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Altera_Forum
Honored Contributor I
740 Views

reuse header and c file as library

I am using Nios II SBT Eclipse. I have couple of .c and .h files that i would like to use in a project. But when I trying to call the function in main program, it keep give me error of "undefined reference to: "function name"". I had include the header using# include. All the .c and .h file are placed in a folder in the same directory. Can someone help me with how to set up this folder as include library?

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Altera_Forum
Honored Contributor I
48 Views

Hi,  

 

Can someone help? I still cant solve the problem. Let say I had a header and a source file, 

 

======= myfunc.h ============ 

#ifndef _MYFUNC_H___ 

# define _MYFUNC_H___ 

 

# include <stdio.h> 

 

void funcCall(); 

 

# endif 

 

====== myfunc.c ============= 

#include <stdio.h> 

# include "myfunc.h" 

 

void funcCall(){ 

printf("Called funcCall"); 

 

 

They both are in a folder called "lib" 

 

Let say I created a new SBT project and add the source below: 

 

# include <stdio.h> 

# include "myfunc.h" 

 

int main(){ 

printf("Hello,Its working!"); 

funcCall(); 

return 0; 

 

The build result always says that undefined reference to funcCall()... What I have to do to successfully build this simple system?
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