ClassDefOutline_’
    _ClassDefOutline_(name,id,,override)              \
    ^~~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:130:4: note: in expansion of macro ‘ClassDefOverride’
    ClassDefOverride(TDirectoryFile,5)  //Describe directory structure in a ROOT file
    ^~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:309:25: error: ‘void TDirectoryFile::Streamer(TBuffer&)’ marked ‘override’, but does not override
    virtual_keyword void Streamer(TBuffer&) overrd;
                         ^~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:330:4: note: in expansion of macro ‘_ClassDefOutline_’
    _ClassDefOutline_(name,id,,override)              \
    ^~~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:130:4: note: in expansion of macro ‘ClassDefOverride’
    ClassDefOverride(TDirectoryFile,5)  //Describe directory structure in a ROOT file
    ^~~~~~~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h: In member function
void TDirectoryFile::Copy(TObject&) const’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:71:56: error: ‘MayNotUse’ was not declared in this scope
           void        Copy(TObject &) const override { MayNotUse("Copy(TObject &)"); }
                                                        ^~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h: In member function
T* TDirectoryFile::Get(const char*)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:83:26: error: incomplete type ‘TDirectory’ used in nested name specifier
       return TDirectory::Get<T>(namecycle);
                          ^~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:83:31: error: expected primary-expression before ‘>’ token
       return TDirectory::Get<T>(namecycle);
                               ^
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h: In member function
Int_t TDirectoryFile::GetNkeys() const’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:96:64: error: invalid use of incomplete type ‘class TList’
            Int_t       GetNkeys() const override { return fKeys->GetSize(); }
                                                                ^~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:29:7: note: forward declaration of ‘class TList’
 class TList;
       ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:29,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TUrl.h: At global scope:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TUrl.h:30:7: error: conflicting declaration ‘struct THashList’
 class THashList;
       ^~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:28:7: note: previous declaration as ‘class THashList’
 class THashList;
       ^~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:29,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TUrl.h:36:20: error: field ‘fUrl’ has incomplete type ‘TString’
    mutable TString fUrl;    // full URL
                    ^~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:29,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TUrl.h:37:12: error: field ‘fProtocol’ has incomplete type ‘TString’
    TString fProtocol;       // protocol: http, ftp, news, root, proof, ...
            ^~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:29,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TUrl.h:38:12: error: field ‘fUser’ has incomplete type ‘TString’
    TString fUser;           // user name
            ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:29,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TUrl.h:39:12: error: field ‘fPasswd’ has incomplete type ‘TString’
    TString fPasswd;         // password
            ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:29,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TUrl.h:40:12: error: field ‘fHost’ has incomplete type ‘TString’
    TString fHost;           // remote host
            ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:29,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TUrl.h:41:12: error: field ‘fFile’ has incomplete type ‘TString’
    TString fFile;           // remote object
            ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:29,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TUrl.h:42:12: error: field ‘fAnchor’ has incomplete type ‘TString’
    TString fAnchor;         // anchor in object (after #)
            ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:29,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TUrl.h:43:12: error: field ‘fOptions’ has incomplete type ‘TString’
    TString fOptions;        // options/search (after ?)
            ^~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:29,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TUrl.h:44:20: error: field ‘fFileOA’ has incomplete type ‘TString’
    mutable TString fFileOA; //!file with option and anchor
                    ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:29,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TUrl.h:45:20: error: field ‘fHostFQ’ has incomplete type ‘TString’
    mutable TString fHostFQ; //!fully qualified host name
                    ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:55:7: note: forward declaration of ‘class TString’
 class TString;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:30,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/RConcurrentHashColl.hxx:28:28: error: ‘RHashSet’ was not declared in this scope
    mutable std::unique_ptr<RHashSet> fHashSet;
                            ^~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/RConcurrentHashColl.hxx:28:28: note: suggested alternative:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/RConcurrentHashColl.hxx:23:8: note:   ‘ROOT::Internal::RHashSet’
 struct RHashSet;
        ^~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/RConcurrentHashColl.hxx:28:36: error: template argument 1 is invalid
    mutable std::unique_ptr<RHashSet> fHashSet;
                                    ^
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/RConcurrentHashColl.hxx:28:36: error: template argument 2 is invalid
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/RConcurrentHashColl.hxx:59:30: error: ‘RConcurrentHashColl’ does not name a type
 inline bool operator==(const RConcurrentHashColl::HashValue &lhs, const RConcurrentHashColl::HashValue &rhs)
                              ^~~~~~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/RConcurrentHashColl.hxx:59:61: error: expected unqualified-id before ‘&’ token
 inline bool operator==(const RConcurrentHashColl::HashValue &lhs, const RConcurrentHashColl::HashValue &rhs)
                                                             ^
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/RConcurrentHashColl.hxx:59:60: error: expected ‘)’ before ‘&’ token
 inline bool operator==(const RConcurrentHashColl::HashValue &lhs, const RConcurrentHashColl::HashValue &rhs)
                       ~                                    ^~
                                                            )
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/RConcurrentHashColl.hxx:59:62: error: expected initializer before ‘lhs’
 inline bool operator==(const RConcurrentHashColl::HashValue &lhs, const RConcurrentHashColl::HashValue &rhs)
                                                              ^~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:38,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TRWSpinLock.hxx:22:7: error: conflicting declaration ‘struct ROOT::TRWSpinLock’
 class TRWSpinLock {
       ^~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:30,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/RConcurrentHashColl.hxx:19:7: note: previous declaration as ‘class ROOT::TRWSpinLock’
 class TRWSpinLock;
       ^~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:38,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TRWSpinLock.hxx:44:4: error: ‘TRWSpinLock’ does not name a type
    TRWSpinLock &fLock;
    ^~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TRWSpinLock.hxx:47:36: error: expected ‘)’ before ‘&’ token
    TRWSpinLockReadGuard(TRWSpinLock &lock);
                        ~           ^~
                                    )
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TRWSpinLock.hxx:53:4: error: ‘TRWSpinLock’ does not name a type
    TRWSpinLock &fLock;
    ^~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TRWSpinLock.hxx:56:37: error: expected ‘)’ before ‘&’ token
    TRWSpinLockWriteGuard(TRWSpinLock &lock);
                         ~           ^~
                                     )
In file included from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:43:7: error: conflicting declaration ‘struct TMap’
 class TMap;
       ^~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:29,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TUrl.h:31:7: note: previous declaration as ‘class TMap’
 class TMap;
       ^~~~
In file included from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:45:7: error: conflicting declaration ‘struct TArrayC’
 class TArrayC;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:32,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TArrayC.h:27:7: note: previous declaration as ‘class TArrayC’
 class TArrayC : public TArray {
       ^~~~~~~
In file included from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:50:7: error: conflicting declaration ‘struct TProcessID’
 class TProcessID;
       ^~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:33,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBuffer.h:35:7: note: previous declaration as ‘class TProcessID’
 class TProcessID;
       ^~~~~~~~~~
In file included from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:54:7: error: conflicting declaration ‘struct TFile’
 class TFile : public TDirectoryFile {
       ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:26,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TUUID.h:37:7: note: previous declaration as ‘class TFile’
 class TFile;
       ^~~~~
In file included from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:355:7: error: conflicting declaration ‘struct TFileOpenHandle’
 class TFileOpenHandle : public TNamed {
       ^~~~~~~~~~~~~~~
In file included from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:47:7: note: previous declaration as ‘class TFileOpenHandle’
 class TFileOpenHandle;
       ^~~~~~~~~~~~~~~
In file included from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:387:47: error: invalid use of incomplete type ‘class TFile’
 inline Int_t TFile::GetCompressionAlgorithm() const
                                               ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:26,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TUUID.h:37:7: note: forward declaration of ‘class TFile’
 class TFile;
       ^~~~~
In file included from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:393:43: error: invalid use of incomplete type ‘class TFile’
 inline Int_t TFile::GetCompressionLevel() const
                                           ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:26,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TUUID.h:37:7: note: forward declaration of ‘class TFile’
 class TFile;
       ^~~~~
In file included from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:399:46: error: invalid use of incomplete type ‘class TFile’
 inline Int_t TFile::GetCompressionSettings() const
                                              ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:26,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TUUID.h:37:7: note: forward declaration of ‘class TFile’
 class TFile;
       ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:30,
                 from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TIOFeatures.hxx:77:15: error: ‘EIOFeatures’ has not been declared
    void Clear(EIOFeatures bits);
               ^~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TIOFeatures.hxx:78:15: error: ‘Experimental’ has not been declared
    void Clear(Experimental::EIOUnsupportedFeatures bits);
               ^~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TIOFeatures.hxx:78:9: error: ‘void ROOT::TIOFeatures::Clear(int)’ cannot be overloaded with ‘void ROOT::TIOFeatures::Clear(int)’
    void Clear(Experimental::EIOUnsupportedFeatures bits);
         ^~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TIOFeatures.hxx:77:9: note: previous declaration ‘void ROOT::TIOFeatures::Clear(int)’
    void Clear(EIOFeatures bits);
         ^~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TIOFeatures.hxx:79:15: error: ‘Experimental’ has not been declared
    void Clear(Experimental::EIOFeatures bits);
               ^~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TIOFeatures.hxx:79:9: error: ‘void ROOT::TIOFeatures::Clear(int)’ cannot be overloaded with ‘void ROOT::TIOFeatures::Clear(int)’
    void Clear(Experimental::EIOFeatures bits);
         ^~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TIOFeatures.hxx:77:9: note: previous declaration ‘void ROOT::TIOFeatures::Clear(int)’
    void Clear(EIOFeatures bits);
         ^~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TIOFeatures.hxx:80:13: error: ‘EIOFeatures’ has not been declared
    bool Set(EIOFeatures bits);
             ^~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TIOFeatures.hxx:81:13: error: ‘Experimental’ has not been declared
    bool Set(Experimental::EIOFeatures bits);
             ^~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TIOFeatures.hxx:81:9: error: ‘bool ROOT::TIOFeatures::Set(int)’ cannot be overloaded with ‘bool ROOT::TIOFeatures::Set(int)’
    bool Set(Experimental::EIOFeatures bits);
         ^~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TIOFeatures.hxx:80:9: note: previous declaration ‘bool ROOT::TIOFeatures::Set(int)’
    bool Set(EIOFeatures bits);
         ^~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TIOFeatures.hxx:83:14: error: ‘EIOFeatures’ has not been declared
    bool Test(EIOFeatures bits) const;
              ^~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TIOFeatures.hxx:84:14: error: ‘Experimental’ has not been declared
    bool Test(Experimental::EIOFeatures bits) const;
              ^~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TIOFeatures.hxx:84:9: error: ‘bool ROOT::TIOFeatures::Test(int) const’ cannot be overloaded with ‘bool ROOT::TIOFeatures::Test(int) const’
    bool Test(Experimental::EIOFeatures bits) const;
         ^~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TIOFeatures.hxx:83:9: note: previous declaration ‘bool ROOT::TIOFeatures::Test(int) const’
    bool Test(EIOFeatures bits) const;
         ^~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TIOFeatures.hxx:85:14: error: ‘Experimental’ has not been declared
    bool Test(Experimental::EIOUnsupportedFeatures bits) const;
              ^~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TIOFeatures.hxx:85:9: error: ‘bool ROOT::TIOFeatures::Test(int) const’ cannot be overloaded with ‘bool ROOT::TIOFeatures::Test(int) const’
    bool Test(Experimental::EIOUnsupportedFeatures bits) const;
         ^~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TIOFeatures.hxx:83:9: note: previous declaration ‘bool ROOT::TIOFeatures::Test(int) const’
    bool Test(EIOFeatures bits) const;
         ^~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:40,
                 from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVirtualTreePlayer.h:28:7: error: conflicting declaration ‘struct TClass’
 class TClass;
       ^~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:47:7: note: previous declaration as ‘class TClass’
 class TClass;
       ^~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:40,
                 from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVirtualTreePlayer.h:29:7: error: conflicting declaration ‘struct TTree’
 class TTree;
       ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:30,
                 from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TIOFeatures.hxx:18:7: note: previous declaration as ‘class TTree’
 class TTree;
       ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:40,
                 from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVirtualTreePlayer.h:30:7: error: conflicting declaration ‘struct TH1’
 class TH1;
       ^~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:58:7: note: previous declaration as ‘class TH1’
 class TH1 : public TNamed, public TAttLine, public TAttFill, public TAttMarker {
       ^~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBranch.h:29,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:46,
                 from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBranchCacheInfo.h:30:7: error: conflicting declaration ‘struct TBranch’
 class TBranch;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:30,
                 from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TIOFeatures.hxx:17:7: note: previous declaration as ‘class TBranch’
 class TBranch;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:46,
                 from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBranch.h:34:7: error: conflicting declaration ‘struct TTree’
 class TTree;
       ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:30,
                 from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TIOFeatures.hxx:18:7: note: previous declaration as ‘class TTree’
 class TTree;
       ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:46,
                 from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBranch.h:35:7: error: conflicting declaration ‘struct TBasket’
 class TBasket;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:30,
                 from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TIOFeatures.hxx:16:7: note: previous declaration as ‘class TBasket’
 class TBasket;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:46,
                 from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBranch.h:38:7: error: conflicting declaration ‘struct TBrowser’
 class TBrowser;
       ^~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:30:7: note: previous declaration as ‘class TBrowser’
 class TBrowser;
       ^~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:46,
                 from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBranch.h:39:7: error: conflicting declaration ‘struct TDirectory’
 class TDirectory;
       ^~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:49:7: note: previous declaration as ‘class TDirectory’
 class TDirectory;
       ^~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:46,
                 from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBranch.h:40:7: error: conflicting declaration ‘struct TFile’
 class TFile;
       ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:26,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TUUID.h:37:7: note: previous declaration as ‘class TFile’
 class TFile;
       ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:46,
                 from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBranch.h:41:7: error: conflicting declaration ‘struct TClonesArray’
 class TClonesArray;
       ^~~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:228:17: note: previous declaration as ‘class TClonesArray’
    friend class TClonesArray; // needs to reset kNotDeleted in fBits
                 ^~~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:46,
                 from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBranch.h:68:7: error: conflicting declaration ‘struct ROOT::Experimental::Internal::TBulkBranchRead’
 class TBulkBranchRead {
       ^~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBranch.h:48:7: note: previous declaration as ‘class ROOT::Experimental::Internal::TBulkBranchRead’
 class TBulkBranchRead;
       ^~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBranch.h:89:7: error: conflicting declaration ‘struct TBranch’
 class TBranch : public TNamed , public TAttFill {
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:30,
                 from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TIOFeatures.hxx:17:7: note: previous declaration as ‘class TBranch’
 class TBranch;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:46,
                 from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBranch.h:295:49: error: invalid use of incomplete type ‘class TBranch’
 inline Int_t TBranch::GetCompressionAlgorithm() const
                                                 ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:30,
                 from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TIOFeatures.hxx:17:7: note: forward declaration of ‘class TBranch’
 class TBranch;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:46,
                 from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBranch.h:301:45: error: invalid use of incomplete type ‘class TBranch’
 inline Int_t TBranch::GetCompressionLevel() const
                                             ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:30,
                 from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TIOFeatures.hxx:17:7: note: forward declaration of ‘class TBranch’
 class TBranch;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:46,
                 from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBranch.h:307:48: error: invalid use of incomplete type ‘class TBranch’
 inline Int_t TBranch::GetCompressionSettings() const
                                                ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:30,
                 from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TIOFeatures.hxx:17:7: note: forward declaration of ‘class TBranch’
 class TBranch;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:46,
                 from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBranch.h:316:15: error: ‘TBulkBranchRead’ has not been declared
 inline Int_t  TBulkBranchRead::GetBulkEntries(Long64_t evt, TBuffer& user_buf) { return fParent.GetBulkEntries(evt, user_buf); }
               ^~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBranch.h: In function ‘Int_t std::GetBulkEntries(Long64_t, TBuffer&)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBranch.h:316:89: error: ‘fParent’ was not declared in this scope
 inline Int_t  TBulkBranchRead::GetBulkEntries(Long64_t evt, TBuffer& user_buf) { return fParent.GetBulkEntries(evt, user_buf); }
                                                                                         ^~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBranch.h:316:89: note: suggested alternative: ‘fUrgent’
 inline Int_t  TBulkBranchRead::GetBulkEntries(Long64_t evt, TBuffer& user_buf) { return fParent.GetBulkEntries(evt, user_buf); }
                                                                                         ^~~~~~~
                                                                                         fUrgent
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBranch.h: At global scope:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBranch.h:317:15: error: ‘TBulkBranchRead’ has not been declared
 inline Int_t  TBulkBranchRead::GetEntriesSerialized(Long64_t evt, TBuffer& user_buf) { return fParent.GetEntriesSerialized(evt, user_buf); }
               ^~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBranch.h: In function ‘Int_t std::GetEntriesSerialized(Long64_t, TBuffer&)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBranch.h:317:95: error: ‘fParent’ was not declared in this scope
 inline Int_t  TBulkBranchRead::GetEntriesSerialized(Long64_t evt, TBuffer& user_buf) { return fParent.GetEntriesSerialized(evt, user_buf); }
                                                                                               ^~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBranch.h:317:95: note: suggested alternative: ‘fUrgent’
 inline Int_t  TBulkBranchRead::GetEntriesSerialized(Long64_t evt, TBuffer& user_buf) { return fParent.GetEntriesSerialized(evt, user_buf); }
                                                                                               ^~~~~~~
                                                                                               fUrgent
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBranch.h: At global scope:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBranch.h:318:15: error: ‘TBulkBranchRead’ has not been declared
 inline Int_t  TBulkBranchRead::GetEntriesSerialized(Long64_t evt, TBuffer& user_buf, TBuffer* count_buf) { return fParent.GetEntriesSerialized(evt, user_buf, count_buf); }
               ^~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBranch.h: In function ‘Int_t std::GetEntriesSerialized(Long64_t, TBuffer&, TBuffer*)’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBranch.h:318:115: error: ‘fParent’ was not declared in this scope
  Int_t  TBulkBranchRead::GetEntriesSerialized(Long64_t evt, TBuffer& user_buf, TBuffer* count_buf) { return fParent.GetEntriesSerialized(evt, user_buf, count_buf); }
                                                                                                             ^~~~~~~

/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBranch.h:318:115: note: suggested alternative: ‘fUrgent’
  Int_t  TBulkBranchRead::GetEntriesSerialized(Long64_t evt, TBuffer& user_buf, TBuffer* count_buf) { return fParent.GetEntriesSerialized(evt, user_buf, count_buf); }
                                                                                                             ^~~~~~~
                                                                                                             fUrgent
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBranch.h: At global scope:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBranch.h:319:15: error: ‘TBulkBranchRead’ has not been declared
 inline Bool_t TBulkBranchRead::SupportsBulkRead() const { return fParent.SupportsBulkRead(); }
               ^~~~~~~~~~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBranch.h:319:51: error: non-member function ‘Bool_t std::SupportsBulkRead()’ cannot have cv-qualifier
 inline Bool_t TBulkBranchRead::SupportsBulkRead() const { return fParent.SupportsBulkRead(); }
                                                   ^~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBranch.h: In function ‘Bool_t std::SupportsBulkRead()’:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBranch.h:319:66: error: ‘fParent’ was not declared in this scope
 inline Bool_t TBulkBranchRead::SupportsBulkRead() const { return fParent.SupportsBulkRead(); }
                                                                  ^~~~~~~
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBranch.h:319:66: note: suggested alternative: ‘fUrgent’
 inline Bool_t TBulkBranchRead::SupportsBulkRead() const { return fParent.SupportsBulkRead(); }
                                                                  ^~~~~~~
                                                                  fUrgent
In file included from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h: At global scope:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:56:7: error: conflicting declaration ‘struct TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:48:7: note: previous declaration as ‘class TBuffer’
 class TBuffer;
       ^~~~~~~
In file included from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:57:7: error: conflicting declaration ‘struct TBrowser’
 class TBrowser;
       ^~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:30:7: note: previous declaration as ‘class TBrowser’
 class TBrowser;
       ^~~~~~~~
In file included from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:58:7: error: conflicting declaration ‘struct TFile’
 class TFile;
       ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectory.h:26,                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TDirectoryFile.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TFile.h:28,
                 from /home/casaburf/B1/src/StackingAction.cc:41:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TUUID.h:37:7: note: previous declaration as ‘class TFile’
 class TFile;
       ^~~~~
In file included from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:59:7: error: conflicting declaration ‘struct TLeaf’
 class TLeaf;
       ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:46,
                 from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBranch.h:37:7: note: previous declaration as ‘class TLeaf’
 class TLeaf;
       ^~~~~
In file included from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:60:7: error: conflicting declaration ‘struct TH1’
 class TH1;
       ^~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:58:7: note: previous declaration as ‘class TH1’
 class TH1 : public TNamed, public TAttLine, public TAttFill, public TAttMarker {
       ^~~
In file included from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:61:7: error: conflicting declaration ‘struct TTreeFormula’
 class TTreeFormula;
       ^~~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:40,
                 from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVirtualTreePlayer.h:31:7: note: previous declaration as ‘class TTreeFormula’
 class TTreeFormula;
       ^~~~~~~~~~~~
In file included from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:65:7: error: conflicting declaration ‘struct TSQLResult’
 class TSQLResult;
       ^~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:40,
                 from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVirtualTreePlayer.h:32:7: note: previous declaration as ‘class TSQLResult’
 class TSQLResult;
       ^~~~~~~~~~
In file included from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:66:7: error: conflicting declaration ‘struct TSelector’
 class TSelector;
       ^~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:40,
                 from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVirtualTreePlayer.h:33:7: note: previous declaration as ‘class TSelector’
 class TSelector;
       ^~~~~~~~~
In file included from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:67:7: error: conflicting declaration ‘struct TPrincipal’
 class TPrincipal;
       ^~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:40,
                 from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVirtualTreePlayer.h:34:7: note: previous declaration as ‘class TPrincipal’
 class TPrincipal;
       ^~~~~~~~~~
In file included from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:70:7: error: conflicting declaration ‘struct TVirtualIndex’
 class TVirtualIndex;
       ^~~~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:40,
                 from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TVirtualTreePlayer.h:35:7: note: previous declaration as ‘class TVirtualIndex’
 class TVirtualIndex;
       ^~~~~~~~~~~~~
In file included from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:72:7: error: conflicting declaration ‘struct TBasket’
 class TBasket;
       ^~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:30,
                 from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TIOFeatures.hxx:16:7: note: previous declaration as ‘class TBasket’
 class TBasket;
       ^~~~~~~
In file included from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:74:7: error: conflicting declaration ‘struct TTreeCache’
 class TTreeCache;
       ^~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:46,
                 from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBranch.h:43:7: note: previous declaration as ‘class TTreeCache’
 class TTreeCache;
       ^~~~~~~~~~
In file included from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:75:7: error: conflicting declaration ‘struct TTreeCloner’
 class TTreeCloner;
       ^~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:46,
                 from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TBranch.h:42:7: note: previous declaration as ‘class TTreeCloner’
 class TTreeCloner;
       ^~~~~~~~~~~
In file included from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:76:7: error: conflicting declaration ‘struct TFileMergeInfo’
 class TFileMergeInfo;
       ^~~~~~~~~~~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TObject.h:17,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TNamed.h:25,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TAxis.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1.h:24,
                 from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TH1D.h:24,
                 from /home/casaburf/B1/src/StackingAction.cc:40:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/Rtypes.h:54:7: note: previous declaration as ‘class TFileMergeInfo’
 class TFileMergeInfo;
       ^~~~~~~~~~~~~~
In file included from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:79:7: error: conflicting declaration ‘struct TTree’
 class TTree : public TNamed, public TAttLine, public TAttFill, public TAttMarker {
       ^~~~~
In file included from /cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/TTree.h:30,
                 from /home/casaburf/B1/src/StackingAction.cc:42:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.24.00/x86_64-centos7-gcc48-opt/include/ROOT/TIOFeatures.hxx:18:7: note: previous declaration as ‘class TTree’
 class TTree;
       ^~~~~
make[2]: *** [CMakeFiles/exampleB1.dir/src/StackingAction.cc.o] Error 1
make[1]: *** [CMakeFiles/exampleB1.dir/all] Error 2
make: *** [all] Error 2