Hello! Apologies for not specifying more, I am therefore resending my problem: I would like to ask whether there is a problem using TFitter and TMinuit in a Makefile-based compiled code? Both g++ and KCC are complaining not to know the TFitter constructor, e.g. // this is fine: TFitter* fitter = 0; // but this complains: Int_t Npar=5; TFitter* fitter = new TFitter(Npar); g++: undefined reference to `TFitter::TFitter[in-charge](int)' KCC: undefined reference to `TFitter::__ct(int)' (similar feature occurs when trying to allocate TMinuit, but I suppose I can use gMinuit when TFitter is initialized) I checked I have libMinuit.so in my path in -L option. I have tried both ROOT 3.05 and 4.00. I am attaching a compressed tar which contains all sources and Makefile. My system is Fedora II, I use root-config --cflags and root-config --libs. main() is in Response_draw.cpp, problem occurs in fitResponse.cpp. Thank you very much for any help, jiri kvita ---------------------------------------------------------------------- Jiri Kvita, jiri.kvita@cern.ch, kvita@fnal.gov, qitek@matfyz.cz http://qitek.matfyz.cz Charles University, Prague, Faculty of Mathematics and Physics Institute of Particle and Nuclear Physics FyzWeb - pages on physics! (in Czech) http://fyzweb.cuni.cz -----------------------------------------------------------------------
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