_putchar.c | At Holberton , students are not allowed to use the standard
kandi X-RAY | _putchar.c Summary
kandi X-RAY | _putchar.c Summary
At Holberton, students are not allowed to use the standard library. Students are only allowed to use syscalls and _putchar.c to create their functions and programs.
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QUESTION
My makefile always rebuild, don't understand why..
Here it is :
...ANSWER
Answered 2019-Oct-31 at 10:17you are moving libmy.a
to the directory lib
. the next time you run make it will look for libmy.a
and since it doesn't exists it will be build.
make will always look for the targets (libmy.a
in your case) in the current directory. so if you are moving the file to another place make will think the file has not been created.
rule of thumb is: the recipe for a target should always create the file named by the target.
possible solutions:
- not move the file
- qualify the target name with the directory (
NAME = lib/libmy.a
) (perhaps easiest in your case) - create a dummy file in place of the moved file for make to see the file exists. but this is complicated and prone to missunderstandings if not done well.
QUESTION
I'm learning how to compile using Makefile. I think I've understood the aim of that "tool" but I am facing a problem. I am working on a project and need to compile several programs with the same Makefile. My programs are based on the same exercice, but they have to display different things, this is the reason why I need five different "output programs". But they use the same functions, the same main.c file, etc. I would like to find the best way of compiling, without compiling five times the files that are common to my programs. I hope my sentence was understandable... Here is my Makefile:
...ANSWER
Answered 2018-Jul-21 at 18:24I think, you can simply do:
QUESTION
I've noticed a lot of questions about people having the message "make: Nothing to be done for 'all'.", however my problem is the opposite. Here is my makefile:
...ANSWER
Answered 2017-Nov-19 at 02:41Your problem can be reduced to this:
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