xenial (1) rootcint.1.gz

NAME

       rootcint - ROOT Dictionary generator

SYNOPSIS

       rootcint header_file[+][-][!] ... [LinkDef.h] > dict_file
       rootcint [-f] dict_file [-c] header_file[+][-][!] ... [LinkDef.h]

DESCRIPTION

       The  rootcint  program generates the Streamer(), TBuffer &operator>>() and ShowMembers() methods for ROOT
       classes, i.e. classes using the ClassDef and ClassImp macros.  In addition rootcint can also generate the
       CINT dictionaries needed in order to get access to ones classes via the interpreter.

       rootcint can be used like:

              rootcint TAttAxis.h[-][!] ... [LinkDef.h] > AxisGen.C
       or
              rootcint [-f] [AxDict.C] [-c] TAttAxis.h[-][!] ... [LinkDef.h]

       The  difference  between  the two is that in the first case only the Streamer() and ShowMembers() methods
       are generated while in the latter case a  complete compileable file is generated (including  the  include
       statements). The first method also allows the output to be appended to an already existing file (using >>
       ). The optional minus behind the include file name tells rootcint to not generate the Streamer()  method.
       A  custom  method  must  be  provided by the user in that case. When using option -c also the interpreter
       method interface stubs will be written to the output file ( AxDict.C in the above case).  By default  the
       output file will not be overwritten if it exists. Use the -f (force) option to overwite the output file.

       Before  specifying  the  first  header  file one can also add include file directories to be searched and
       preprocessor defines, like:

              -I$../include -DDebug

       The (optional) file LinkDef.h looks like:

              #ifdef __CINT__

              #pragma link off all globals;
              #pragma link off all classes;
              #pragma link off all functions;

              #pragma link C++ class TAxis;
              #pragma link C++ class TAttAxis-;
              #pragma link C++ class TArrayC-!;

              #pragma link C++ function StrDup;
              #pragma link C++ function operator+(const TString&,const TString&);

              #pragma link C++ global gROOT;
              #pragma link C++ global gEnv;

              #pragma link C++ enum EMessageTypes;

              #endif

       This file tells rootcint for which classes the method interface stubs should be generated. A trailing `-'
       in  the  class  name  tells  rootcint  to not generate the Streamer() method. This is necessary for those
       classes that need a customized Streamer() method. A trailing `!' in the class name tells rootcint to  not
       generate the operator>>(TBuffer &b, MyClass *&obj) method. This is necessary to be able to write pointers
       to objects of classes not inheriting from TObject.  When this file is not  specified  a  default  version
       exporting the classes with the names equal to the include files minus the .h is generated.

       IMPORTANT:

       1      LinkDef.h must be the last argument on the rootcint command line.

       2      Note  that  the  LinkDef  file  name  MUST  contain  the  string:  LinkDef.h  or  linkdef.h,  i.e.
              NA49_LinkDef.h is fine just like, mylinkdef.h.

SEE ALSO

       root(1), cint(1)

       rootcint is  documented fully on ROOT web-site ⟨http://root.cern.ch/root/RootCintMan.html⟩

ORIGINAL AUTHORS

       The ROOT team (see web page above):
              Rene Brun and Fons Rademakers

COPYRIGHT

       This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser
       General  Public  License as published by the Free Software Foundation; either version 2.1 of the License,
       or (at your option) any later version.

       This library is distributed in the hope that it will be useful, but WITHOUT ANY  WARRANTY;  without  even
       the  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General
       Public License for more details.

       You should have received a copy of the GNU Lesser General Public License along with this library; if not,
       write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

AUTHOR

       This  manual  page  was  written  by  Christian Holm Christensen <cholm@nbi.dk>, for the Debian GNU/Linux
       system (but may be used by others).