Remake is a patched GNU Make 3.82. It adds improved error reporting, tracing, and a debugger.
Although there’s a full debugger here, most of the time I can get by using no options since normal output is a little more verbose and detailed. When that isn’t enough, I use the --trace or -x option, e.g
remake -x <other make options>
But if you want the full debugger, use --debugger or -X:
remake -X <other make options>
Also, if there is project and you want a list of “interesting” targets, try: