load**load** *Makefile*
Read in and evaluate *Makefile*.
Note that dependencies are updated after reading the file in.
Here are several possible uses of this command.
In debug sessions you can fix the source code and the run ‘load‘ to have the code reread in, to test out the fix.
Another use is to have pecific "debug"-oriented Makefiles that aren’t normally used, but when you want to trace things are avialable. This is an aspect of aspect-oriented programming. See https://en.wikipedia.org/wiki/Aspect-oriented_programming.