On Sunday 25 February 2007 16:11, Tim Prince wrote: > Walter Kasberg wrote: > > In 'atm.c' i have defined > > #include<math.h> > > > > My makefile is: > > ------------------------- > > OBJ = tatm.o atm.o > > > > ..f.o: > > gcc -c $< > > > > > > tatm : $(OBJ) > > gcc $(OBJ) -o tatm > > --------------------------------- > > if I try 'make' compiling works but from linker I get the message: > > > > 'atm.c:(.text+0xf5): undefined reference to `pow' > > collect2: ld returned 1 exit status > > make: *** [tatm] Fehler 1' > > > > What could be wrong or missing? > > -lm thanks, that's it. Walter
