some stuff modified

Makefile

@@ -81,53 +81,47 @@ OBJ = $(addprefix $(ODIR)/, $(SRCS:.c=.o))
 #  rules to execute
 # - - - - - - - - - -
 
-# when you write "make" in command line it will execute the
-# first rule wrote in the Makefile, wich is ALL by convention
-# because usually when you type "make" you expect it to build all
+# when you write "make" in command line it will execute
+# the first rule wrote in the Makefile, wich is ALL by
+# convention because usually when you type "make" you
+# expect it to build all
 # it first verify if ODIR is created and if not create it
 # then it calls NAME to create the library
 all: $(ODIR) $(NAME)
 
-# ODIR create the folder where all the .o files will be stored
+# ODIR create the folder where the files.o will be stored
 $(ODIR):
 	mkdir -p $(ODIR)
 
-# NAME will create the library libft.a
-# first it checks if any OBJ (files.o) have more recent
-# date of modification than NAME (libft.a), and for each
-# it will execute 
-
-# first it checks if the date of modification of any .o (OBJ)
-# is more recent thant the one of libft.a (NAME)
-# and for each of them it will execute
-# if only one .c has been modified then only one .o will have been too
-# so NAME will execute only for this one
-# ranlib doesn't need to be seen so it's precedeed by a "@"
+# NAME will create the library libft.a :
+# - first it checks if any OBJ (files.o) have more recent
+# 	date of modification than NAME (libft.a), and for each
+# 	it will execute "ar rc $@ £<"
+# - "ar rc name.a obj1.o obj2.o ..." create the library
+# 	name.a if it doesn't already exist and add the given
+# 	obj.o inside of it
+# - ranlib doesn't need to be seen so it's precedeed by @
+# - automatic variables :
+# 	$@ means what's before ":"
+# 	$< means what is after ":" (only first argument)
 $(NAME): $(OBJ)
 	ar -rc $@ $<
 	@ranlib $@
+
 $(ODIR)/%.o: %.c
 	$(COMPILE.c) -o $@ $<
+
 clean:
 	/bin/rm -rf $(ODIR)
+
 fclean: clean
 	/bin/rm -f $(NAME)
+
 re: fclean all
+
 .PHONY: clean
 
 
-all: $(NAME)
-$(NAME): $(OBJ)
-	ar rc $(NAME) $(OBJ)
-	@ranlib $(NAME)
-clean:
-	/bin/rm -f $(OBJ)
-fclean: clean
-	/bin/rm -f $(NAME)
-re: fclean all
-.PHONY: clean fclean all re
-
-