It would "go into" library1. It would find no subdirectories. It would launch 3
processes and create lib1.o, lib2.o, lib3.o. When all processes have
completed, it would create library1.a from those three .o files. It would move
the ".a" file into MyProgram. It would then "go into" library2. It would find
SomeOtherLibrary and "go into" that directory. Inside SomeOtherLibrary,
it would launch a process to compile somecode. c. It would then create
SomeOtherLibrary. a and move that up to MyProgram. Then it would complete
the:.