Dear ROOTers, My apology if this post is too trivial. What is wrong with the ff. lines/codes? I have a class which is produced by tree->MakeClass("THit"). I want to inherit from THit class, and I will name it as THitCR class But when I compile it I have the errors. How do we correct them? Thanks a lot...... .................................... ................................... -o THitCR libTHitCR.so: undefined reference to THit::THit(TTree *)' libTHitCR.so: undefined reference to THit::~THit(void)' //---------------------------------------- #ifndef THitCR_h #define THitCR_h #include <iostream> using namespace std; #include "THit.hh" // prototype/defn of Base Class class THitCR : public THit { public : THitCR(); ~THitCR(); void greet(); }; #endif //-------------------------------- #define THitCR_cxx #include "THitCR.hh" THitCR::THitCR() : THit() {;} THitCR::~THitCR() {;} void THitCR::greet() { cout << " Hello ROOTers ..." << endl; } -------------------------------------------------------- Zaldy A. Nawang PS Users Room 2 Yon Gokan, E362, Neutrino Group, IPNS, KEK, Japan e-mail: zaldy@neutrino.kek.jp Tel. No. : (81) 029864 - 5387 --------------------------------------------------------
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