can’t really tell much without knowing this package, but ./ is not what you’re looking for. try just “make” or “make clean”, as this is standard syntax for Makefiles. if you are wondering what happens, make looks for a file called “Makefile” in the current directory and executes whatever is inside. in your case it will most likely compile the .c file into an executable
Where’s the Obvious Plant logo? WHERE’S THE OBVIOUS PLANT LOGO?