warning: incompatible implicit declaration of built-in function âstrlenâ
warning: undefined reference to `sqrt'
warning: implicit declaration of function âstrcmpâ
warning: implicit declaration of function âstrcatâ
warning: incompatible implicit declaration of built-in function âstrcatâ
I have all the necessary includes, do i need to do some extra command to get this to compile properly?
How do i fix that when my SSH Secure Shell compiles the file, i get a bunch of those..
I'll believe it when I see it.Originally Posted by Oonej
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Well you would need to post your code to back up your assertion that you're including all the right files.
If you dance barefoot on the broken glass of undefined behaviour, you've got to expect the occasional cut.
If at first you don't succeed, try writing your phone number on the exam paper.
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <math.h>
can't post code, as this is a class project and students in my class view them... not looking to get a F for "cheating" lol
btw - this compiles fine and works 100% in my DevC++ IDE, but doesn't compile on the SSH server, do i need to amend the header files in the compile on the SSH or something?
You're missing <string.h> for strlen, strcmp and strcat.
Also, to solve "undefined reference to `sqrt'" you may need to explicitly link to the math library, e.g., with -lm
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too many arguments for format /tmp/cc3hMW6h.o: In function [function name]
what does that refer to?
and also how do i amend the math.h file with -lm? never used it before
My guess is that you used too many arguments for format
Perhaps this has something to do with printf. Or maybe with a function call. I'm not sure because you provided so little information that only someone who has come across that error message before and remembers the context and solution is likely to be able to accurately tell you the problem and solution.
What compiler are you using? Are you compiling on the command line, or from an IDE?
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SSH Secure Shell - command line
SSH Secure Shell is not a compiler
Let's suppose you are using gcc. Currently, you might be running:
If my guess is correct, it may become:Code:gcc -o program source.c
Code:gcc -o program -lm source.c
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Never modify header files like math.h present on the system.
Besides -lm is a linker directive specified on the command line.
