[ROOT] TFile & Geant4

From: Mark Polsen (mpolsen@citrus.ucr.edu)
Date: Mon Aug 14 2000 - 10:27:26 MEST


Hi All,

I'm trying to add some basic Histogramming to mt Geant4 application. I
get an error when compiling from the line below when I try to create the
file.

hfile = new TFile("hsimple.root","RECREATE","Demo ROOT file with
histograms");

Here is the message from the compiler:

/usr/local/geant4/tmp/Linux-g++/geanttest/libgeanttest.a(UldbHistograms.o):
In function `UldbHistograms::RecordBeginOfRun(G4Run const *)':
UldbHistograms.o(.text+0xea): undefined reference to `TFile::TFile(char
const *, char const *, char const *, int)'
collect2: ld returned 1 exit status

I'm using ROOT v2.24 on Linux Mandrake 7.0 with Geant4 2.0.

All suggestions are helpful.

Mark



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