0x1B-makefiles

0x1B. C - Makefiles

About

An introductory project on:

• Makefiles and how to use them
• Explicit and implicit rules
• Setting variables

Requirements

• Ubuntu 14.04
• gcc 4.8.4
• GNU Make 3.81
• Source files for all Makefiles: main.c, holberton.c, m.h

File Description

Mandatory

0-Makefile

• Requirements:
  • name of the executable: holberton
  • rules: all
    • all: builds your executable
  • variables: none

1-Makefile

• Requirements:
  • name of the executable: holberton
  • rules: all
    • all: builds your executable
  • variables: CC, SRC
    • CC: the compiler to be used
    • SRC: the .c files

2-Makefile

• Requirements:
  • name of the executable: holberton
  • rules: all
    • all: builds your executable
  • variables: CC, SRC, OBJ, NAME
    • CC: the compiler to be used
    • SRC: the .c files
    • OBJ: the .o files
    • NAME: the name of the executable
  • The all rule should recompile only the updated source files
  • You are not allowed to have a list of all the .o files

3-Makefile

• Requirements:
  • name of the executable: holberton
  • rules: all, clean, oclean, fclean, re
    • all: builds your executable
    • clean: deletes all Emacs and Vim temporary files along with the executable
    • oclean: deletes the object files
    • fclean: deletes all Emacs and Vim temporary files, the executable, and the object files
    • re: forces recompilation of all source files
  • variables: CC, SRC, OBJ, NAME, RM
    • CC: the compiler to be used
    • SRC: the .c files
    • OBJ: the .o files
    • NAME: the name of the executable
    • RM: the command to delete files
  • The all rule should recompile only the updated source files
  • You are not allowed to have a list of all the .o files
  • The clean, oclean, fclean, and re rules should never fail

4-Makefile

• Requirements:
  • name of the executable: holberton
  • rules: all, clean, oclean, fclean, re
    • all: builds your executable
    • clean: deletes all Emacs and Vim temporary files along with the executable
    • oclean: deletes the object files
    • fclean: deletes all Emacs and Vim temporary files, the executable, and the object files
    • re: forces recompilation of all source files
  • variables: CC, SRC, OBJ, NAME, RM, CFLAGS
    • CC: the compiler to be used
    • SRC: the .c files
    • OBJ: the .o files
    • NAME: the name of the executable
    • RM: the command to delete files
    • CFLAGS: compiler flags -Wall -Werror -Wextra -pedantic
  • The all rule should recompile only the updated source files
  • You are not allowed to have a list of all the .o files
  • The clean, oclean, fclean, and re rules should never fail

Advanced

100-Makefile

• Requirements:
  • name of the executable: holberton
  • rules: all, clean, oclean, fclean, re
    • all: builds your executable
    • clean: deletes all Emacs and Vim temporary files along with the executable
    • oclean: deletes the object files
    • fclean: deletes all Emacs and Vim temporary files, the executable, and the object files
    • re: forces recompilation of all source files
  • variables: CC, SRC, OBJ, NAME, RM, CFLAGS
    • CC: the compiler to be used
    • SRC: the .c files
    • OBJ: the .o files
    • NAME: the name of the executable
    • RM: the command to delete files
    • CFLAGS: compiler flags -Wall -Werror -Wextra -pedantic
  • The all rule should recompile only the updated source files
  • You are not allowed to have a list of all the .o files
  • The clean, oclean, fclean, and re rules should never fail
  • You have to use $(RM) for the cleaning up rules, but you are not allowed to set the RM variable
  • You are only allowed to use the string $(CC) once in your Makefile
  • You are only allowed to use the string $(RM) twice in your Makefile
  • You are not allowed to use the string $(CFLAGS) (but the compiler should still use the flags you set in this variable)
  • You are not allowed to have an $(OBJ) rule
  • You are not allowed to use the %.o: %.c rule
  • Your Makefile should work even if there is a file in the folder that has the same name as one of your rules
  • Your Makefile should not compile if the header file m.h is missing