Steps of program compilation precompile compilation assembly connection

There are four parts in the process of compiling the program

precompile ： Get rid of code Notes # and Expansion of macro definition

compile ： hold c Turn it into assembly language

assembly ： Program the assembly into binary

Connect ： Redo the whole program Define address , Multiple .o Connect into a program .

 

thus it can be seen When generating a library file You don't need to know the specific definition of the function Only when the program is connected again Address