Yes, but only for tiny tools or toys. Most software have dependencies that should be managed, linked in, figure the header file path of etc. Most software cons

Yes, but only for tiny tools or toys. Most software have dependencies that should be managed, linked in, figure the header file path of etc. Most software consists of several files which you don't want to re-build every time you change just 1 file (unless you change compiler flags etc.). It's a very tiny step from your example until the C or C++ toolchain becomes far from easy.