Implicit Rules in Makefile

Question

hi i want to do a Makefile in linux that will take all the .cpp files in the dir compile them and create one .o file that i can active how i can do it with Implicit Rules

thanks mati

Answer 1

Implicit rules will help you create the object files, but combining them together will have to be done explicitly (as it is something that is rarely done).

OBJ = a.o b.o

big.o : ${OBJ}
    ${LD} -r -o $@ $^