Hi Stefano, TVector3 is in libPhysics.so ,not loaded by default. You should do: gSystem->Load("libPhysics"); gSystem->Load("libFDSim.so"); Rene Brun Stefano Argiro' wrote: > > Hi Rooters, > > I have a Debian linux and compiled Root with "configure linuxdeb2". > > For my stuff, I am using essentialy the Makefile.linux_egcs of ATLfast, > so things should be ok with compiler options. > > My program runs OK in standalone with dynamic link. > When trying , in Root, gSystem->Load("libFDSim.so") > > I get the error : > **************************************************************** > dlopen error: /home/argiro/FDSim++/./libFDSim.so: undefined symbol: > __vt_8TVector2 > > Load Error: Dynamic link library /home/argiro/FDSim++/./libFDSim.so can > not load (int)(-1) > **************************************************************** > > I also tried using the options -g -O2 -Wall -fPIC -DR__GLIBC that I see > while Root is compiling. > Any hint ? > > Thanks > Stefano > > PS: btw, TVector3 is also used, but gives no error
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