/tmp/cca018401.o: In function `IO::ImplFileLine(void)':
/home/gsalo/root/io.C:20: undefined reference to
`IO::ShowMembers(TMemberInspector &, char *)'
/tmp/cca018401.o: In function `IO::IO(void)':
/home/gsalo/root/io.C:22: undefined reference to
`IO::Streamer(TBuffer &)'
collect2: ld returned 1 exit status
The test code along with the compiler commands are given below. I am running
version 2.20 under Redhat 5.2. Any idea what I'm doing wrong?
Thanks for your help.
Glen
#include "TFile.h"
#include "TObject.h"
#include <iostream>
class myclass : public TObject {
private:
Int_t a;
public:
myclass();
~myclass();
void seta(Int_t aa);
Int_t geta();
ClassDef(myclass,1)
};
ClassImp(myclass)
myclass::myclass() { }
myclass::~myclass() { }
void myclass::seta(Int_t aa) { a = aa; }
Int_t myclass::geta() { return a; }
int main () {
myclass var;
var.seta(30);
cout << var.geta() << endl;
TFile file = TFile("test.dat","RECREATE");
var.AppendDirectory();
return 0;
}
g++ -o io -g -Wall -fno-rtti -fno-exceptions -fPIC io.C
-I/usr/local/root/include -L/usr/local/root/lib -L/usr/X11R6/lib -lNew -lBase
-lCint -lClib -lCont -lFunc -lGraf -lGraf3d -lHist -lHtml -lMatrix -lMeta
-lMinuit -lNet -lPostscript -lProof -lTree -lUnix -lZip -lGpad -lGui -lGX11
-lX3d -lXpm -lX11 -lm -ldl -rdynamic
/tmp/cca018471.o: In function `myclass::ImplFileLine(void)':
/home/gsalo/root/io.C:20: undefined reference to
`myclass::ShowMembers(TMemberInspector &, char *)'
/tmp/cca018471.o: In function `myclass::myclass(void)':
/home/gsalo/root/io.C:22: undefined reference to `myclass::Streamer(TBuffer &)'
collect2: ld returned 1 exit status