Re: [ROOT] rootcint problems to compile libraries

From: Tommaso Chiarusi (Tommaso.Chiarusi@bo.infn.it)
Date: Fri Feb 01 2002 - 15:17:19 MET


Hi Rene, could you specify better what you mean 
when you say "rerun rootcint" on my classes?
The call to rootcint is inside the Makefile.
So I think I'm already using it!
Sorry if I make dummy questions!
Tom




On Fri, 1 Feb 2002, Rene Brun wrote:

> Hi Tommaso,
> 
> You should rerun rootcint on your classes and recompile.
> 
> Rene Brun
> 







> Tommaso Chiarusi wrote:
> > 
> > Dear Rooters,
> > I'm sorry if this mail should have been sent to the cint
> > newsgroup.
> > I think that it covers some of the  basic ROOT enviroment, that's whi I
> > write to you!
> > 
> > MY PROBLEM:
> > 
> > I've installed first ROOT v 3.01/06 and then ROOT v 3.02/07.
> > 
> > With both I got problems with  my 2 link
> > library libLastra.so and libTrack.so.
> > which I had previously compiled using ROOT v 3.00/06.
> > 
> > ROOT v 3.01/06 issued the following:
> > ------
> >   *******************************************
> >   *                                         *
> >   *        W E L C O M E  to  R O O T       *
> >   *                                         *
> >   *   Version   3.01/06      23 July 2001   *
> >   *                                         *
> >   *  You are welcome to visit our Web site  *
> >   *          http://root.cern.ch            *
> >   *                                         *
> >   *******************************************
> > 
> > Compiled with thread support.
> > 
> > CINT/ROOT C/C++ Interpreter version 5.15.07, July 7 2001
> > Type ? for help. Commands must be C++ statements.
> > Enclose multiple statements between { }.
> > 
> > !!!!!!!!!!!!!!   W A R N I N G    !!!!!!!!!!!!!
> > 
> > The internal data structures have been changed.
> > Please recompile the setup file which contains
> > the definition "G__cpp_setupLastraDict()"
> > using CINT version 5.15.07, July 7 2001.
> > library=30051472 cintbody accepts=30051501,30051599
> > and creates 30051503
> > 
> > !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
> > --------
> > 
> > With ROOT v 3.02/07
> > 
> > ----
> >   *******************************************
> >   *                                         *
> >   *        W E L C O M E  to  R O O T       *
> >   *                                         *
> >   *   Version   3.02/07   10 January 2002   *
> >   *                                         *
> >   *  You are welcome to visit our Web site  *
> >   *          http://root.cern.ch            *
> >   *                                         *
> >   *******************************************
> > 
> > Compiled for linux with thread support.
> > 
> > CINT/ROOT C/C++ Interpreter version 5.15.25, Jan 6 2002
> > Type ? for help. Commands must be C++ statements.
> > Enclose multiple statements between { }.
> > dlopen error:
> > /lxmacro_home2/chiarusi/zonalavoro_root/./mylib/libLastra.so: undefined
> > symbol: Execute__7TObjectPCcT1
> > Load Error: Failed to load Dynamic link library
> > /lxmacro_home2/chiarusi/zonalavoro_root/./mylib/libLastra.so
> > *** Interpreter error recovered ***
> > ------
> > 
> > IT WAS CLEAR I HAD TO RECOMPILE MY TWO LIBRARIES!!!!!!
> > 
> > So I cd first to my Lastra directory, containing the following files
> > 
> > ------------
> > libCint.so._3.00*  libCint.so._3.01*  libCint.so._3.02*
> > libCint.so@
> > Lastra.cxx  Lastra.h  LastraLinkDef.h
> > Makefile_lastra
> > ------------
> > 
> > where
> > 
> > ---
> > libCint.so._3.00*  libCint.so._3.01*  libCint.so._3.02*
> > ---
> > 
> > are the 3 CINT libraries for the tree version of ROOT and
> > 
> > ---
> > libCint.so
> > ---
> > 
> > a link to one of them (THIS ONE MUST EXIST IN THE DIR WHERE I COMPILE!).
> > Naturally in the makefile there is the call to the proper version
> > of rootcint.
> > 
> > OK. If I compiled in the 3.00/06 old fashined enviroment, I succeded:
> > 
> > ----
> > g++ -O -Wall -fPIC -D_REENTRANT
> > -I/usr/usersm/chiarusi/zonalavoro/root/include -c Lastra.cxx
> > Generating dictionary EventDict...
> > g++ -O -Wall -fPIC -D_REENTRANT
> > -I/usr/usersm/chiarusi/zonalavoro/root/include -c LastraDict.cxx
> > g++ -shared -O Lastra.o LastraDict.o -o  libLastra.so
> > libLastra.so done
> > ----
> > 
> > BUT If I compile according to the 3.01/06 and 3.02/07
> > I got  error response:
> > 
> > for example, within the V 3.01/06 enviroment:
> > --
> > g++ -O -Wall -fPIC -D_REENTRANT
> > -I/usr/usersm/chiarusi/zonalavoro/root/include -c Lastra.cxx
> > Generating dictionary EventDict...
> > /opt/root/bin/rootcint: relocation error:
> > /opt/root/bin/rootcint: undefined symbol:
> > EnclosingSpace__12G__ClassInfo
> > make: *** [LastraDict.cxx] Error 127
> > 
> > --
> > 
> > while within the V 3.02/07 I got
> > ---
> > g++ -O -Wall -fPIC -D_REENTRANT
> > -I/usr/usersm/chiarusi/zonalavoro/root/include -c Lastra.cxx
> > Generating dictionary EventDict...
> > /lxmacro_home2/chiarusi/zonalavoro/root/bin/rootcint: relocation error:
> > /lxmacro_home2/chiarusi/zonalavoro/root/bin/rootcint: undefined symbol:
> > EnclosingSpace__12G__ClassInfo
> > make: *** [LastraDict.cxx] Error 127
> >  ---
> > 
> > So they are similar error:
> > 
> > So my questions are:
> > 
> > 1. What really does it means to "recompile the setup file", as expressed
> > in the former error message related to V 3.01/06?
> > 
> > 2. What do I have to do?
> > 
> > I'm sorry if I perhaps raise again a problem that has been already solved
> > in this newsgroup, but I surely missed it, even if I read all the mail of
> > roottalk!
> > 
> > Thanks in advances,
> > Tommaso
> 



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