Build tools not useful? So what you just re-write your entire gcc compilation command every time? Do you build the.o files separately or rebuild them every time

Build tools not useful? So what you just re-write your entire gcc compilation command every time? Do you build the.o files separately or rebuild them every time even when they don't need it? This is where Make really shines. It's would be far top expensive to build projects in C if you had to recompile every file every time.