[ROOT] Re: Link problems 2.23.04 on OSF with CXX 6.2

From: Rene Brun (Rene.Brun@cern.ch)
Date: Thu Apr 06 2000 - 19:44:24 MEST


Hi Paul,
It is now clear that there is a serious interference between C++ and f90
on alpha. I think that Compaq should be contacted to get help.
It is difficult to help from our side.

Rene Brun

Paul Nord wrote:
> 
> Rene,
> 
> To follow up on this old discussion.  I'm now trying it with 2.23/12 and having
> the same problem.  I can get rid of the first of the error:
>         Unresolved:
>                 __vtbl_3std9type_info__3std
> by adding -nortti to ROOTCFLAGS.
> 
> If I add the option -oldcxx, then everything links, but then TPad->Divide()
> doesn't work.
> 
> So, my belief is that the CXX 6.2 compiler is adding references to the
> functions:
>  __vec_new_eh
>  __vec_delete
> when it compiles which cannot be resolved when trying to link with the f90
> linker.
> 
> So, how do I make it stop doing that?  Or, where are these functions in the
> system libraries so that I can include them?
> 
> Paul
> 
> >Hi Paul,
> >The CXX and CXX6.2 versions have been compiled with the same options
> >on two different machines. I did not check if the internal compiler
> >default
> >options were different however.
> >
> >I had several requests to provide a separate distribution for CXX6.2
> >(apparently there are differences in the way exception handling is
> >supported
> >in the two versions).
> >
> >I am a bit disapointed by the evolution of the cxx compiler on alpha.
> >I see more and more people moving to egcs on thsi platform.
> >
> >Rene
> 
> Paul Nord wrote:
> >
> > Hi Rene,
> >
> > Yes, isn't it interesting!  Our collaboration has made the big step toward
> > modern programming techniques with F90.
> >
> > I find no rrti option for F90, unfortunatly (nor rtti, for that matter).
> > However, I do note that I can compile just fine with the CXX6 release of ROOT
> > rather than the CXX6.2 release.  What, may I ask, is the difference?  And, will
> > you continue to support both compiler versions?  And if the CXX6 version will
> > compile with CXX6.2, why are there two version of ROOT?
> >
> > Of course, the simple solution will probably be to link with CXX.... but that
> > may be more of a political matter.
> >
> > Thanks for the prompt and accurate reply,
> > Paul
> >
> > Rene Brun wrote:
> > >Hi Paul,
> > >Interesting! You are the first user that I know calling Root from
> > >a F90 program.
> > >
> > >I assume that you are running on alpha/osf and use the cxx compiler.
> > >Root version 2.23 is compiled with the option -nostdnew
> > >The rrti option is activated by default on this compiler.
> > >
> > >I have no idea of the equivalent options with f90.
> > >
> > >Rene Brun
> >
> > Paul Nord wrote:
> > >
> > > Good Day,
> > >
> > > Got this link error.  Any ideas?
> > >
> > > f90 -o mofia20 -O -Olimit 1500 -extend_source
> > > -L/usr/users/pnord/e614soft/triumf/cfm/2.2/main
> > > -L/usr/users/pnord/e614soft/triumf/bru/1.1
> > > -L/usr/users/pnord/e614soft/triumf/ybos/4.1/library
> > > -L/usr/users/pnord/e614soft/triumf/mofia/2.0/lib
> > > -L/usr/users/pnord/e614soft/gplot -L/gluona/cernlib/98/lib
> > > -L/usr/users/e614/root/lib
> > > /usr/users/pnord/e614soft/triumf/mofia/2.0/source/main/mofia.o precision_mod.o
> > > det_geom_mod.o calibrations_mod.o chambers_mod.o tdcmap_mod.o tdc_mod.o
> > > filters_mod.o hists_mod.o user_hists_mod.o  dplot.o func.o hist.o -lmain
> > > -lphoto -L/usr/users/e614/root/lib -lNew -lCore -lCint -lHist -lGraf -lGraf3d
> > > -lGpad -lTree -lRint -lPostscript -lMatrix -lPhysics -lm
> > > -L/usr/users/e614/root/lib -lNew -lCore -lCint -lHist -lGraf -lGraf3d -lGpad
> > > -lTree -lRint -lPostscript -lMatrix -lPhysics -lGui -lm -lcxx -lX3d -lttf -lcfm
> > > -lybos -lbru -lgplot -lpacklib -lmathlib -lkernlib -ldummy
> > > ld:
> > > Unresolved:
> > > __vtbl_3std9type_info__3std
> > > __vec_new_eh
> > > __vec_delete
> > > f90: Severe: Failed while trying to link.
> > > gmake: *** [mofia] Error 1
> > >
> > > Paul Nord



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