Here we have patched GNU Make 4.3 sources to add improved error reporting, tracing, target listing, graph visualization, profiling, and more. It also
contains a debugger. Branches
remake-3-81 for patched GNU Make 4.2, 4.1, 3.82, and 3.81 respectively.
The wiki also has information, including links to videos, and information for developers.
--trace (short option
--show-parent (short option
--profile output (displayed via KCachegrind):